JP3957502B2 - Photosensitive resin composition - Google Patents
Photosensitive resin composition Download PDFInfo
- Publication number
- JP3957502B2 JP3957502B2 JP2001383306A JP2001383306A JP3957502B2 JP 3957502 B2 JP3957502 B2 JP 3957502B2 JP 2001383306 A JP2001383306 A JP 2001383306A JP 2001383306 A JP2001383306 A JP 2001383306A JP 3957502 B2 JP3957502 B2 JP 3957502B2
- Authority
- JP
- Japan
- Prior art keywords
- photosensitive resin
- resin composition
- group
- mass
- compound
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000011342 resin composition Substances 0.000 title claims description 39
- 150000001875 compounds Chemical class 0.000 claims description 48
- 229920005989 resin Polymers 0.000 claims description 41
- 239000011347 resin Substances 0.000 claims description 41
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 39
- 239000011230 binding agent Substances 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 14
- 229920000642 polymer Polymers 0.000 claims description 14
- 239000002253 acid Substances 0.000 claims description 12
- 125000000217 alkyl group Chemical group 0.000 claims description 12
- 125000004432 carbon atom Chemical group C* 0.000 claims description 11
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 8
- 239000003999 initiator Substances 0.000 claims description 8
- 239000000758 substrate Substances 0.000 claims description 7
- 239000000981 basic dye Substances 0.000 claims description 6
- NPKSPKHJBVJUKB-UHFFFAOYSA-N N-phenylglycine Chemical compound OC(=O)CNC1=CC=CC=C1 NPKSPKHJBVJUKB-UHFFFAOYSA-N 0.000 claims description 5
- 150000008065 acid anhydrides Chemical class 0.000 claims description 5
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 5
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 5
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 5
- 150000007513 acids Chemical class 0.000 claims description 4
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 4
- 125000005442 diisocyanate group Chemical group 0.000 claims description 4
- 125000002768 hydroxyalkyl group Chemical group 0.000 claims description 4
- 125000003545 alkoxy group Chemical group 0.000 claims description 3
- 125000005843 halogen group Chemical group 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 3
- 150000002460 imidazoles Chemical class 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 35
- DHMQDGOQFOQNFH-UHFFFAOYSA-N Glycine Chemical compound NCC(O)=O DHMQDGOQFOQNFH-UHFFFAOYSA-N 0.000 description 30
- -1 2-ethylhexyl Chemical group 0.000 description 25
- 238000007747 plating Methods 0.000 description 23
- 239000007864 aqueous solution Substances 0.000 description 18
- 239000004471 Glycine Substances 0.000 description 15
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 14
- 230000035945 sensitivity Effects 0.000 description 14
- 239000000243 solution Substances 0.000 description 11
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 9
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 9
- 239000000203 mixture Substances 0.000 description 9
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 8
- 229910000365 copper sulfate Inorganic materials 0.000 description 8
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 8
- 239000000975 dye Substances 0.000 description 8
- 229920000139 polyethylene terephthalate Polymers 0.000 description 8
- 239000005020 polyethylene terephthalate Substances 0.000 description 8
- 239000011241 protective layer Substances 0.000 description 8
- 229910000029 sodium carbonate Inorganic materials 0.000 description 7
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 6
- 229920001577 copolymer Polymers 0.000 description 6
- 239000000178 monomer Substances 0.000 description 6
- 125000004800 4-bromophenyl group Chemical group [H]C1=C([H])C(*)=C([H])C([H])=C1Br 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 5
- NNBFNNNWANBMTI-UHFFFAOYSA-M brilliant green Chemical compound OS([O-])(=O)=O.C1=CC(N(CC)CC)=CC=C1C(C=1C=CC=CC=1)=C1C=CC(=[N+](CC)CC)C=C1 NNBFNNNWANBMTI-UHFFFAOYSA-M 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000005530 etching Methods 0.000 description 5
- STVZJERGLQHEKB-UHFFFAOYSA-N ethylene glycol dimethacrylate Chemical compound CC(=C)C(=O)OCCOC(=O)C(C)=C STVZJERGLQHEKB-UHFFFAOYSA-N 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 5
- 229910052753 mercury Inorganic materials 0.000 description 5
- 229920001451 polypropylene glycol Polymers 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 4
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 4
- 239000003513 alkali Substances 0.000 description 4
- ZLSMCQSGRWNEGX-UHFFFAOYSA-N bis(4-aminophenyl)methanone Chemical compound C1=CC(N)=CC=C1C(=O)C1=CC=C(N)C=C1 ZLSMCQSGRWNEGX-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 239000000539 dimer Substances 0.000 description 4
- 150000002148 esters Chemical class 0.000 description 4
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 4
- FDZZZRQASAIRJF-UHFFFAOYSA-M malachite green Chemical compound [Cl-].C1=CC(N(C)C)=CC=C1C(C=1C=CC=CC=1)=C1C=CC(=[N+](C)C)C=C1 FDZZZRQASAIRJF-UHFFFAOYSA-M 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 4
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 4
- 125000003854 p-chlorophenyl group Chemical group [H]C1=C([H])C(*)=C([H])C([H])=C1Cl 0.000 description 4
- 229920001515 polyalkylene glycol Polymers 0.000 description 4
- 229920000573 polyethylene Polymers 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 4
- 229920002818 (Hydroxyethyl)methacrylate Polymers 0.000 description 3
- NSWNXQGJAPQOID-UHFFFAOYSA-N 2-(2-chlorophenyl)-4,5-diphenyl-1h-imidazole Chemical class ClC1=CC=CC=C1C1=NC(C=2C=CC=CC=2)=C(C=2C=CC=CC=2)N1 NSWNXQGJAPQOID-UHFFFAOYSA-N 0.000 description 3
- NFOQRIXSEYVCJP-UHFFFAOYSA-N 2-propoxycarbonylbenzoic acid Chemical compound CCCOC(=O)C1=CC=CC=C1C(O)=O NFOQRIXSEYVCJP-UHFFFAOYSA-N 0.000 description 3
- VVBLNCFGVYUYGU-UHFFFAOYSA-N 4,4'-Bis(dimethylamino)benzophenone Chemical compound C1=CC(N(C)C)=CC=C1C(=O)C1=CC=C(N(C)C)C=C1 VVBLNCFGVYUYGU-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 3
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 description 3
- OAZWDJGLIYNYMU-UHFFFAOYSA-N Leucocrystal Violet Chemical compound C1=CC(N(C)C)=CC=C1C(C=1C=CC(=CC=1)N(C)C)C1=CC=C(N(C)C)C=C1 OAZWDJGLIYNYMU-UHFFFAOYSA-N 0.000 description 3
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 3
- 239000002202 Polyethylene glycol Substances 0.000 description 3
- 239000004793 Polystyrene Substances 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000004040 coloring Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- ISAOCJYIOMOJEB-UHFFFAOYSA-N desyl alcohol Natural products C=1C=CC=CC=1C(O)C(=O)C1=CC=CC=C1 ISAOCJYIOMOJEB-UHFFFAOYSA-N 0.000 description 3
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 3
- 125000001037 p-tolyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1*)C([H])([H])[H] 0.000 description 3
- 229920001223 polyethylene glycol Polymers 0.000 description 3
- 229920002223 polystyrene Polymers 0.000 description 3
- 235000011121 sodium hydroxide Nutrition 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- WBYWAXJHAXSJNI-VOTSOKGWSA-M .beta-Phenylacrylic acid Natural products [O-]C(=O)\C=C\C1=CC=CC=C1 WBYWAXJHAXSJNI-VOTSOKGWSA-M 0.000 description 2
- RNIPJYFZGXJSDD-UHFFFAOYSA-N 2,4,5-triphenyl-1h-imidazole Chemical group C1=CC=CC=C1C1=NC(C=2C=CC=CC=2)=C(C=2C=CC=CC=2)N1 RNIPJYFZGXJSDD-UHFFFAOYSA-N 0.000 description 2
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 description 2
- LYCNQAIOLGIAFA-UHFFFAOYSA-N 4-[bis[4-(dimethylamino)-2-methylphenyl]methyl]-n,n,3-trimethylaniline Chemical compound CC1=CC(N(C)C)=CC=C1C(C=1C(=CC(=CC=1)N(C)C)C)C1=CC=C(N(C)C)C=C1C LYCNQAIOLGIAFA-UHFFFAOYSA-N 0.000 description 2
- 0 C**Oc1ccc(C(C)(C)c(cc2)ccc2OC)cc1 Chemical compound C**Oc1ccc(C(C)(C)c(cc2)ccc2OC)cc1 0.000 description 2
- WBYWAXJHAXSJNI-SREVYHEPSA-N Cinnamic acid Chemical compound OC(=O)\C=C/C1=CC=CC=C1 WBYWAXJHAXSJNI-SREVYHEPSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 2
- 244000028419 Styrax benzoin Species 0.000 description 2
- 235000000126 Styrax benzoin Nutrition 0.000 description 2
- 235000008411 Sumatra benzointree Nutrition 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 2
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium peroxydisulfate Substances [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 2
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 2
- 229960002130 benzoin Drugs 0.000 description 2
- VYHBFRJRBHMIQZ-UHFFFAOYSA-N bis[4-(diethylamino)phenyl]methanone Chemical compound C1=CC(N(CC)CC)=CC=C1C(=O)C1=CC=C(N(CC)CC)C=C1 VYHBFRJRBHMIQZ-UHFFFAOYSA-N 0.000 description 2
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 229930016911 cinnamic acid Natural products 0.000 description 2
- 235000013985 cinnamic acid Nutrition 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 description 2
- LDHQCZJRKDOVOX-NSCUHMNNSA-N crotonic acid Chemical compound C\C=C\C(O)=O LDHQCZJRKDOVOX-NSCUHMNNSA-N 0.000 description 2
- FLKPEMZONWLCSK-UHFFFAOYSA-N diethyl phthalate Chemical compound CCOC(=O)C1=CC=CC=C1C(=O)OCC FLKPEMZONWLCSK-UHFFFAOYSA-N 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000001530 fumaric acid Substances 0.000 description 2
- 238000005227 gel permeation chromatography Methods 0.000 description 2
- 235000019382 gum benzoic Nutrition 0.000 description 2
- 150000002366 halogen compounds Chemical class 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 229940107698 malachite green Drugs 0.000 description 2
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 2
- 239000011976 maleic acid Substances 0.000 description 2
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- WBYWAXJHAXSJNI-UHFFFAOYSA-N methyl p-hydroxycinnamate Natural products OC(=O)C=CC1=CC=CC=C1 WBYWAXJHAXSJNI-UHFFFAOYSA-N 0.000 description 2
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- WQGWDDDVZFFDIG-UHFFFAOYSA-N pyrogallol Chemical compound OC1=CC=CC(O)=C1O WQGWDDDVZFFDIG-UHFFFAOYSA-N 0.000 description 2
- 238000010526 radical polymerization reaction Methods 0.000 description 2
- 229920006027 ternary co-polymer Polymers 0.000 description 2
- HJUGFYREWKUQJT-UHFFFAOYSA-N tetrabromomethane Chemical compound BrC(Br)(Br)Br HJUGFYREWKUQJT-UHFFFAOYSA-N 0.000 description 2
- LDHQCZJRKDOVOX-UHFFFAOYSA-N trans-crotonic acid Natural products CC=CC(O)=O LDHQCZJRKDOVOX-UHFFFAOYSA-N 0.000 description 2
- DWWMSEANWMWMCB-UHFFFAOYSA-N tribromomethylsulfonylbenzene Chemical compound BrC(Br)(Br)S(=O)(=O)C1=CC=CC=C1 DWWMSEANWMWMCB-UHFFFAOYSA-N 0.000 description 2
- QZARPMIQNFZVLT-NSHDSACASA-N (2s)-2-(n-butylanilino)propanoic acid Chemical compound CCCCN([C@@H](C)C(O)=O)C1=CC=CC=C1 QZARPMIQNFZVLT-NSHDSACASA-N 0.000 description 1
- LWELMJQSALGGOZ-VIFPVBQESA-N (2s)-2-(n-ethylanilino)propanoic acid Chemical compound OC(=O)[C@H](C)N(CC)C1=CC=CC=C1 LWELMJQSALGGOZ-VIFPVBQESA-N 0.000 description 1
- ORMVNTQVUJYMFW-JTQLQIEISA-N (2s)-2-(n-propylanilino)propanoic acid Chemical compound CCCN([C@@H](C)C(O)=O)C1=CC=CC=C1 ORMVNTQVUJYMFW-JTQLQIEISA-N 0.000 description 1
- LAZKWQOFMWWSLT-NSHDSACASA-N (2s)-3-methyl-2-(n-methylanilino)butanoic acid Chemical compound CC(C)[C@@H](C(O)=O)N(C)C1=CC=CC=C1 LAZKWQOFMWWSLT-NSHDSACASA-N 0.000 description 1
- RBKHNGHPZZZJCI-UHFFFAOYSA-N (4-aminophenyl)-phenylmethanone Chemical compound C1=CC(N)=CC=C1C(=O)C1=CC=CC=C1 RBKHNGHPZZZJCI-UHFFFAOYSA-N 0.000 description 1
- SDTXSEXYPROZSZ-UHFFFAOYSA-N 1,2-dibromo-2-methylpropane Chemical compound CC(C)(Br)CBr SDTXSEXYPROZSZ-UHFFFAOYSA-N 0.000 description 1
- PAAZPARNPHGIKF-UHFFFAOYSA-N 1,2-dibromoethane Chemical compound BrCCBr PAAZPARNPHGIKF-UHFFFAOYSA-N 0.000 description 1
- HUDYANRNMZDQGA-UHFFFAOYSA-N 1-[4-(dimethylamino)phenyl]ethanone Chemical compound CN(C)C1=CC=C(C(C)=O)C=C1 HUDYANRNMZDQGA-UHFFFAOYSA-N 0.000 description 1
- YXZFFTJAHVMMLF-UHFFFAOYSA-N 1-bromo-3-methylbutane Chemical compound CC(C)CCBr YXZFFTJAHVMMLF-UHFFFAOYSA-N 0.000 description 1
- YZWKKMVJZFACSU-UHFFFAOYSA-N 1-bromopentane Chemical compound CCCCCBr YZWKKMVJZFACSU-UHFFFAOYSA-N 0.000 description 1
- FEWDXGMBVQULLN-UHFFFAOYSA-N 1-hydroxy-2-phenyl-1,5,6,7-tetrahydro-4H-benzimidazol-4-one Chemical compound ON1C=2CCCC(=O)C=2N=C1C1=CC=CC=C1 FEWDXGMBVQULLN-UHFFFAOYSA-N 0.000 description 1
- BTUGGGLMQBJCBN-UHFFFAOYSA-N 1-iodo-2-methylpropane Chemical compound CC(C)CI BTUGGGLMQBJCBN-UHFFFAOYSA-N 0.000 description 1
- BLXSFCHWMBESKV-UHFFFAOYSA-N 1-iodopentane Chemical compound CCCCCI BLXSFCHWMBESKV-UHFFFAOYSA-N 0.000 description 1
- RUFPHBVGCFYCNW-UHFFFAOYSA-N 1-naphthylamine Chemical compound C1=CC=C2C(N)=CC=CC2=C1 RUFPHBVGCFYCNW-UHFFFAOYSA-N 0.000 description 1
- KGRVJHAUYBGFFP-UHFFFAOYSA-N 2,2'-Methylenebis(4-methyl-6-tert-butylphenol) Chemical compound CC(C)(C)C1=CC(C)=CC(CC=2C(=C(C=C(C)C=2)C(C)(C)C)O)=C1O KGRVJHAUYBGFFP-UHFFFAOYSA-N 0.000 description 1
- UPQQXPKAYZYUKO-UHFFFAOYSA-N 2,2,2-trichloroacetamide Chemical compound OC(=N)C(Cl)(Cl)Cl UPQQXPKAYZYUKO-UHFFFAOYSA-N 0.000 description 1
- DXUMYHZTYVPBEZ-UHFFFAOYSA-N 2,4,6-tris(trichloromethyl)-1,3,5-triazine Chemical compound ClC(Cl)(Cl)C1=NC(C(Cl)(Cl)Cl)=NC(C(Cl)(Cl)Cl)=N1 DXUMYHZTYVPBEZ-UHFFFAOYSA-N 0.000 description 1
- BTJPUDCSZVCXFQ-UHFFFAOYSA-N 2,4-diethylthioxanthen-9-one Chemical compound C1=CC=C2C(=O)C3=CC(CC)=CC(CC)=C3SC2=C1 BTJPUDCSZVCXFQ-UHFFFAOYSA-N 0.000 description 1
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- SNFCQJAJPFWBDJ-UHFFFAOYSA-N 2-(4-methoxyphenyl)-4,5-diphenyl-1h-imidazole Chemical class C1=CC(OC)=CC=C1C1=NC(C=2C=CC=CC=2)=C(C=2C=CC=CC=2)N1 SNFCQJAJPFWBDJ-UHFFFAOYSA-N 0.000 description 1
- QRHHZFRCJDAUNA-UHFFFAOYSA-N 2-(4-methoxyphenyl)-4,6-bis(trichloromethyl)-1,3,5-triazine Chemical compound C1=CC(OC)=CC=C1C1=NC(C(Cl)(Cl)Cl)=NC(C(Cl)(Cl)Cl)=N1 QRHHZFRCJDAUNA-UHFFFAOYSA-N 0.000 description 1
- GMDJMLOOHULQEV-UHFFFAOYSA-N 2-(n-ethylanilino)acetic acid Chemical compound OC(=O)CN(CC)C1=CC=CC=C1 GMDJMLOOHULQEV-UHFFFAOYSA-N 0.000 description 1
- DVYVBENBIMEAJZ-UHFFFAOYSA-N 2-(n-methylanilino)acetic acid Chemical compound OC(=O)CN(C)C1=CC=CC=C1 DVYVBENBIMEAJZ-UHFFFAOYSA-N 0.000 description 1
- BEIMQZCXRUNTAS-UHFFFAOYSA-N 2-(n-methylanilino)propanoic acid Chemical compound OC(=O)C(C)N(C)C1=CC=CC=C1 BEIMQZCXRUNTAS-UHFFFAOYSA-N 0.000 description 1
- PWUZXJRWHWASFQ-UHFFFAOYSA-N 2-(n-propylanilino)acetic acid Chemical compound CCCN(CC(O)=O)C1=CC=CC=C1 PWUZXJRWHWASFQ-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- XOLNSMTWLSOUQY-UHFFFAOYSA-N 2-[2-[2-[2-[2-[2-[2-(2-hydroxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]-1-(4-nonylphenoxy)ethanol;prop-2-enoic acid Chemical compound OC(=O)C=C.CCCCCCCCCC1=CC=C(OC(O)COCCOCCOCCOCCOCCOCCOCCO)C=C1 XOLNSMTWLSOUQY-UHFFFAOYSA-N 0.000 description 1
- JDPZLHCKBWMLDH-UHFFFAOYSA-N 2-[2-[2-[2-[2-[2-[2-[2-(2-prop-2-enoyloxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethyl prop-2-enoate Chemical compound C=CC(=O)OCCOCCOCCOCCOCCOCCOCCOCCOCCOC(=O)C=C JDPZLHCKBWMLDH-UHFFFAOYSA-N 0.000 description 1
- TXBCBTDQIULDIA-UHFFFAOYSA-N 2-[[3-hydroxy-2,2-bis(hydroxymethyl)propoxy]methyl]-2-(hydroxymethyl)propane-1,3-diol Chemical compound OCC(CO)(CO)COCC(CO)(CO)CO TXBCBTDQIULDIA-UHFFFAOYSA-N 0.000 description 1
- WOLYCMSVRZEMGP-UHFFFAOYSA-N 2-[n-(2-methoxyethyl)anilino]acetic acid Chemical compound COCCN(CC(O)=O)C1=CC=CC=C1 WOLYCMSVRZEMGP-UHFFFAOYSA-N 0.000 description 1
- ZCDADJXRUCOCJE-UHFFFAOYSA-N 2-chlorothioxanthen-9-one Chemical compound C1=CC=C2C(=O)C3=CC(Cl)=CC=C3SC2=C1 ZCDADJXRUCOCJE-UHFFFAOYSA-N 0.000 description 1
- KMNCBSZOIQAUFX-UHFFFAOYSA-N 2-ethoxy-1,2-diphenylethanone Chemical compound C=1C=CC=CC=1C(OCC)C(=O)C1=CC=CC=C1 KMNCBSZOIQAUFX-UHFFFAOYSA-N 0.000 description 1
- SJEBAWHUJDUKQK-UHFFFAOYSA-N 2-ethylanthraquinone Chemical compound C1=CC=C2C(=O)C3=CC(CC)=CC=C3C(=O)C2=C1 SJEBAWHUJDUKQK-UHFFFAOYSA-N 0.000 description 1
- 125000000954 2-hydroxyethyl group Chemical group [H]C([*])([H])C([H])([H])O[H] 0.000 description 1
- GWZMWHWAWHPNHN-UHFFFAOYSA-N 2-hydroxypropyl prop-2-enoate Chemical compound CC(O)COC(=O)C=C GWZMWHWAWHPNHN-UHFFFAOYSA-N 0.000 description 1
- BQZJOQXSCSZQPS-UHFFFAOYSA-N 2-methoxy-1,2-diphenylethanone Chemical compound C=1C=CC=CC=1C(OC)C(=O)C1=CC=CC=C1 BQZJOQXSCSZQPS-UHFFFAOYSA-N 0.000 description 1
- QTWJRLJHJPIABL-UHFFFAOYSA-N 2-methylphenol;3-methylphenol;4-methylphenol Chemical compound CC1=CC=C(O)C=C1.CC1=CC=CC(O)=C1.CC1=CC=CC=C1O QTWJRLJHJPIABL-UHFFFAOYSA-N 0.000 description 1
- GPNYZBKIGXGYNU-UHFFFAOYSA-N 2-tert-butyl-6-[(3-tert-butyl-5-ethyl-2-hydroxyphenyl)methyl]-4-ethylphenol Chemical compound CC(C)(C)C1=CC(CC)=CC(CC=2C(=C(C=C(CC)C=2)C(C)(C)C)O)=C1O GPNYZBKIGXGYNU-UHFFFAOYSA-N 0.000 description 1
- YTPSFXZMJKMUJE-UHFFFAOYSA-N 2-tert-butylanthracene-9,10-dione Chemical compound C1=CC=C2C(=O)C3=CC(C(C)(C)C)=CC=C3C(=O)C2=C1 YTPSFXZMJKMUJE-UHFFFAOYSA-N 0.000 description 1
- MECNWXGGNCJFQJ-UHFFFAOYSA-N 3-piperidin-1-ylpropane-1,2-diol Chemical compound OCC(O)CN1CCCCC1 MECNWXGGNCJFQJ-UHFFFAOYSA-N 0.000 description 1
- JIGUICYYOYEXFS-UHFFFAOYSA-N 3-tert-butylbenzene-1,2-diol Chemical compound CC(C)(C)C1=CC=CC(O)=C1O JIGUICYYOYEXFS-UHFFFAOYSA-N 0.000 description 1
- JLBJTVDPSNHSKJ-UHFFFAOYSA-N 4-Methylstyrene Chemical compound CC1=CC=C(C=C)C=C1 JLBJTVDPSNHSKJ-UHFFFAOYSA-N 0.000 description 1
- KLSLBUSXWBJMEC-UHFFFAOYSA-N 4-Propylphenol Chemical compound CCCC1=CC=C(O)C=C1 KLSLBUSXWBJMEC-UHFFFAOYSA-N 0.000 description 1
- MTRFEWTWIPAXLG-UHFFFAOYSA-N 9-phenylacridine Chemical compound C1=CC=CC=C1C1=C(C=CC=C2)C2=NC2=CC=CC=C12 MTRFEWTWIPAXLG-UHFFFAOYSA-N 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- 239000004342 Benzoyl peroxide Substances 0.000 description 1
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 1
- AMNBPKHZEFVJKS-UHFFFAOYSA-N C(C=C)(=O)O.CC(COC(C)CO)O.C(CCCCCCCC)C1=CC=C(OC(COCCOCCOCCOCCOCCOCCO)O)C=C1 Chemical compound C(C=C)(=O)O.CC(COC(C)CO)O.C(CCCCCCCC)C1=CC=C(OC(COCCOCCOCCOCCOCCOCCO)O)C=C1 AMNBPKHZEFVJKS-UHFFFAOYSA-N 0.000 description 1
- 229910021591 Copper(I) chloride Inorganic materials 0.000 description 1
- YVGGHNCTFXOJCH-UHFFFAOYSA-N DDT Chemical compound C1=CC(Cl)=CC=C1C(C(Cl)(Cl)Cl)C1=CC=C(Cl)C=C1 YVGGHNCTFXOJCH-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- WZKXBGJNNCGHIC-UHFFFAOYSA-N Leucomalachite green Chemical compound C1=CC(N(C)C)=CC=C1C(C=1C=CC(=CC=1)N(C)C)C1=CC=CC=C1 WZKXBGJNNCGHIC-UHFFFAOYSA-N 0.000 description 1
- UBUCNCOMADRQHX-UHFFFAOYSA-N N-Nitrosodiphenylamine Chemical compound C=1C=CC=CC=1N(N=O)C1=CC=CC=C1 UBUCNCOMADRQHX-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 229920001328 Polyvinylidene chloride Polymers 0.000 description 1
- DAKWPKUUDNSNPN-UHFFFAOYSA-N Trimethylolpropane triacrylate Chemical compound C=CC(=O)OCC(CC)(COC(=O)C=C)COC(=O)C=C DAKWPKUUDNSNPN-UHFFFAOYSA-N 0.000 description 1
- PQYJRMFWJJONBO-UHFFFAOYSA-N Tris(2,3-dibromopropyl) phosphate Chemical compound BrCC(Br)COP(=O)(OCC(Br)CBr)OCC(Br)CBr PQYJRMFWJJONBO-UHFFFAOYSA-N 0.000 description 1
- WMABJOOWQCYZKK-UHFFFAOYSA-N [2-(dibutylamino)phenyl]-phenylmethanone Chemical compound CCCCN(CCCC)C1=CC=CC=C1C(=O)C1=CC=CC=C1 WMABJOOWQCYZKK-UHFFFAOYSA-N 0.000 description 1
- XHTJVCVAGSECMN-UHFFFAOYSA-N [2-(ethylamino)phenyl]-phenylmethanone Chemical compound CCNC1=CC=CC=C1C(=O)C1=CC=CC=C1 XHTJVCVAGSECMN-UHFFFAOYSA-N 0.000 description 1
- BEUGBYXJXMVRFO-UHFFFAOYSA-N [4-(dimethylamino)phenyl]-phenylmethanone Chemical compound C1=CC(N(C)C)=CC=C1C(=O)C1=CC=CC=C1 BEUGBYXJXMVRFO-UHFFFAOYSA-N 0.000 description 1
- 150000001251 acridines Chemical class 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000001346 alkyl aryl ethers Chemical class 0.000 description 1
- VAZSKTXWXKYQJF-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)OOS([O-])=O VAZSKTXWXKYQJF-UHFFFAOYSA-N 0.000 description 1
- 150000008365 aromatic ketones Chemical class 0.000 description 1
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 description 1
- 239000012965 benzophenone Substances 0.000 description 1
- 235000019400 benzoyl peroxide Nutrition 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- OQROAIRCEOBYJA-UHFFFAOYSA-N bromodiphenylmethane Chemical compound C=1C=CC=CC=1C(Br)C1=CC=CC=C1 OQROAIRCEOBYJA-UHFFFAOYSA-N 0.000 description 1
- 238000012662 bulk polymerization Methods 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000011088 calibration curve Methods 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- PMMYEEVYMWASQN-IMJSIDKUSA-N cis-4-Hydroxy-L-proline Chemical compound O[C@@H]1CN[C@H](C(O)=O)C1 PMMYEEVYMWASQN-IMJSIDKUSA-N 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- OXBLHERUFWYNTN-UHFFFAOYSA-M copper(I) chloride Chemical compound [Cu]Cl OXBLHERUFWYNTN-UHFFFAOYSA-M 0.000 description 1
- QKSIFUGZHOUETI-UHFFFAOYSA-N copper;azane Chemical compound N.N.N.N.[Cu+2] QKSIFUGZHOUETI-UHFFFAOYSA-N 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 229930003836 cresol Natural products 0.000 description 1
- 229960003280 cupric chloride Drugs 0.000 description 1
- 229940045803 cuprous chloride Drugs 0.000 description 1
- FJBFPHVGVWTDIP-UHFFFAOYSA-N dibromomethane Chemical compound BrCBr FJBFPHVGVWTDIP-UHFFFAOYSA-N 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000007720 emulsion polymerization reaction Methods 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- VHHHONWQHHHLTI-UHFFFAOYSA-N hexachloroethane Chemical compound ClC(Cl)(Cl)C(Cl)(Cl)Cl VHHHONWQHHHLTI-UHFFFAOYSA-N 0.000 description 1
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 1
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 150000002923 oximes Chemical class 0.000 description 1
- NWVVVBRKAWDGAB-UHFFFAOYSA-N p-methoxyphenol Chemical compound COC1=CC=C(O)C=C1 NWVVVBRKAWDGAB-UHFFFAOYSA-N 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- XZUHEZIGAZNGJR-UHFFFAOYSA-N phenol;prop-2-enoic acid Chemical compound OC(=O)C=C.OC1=CC=CC=C1.OC1=CC=CC=C1 XZUHEZIGAZNGJR-UHFFFAOYSA-N 0.000 description 1
- 150000003021 phthalic acid derivatives Chemical class 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920005596 polymer binder Polymers 0.000 description 1
- 239000002491 polymer binding agent Substances 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000005033 polyvinylidene chloride Substances 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 238000003918 potentiometric titration Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229940079877 pyrogallol Drugs 0.000 description 1
- 150000004053 quinones Chemical class 0.000 description 1
- 239000007870 radical polymerization initiator Substances 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 150000003440 styrenes Chemical class 0.000 description 1
- 238000010557 suspension polymerization reaction Methods 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- YRHRIQCWCFGUEQ-UHFFFAOYSA-N thioxanthen-9-one Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3SC2=C1 YRHRIQCWCFGUEQ-UHFFFAOYSA-N 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 1
- LMYRWZFENFIFIT-UHFFFAOYSA-N toluene-4-sulfonamide Chemical compound CC1=CC=C(S(N)(=O)=O)C=C1 LMYRWZFENFIFIT-UHFFFAOYSA-N 0.000 description 1
- 150000003918 triazines Chemical class 0.000 description 1
- 150000003673 urethanes Chemical class 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Materials For Photolithography (AREA)
- Polymerisation Methods In General (AREA)
- Graft Or Block Polymers (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Macromonomer-Based Addition Polymer (AREA)
- Polymerization Catalysts (AREA)
Description
【0001】
【発明の属する技術分野】
本発明は感光性樹脂組成物及び感光性樹脂積層体に関し、更に詳しくはプリント回路板、リ−ドフレ−ム及び半導体パッケ−ジ等製造に適したアルカリ現像可能な感光性樹脂組成物、感光性樹脂組成物からなる感光性樹脂積層体及びこれを用いたレジストパターンの製造方法に関する。
【0002】
【従来の技術】
従来、プリント回路板、リードフレーム及び半導体パッケージ用基板作製用のレジストとしては、支持層と感光性樹脂層からなる感光性樹脂積層体、いわゆる、ドライフィルムレジスト(以下、DFR、と略称)が用いられている。DFRは、一般に、支持層である支持層上に感光性樹脂組成物を積層し、多くの場合、さらに感光性樹脂組成物上に保護層を積層することにより調製される。用いられる感光性樹脂層としては、現在、現像液として弱アルカリ水溶液を用いるアルカリ現像型が一般的である。
【0003】
DFRを用いてプリント回路板を作製するには、一般的に、以下の方法が用いられている。まず、保護フィルムを剥離して銅張積層板等の永久回路作成用基板上に、ラミネーター等を用いて感光性樹脂層を積層し、配線パターンのマスクフィルム等を通して露光を行い、必要に応じて支持層を剥離し、現像液により未露光部分の感光性組成物を溶解又は分散除去し、基板上に硬化レジストからなるレジストパターンを形成させる。次に、形成されたレジストパターンをマスクとして、基板の金属表面をエッチング又はめっきによる処理を行い、さらに、レジストパターンを現像液よりも強いアルカリ水溶液を用いて剥離して、プリント配線板等を形成する方法である。
【0004】
最近は、工程の簡便さから、貫通孔(スルーホール)を硬化膜で覆い、その後にエッチングを行う、いわゆる、テンティング法が多用されている。エッチングには、塩化第二銅、塩化第二鉄、銅アンモニア錯体溶液等が用いられる。
近年のプリント配線板微細化に伴い、感光性樹脂の高解像性が要求され、生産性の観点からは、露光時間短縮のため感光性樹脂の感度の向上が要求されている。
テンティング用途では、スルーホールを覆う硬化膜が強靭で膜破れがない良好なテンティング性、また、めっき用や半導体パッケージ製造のためのセミアディティブ工法用では良好な耐めっき性が望まれている。
【0005】
【発明が解決しようとする課題】
本発明の課題は、露光時の感度及び現像後のレジストパターンの解像性に優れるとともに、テンティング用では膜破れのない強靭な硬化膜を有し、耐めっき性の良好な感光性樹脂組成物、この感光性樹脂組成物からなる感光性樹脂積層体及びこれを用いたレジストパターンの製造方法を提供することである。
【0006】
【課題を解決するための手段】
上記の課題を解決すべく鋭意検討を重ねた結果、特定の感光性樹脂組成物をDFRに用いることにより、上記課題を解決できることを見いだし、本発明を完成するに至った。
すなわち、本発明は、以下の通りである。
(1) (a)カルボキシル基含有量が酸当量で100〜600であり、かつ、重量平均分子量が2万〜50万の線状重合体からなるバインダー用樹脂、20〜90質量%、(b)下記一般式(I)で表される化合物を含む光重合可能な不飽和化合物、9〜79質量%、(c)光重合開始剤としてN−アリ−ル−α−アミノ酸化合物、0.005〜0.5質量%、(d)下記一般式(II)で表される塩基性染料、0.005〜0.5質量%を含有することを特徴とする感光性樹脂組成物。
【0007】
【化6】
【0008】
(式中、R1、R2はH又はCH3であり、これらは同一であっても相違してもよく、AはC2H4、BはC3H6、n1+n2は2〜30の整数、n3+n4は0〜30の整数、n1、n2は1〜29の整数、n3、n4は0〜29の整数である。−(A−O)−及び−(B−O)−の繰り返し単位の配列は、ランダムであってもブロックであってもよい。)
【0009】
【化7】
【0010】
(式中、R3はCH3又はC2H5であり、これらは同一でも異なっていてもよい。)
【0011】
(2) (c)N−アリ−ル−α−アミノ酸化合物がN−フェニルグリシンであることを特徴とする(1)に記載の感光性樹脂組成物。
(3) (b)光重合可能な不飽和化合物として、さらに、下記一般式(III)及び(IV)で表される化合物からなる群から選ばれる少なくとも一種が含有されていることを特徴とする(1)又は(2)に記載の感光性樹脂組成物。
【0012】
【化8】
【0013】
(式中、R4、R5はH又はCH3であり、これらは同一であっても相違してもよく、n5、n6及びn7は3〜20の整数である。)
【0014】
【化9】
【0015】
(式中、R6は炭素数4〜12のジイソシアナート残基、R7、R8はH又はCH3であり、これらは同一であっても相違してもよく、n8及びn9は1〜15の整数である。)
【0016】
(4) (c)光重合開始剤として、さらに、下記一般式(V)で表される2,4,5−トリアリ−ルイミダゾ−ル二量体を、感光性樹脂組成物中に0.1〜10質量%含有することを特徴とする(1)、(2)又は(3)記載の感光性樹脂組成物。
【0017】
【化10】
【0018】
(式中、X、Y及びZは水素、アルキル基、アルコキシ基及びハロゲン基のいずれかを表し、p、q及びrは1〜5の整数である。)
【0019】
(5) (a)バインダー用樹脂として、(i)非酸性であり、かつ分子中に重合性不飽和基及びフェニル基を有する化合物、(ii)分子中に重合性不飽和基を有するカルボン酸又は酸無水物、及び(iii)炭素数1〜6のアルキル基を有するアルキル(メタ)アクリレ−ト、炭素数2〜6のヒドロキシアルキル基を有するヒドロキシ(メタ)アクリレート及びシアノ基を有する(メタ)アクリレートから選ばれる少なくとも一種の化合物、の(i)〜(iii)成分を共重合してなり、カルボキシル基含有量が酸当量で100〜600であり、かつ、重量平均分子量が3万〜9万の線状重合体からなるバインダー用樹脂Qが含まれることを特徴とする(1)〜(4)のいづれかに記載の感光性樹脂組成物。
【0020】
(6) (1)〜(5)のいづれかに記載の感光性樹脂組成物からなる層を支持体上に設けた感光性樹脂積層体。
(7) (6)に記載の感光性樹脂積層体を用いて、基板上に感光性樹脂層を形成し、露光し、現像してなるレジストパターンの形成方法。
【0021】
【発明の実施の形態】
以下、本発明を詳細に説明する。
本発明に用いる(a)バインダー用樹脂を構成する線状重合体に含まれるカルボキシル基の量は、酸当量で100〜600である必要があり、好ましくは300〜400である。酸当量とは、その中に1当量のカルボキシル基を有する線状重合体の質量を言う。線状重合体中のカルボキシル基は、感光性樹脂層にアルカリ水溶液に対する現像性や剥離性を与えるために必要である。酸当量が100未満では、現像耐性が低下し、解像性及び密着性に悪影響を及ぼし、600を超えると、現像性及び剥離性が低下する。
【0022】
本発明に用いる(a)バインダー用樹脂を構成する線状重合体の分子量は、2〜50万である必要がある。線状重合体の分子量が、50万を超えると現像性が低下し、2万未満ではテンティング膜強度が低下し、エッジフューズ(保存時の光重合性層のはみ出し)が著しくなる。
本発明の効果をさらに良く発揮するためには、線状重合体の分子量は、2万〜30万が好ましい。
【0023】
なお、酸当量の測定は、平沼産業(株)製平沼自動滴定装置(COM−555)を用い、0.1mol/Lの水酸化ナトリウムを用いて電位差滴定法により行われる。分子量は、日本分光(株)製ゲルパ−ミエ−ションクロマトグラフィ−(GPC)(ポンプ:Gulliver、PU−1580型、カラム:昭和電工(株)製Shodex(KF−807、KF−806M、KF−806M、KF−802.5)4本直列、移動層溶媒:テトラヒドロフラン、ポリスチレン標準サンプルによる検量線使用)により重量平均分子量(ポリスチレン換算)として求められる。
【0024】
(a)バインダー用樹脂を構成する線状重合体は、下記の2種類の単量体の中より、各々一種又はそれ以上の単量体を共重合させることにより得られる。
第一の単量体は、分子中に重合性不飽和基を一個有するカルボン酸又は酸無水物である。例えば、(メタ)アクリル酸、フマル酸、ケイ皮酸、クロトン酸、イタコン酸、マレイン酸無水物、マレイン酸半エステル等が挙げられる。
第二の単量体は、非酸性で、分子中に重合性不飽和基を一個有し、感光性樹脂層の現像性、エッチング及びめっき工程での耐性、硬化膜の可とう性等の種々の特性を保持するように選ばれる。例えば、メチル(メタ)アクリレ−ト、エチル(メタ)アクリレ−ト、ブチル(メタ)アクリレ−ト、2−エチルヘキシル(メタ)アクリレ−ト等のアルキル(メタ)アクリレ−ト類がある。また、フェニル基を有するビニル化合物(例えば、スチレン)も用いることができる。
【0025】
本発明の効果の中で、特に、解像性をさらに良く発揮させるためには、(a)中に線状重合体のバインダー用樹脂Qを用いることが好ましい。本発明に用いるバインダー用樹脂Qに含まれるカルボキシル基の量は、酸当量で100〜600である必要があり、好ましくは300〜400である。バインダー用樹脂Qの分子量は、3万〜9万である必要がある。バインダー用樹脂Qの分子量が、9万を超えると解像性に対する効果が充分でなく、3万未満ではテンティング膜強度及びエッジフューズ性が悪化する。
【0026】
バインダー用樹脂Qは、(i)非酸性であり、かつ分子中に重合性不飽和基及びフェニル基を有する化合物、(ii)分子中に重合性不飽和基を有するカルボン酸又は酸無水物、及び(iii)炭素数1〜6のアルキル基を有するアルキル(メタ)アクリレ−ト、炭素数2〜6のヒドロキシアルキル基を有するヒドロキシ(メタ)アクリレート及びシアノ基を有する(メタ)アクリレートから選ばれる少なくとも一種の化合物、の(i)〜(iii)成分を共重合してなる。
【0027】
バインダー用樹脂Qの成分として用いられる線状重合体の共重合成分(i)は、非酸性であり、かつ、分子中に重合性不飽和基及びフェニル基を有する化合物である。このような化合物としては、例えば、スチレン、メチルスチレン、及びスチレン誘導体が挙げられ、本発明においては、スチレンが好ましい。
バインダー用樹脂Qの成分として用いられる線状重合体の共重合成分(ii)は、分子中に重合性不飽和基を有するカルボン酸又は酸無水物である。このような化合物としては、例えば、アクリル酸、メタクリル酸、フマル酸、ケイ皮酸、クロトン酸、イタコン酸、マレイン酸無水物、マレイン酸半エステル等が挙げられ、それぞれ単独で用いてもよいし2種以上を組み合わせてもよい。
【0028】
バインダー用樹脂Qの成分として用いられる線状重合体の共重合成分(iii)は、炭素数1〜6のアルキル基を有するアルキル(メタ)アクリレ−ト、炭素数2〜6のヒドロキシアルキル基を有するヒドロキシ(メタ)アクリレ−ト及びシアノ基を有する(メタ)アクリレ−トからなる群から選ばれる一種以上の化合物である。このような化合物としては、例えば、メチル(メタ)アクリレ−ト、エチル(メタ)アクリレ−ト、n−プロピル(メタ)アクリレ−ト、iso−プロピル(メタ)アクリレ−ト、n−ブチル(メタ)アクリレ−ト、sec−ブチル(メタ)アクリレ−ト、tert−ブチル(メタ)アクリレ−ト、2−ヒドロキシエチル(メタ)アクリレ−ト、2−ヒドロキシプロピル(メタ)アクリレ−ト、2−エチルヘキシル(メタ)アクリレ−ト、(メタ)アクリロニトリル等が挙げられる。
【0029】
(a)バインダー用樹脂は、単量体の混合物を、アセトン、メチルエチルケトン、イソプロパノール等の溶剤で希釈した溶液に、過酸化ベンゾイル、アゾイソブチロニトリル等のラジカル重合開始剤を適量添加し、過熱攪拌することにより合成を行うことが好ましい。混合物の一部を反応液に滴下しながら合成を行う場合もある。反応終了後、さらに溶剤を加えて、所望の濃度に調整する場合もある。
合成手段としては、溶液重合以外に、塊状重合、懸濁重合及び乳化重合を用いてもよい。
【0030】
本発明に用いられる(a)バインダー用樹脂の感光性樹脂組成物全体に対する割合は、20〜90質量%の範囲であり、好ましくは30〜70質量%である。(a)バインダー用樹脂の割合が、20質量%未満である場合及び90質量%を超える場合には、露光、現像によって形成されるレジストパターンが、レジストとしての特性、例えば、テンティング、エッチング及び各種めっき工程において十分な耐性等を有しない。
【0031】
本発明に用いる(b)光重合可能な不飽和化合物は、下記一般式(I)で表される化合物を必須成分とする。
【0032】
【化11】
【0033】
(式中、R1、R2はH又はCH3であり、これらは同一であっても相違してもよく、AはC2H4、BはC3H6、n1+n2は2〜30の整数、n3+n4は0〜30の整数、n1、n2は1〜29の整数、n3、n4は0〜29の整数である。−(A−O)−及び−(B−O)−の繰り返し単位の配列は、ランダムであってもブロックであってもよい。)
【0034】
一般式(I)で表される化合物において、n1+n2及びn3+n4が30を越えると、この化合物をDFRに用いた場合に、相対的にDFR中の二重結合濃度が低くなるので、充分な感度が得られない。n1+n2は4〜14が好ましく、n3+n4は0〜14が好ましい。
【0035】
一般式(I)で表される化合物の具体例としては、ビスフェノ−ルAの両端にそれぞれ平均2モルのプロピレンオキサイドと平均6モルのエチレンオキサイドを付加したポリアルキレングリコ−ルのジメタクリレ−トや、ビスフェノ−ルAの両端にそれぞれ平均5モルのエチレンオキサイドを付加したポリエチレングリコ−ルのジメタクリレ−ト(新中村化学工業(株)製NKエステルBPE−500)がある。
【0036】
また、(b)光重合可能な不飽和化合物として、さらに、下記一般式(III)及び(IV)で表される化合物からなる群から選ばれる少なくとも一種が含有されていることは、本発明の好ましい実施形態である。
【0037】
【化12】
【0038】
(式中、R4、R5はH又はCH3であり、これらは同一であっても相違してもよく、n5、n6及びn7は3〜20の整数である。)
【0039】
【化13】
【0040】
(式中、R6は炭素数4〜12のジイソシアナート残基、R7、R8はH又はCH3であり、これらは同一であっても相違してもよく、n8及びn9は1〜15の整数である。)
【0041】
本発明に用いられる一般式(III)の化合物においてn5、n6及びn7が3よりも小さいと当該化合物の沸点が低下して、レジストの臭気が強くなり、使用が著しく困難になる。また、n5、n6及びn7が20を越えると、この化合物をDFRに用いた場合に、相対的にDFR中の二重結合濃度が低くなるので、充分な感度が得られない。
【0042】
一般式(III)で表される化合物の具体例としては、平均12モルのプロピレンオキサイドを付加したポリプロピレングリコ−ルにエチレンオキサイドをさらに両端にそれぞれ平均3モル付加したポリアルキレングリコ−ルのジメタクリレ−トがある。
一般式(IV)で表される化合物においてn8及びn9は15を超えると充分な感度がでなくなる。一般式(IV)で表される化合物としては、例えば、ヘキサメチレンジイソシアネ−ト、トリレンジイソシアネ−ト又は2,2,4,−トリメチルヘキサメチレンジイソシアネ−ト等のジイソシアネ−ト化合物と、一分子中にヒドロキシル基と(メタ)アクリル基を有する化合物(2−ヒドロキシプロピルアクリレ−ト、オリゴプロピレングリコ−ルモノメタクリレ−ト等)とのウレタン化合物等がある。具体的にはヘキサメチレンジイソシアネ−トとオリゴプロピレングリコ−ルモノメタクリレ−ト(日本油脂(株)製ブレンマ−PP1000)との反応物がある。
【0043】
(b)光重合可能な不飽和化合物として下記に示される光重合可能な不飽和化合物を同時に併用することもできる。それらの化合物としては、例えば、1、6−ヘキサンジオ−ルジ(メタ)アクリレ−ト、1、4−シクロヘキサンジオ−ルジ(メタ)アクリレ−ト、またポリプロピレングリコ−ルジ(メタ)アクリレ−ト、ポリエチレングリコ−ルジ(メタ)アクリレ−ト、2−ジ(p−ヒドロキシフェニル)プロパンジ(メタ)アクリレ−ト、グリセロ−ルトリ(メタ)アクリレ−ト、トリメチロ−ルプロパントリ(メタ)アクリレ−ト、ポリオキシプロピルトリメチロ−ルプロパントリ(メタ)アクリレ−ト、ポリオキシエチルトリメチロ−ルプロパントリアクリレ−ト、ペンタエリスリト−ルテトラ(メタ)アクリレ−ト、ジペンタエリスリト−ルペンタ(メタ)アクリレ−ト、トリメチロ−ルプロパントリグリシジルエ−テルトリ(メタ)アクリレ−ト、ビスフェノ−ルAジグリシジルエ−テルジ(メタ)アクリレ−ト及び、β−ヒドロキシプロピル−β’−(アクリロイルキシ)プロピルフタレ−ト、フェノキシポリエチレングリコ−ルアクリレ−ト、4−ノルマルノニルフェノキシポリエチレングリコ−ル(メタ)アクリレート、4−ノルマルノニルフェノキシポリエチレングリコ−ルポリプロピレングリコ−ル(メタ)アクリレ−ト等の単官能モノマ−があげられる。
【0044】
一般式(I)で表される化合物を含む光重合可能な不飽和化合物の、感光性樹脂組成物全体に対する割合は、9〜79質量%の範囲である。9質量%未満では感度の点で充分ではなく、79質量%を越えると保存時の光重合性層のはみ出しが著しくなるため好ましくない。好ましくは10〜60質量%、より好ましくは15〜55質量%である。
一般式(I)で表される化合物と、一般式(III)及び(IV)で表される化合物からなる群から選ばれる少なくとも一種が含有されている場合においても、さらに、一般式(III)及び(IV)で表される化合物からなる群から選ばれる光重合可能な不飽和化合物以外の光重合可能な不飽和化合物を含有させた場合においても、感光性樹脂組成物全体に対する光重合可能な不飽和化合物の割合は9〜79質量%であり、好ましくは10〜60質量%である。
【0045】
本発明に用いられる光重合開始剤(c)としては、N−アリ−ル−α−アミノ酸化合物を含むことが必須である。N−アリ−ル−α−アミノ酸化合物としては、N−フェニルグリシン、N−メチル−N−フェニルグリシン、N−エチル−N−フェニルグリシン、N−(n−プロピル)−N−フェニルグリシン、N−(n−ブチル)−フェニルグリシン、N−(2−メトキシエチル)−N−フェニルグリシン、N−メチル−N−フェニルアラニン、N−エチル−N−フェニルアラニン、N−(n−プロピル)−N−フェニルアラニン、N−(n−ブチル)−N−フェニルアラニン、N−メチル−N−フェニルバリン、N−メチル−N−フェニルロイシン、N−メチル−N−(p−トリル)グリシン、N−エチル−N−(p−トリル)グリシン、N−(n−プロピル)−N−(p−トリル)グリシン、N−(n−ブチル)−N−(p−トリル)グリシン、N−メチル−N−(p−クロロフェニル)グリシン、N−エチル−N−(p−クロロフェニル)グリシン、N−(n−プロピル)−N−(p−クロロフェニル)グリシン、N−(n−ブチル)−N−(p−クロロフェニル)グリシン、N−メチル−N−(p−ブロモフェニル)グリシン、N−エチル−N−(p−ブロモフェニル)グリシン、N−(n−プロピル)−N−(p−ブロモフェニル)グリシン、N−(n−ブチル)−N−(p−ブロモフェニル)グリシン、N,N’−ジフェニルグリシン、N−(p−クロロフェニル)グリシン、N−(p−ブロモフェニル)グリシン、N−(o−クロロフェニル)グリシン等が挙げられる。特に、N−フェニルグリシンが好ましい。
【0046】
N−アリ−ル−α−アミノ酸化合物の感光性樹脂組成物全体に対する割合は、0.005〜0.5質量%の範囲である。0.005質量%未満では感度が充分ではなく、0.5質量%を超えると密着性が悪化する。好ましくは0.01〜0.3質量%であり、より好ましくは0.01〜0.1質量%である。また、本発明の効果をより効果的に発揮させるためには下記一般式(V)で表される光重合開始剤を含有させることは好ましい事である。
【0047】
【化14】
【0048】
(式中、X、Y及びZは水素、アルキル基、アルコキシ基及びハロゲン基のいずれかを表し、p、q及びrは1〜5の整数である。)
【0049】
一般式(V)で表される化合物においては、2個のロフィン基を結合する共有結合は1,1’−、1,2’−、1,4’−、2,2’−、2,4’−又は4,4’−位についているが、1,2’−位に2個のロフィン基を結合する共有結合がついている化合物が好ましい。2,4,5−トリアリ−ルイミダゾ−ル二量体には、例えば、2−(O−クロロフェニル)−4,5−ジフェニルイミダゾ−ル二量体、2−(O−クロロフェニル)−4,5−ビス−(m−メトキシフェニル)イミダゾ−ル二量体、2−(p−メトシキフェニル)−4,5−ジフェニルイミダゾ−ル二量体等がある。特に、2−(O−クロロフェニル)−4,5−ジフェニルイミダゾ−ル二量体が好ましい。
【0050】
一般式(V)である2,4,5−トリアリ−ルイミダゾ−ル二量体とp−アミノフェニルケトンを併用する系は好ましく、p−アミノフェニルケトンとしては例えば、p−アミノベンゾフェノン、p−ブチルアミノフェノン、p−ジメチルアミノアセトフェノン、p−ジメチルアミノベンゾフェノン、p,p’−ビス(エチルアミノ)ベンゾフェノン、p,p’−ビス(ジメチルアミノ)ベンゾフェノン[ミヒラーズケトン]、p,p’−ビス(ジエチルアミノ)ベンゾフェノン、p,p’−ビス(ジブチルアミノ)ベンゾフェノン等があげられる。
【0051】
上記で示された化合物以外に、他の光重合開始剤との併用も可能である。ここでの光重合開始剤とは、各種の活性光線、例えば紫外線等により活性化された重合を開始する公知の化合物である。例えば、2−エチルアントラキノン、2−tert−ブチルアントラキノン等のキノン類、ベンゾフェノン等の芳香族ケトン類、ベンゾイン、ベンゾインメチルエーテル、ベンゾインエチルエーテル等のベンゾインエーテル類、ベンジルジメチルケタ−ル、ベンジルジエチルケタ−ル等がある。また例えばチオキサントン、2,4−ジエチルチオキサントン、2−クロロチオキサントン等のチオキサントン類と、ジメチルアミノ安息香酸アルキルエステル化合物等の三級アミン化合物との組み合わせもある。また例えば9−フェニルアクリジン等のアクリジン類、1−フェニル−1、2−プロパンジオン−2−ο−ベンゾイルオキシム、1−フェニル−1、2−プロパンジオン−2−(ο−エトキシカルボニル)オキシム等のオキシムエステル類等がある。
【0052】
一般式(V)で表される2,4,5−トリアリ−ルイミダゾ−ル二量体の感光性樹脂組成物全体に対する割合は0.1〜10質量%であり、好ましくは、0.5〜5質量%である。2,4,5−トリアリ−ルイミダゾ−ル二量体が10質量%を超えると、露光時にマスクを通した光の回折によるかぶりが発生しやすくなり、その結果として解像性が悪化しやすくなる傾向がある。また、光重合開始剤の量が0.1質量%未満では充分な感度がでにくくなる傾向がある。
【0053】
本発明の感光性樹脂組成物には、下記一般式(II)で表される(d)塩基性染料を必須成分として含む。
【0054】
【化15】
【0055】
(式中、R3はCH3又はC2H5であり、これらは同一でも異なっていてもよい。)
【0056】
一般式(II)で表される化合物においては、R3がすべてC2H5であるダイアモンドグリ−ン(保土ヶ谷化学(株)製AIZEN DIAMOND GREEN GH)が好ましい。光重合可能な不飽和化合物との組み合わせによっては、ダイモンドグリ−ンは他の塩基性染料、例えばマラカイトグリ−ン(保土ヶ谷化学(株)製AIZEN MALACHITE GREEN)と比較して感度が高いという特徴がある。
【0057】
一般式(II)で表される(d)塩基性染料の感光性樹脂組成物全体に対する割合は、0.005〜0.5質量%の範囲であり、好ましくは0.01〜0.3質量%、より好ましくは0.01〜0.1質量%である。
一般式(II)で表される(d)塩基性染料の感光性樹脂組成物全体に対する割合が、0.005質量%未満であると充分な感度が発現せず、0.5質量%を超えると感光性樹脂組成物とした場合、組成物中の他の成分への溶解性が悪化する。
【0058】
また、光照射により発色する発色系染料を本発明の感光性樹脂組成物に含有させることもできる。発色系染料としては、ロイコ染料又はフルオラン染料と、ハロゲン化合物の組み合わせがある。ロイコ染料としては、例えば、トリス(4ージメチルアミノ−2−メチルフェニル)メタン[ロイコクリスタルバイオレット]、トリス(4−ジメチルアミノ−2−メチルフェニル)メタン[ロイコマラカイトグリ−ン]等が挙げられる。ハロゲン化合物としては、臭化アミル、臭化イソアミル、臭化イソブチレン、臭化エチレン、臭化ジフェニルメチル、臭化ベンザル、臭化メチレン、トリブロモメチルフェニルスルフォン、四臭化炭素、トリス(2、3−ジブロモプロピル)ホスフェ−ト、トリクロロアセトアミド、ヨウ化アミル、ヨウ化イソブチル、1、1、1−トリクロロ−2、2−ビス(p−クロロフェニル)エタン、ヘキサクロロエタン、トリアジン化合物等が挙げられる。トリアジン化合物としては、例えば、2、4、6−トリス(トリクロロメチル)−s−トリアジン、2−(4−メトキシフェニル)−4、6−ビス(トリクロロメチル)−s−トリアジン等が挙げられる。
このような発色系染料の中でも、トリブロモメチルフェニルスルフォンとロイコ染料との組み合わせや、トリアジン化合物とロイコ染料との組み合わせが有用である。
【0059】
本発明の感光性樹脂組成物の熱安定性、保存安定性を向上させるために、感光性樹脂組成物にラジカル重合禁止剤を含有させることは本発明の好ましい実施形態である。このようなラジカル重合禁止剤としては、例えば、p−メトキシフェノ−ル、ハイドロキノン、ピロガロ−ル、ナフチルアミン、tert−ブチルカテコ−ル、塩化第一銅、2、6ージ−tert−ブチル−p−クレゾ−ル、2、2’−メチレンビス(4−エチル−6−tert−ブチルフェノ−ル)、2、2’−メチレンビス(4−メチル−6−tert−ブチルフェノ−ル)、ニトロソフェニルヒドロキシアミンアルミニウム塩、ジフェニルニトロソアミン等が挙げられる。
【0060】
本発明の感光性組成物に必要に応じて可塑剤等の添加剤を含有させることもできる。そのような添加剤としては、例えば、ジエチルフタレ−ト等のフタル酸エステル類やp−トルエンスルホンアミド、ポリプロピレングリコ−ル、ポリエチレングリコ−ルモノアルキルエ−テル等が挙げられる。
DFR用の感光性樹脂積層体とする場合には、上記感光性樹脂組成物を支持層上に塗工する。支持層としては、活性光を透過する透明なものが望ましい。活性光を透過する支持層としては、ポリエチレンテレフタレ−トフィルム、ポリビニルアルコ−ルフィルム、ポリ塩化ビニルフィルム、塩化ビニル共重合体フィルム、ポリ塩化ビニリデンフィルム、塩化ビニリデン共重合体フィルム、ポリメタクリル酸メチル共重合体フィルム、ポリスチレンフィルム、ポリアクリロニトリルフィルム、スチレン共重合体フィルム、ポリアミドフィルム、セルロース誘導体フィルム等が挙げられる。これらのフィルムは必要に応じ延伸されたものも使用可能である。また、支持層のヘ−ズは5.0以下であるものが好ましい。厚みは薄い方が画像形成性、経済性の面で有利であるが、強度を維持する必要から10〜30μmのものが一般的である。
【0061】
支持体層と積層した感光層の反対側の表面に、必要に応じて保護層を積層する。支持層よりも保護層の方が感光層との密着力が充分小さく容易に剥離できることがこの保護層としての重要な特性である。このような保護層としては、例えば、ポリエチレンフィルム、ポリプロピレンフィルム等が挙げられる。
感光層の厚みは用途において異なるが、プリント回路板作製用には5〜100μm、好ましくは、5〜50μmであり、感光層が薄いほど解像力は向上する。また、感光層が厚いほど膜強度が向上する。
【0062】
この感光性樹脂積層体を用いたプリント回路板の作成工程は公知の技術により行われるが、以下に簡単に述べる。
保護層がある場合は、まず保護層を剥離した後、感光層をプリント回路板用基板の金属表面に加熱圧着し積層する。この時の加熱温度は、一般的に40〜160℃である。必要に応じて、支持層を剥離しマスクフィルムを通して活性光により画像露光する。続いて、感光層上に支持フィルムがある場合には、必要に応じてこれを除き、アルカリ水溶液を用いて感光層の未露光部を現像除去する。アルカリ水溶液としては、炭酸ナトリウム、炭酸カリウム等の水溶液を用いる。これらのアルカリ水溶液は、感光層の特性に合わせて選択されるが、一般的に0.5〜3質量%の炭酸ナトリウム水溶液が用いられる。
【0063】
現像により露出した金属面に、既知のエッチング法又はめっき法のいずれかの方法を行うことにより、金属の画像パターンを形成する。その後、一般的に現像で用いたアルカリ水溶液よりも更に強いアルカリ性の水溶液により、硬化レジスト画像を剥離する。剥離用のアルカリ水溶液についても制限はないが、1〜5質量%の水酸化ナトリウム、水酸化カリウムの水溶液が一般的に用いられる。また、現像液や剥離液に少量の水溶性有機溶媒を加える事も可能である。
【0064】
【実施例1〜8及び比較例1〜3】
以下、本発明について具体的に説明する。
表1に示された組成(実施例1の欄)の化合物を均一に溶解した。次にこの混合溶液を厚さ20μmの支持層であるポリエチレンテレフタレ−トフィルムにバ−コ−タ−を用いて均一に塗布し、95℃の乾燥機中で4分間乾燥した。この時の感光層の厚さは40μmであった。ポリエチレンテレフタレ−トフィルムを積層していない感光層の表面上に25μmの保護層であるポリエチレンフィルムを張り合わせ感光性樹脂積層体を得た。一方、35μm圧延銅箔を積層した銅張積層板表面を湿式バフロ−ル研磨(スリーエム(株)製、商品名スコッチブライト(登録商標)#600、2連)し、この感光性樹脂積層体のポリエチレンフィルムを剥しながら感光層をホットロ−ルラミネ−タ−により105℃でラミネ−トした。この積層体にマスクフィルムを通して、超高圧水銀ランプ((株)オ−ク製作所製HMW−201KB)により40mJ/cm2で感光層を露光した。続いてポリエチレンテレフタレ−トフィルムを剥離した後、30℃の1質量%の炭酸ナトリウム水溶液を約45秒間スプレ−し、未露光部分を溶解除去したところ、良好な硬化画像を得た。
【0065】
本発明の感光性樹脂組成物を用いた積層体について以下の評価を行った。
(1)感度試験
銅張積層板にラミネ−トされた積層体にスト−ファ−製21段ステップタブレットを通して超高圧水銀ランプ((株)オ−ク製作所製HMW−201KB)により40mJ/cm2で露光した。続いて、ポリエチレンテレフタレ−トフィルムを剥離した後、30℃の1質量%の炭酸ナトリウム水溶液を約45秒間スプレ−した。得られた硬化レジストの最高の残膜段数を感度とした。
【0066】
(2)解像度
銅張積層板にラミネ−トされた積層体にラインとスペ−スが1:1であるマスクフィルムを通して超高圧水銀ランプ((株)オ−ク製作所製HMW−201KB)により40mJ/cm2で露光した。続いて、ポリエチレンテレフタレ−トフィルムを剥離した後、30℃の1質量%の炭酸ナトリウム水溶液を約45秒間スプレ−した。得られた画像の、分離し得る最小線幅を解像度とした。
【0067】
(3)テンティング性試験
1008穴の6mm径スルーホールを有する銅張り積層板にラミネ−トされた積層体に、超高圧水銀ランプ((株)オ−ク製作所製HMW−201KB)により40mJ/cm2で露光した。続いて、ポリエチレンテレフタレ−トフィルムを剥離した後、30℃の1質量%の炭酸ナトリウム水溶液を約45秒間スプレ−した。その後、過酷評価として、水洗槽で0.3MPaの圧力で30秒間スプレ−し、膜破れ数をカウントし、膜破れ率を下記式に従って算出した。
膜破れ率(%)=(膜破れ数/1008穴)×100
膜破れ率から下記ランクによりテンティング性を評価した。
(テンティング性ランク)
◎:膜破れ率が0%である。
○:膜破れが生じ、膜破れ率が1.0%未満である。
△:膜破れ率が1.0%以上3.0%未満である。
×:膜破れ率が3.0%以上である。
【0068】
(4)耐めっき性試験
ライン:スペ−スが75μm:75μmであるパターンマスクを通して、超高圧水銀ランプ((株)オ−ク製作所製HMW−201KB)により40mJ/cm2で露光した。続いて、ポリエチレンテレフタレ−トフィルムを剥離した後、30℃の1質量%の炭酸ナトリウム水溶液を約45秒間スプレ−した。硬化画像が得られた積層体に、下記に示す条件により硫酸銅めっきを行い、50℃、3質量%苛性ソ−ダ水溶液をスプレ−することににより、硬化レジストを剥離した。レジスト剥離後の硫酸銅めっきラインを光学顕微鏡で観察し、耐めっき性を以下のようにランク付けした。
【0069】
(めっき条件)
前処理:酸性脱脂FRX(10質量%水溶液、アトテックジャパン(株)製)浴に40℃で4分間浸せきする。その後水洗し、APS水溶液(過硫酸アンモニウム水溶液、濃度200g/L)に室温で1分間浸漬し、水洗後10質量%硫酸水溶液に室温で2分間浸せきする。
硫酸銅めっき:下記のめっき浴組成で2.0A/dm2の電流密度で室温で50分間めっきを行った。
【0070】
(硫酸銅めっき浴組成)
純水 :58.9%
硫酸銅コンク(メルテックス(株)製) :30%
濃硫酸 :10%
濃塩酸 :0.1%
カッパ−クリ−ム125(メルテックス(株)製):1%
【0071】
(耐めっき性ランク)
○:硫酸銅めっきのもぐりがなく良好なめっきラインを形成している。
△:硫酸銅めっきのもぐり幅がライン片側で5μm未満である。
×:硫酸銅めっきのもぐり幅がライン片側で5μm以上ある。
【0072】
実施例2〜8及び比較例1〜3についても、実施例1と同様の方法により、表1記載の組成の感光性樹脂積層体を得、感度試験、解像度、テンティング性試験、耐めっき性試験を行った。
結果をまとめて表1に示す。
<記号説明>
P−1:メタクリル酸メチル65質量%、メタクリル酸25質量%、アクリル酸ブチル10質量%の三元共重合体のメチルエチルケトン溶液(固形分濃度35%、重量平均分子量7万、酸当量344)
P−2:メタクリル酸メチル67質量%、メタクリル酸23質量%、アクリル酸ブチル10質量%の三元共重合体のメチルエチルケトン溶液(固形分濃度25%、重量平均分子量20万、酸当量374)
Q−1:メタクリル酸メチル50質量%、メタクリル酸25質量%、スチレン25質量%の三元共重合体のメチルチルケトン溶液(固形分濃度35%、重量平均分子量5万、酸当量344)
【0073】
M−1:ビスフェノ−ルAの両端にそれぞれ平均2モルのプロピレンオキサイドと平均6モルのエチレンオキサイドを付加したポリアルキレングリコ−ルのジメタクリレート
M−2:ビスフェノ−ルAの両端にそれぞれ平均5モルのエチレンオキサイドを付加したポリエチレングリコ−ルのジメタクリレ−ト(新中村化学工業(株)製NKエスエルBPE−500)
M−3:平均12モルのプロピレンオキサイドからなるポリプロピレングリコ−ルにエチレンオキサイドを両端にそれぞれ平均3モル付加したポリアルキレングリコ−ルのジメタクリレ−ト
M−4:ヘキサメチレンジイソシアネ−トとオリゴプロピレングリコ−ルモノメタクリレ−ト(日本油脂(株)製ブレンマ−PP1000)との反応物
M−5:4−ノルマルノニルフェノキシヘプタエチレングリコ−ルジプロピレングリコ−ルアクリレート
M−6:4−ノルマルノニルフェノキシオクタエチレングリコールアクリレ−ト(東亞合成(株)製M−114)
M−7:トリメチロ−ルプロパントリアクリレ−ト
M−8:トリオキシエチルトリメチロ−ルプロパントリアクリレ−ト(新中村化学工業(株)製NKエステルA−TMPT−3EO)
M−9:ノナエチレングリコ−ルジアクリレ−ト
M−10:β−ヒドロキシプロピル−β’−(アクリロイルキシ)プロピルフタレ−ト
【0074】
A−1:N−フェニルグリシン
A−2:4,4’−ビス(ジエチルアミノ)ベンゾフェノン
A−3:2−(o−クロロフェニル)−4、5−ジフェニルイミダゾ−ル二量体
B−1:マラカイトグリ−ン(保土ヶ谷化学(株)製AIZEN MALACHITE GREEN)
B−2:ダイアモンドグリ−ン(保土ヶ谷化学(株)製AIZEN DIAMOND GREEN GH)
B−3:ロイコクリスタルバイオレット
【0075】
【表1】
【0076】
【発明の効果】
本発明の感光性樹脂組成物は、露光時の感度及び現像後のレジストパターンの解像性に優れるとともに、テンティング用では膜破れのない強靭な硬化膜を有し、耐めっき性が良好な効果を有しており、本発明の感光性樹脂組成物を用いたDFRは、アルカリ現像型プリント回路板、リ−ドフレ−ム、半導体パッケ−ジ製造用DFRとして有用である。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a photosensitive resin composition and a photosensitive resin laminate, and more specifically, an alkali-developable photosensitive resin composition suitable for production of printed circuit boards, lead frames, semiconductor packages, and the like, and photosensitive properties. The present invention relates to a photosensitive resin laminate comprising a resin composition and a method for producing a resist pattern using the same.
[0002]
[Prior art]
Conventionally, as a resist for producing a printed circuit board, a lead frame, and a semiconductor package substrate, a photosensitive resin laminate composed of a support layer and a photosensitive resin layer, so-called dry film resist (hereinafter abbreviated as DFR) has been used. It has been. The DFR is generally prepared by laminating a photosensitive resin composition on a support layer that is a support layer, and in many cases, further laminating a protective layer on the photosensitive resin composition. As the photosensitive resin layer used, an alkali developing type using a weak alkaline aqueous solution as a developing solution is generally used.
[0003]
In order to produce a printed circuit board using DFR, the following method is generally used. First, the protective film is peeled off, a photosensitive resin layer is laminated using a laminator or the like on a substrate for permanent circuit creation such as a copper clad laminate, and exposure is performed through a mask film of a wiring pattern. The support layer is peeled off, and the photosensitive composition in the unexposed portion is dissolved or dispersed and removed with a developer, thereby forming a resist pattern made of a cured resist on the substrate. Next, using the formed resist pattern as a mask, the metal surface of the substrate is treated by etching or plating, and the resist pattern is peeled off using an alkaline aqueous solution stronger than the developer to form a printed wiring board, etc. It is a method to do.
[0004]
Recently, a so-called tenting method in which a through-hole (through-hole) is covered with a cured film and then etched is used for the simplicity of the process. For the etching, cupric chloride, ferric chloride, a copper ammonia complex solution, or the like is used.
With the recent miniaturization of printed wiring boards, high resolution of the photosensitive resin is required, and from the viewpoint of productivity, improvement of the sensitivity of the photosensitive resin is required to shorten the exposure time.
For tenting applications, it is desired that the cured film covering the through-hole is strong and has good tenting properties without tearing, and good plating resistance for plating and semi-additive methods for manufacturing semiconductor packages. .
[0005]
[Problems to be solved by the invention]
An object of the present invention is to provide a photosensitive resin composition that has excellent sensitivity at the time of exposure and resolution of a resist pattern after development, and has a tough cured film that is not torn for tenting and has good plating resistance. A photosensitive resin laminate comprising the photosensitive resin composition, and a method for producing a resist pattern using the same.
[0006]
[Means for Solving the Problems]
As a result of intensive studies to solve the above problems, it was found that the above problems can be solved by using a specific photosensitive resin composition for DFR, and the present invention has been completed.
That is, the present invention is as follows.
(1) (a) Resin for binder consisting of a linear polymer having a carboxyl group content of 100 to 600 in terms of acid equivalent and a weight average molecular weight of 20,000 to 500,000, 20 to 90% by mass, (b ) Photopolymerizable unsaturated compound containing a compound represented by the following general formula (I), 9 to 79% by mass, (c) N-aryl-α-amino acid compound as a photopolymerization initiator, 0.005 A photosensitive resin composition comprising -0.5% by mass, (d) a basic dye represented by the following general formula (II), and 0.005-0.5% by mass.
[0007]
[Chemical 6]
[0008]
(Wherein R 1 , R 2 Is H or CH Three And these may be the same or different and A is C 2 H Four , B is C Three H 6 , N 1 + N 2 Is an integer from 2 to 30, n Three + N Four Is an integer from 0 to 30, n 1 , N 2 Is an integer from 1 to 29, n Three , N Four Is an integer from 0 to 29. The arrangement of the repeating units of-(A-O)-and-(B-O)-may be random or block. )
[0009]
[Chemical 7]
[0010]
(Wherein R Three Is CH Three Or C 2 H Five These may be the same or different. )
[0011]
(2) (c) The photosensitive resin composition according to (1), wherein the N-aryl-α-amino acid compound is N-phenylglycine.
(3) (b) The photopolymerizable unsaturated compound further contains at least one selected from the group consisting of compounds represented by the following general formulas (III) and (IV): (1) or the photosensitive resin composition as described in (2).
[0012]
[Chemical 8]
[0013]
(Wherein R Four , R Five Is H or CH Three These may be the same or different and n Five , N 6 And n 7 Is an integer of 3-20. )
[0014]
[Chemical 9]
[0015]
(Wherein R 6 Is a diisocyanate residue having 4 to 12 carbon atoms, R 7 , R 8 Is H or CH Three These may be the same or different and n 8 And n 9 Is an integer from 1 to 15. )
[0016]
(4) (c) As a photopolymerization initiator, 2,4,5-triarylimidazole dimer represented by the following general formula (V) is further added to the photosensitive resin composition in an amount of 0.1. The photosensitive resin composition according to (1), (2), or (3), which is contained in an amount of 10 to 10% by mass.
[0017]
[Chemical Formula 10]
[0018]
(In the formula, X, Y, and Z represent hydrogen, an alkyl group, an alkoxy group, or a halogen group, and p, q, and r are integers of 1 to 5.)
[0019]
(5) (a) As a binder resin, (i) a non-acidic compound having a polymerizable unsaturated group and a phenyl group in the molecule, and (ii) a carboxylic acid having a polymerizable unsaturated group in the molecule. Or an acid anhydride and (iii) an alkyl (meth) acrylate having an alkyl group having 1 to 6 carbon atoms, a hydroxy (meth) acrylate having a hydroxyalkyl group having 2 to 6 carbon atoms, and a cyano group (meta ) Copolymerized components (i) to (iii) of at least one compound selected from acrylates, the carboxyl group content is 100 to 600 in terms of acid equivalent, and the weight average molecular weight is 30,000 to 9 The photosensitive resin composition according to any one of (1) to (4), wherein the binder resin Q made of tens of linear polymers is included.
[0020]
(6) The photosensitive resin laminated body which provided the layer which consists of the photosensitive resin composition in any one of (1)-(5) on the support body.
(7) A method for forming a resist pattern in which a photosensitive resin layer is formed on a substrate using the photosensitive resin laminate according to (6), exposed, and developed.
[0021]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the present invention will be described in detail.
The amount of the carboxyl group contained in the linear polymer constituting the (a) binder resin used in the present invention needs to be 100 to 600, preferably 300 to 400, in terms of acid equivalent. An acid equivalent means the mass of the linear polymer which has a 1 equivalent carboxyl group in it. The carboxyl group in the linear polymer is necessary for providing the photosensitive resin layer with developability and releasability with respect to an aqueous alkali solution. When the acid equivalent is less than 100, the development resistance is lowered, adversely affecting the resolution and adhesion, and when it exceeds 600, the developability and the peelability are lowered.
[0022]
The molecular weight of the linear polymer constituting the binder resin (a) used in the present invention needs to be 2 to 500,000. When the molecular weight of the linear polymer exceeds 500,000, the developability decreases. When the molecular weight is less than 20,000, the tenting film strength decreases, and the edge fuse (the photopolymerizable layer protrudes during storage) becomes remarkable.
The molecular weight of the linear polymer is preferably 20,000 to 300,000 in order to achieve the effects of the present invention better.
[0023]
The acid equivalent is measured by a potentiometric titration method using a Hiranuma automatic titration apparatus (COM-555) manufactured by Hiranuma Sangyo Co., Ltd. and 0.1 mol / L sodium hydroxide. The molecular weight is gel permeation chromatography (GPC) manufactured by JASCO Corporation (pump: Gulliver, PU-1580 type, column: Shodex manufactured by Showa Denko KK (KF-807, KF-806M, KF-806M). , KF-802.5) 4 in series, moving bed solvent: tetrahydrofuran, using a calibration curve based on polystyrene standard sample) to obtain the weight average molecular weight (polystyrene conversion).
[0024]
(A) The linear polymer constituting the binder resin is obtained by copolymerizing one or more monomers from the following two types of monomers.
The first monomer is a carboxylic acid or acid anhydride having one polymerizable unsaturated group in the molecule. Examples include (meth) acrylic acid, fumaric acid, cinnamic acid, crotonic acid, itaconic acid, maleic anhydride, maleic acid half ester, and the like.
The second monomer is non-acidic, has one polymerizable unsaturated group in the molecule, has various developability of the photosensitive resin layer, resistance to etching and plating processes, flexibility of the cured film, etc. Chosen to retain the characteristics of For example, there are alkyl (meth) acrylates such as methyl (meth) acrylate, ethyl (meth) acrylate, butyl (meth) acrylate, 2-ethylhexyl (meth) acrylate and the like. A vinyl compound having a phenyl group (for example, styrene) can also be used.
[0025]
Among the effects of the present invention, in particular, it is preferable to use a linear polymer binder resin Q in (a) in order to achieve better resolution. The amount of the carboxyl group contained in the binder resin Q used in the present invention needs to be 100 to 600 in terms of acid equivalent, and preferably 300 to 400. The molecular weight of the binder resin Q needs to be 30,000 to 90,000. When the molecular weight of the resin Q for the binder exceeds 90,000, the effect on the resolution is not sufficient, and when it is less than 30,000, the tenting film strength and the edge fuse property are deteriorated.
[0026]
The binder resin Q is (i) a non-acidic compound having a polymerizable unsaturated group and a phenyl group in the molecule, (ii) a carboxylic acid or acid anhydride having a polymerizable unsaturated group in the molecule, And (iii) an alkyl (meth) acrylate having an alkyl group having 1 to 6 carbon atoms, a hydroxy (meth) acrylate having a hydroxyalkyl group having 2 to 6 carbon atoms, and a (meth) acrylate having a cyano group. It is obtained by copolymerizing components (i) to (iii) of at least one compound.
[0027]
The copolymer component (i) of the linear polymer used as the component of the binder resin Q is a non-acidic compound having a polymerizable unsaturated group and a phenyl group in the molecule. Examples of such a compound include styrene, methylstyrene, and styrene derivatives. In the present invention, styrene is preferable.
The copolymer component (ii) of the linear polymer used as the component of the binder resin Q is a carboxylic acid or acid anhydride having a polymerizable unsaturated group in the molecule. Examples of such compounds include acrylic acid, methacrylic acid, fumaric acid, cinnamic acid, crotonic acid, itaconic acid, maleic anhydride, maleic acid half ester, etc., and each may be used alone. Two or more kinds may be combined.
[0028]
The copolymer component (iii) of the linear polymer used as a component of the resin Q for the binder is an alkyl (meth) acrylate having an alkyl group having 1 to 6 carbon atoms and a hydroxyalkyl group having 2 to 6 carbon atoms. It is one or more compounds selected from the group consisting of hydroxy (meth) acrylate having and (meth) acrylate having a cyano group. Examples of such compounds include methyl (meth) acrylate, ethyl (meth) acrylate, n-propyl (meth) acrylate, iso-propyl (meth) acrylate, and n-butyl (meth) ) Acrylate, sec-butyl (meth) acrylate, tert-butyl (meth) acrylate, 2-hydroxyethyl (meth) acrylate, 2-hydroxypropyl (meth) acrylate, 2-ethylhexyl (Meth) acrylate, (meth) acrylonitrile and the like can be mentioned.
[0029]
(A) A binder resin is prepared by adding an appropriate amount of a radical polymerization initiator such as benzoyl peroxide or azoisobutyronitrile to a solution obtained by diluting a mixture of monomers with a solvent such as acetone, methyl ethyl ketone, or isopropanol. The synthesis is preferably carried out by stirring. In some cases, the synthesis is carried out while dropping a part of the mixture into the reaction solution. After completion of the reaction, a solvent may be further added to adjust to a desired concentration.
As synthesis means, bulk polymerization, suspension polymerization and emulsion polymerization may be used in addition to solution polymerization.
[0030]
The ratio of (a) binder resin used in the present invention to the entire photosensitive resin composition is in the range of 20 to 90% by mass, preferably 30 to 70% by mass. (A) When the ratio of the binder resin is less than 20% by mass and exceeds 90% by mass, the resist pattern formed by exposure and development has characteristics as a resist, such as tenting, etching, and the like. It does not have sufficient resistance in various plating processes.
[0031]
(B) The photopolymerizable unsaturated compound used in the present invention comprises a compound represented by the following general formula (I) as an essential component.
[0032]
Embedded image
[0033]
(Wherein R 1 , R 2 Is H or CH Three And these may be the same or different and A is C 2 H Four , B is C Three H 6 , N 1 + N 2 Is an integer from 2 to 30, n Three + N Four Is an integer from 0 to 30, n 1 , N 2 Is an integer from 1 to 29, n Three , N Four Is an integer from 0 to 29. The arrangement of the repeating units of-(A-O)-and-(B-O)-may be random or block. )
[0034]
In the compound represented by the general formula (I), n 1 + N 2 And n Three + N Four If this value exceeds 30, when this compound is used for DFR, the double bond concentration in DFR becomes relatively low, so that sufficient sensitivity cannot be obtained. n 1 + N 2 Is preferably 4-14, n Three + N Four Is preferably 0-14.
[0035]
Specific examples of the compound represented by the general formula (I) include dimethacrylate of polyalkylene glycol in which an average of 2 mol of propylene oxide and an average of 6 mol of ethylene oxide are added to both ends of bisphenol A, respectively. In addition, there is a polyethylene glycol dimethacrylate (NK ester BPE-500, manufactured by Shin-Nakamura Chemical Co., Ltd.) having an average of 5 moles of ethylene oxide added to both ends of bisphenol A.
[0036]
In addition, (b) the photopolymerizable unsaturated compound further contains at least one selected from the group consisting of compounds represented by the following general formulas (III) and (IV). This is a preferred embodiment.
[0037]
Embedded image
[0038]
(Wherein R Four , R Five Is H or CH Three These may be the same or different and n Five , N 6 And n 7 Is an integer of 3-20. )
[0039]
Embedded image
[0040]
(Wherein R 6 Is a diisocyanate residue having 4 to 12 carbon atoms, R 7 , R 8 Is H or CH Three These may be the same or different and n 8 And n 9 Is an integer from 1 to 15. )
[0041]
In the compound of the general formula (III) used in the present invention, n Five , N 6 And n 7 If it is smaller than 3, the boiling point of the compound decreases, the odor of the resist becomes strong, and the use becomes extremely difficult. N Five , N 6 And n 7 If this value exceeds 20, when this compound is used for DFR, the double bond concentration in DFR becomes relatively low, so that sufficient sensitivity cannot be obtained.
[0042]
Specific examples of the compound represented by the general formula (III) include a polyalkylene glycol dimethacrylate obtained by adding an average of 3 moles of ethylene oxide to both ends of polypropylene glycol to which an average of 12 moles of propylene oxide is added. There is
N in the compound represented by formula (IV) 8 And n 9 If it exceeds 15, sufficient sensitivity will not be obtained. Examples of the compound represented by the general formula (IV) include diisocyanates such as hexamethylene diisocyanate, tolylene diisocyanate or 2,2,4, -trimethylhexamethylene diisocyanate. Examples thereof include urethane compounds of compounds and compounds having a hydroxyl group and a (meth) acryl group in one molecule (such as 2-hydroxypropyl acrylate and oligopropylene glycol monomethacrylate). Specifically, there is a reaction product of hexamethylene diisocyanate and oligopropylene glycol monomethacrylate (Blemma PP1000 manufactured by NOF Corporation).
[0043]
(B) The photopolymerizable unsaturated compound shown below as a photopolymerizable unsaturated compound can be used in combination. Examples of these compounds include 1,6-hexanediol di (meth) acrylate, 1,4-cyclohexanediol di (meth) acrylate, polypropylene glycol di (meth) acrylate, and polyethylene. Glycol di (meth) acrylate, 2-di (p-hydroxyphenyl) propane di (meth) acrylate, glycerol tri (meth) acrylate, trimethylolpropane tri (meth) acrylate, polyoxypropyl Trimethylolpropane tri (meth) acrylate, polyoxyethyltrimethylolpropane triacrylate, pentaerythritol tetra (meth) acrylate, dipentaerythritol penta (meth) acrylate, Trimethylolpropane triglycidyl ether tertri (meth) acrylate Bisphenol A diglycidyl ether terdi (meth) acrylate and β-hydroxypropyl-β '-(acryloyloxy) propyl phthalate, phenoxypolyethylene glycol acrylate, 4-normal nonylphenoxypolyethylene glycol Examples thereof include monofunctional monomers such as (meth) acrylate and 4-normal nonylphenoxypolyethylene glycol polypropylene glycol (meth) acrylate.
[0044]
The ratio of the photopolymerizable unsaturated compound containing the compound represented by the general formula (I) to the entire photosensitive resin composition is in the range of 9 to 79% by mass. If it is less than 9% by mass, it is not sufficient in terms of sensitivity, and if it exceeds 79% by mass, the photopolymerizable layer protrudes during storage, which is not preferable. Preferably it is 10-60 mass%, More preferably, it is 15-55 mass%.
Even in the case where at least one selected from the group consisting of the compound represented by the general formula (I) and the compounds represented by the general formulas (III) and (IV) is contained, the general formula (III) And photopolymerizable unsaturated compound other than the photopolymerizable unsaturated compound selected from the group consisting of the compounds represented by (IV) can be photopolymerized with respect to the entire photosensitive resin composition. The proportion of the unsaturated compound is 9 to 79% by mass, preferably 10 to 60% by mass.
[0045]
The photopolymerization initiator (c) used in the present invention must contain an N-aryl-α-amino acid compound. Examples of N-aryl-α-amino acid compounds include N-phenylglycine, N-methyl-N-phenylglycine, N-ethyl-N-phenylglycine, N- (n-propyl) -N-phenylglycine, N -(N-butyl) -phenylglycine, N- (2-methoxyethyl) -N-phenylglycine, N-methyl-N-phenylalanine, N-ethyl-N-phenylalanine, N- (n-propyl) -N- Phenylalanine, N- (n-butyl) -N-phenylalanine, N-methyl-N-phenylvaline, N-methyl-N-phenylleucine, N-methyl-N- (p-tolyl) glycine, N-ethyl-N -(P-tolyl) glycine, N- (n-propyl) -N- (p-tolyl) glycine, N- (n-butyl) -N- (p-tolyl) glycine, N- Tyl-N- (p-chlorophenyl) glycine, N-ethyl-N- (p-chlorophenyl) glycine, N- (n-propyl) -N- (p-chlorophenyl) glycine, N- (n-butyl) -N -(P-chlorophenyl) glycine, N-methyl-N- (p-bromophenyl) glycine, N-ethyl-N- (p-bromophenyl) glycine, N- (n-propyl) -N- (p-bromo Phenyl) glycine, N- (n-butyl) -N- (p-bromophenyl) glycine, N, N′-diphenylglycine, N- (p-chlorophenyl) glycine, N- (p-bromophenyl) glycine, N -(O-chlorophenyl) glycine and the like can be mentioned. In particular, N-phenylglycine is preferable.
[0046]
The ratio of the N-aryl-α-amino acid compound to the entire photosensitive resin composition is in the range of 0.005 to 0.5 mass%. If the amount is less than 0.005% by mass, the sensitivity is not sufficient, and if it exceeds 0.5% by mass, the adhesion deteriorates. Preferably it is 0.01-0.3 mass%, More preferably, it is 0.01-0.1 mass%. Moreover, in order to exhibit the effect of this invention more effectively, it is preferable to contain the photoinitiator represented by the following general formula (V).
[0047]
Embedded image
[0048]
(In the formula, X, Y, and Z represent hydrogen, an alkyl group, an alkoxy group, or a halogen group, and p, q, and r are integers of 1 to 5.)
[0049]
In the compound represented by the general formula (V), the covalent bond for bonding two lophine groups is 1,1'-, 1,2'-, 1,4'-, 2,2'-, 2, A compound having a 4′- or 4,4′-position, but having a covalent bond that binds two lophine groups to the 1,2′-position is preferred. Examples of the 2,4,5-triarylimidazole dimer include 2- (O-chlorophenyl) -4,5-diphenylimidazole dimer, 2- (O-chlorophenyl) -4,5. -Bis- (m-methoxyphenyl) imidazole dimer, 2- (p-methoxyphenyl) -4,5-diphenylimidazole dimer, and the like. In particular, 2- (O-chlorophenyl) -4,5-diphenylimidazole dimer is preferable.
[0050]
A system in which 2,4,5-triarylimidazole dimer represented by the general formula (V) is combined with p-aminophenylketone is preferable. Examples of p-aminophenylketone include p-aminobenzophenone, p-aminophenylketone, and p-aminophenylketone. Butylaminophenone, p-dimethylaminoacetophenone, p-dimethylaminobenzophenone, p, p′-bis (ethylamino) benzophenone, p, p′-bis (dimethylamino) benzophenone [Michler's ketone], p, p′-bis ( Diethylamino) benzophenone, p, p′-bis (dibutylamino) benzophenone, and the like.
[0051]
In addition to the compounds shown above, it can be used in combination with other photopolymerization initiators. Here, the photopolymerization initiator is a known compound that initiates polymerization activated by various actinic rays such as ultraviolet rays. For example, quinones such as 2-ethylanthraquinone and 2-tert-butylanthraquinone, aromatic ketones such as benzophenone, benzoin ethers such as benzoin, benzoin methyl ether and benzoin ethyl ether, benzyldimethylketal, benzyldiethylketal -There are There are also combinations of thioxanthones such as thioxanthone, 2,4-diethylthioxanthone, 2-chlorothioxanthone and tertiary amine compounds such as dimethylaminobenzoic acid alkyl ester compounds. Further, for example, acridines such as 9-phenylacridine, 1-phenyl-1,2-propanedione-2-ο-benzoyloxime, 1-phenyl-1,2-propanedione-2- (ο-ethoxycarbonyl) oxime, etc. Oxime esters.
[0052]
The ratio of the 2,4,5-triary imidazole dimer represented by the general formula (V) to the entire photosensitive resin composition is 0.1 to 10% by mass, preferably 0.5 to 5% by mass. If the 2,4,5-triarylimidazole dimer exceeds 10% by mass, fog due to diffraction of light passing through the mask during exposure tends to occur, and as a result, resolution tends to deteriorate. Tend. Further, when the amount of the photopolymerization initiator is less than 0.1% by mass, sufficient sensitivity tends to be difficult to achieve.
[0053]
The photosensitive resin composition of the present invention contains (d) a basic dye represented by the following general formula (II) as an essential component.
[0054]
Embedded image
[0055]
(Wherein R Three Is CH Three Or C 2 H Five These may be the same or different. )
[0056]
In the compound represented by the general formula (II), R Three Is all C 2 H Five A diamond green (AIZEN DIAMOND GREEN GH manufactured by Hodogaya Chemical Co., Ltd.) is preferred. Depending on the combination with the photopolymerizable unsaturated compound, the diamond green is characterized by higher sensitivity than other basic dyes such as malachite green (AIZEN MALACHITE GREEN manufactured by Hodogaya Chemical Co., Ltd.). is there.
[0057]
The ratio of the basic dye (d) represented by the general formula (II) to the entire photosensitive resin composition is in the range of 0.005 to 0.5 mass%, preferably 0.01 to 0.3 mass. %, More preferably 0.01 to 0.1% by mass.
When the ratio of the basic dye (d) represented by the general formula (II) to the entire photosensitive resin composition is less than 0.005% by mass, sufficient sensitivity is not exhibited and exceeds 0.5% by mass. And the photosensitive resin composition, the solubility in other components in the composition is deteriorated.
[0058]
In addition, the photosensitive resin composition of the present invention can contain a coloring dye that develops color when irradiated with light. As the coloring dye, there is a combination of a leuco dye or a fluorane dye and a halogen compound. Examples of the leuco dye include tris (4-dimethylamino-2-methylphenyl) methane [leuco crystal violet], tris (4-dimethylamino-2-methylphenyl) methane [leucomalachite green], and the like. Examples of halogen compounds include amyl bromide, isoamyl bromide, isobutylene bromide, ethylene bromide, diphenylmethyl bromide, benzal bromide, methylene bromide, tribromomethylphenyl sulfone, carbon tetrabromide, tris (2, 3 -Dibromopropyl) phosphate, trichloroacetamide, amyl iodide, isobutyl iodide, 1,1,1-trichloro-2,2-bis (p-chlorophenyl) ethane, hexachloroethane, triazine compounds and the like. Examples of the triazine compound include 2,4,6-tris (trichloromethyl) -s-triazine, 2- (4-methoxyphenyl) -4,6-bis (trichloromethyl) -s-triazine, and the like.
Among such coloring dyes, a combination of tribromomethylphenylsulfone and a leuco dye or a combination of a triazine compound and a leuco dye is useful.
[0059]
In order to improve the thermal stability and storage stability of the photosensitive resin composition of the present invention, it is a preferred embodiment of the present invention to contain a radical polymerization inhibitor in the photosensitive resin composition. Examples of such radical polymerization inhibitors include p-methoxyphenol, hydroquinone, pyrogallol, naphthylamine, tert-butylcatechol, cuprous chloride, and 2,6-di-tert-butyl-p-. Cresol, 2,2'-methylenebis (4-ethyl-6-tert-butylphenol), 2,2'-methylenebis (4-methyl-6-tert-butylphenol), nitrosophenylhydroxyamine aluminum salt , Diphenylnitrosamine and the like.
[0060]
The photosensitive composition of the present invention can contain an additive such as a plasticizer as necessary. Examples of such additives include phthalic acid esters such as diethyl phthalate, p-toluenesulfonamide, polypropylene glycol, polyethylene glycol monoalkyl ether, and the like.
When it is set as the photosensitive resin laminated body for DFR, the said photosensitive resin composition is coated on a support layer. The support layer is preferably a transparent layer that transmits active light. Support layers that transmit active light include polyethylene terephthalate film, polyvinyl alcohol film, polyvinyl chloride film, vinyl chloride copolymer film, polyvinylidene chloride film, vinylidene chloride copolymer film, polymethyl methacrylate copolymer. Examples include a polymer film, a polystyrene film, a polyacrylonitrile film, a styrene copolymer film, a polyamide film, and a cellulose derivative film. These films can be stretched if necessary. The haze of the support layer is preferably 5.0 or less. A thinner thickness is more advantageous in terms of image forming properties and economy, but a thickness of 10 to 30 μm is common because it is necessary to maintain the strength.
[0061]
If necessary, a protective layer is laminated on the surface opposite to the photosensitive layer laminated with the support layer. An important characteristic of this protective layer is that the protective layer has a sufficiently small adhesion to the photosensitive layer and can be easily peeled off than the support layer. Examples of such a protective layer include a polyethylene film and a polypropylene film.
Although the thickness of the photosensitive layer varies depending on the application, it is 5 to 100 μm, preferably 5 to 50 μm for producing a printed circuit board. The thinner the photosensitive layer, the better the resolution. Also, the thicker the photosensitive layer, the better the film strength.
[0062]
A process for producing a printed circuit board using the photosensitive resin laminate is performed by a known technique, and will be briefly described below.
When there is a protective layer, the protective layer is first peeled off, and then the photosensitive layer is heat-pressed and laminated on the metal surface of the printed circuit board substrate. The heating temperature at this time is generally 40 to 160 ° C. If necessary, the support layer is peeled off and image exposure is performed with active light through a mask film. Subsequently, when there is a support film on the photosensitive layer, this is removed as necessary, and an unexposed portion of the photosensitive layer is developed and removed using an alkaline aqueous solution. An aqueous solution of sodium carbonate, potassium carbonate or the like is used as the alkaline aqueous solution. These alkaline aqueous solutions are selected according to the characteristics of the photosensitive layer, but generally 0.5 to 3% by mass of sodium carbonate aqueous solution is used.
[0063]
A metal image pattern is formed on the metal surface exposed by development by performing either a known etching method or a plating method. Thereafter, the cured resist image is peeled off with an alkaline aqueous solution which is generally stronger than the alkaline aqueous solution used in development. Although there is no restriction | limiting also about the aqueous alkali solution for peeling, The aqueous solution of 1-5 mass% sodium hydroxide and potassium hydroxide is generally used. It is also possible to add a small amount of a water-soluble organic solvent to the developer or stripper.
[0064]
Examples 1 to 8 and Comparative Examples 1 to 3
Hereinafter, the present invention will be specifically described.
The compound having the composition shown in Table 1 (column in Example 1) was uniformly dissolved. Next, this mixed solution was uniformly applied to a polyethylene terephthalate film as a support layer having a thickness of 20 μm using a bar coater and dried in a dryer at 95 ° C. for 4 minutes. At this time, the thickness of the photosensitive layer was 40 μm. A photosensitive resin laminate was obtained by laminating a polyethylene film as a protective layer of 25 μm on the surface of the photosensitive layer on which no polyethylene terephthalate film was laminated. On the other hand, the surface of the copper clad laminate on which 35 μm rolled copper foil was laminated was wet-flow-flour polished (manufactured by 3M Co., Ltd., trade name Scotch Bright (registered trademark) # 600, 2 series). The photosensitive layer was laminated at 105 ° C. with a hot roll laminator while peeling off the polyethylene film. 40 mJ / cm by passing a mask film through this laminate and using an ultra-high pressure mercury lamp (HMW-201KB manufactured by Oak Manufacturing Co., Ltd.) 2 To expose the photosensitive layer. Subsequently, the polyethylene terephthalate film was peeled off, and then a 1% by mass aqueous sodium carbonate solution at 30 ° C. was sprayed for about 45 seconds to dissolve and remove the unexposed portion, whereby a good cured image was obtained.
[0065]
The following evaluation was performed about the laminated body using the photosensitive resin composition of this invention.
(1) Sensitivity test
40 mJ / cm by a super high pressure mercury lamp (HMW-201KB, manufactured by Oak Manufacturing Co., Ltd.) through a 21-step tablet made by Strafer on a laminate laminated on a copper clad laminate. 2 And exposed. Subsequently, after the polyethylene terephthalate film was peeled off, a 1 mass% sodium carbonate aqueous solution at 30 ° C. was sprayed for about 45 seconds. The highest remaining film stage number of the obtained cured resist was defined as sensitivity.
[0066]
(2) Resolution
40 mJ / cm by super high pressure mercury lamp (HMW-201KB manufactured by Oak Manufacturing Co., Ltd.) through a mask film with a line and space of 1: 1 on a laminate laminated on a copper clad laminate. 2 And exposed. Subsequently, after the polyethylene terephthalate film was peeled off, a 1 mass% sodium carbonate aqueous solution at 30 ° C. was sprayed for about 45 seconds. The minimum line width that can be separated from the obtained image was defined as the resolution.
[0067]
(3) Tenting test
A laminated body laminated on a copper-clad laminate having a 6 mm diameter through hole with 1008 holes was applied to an ultrahigh pressure mercury lamp (HMW-201KB, manufactured by Oak Manufacturing Co., Ltd.) at 40 mJ / cm. 2 And exposed. Subsequently, after the polyethylene terephthalate film was peeled off, a 1 mass% sodium carbonate aqueous solution at 30 ° C. was sprayed for about 45 seconds. Then, as severe evaluation, it sprayed for 30 seconds with the pressure of 0.3 Mpa in the washing tank, the number of film | membrane tears was counted, and the film | membrane tear rate was computed according to the following formula.
Film tear rate (%) = (number of film tears / 1008 holes) × 100
The tenting property was evaluated from the film tear rate according to the following rank.
(Tenting rank)
A: The film tearing rate is 0%.
○: Film breakage occurs and the film breakage rate is less than 1.0%.
Δ: Film tear rate is 1.0% or more and less than 3.0%.
X: Film tearing rate is 3.0% or more.
[0068]
(4) Plating resistance test
Line: 40 mJ / cm by a super high pressure mercury lamp (HMW-201KB manufactured by Oak Manufacturing Co., Ltd.) through a pattern mask having a space of 75 μm: 75 μm. 2 And exposed. Subsequently, after the polyethylene terephthalate film was peeled off, a 1 mass% sodium carbonate aqueous solution at 30 ° C. was sprayed for about 45 seconds. The laminated body from which the cured image was obtained was subjected to copper sulfate plating under the conditions shown below, and the cured resist was peeled off by spraying at 50 ° C. and a 3% by mass aqueous caustic soda solution. The copper sulfate plating line after resist removal was observed with an optical microscope, and the plating resistance was ranked as follows.
[0069]
(Plating conditions)
Pretreatment: Immerse in an acidic degreased FRX (10 mass% aqueous solution, manufactured by Atotech Japan KK) bath at 40 ° C. for 4 minutes. Thereafter, it is washed with water, immersed in an APS aqueous solution (ammonium persulfate aqueous solution, concentration 200 g / L) for 1 minute at room temperature, then washed with water and immersed in a 10% by mass sulfuric acid aqueous solution at room temperature for 2 minutes.
Copper sulfate plating: 2.0 A / dm with the following plating bath composition 2 Plating was performed at room temperature for 50 minutes at a current density of.
[0070]
(Copper sulfate plating bath composition)
Pure water: 58.9%
Copper sulfate conch (Meltex Co., Ltd.): 30%
Concentrated sulfuric acid: 10%
Concentrated hydrochloric acid: 0.1%
Kappa Cream 125 (Meltex Co., Ltd.): 1%
[0071]
(Plating resistance rank)
○: There is no peeling of copper sulfate plating, and a good plating line is formed.
Δ: Bored width of copper sulfate plating is less than 5 μm on one side of the line.
X: Boring width of copper sulfate plating is 5 μm or more on one side of the line.
[0072]
For Examples 2 to 8 and Comparative Examples 1 to 3, a photosensitive resin laminate having the composition shown in Table 1 was obtained in the same manner as in Example 1, and the sensitivity test, resolution, tenting property test, plating resistance were obtained. A test was conducted.
The results are summarized in Table 1.
<Symbol explanation>
P-1: Methyl ethyl ketone solution of ternary copolymer of 65% by mass of methyl methacrylate, 25% by mass of methacrylic acid and 10% by mass of butyl acrylate (solid content concentration 35%, weight average molecular weight 70,000, acid equivalent 344)
P-2: Methyl ethyl ketone solution of ternary copolymer of methyl methacrylate 67 mass%, methacrylic acid 23 mass%, butyl acrylate 10 mass% (solid content concentration 25%, weight average molecular weight 200,000, acid equivalent 374)
Q-1: Methyl til ketone solution of a terpolymer of 50% by weight of methyl methacrylate, 25% by weight of methacrylic acid and 25% by weight of styrene (solid content concentration 35%, weight average molecular weight 50,000, acid equivalent 344)
[0073]
M-1: Polyalkylene glycol dimethacrylate in which an average of 2 mol of propylene oxide and an average of 6 mol of ethylene oxide are added to both ends of bisphenol A, respectively.
M-2: Polyethylene glycol dimethacrylate having an average of 5 moles of ethylene oxide added to both ends of bisphenol A (NK SEL BPE-500, Shin-Nakamura Chemical Co., Ltd.)
M-3: Polyalkylene glycol dimethacrylate obtained by adding an average of 3 moles of ethylene oxide to both ends of polypropylene glycol consisting of an average of 12 moles of propylene oxide
M-4: Reaction product of hexamethylene diisocyanate and oligopropylene glycol monomethacrylate (Blemma PP1000 manufactured by NOF Corporation)
M-5: 4-Normal nonylphenoxyheptaethylene glycol dipropylene glycol acrylate
M-6: 4-normal nonyl phenoxy octaethylene glycol acrylate (M-114 manufactured by Toagosei Co., Ltd.)
M-7: Trimethylolpropane triacrylate
M-8: Trioxyethyltrimethylolpropane triacrylate (NK ester A-TMPT-3EO manufactured by Shin-Nakamura Chemical Co., Ltd.)
M-9: Nonaethylene glycol diacrylate
M-10: β-hydroxypropyl-β ′-(acryloyloxy) propyl phthalate
[0074]
A-1: N-phenylglycine
A-2: 4,4′-bis (diethylamino) benzophenone
A-3: 2- (o-chlorophenyl) -4,5-diphenylimidazole dimer
B-1: Malachite Green (AIZEN MALACHITE GREEN manufactured by Hodogaya Chemical Co., Ltd.)
B-2: Diamond green (AIZEN DIAMOND GREEN GH manufactured by Hodogaya Chemical Co., Ltd.)
B-3: Leuco Crystal Violet
[0075]
[Table 1]
[0076]
【The invention's effect】
The photosensitive resin composition of the present invention is excellent in the sensitivity at the time of exposure and the resolution of the resist pattern after development, and has a tough cured film that does not break when used for tenting, and has good plating resistance. The DFR using the photosensitive resin composition of the present invention is useful as an alkali development type printed circuit board, a lead frame, and a DFR for manufacturing a semiconductor package.
Claims (7)
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JP2001383306A JP3957502B2 (en) | 2001-12-17 | 2001-12-17 | Photosensitive resin composition |
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JP2001383306A JP3957502B2 (en) | 2001-12-17 | 2001-12-17 | Photosensitive resin composition |
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JP3957502B2 true JP3957502B2 (en) | 2007-08-15 |
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Families Citing this family (5)
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JP2005031583A (en) * | 2003-07-11 | 2005-02-03 | Hitachi Chem Co Ltd | Photosensitive resin composition and method for manufacturing printed wiring board |
US20090233230A1 (en) * | 2005-07-22 | 2009-09-17 | Yosuke Hata | Photosensitive Resin Composition and Laminates |
JP5188391B2 (en) * | 2006-05-09 | 2013-04-24 | 旭化成イーマテリアルズ株式会社 | Photosensitive resin composition |
JP4883537B2 (en) * | 2006-08-04 | 2012-02-22 | 千代田ケミカル株式会社 | Photosensitive resin composition |
WO2014080834A1 (en) * | 2012-11-20 | 2014-05-30 | 日立化成株式会社 | Photosensitive resin composition, photosensitive element, method for forming resist pattern, and method for manufacturing printed wiring board |
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