KR100408906B1 - 제로전위단결정의수율을향상시키는방법 - Google Patents
제로전위단결정의수율을향상시키는방법 Download PDFInfo
- Publication number
- KR100408906B1 KR100408906B1 KR1019960021256A KR19960021256A KR100408906B1 KR 100408906 B1 KR100408906 B1 KR 100408906B1 KR 1019960021256 A KR1019960021256 A KR 1019960021256A KR 19960021256 A KR19960021256 A KR 19960021256A KR 100408906 B1 KR100408906 B1 KR 100408906B1
- Authority
- KR
- South Korea
- Prior art keywords
- crucible
- bottom wall
- sidewall structure
- semiconductor material
- silica
- Prior art date
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- 239000013078 crystal Substances 0.000 title claims abstract description 90
- 238000000034 method Methods 0.000 title claims abstract description 47
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 142
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 52
- 239000004065 semiconductor Substances 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 26
- 238000002231 Czochralski process Methods 0.000 claims abstract description 21
- 238000000151 deposition Methods 0.000 claims abstract description 15
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 11
- 230000023556 desulfurization Effects 0.000 claims abstract description 11
- 230000008021 deposition Effects 0.000 claims abstract description 9
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 8
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 8
- 238000004090 dissolution Methods 0.000 claims abstract description 7
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 50
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 46
- 229910052710 silicon Inorganic materials 0.000 claims description 46
- 239000010703 silicon Substances 0.000 claims description 46
- 229920005591 polysilicon Polymers 0.000 claims description 43
- 239000000155 melt Substances 0.000 claims description 23
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 22
- 235000012239 silicon dioxide Nutrition 0.000 claims description 13
- 229910052786 argon Inorganic materials 0.000 claims description 11
- 239000007789 gas Substances 0.000 claims description 11
- 230000007547 defect Effects 0.000 claims description 10
- 238000002844 melting Methods 0.000 claims description 9
- 230000008018 melting Effects 0.000 claims description 9
- 239000010419 fine particle Substances 0.000 claims description 7
- 229910002026 crystalline silica Inorganic materials 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 230000002950 deficient Effects 0.000 claims description 3
- 239000011859 microparticle Substances 0.000 claims description 3
- 230000001737 promoting effect Effects 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 3
- 238000005728 strengthening Methods 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 15
- 238000000576 coating method Methods 0.000 description 36
- 239000011248 coating agent Substances 0.000 description 33
- 239000000243 solution Substances 0.000 description 17
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 16
- RQPZNWPYLFFXCP-UHFFFAOYSA-L barium dihydroxide Chemical class [OH-].[OH-].[Ba+2] RQPZNWPYLFFXCP-UHFFFAOYSA-L 0.000 description 13
- 229910001863 barium hydroxide Inorganic materials 0.000 description 13
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 12
- 229910052788 barium Inorganic materials 0.000 description 12
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 12
- 150000001342 alkaline earth metals Chemical class 0.000 description 10
- 230000006911 nucleation Effects 0.000 description 10
- 238000010899 nucleation Methods 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- AYJRCSIUFZENHW-UHFFFAOYSA-L barium carbonate Chemical compound [Ba+2].[O-]C([O-])=O AYJRCSIUFZENHW-UHFFFAOYSA-L 0.000 description 8
- 239000001569 carbon dioxide Substances 0.000 description 8
- 229910002092 carbon dioxide Inorganic materials 0.000 description 8
- 239000010453 quartz Substances 0.000 description 8
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 7
- 239000005350 fused silica glass Substances 0.000 description 7
- 239000012535 impurity Substances 0.000 description 7
- 229910052783 alkali metal Inorganic materials 0.000 description 6
- 150000001340 alkali metals Chemical class 0.000 description 6
- 239000000356 contaminant Substances 0.000 description 6
- 238000005507 spraying Methods 0.000 description 6
- -1 alkaline earth metal formates Chemical class 0.000 description 5
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 4
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 description 4
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 description 4
- 229910052906 cristobalite Inorganic materials 0.000 description 4
- 238000001548 drop coating Methods 0.000 description 4
- 150000002978 peroxides Chemical class 0.000 description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 3
- FEWJPZIEWOKRBE-JCYAYHJZSA-L L-tartrate(2-) Chemical compound [O-]C(=O)[C@H](O)[C@@H](O)C([O-])=O FEWJPZIEWOKRBE-JCYAYHJZSA-L 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 229910052791 calcium Inorganic materials 0.000 description 3
- 239000011575 calcium Substances 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000003351 stiffener Substances 0.000 description 3
- 229940095064 tartrate Drugs 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-M Formate Chemical compound [O-]C=O BDAGIHXWWSANSR-UHFFFAOYSA-M 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 150000001242 acetic acid derivatives Chemical class 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- ZUDYPQRUOYEARG-UHFFFAOYSA-L barium(2+);dihydroxide;octahydrate Chemical compound O.O.O.O.O.O.O.O.[OH-].[OH-].[Ba+2] ZUDYPQRUOYEARG-UHFFFAOYSA-L 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 2
- 150000004679 hydroxides Chemical class 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 238000010309 melting process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 150000002891 organic anions Chemical class 0.000 description 2
- 150000003891 oxalate salts Chemical class 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- YGSDEFSMJLZEOE-UHFFFAOYSA-M salicylate Chemical compound OC1=CC=CC=C1C([O-])=O YGSDEFSMJLZEOE-UHFFFAOYSA-M 0.000 description 2
- 229960001860 salicylate Drugs 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 150000004760 silicates Chemical class 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 229940114926 stearate Drugs 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- DLYUQMMRRRQYAE-UHFFFAOYSA-N tetraphosphorus decaoxide Chemical compound O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- 229910021493 α-cristobalite Inorganic materials 0.000 description 2
- 229910021494 β-cristobalite Inorganic materials 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical group [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-N Propionic acid Chemical class CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- 206010040925 Skin striae Diseases 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 229940022663 acetate Drugs 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 229910052768 actinide Inorganic materials 0.000 description 1
- 150000001255 actinides Chemical class 0.000 description 1
- 229910001860 alkaline earth metal hydroxide Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- JPNZKPRONVOMLL-UHFFFAOYSA-N azane;octadecanoic acid Chemical class [NH4+].CCCCCCCCCCCCCCCCCC([O-])=O JPNZKPRONVOMLL-UHFFFAOYSA-N 0.000 description 1
- WDIHJSXYQDMJHN-UHFFFAOYSA-L barium chloride Chemical compound [Cl-].[Cl-].[Ba+2] WDIHJSXYQDMJHN-UHFFFAOYSA-L 0.000 description 1
- 229910001626 barium chloride Inorganic materials 0.000 description 1
- 229910052916 barium silicate Inorganic materials 0.000 description 1
- HMOQPOVBDRFNIU-UHFFFAOYSA-N barium(2+);dioxido(oxo)silane Chemical compound [Ba+2].[O-][Si]([O-])=O HMOQPOVBDRFNIU-UHFFFAOYSA-N 0.000 description 1
- AYJRCSIUFZENHW-DEQYMQKBSA-L barium(2+);oxomethanediolate Chemical compound [Ba+2].[O-][14C]([O-])=O AYJRCSIUFZENHW-DEQYMQKBSA-L 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 229910052790 beryllium Inorganic materials 0.000 description 1
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 239000008199 coating composition Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000004031 devitrification Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003623 enhancer Substances 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 150000004673 fluoride salts Chemical class 0.000 description 1
- 229940091249 fluoride supplement Drugs 0.000 description 1
- 230000037406 food intake Effects 0.000 description 1
- 229940044170 formate Drugs 0.000 description 1
- 150000004675 formic acid derivatives Chemical class 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910021480 group 4 element Inorganic materials 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 229910052747 lanthanoid Inorganic materials 0.000 description 1
- 150000002602 lanthanoids Chemical class 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 150000003873 salicylate salts Chemical class 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 238000002444 silanisation Methods 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 238000009491 slugging Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 150000003892 tartrate salts Chemical class 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 239000011043 treated quartz Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 235000012431 wafers Nutrition 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/02—Elements
- C30B29/06—Silicon
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B15/00—Single-crystal growth by pulling from a melt, e.g. Czochralski method
- C30B15/10—Crucibles or containers for supporting the melt
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B35/00—Apparatus not otherwise provided for, specially adapted for the growth, production or after-treatment of single crystals or of a homogeneous polycrystalline material with defined structure
- C30B35/002—Crucibles or containers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T117/00—Single-crystal, oriented-crystal, and epitaxy growth processes; non-coating apparatus therefor
- Y10T117/10—Apparatus
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Glass Melting And Manufacturing (AREA)
- Liquid Deposition Of Substances Of Which Semiconductor Devices Are Composed (AREA)
Abstract
Description
Claims (6)
- 초크랄스키 공정으로 도가니 내에 함유된 용융된 반도체 재료로부터 성장된 단결정 내부의 전위형성 방지 방법으로서, 상기 도가니는 저벽 및 상기 저벽으로부터 연장되어 상기 용융된 반도체 재료를 수용하는 구멍을 만드는 측벽 구조물을 갖는 유리질 실리카 본체를 포함하고, 상기 측벽 구조물 및 저벽 각각은 내부표면과 외부표면을 갖는 상기 전위형성 방지 방법에 있어서,약 600 ℃ 이하의 온도에서 상기 측벽 구조물의 상기 내부표면 상에 제 1 실투화 촉진제를 증착시키는 단계; 및상기 결정을 상기 용융된 반도체 재료로부터 인상시키면서 결정성 실리카 미립자를 상기 용융된 반도체 재료로 배출시키는 것을 감소시키는 단계를 포함하고,상기 증착은 상기 도가니를 600 ℃ 이상으로 가열시, 상기 내부표면의 실질적으로 균일한 용해를 촉진시킬 수 있는 실질적으로 실투된 제 1 실리카층을 내부 표면에 형성시키는 것을 특징으로 하는 초크랄스키 공정으로 도가니에 함유된 용융된 반도체 재료로부터 성장된 단결정 내에서 전위형성 방지 방법.
- 초크랄스키 공정에서 용융된 반도체 재료를 포함하는 도가니 보강방법으로서, 상기 도가니는 저벽 및 상기 저벽으로부터 연장하며 상기 용융된 반도체 재료를 수용하는 구멍을 만드는 측벽 구조물을 갖는 유리질 실리카 본체를 포함하며, 상기 측벽 구조물 및 저벽 각각은 내부표면과 외부표면을 갖는 용융된 반도체 재료를 포함하는 상기 도가니 보강방법에 있어서,약 600 ℃ 이하의 온도에서 상기 측벽 구조물의 상기 외부표면 상에 제 2 실투화 촉진제를 증착시키는 단계를 포함하고,상기 증착은 상기 도가니를 600 ℃ 이상으로 가열시, 유리질 실리카 본체를 보강할 수 있는 상기 외부표면 상에 실질적으로 실투화된 제 2 실리카층이 형성되는 것을 특징으로 하는 초크랄스키 공정에서 용융된 반도체 재료의 도가니 보강방법.
- 초크랄스키 공정에서 용융된 반도체 재료를 포함하는 도가니 보강방법으로서, 상기 도가니는 저벽 및 상기 저벽으로부터 연장하며 상기 용융된 반도체 재료를 수용하는 구멍을 만드는 측벽 구조물을 갖는 유리질 실리카 본체를 포함하며, 상기 측벽 구조물 및 저벽 각각은 내부표면과 외부표면을 갖는 용융된 반도체 재료를 포함하는 상기 도가니 보강방법에 있어서,약 600 ℃ 이하의 온도에서 상기 측벽 구조물의 상기 내부표면 상에 제 1 실투화 촉진제를 증착시키는 단계; 및약 600 ℃ 이하의 온도에서 상기 측벽 구조물의 상기 외부표면 상에 제 2 실투화 촉진제를 증착시키는 단계를 포함하고,상기 증착은 상기 도가니를 600 ℃ 이상으로 가열시킬 때, 결정이 상기 용융된 반도체 재료로부터 인상되면서, 상기 내부표면의 균일한 용해를 촉진시키며 상기 용융된 반도체 재료로 결정성 실리카 미립자의 배출을 감소시킬 수 있는 상기내부표면 상에서 실질적으로 실투화된 제 1 실리카층을 형성시키는 것이고,상기 도가니를 600 ℃ 이상으로 가열시킬 때, 상기 유리질 실리카 본체를 보강할 수 있는 상기 외부표면 상에서 실질적으로 실투화된 제 2 실리카층이 형성되는 상기 증착을 구비하는 것을 특징으로 하는 초크랄스키 공정에서 용융된 반도체 재료의 도가니 보강방법.
- 초크랄스키 공정으로 성장된 단결정 내에서 공간 결함을 최소화시키는 방법으로서, 상기 결함은 도가니의 내부표면에서 아르곤 가스 포획에 의해 발생되며, 상기 도가니는 직경이 35.56 cm 보다 크고, 저벽 및 상기 저벽으로부터 연장하며 상기 용융된 실리콘을 수용하는 구멍을 만드는 측벽 구조물을 갖는 유리질 실리카 본체를 포함하며, 상기 측벽 구조물 및 저벽 각각은 내부표면과 외부표면을 가지며, 상기 실리콘 용융액은 입상 폴리실리콘으로부터 형성된, 상기 공간 결함을 최소화시키는 방법에 있어서,약 600 ℃ 이하의 온도에서 상기 도가니의 상기 측벽 구조물의 상기 내부표면 상에 제 1 실투화 촉진제를 증착시키는 단계를 포함하고,상기 증착은 상기 도가니를 600 ℃ 이상으로 가열시킬 때, 내부표면 상에 실질적으로 실투화된 제 1 실리카층이 형성되며, 상기 저벽의 내부표면은 제 1 실투화 촉진제가 결핍되어 상기 결정이 상기 용융된 실리콘으로부터 인상되기 전에 아르곤 가스를 상기 내부표면으로부터 상기 용융액으로 배출시키는 것을 특징으로 하는 초크랄스키 공정에 의해 성장된 단결정 내에서 공간 결함을 최소화시키는 방법.
- 초크랄스키 방법으로 단결정을 인상시키는 실리콘 용융액 제조방법에 있어서,내부표면과 외부표면을 각각 갖는 저벽 및 상기 저벽으로부터 연장하며 상기 용융된 반도체 재료를 수용하는 구멍을 만드는 측벽 구조물을 갖는 유리질 실리카 본체를 구비하는 도가니에 다결정실리콘을 채우는 단계; 및상기 도가니의 상기 내부표면 또는 외부표면 상에 실질적으로 실투화된 제 1 실리카층을 형성하기 위해서 상기 도가니 내에서 상기 다결정성 실리콘을 용융시키는 단계를 포함하며,제 1 실투화 촉진제는 상기 측벽 구조물의 상기 내부표면 또는 상기 외부표면에 있고,상기 실질적으로 실투화된 제 1 실리카층은, 상기 결정을 인상시키면서 상기 내부표면의 균일한 용해를 촉진시키고 상기 용융된 실리콘으로 결정성 실리카 미립자의 배출시키는 것을 지연시키거나 상기 유리질 실리카 본체를 보강하는 것을 특징으로 하는 초크랄스키법에 의해 단결정을 인상시키기 위한 실리콘 용융액 제조방법.
- 초크랄스키법으로 단결정을 인상시키는 실리콘 용융액 제조방법에 있어서,저벽 및 상기 저벽으로부터 연장되어 용융된 반도체 재료를 수용하는 구멍을 만드는 측벽 구조물을 갖는 유리질 실리카 본체를 구비하는 도가니에 입상 다결정실리콘을 채우는 단계; 및아르곤 가스가 상기 저벽의 상기 내부표면으로부터 상기 용융액으로 배출되도록, 상기 용융된 실리콘과 접촉하는 상기 도가니의 상기 내부표면 상에 실질적으로 실투화된 제 1 실리카층을 형성시켜, 상기 도가니 내에서 상기 다결정성 실리콘을 용융시키는 단계를 포함하고,상기 측벽 구조물 및 상기 저벽 각각은 내부표면과 외부표면을 가지며,제 1 실투화 촉진제는 상기 측벽 구조물의 상기 내부표면 상에 있으며, 상기 저벽의 상기 내부표면은 상기 제 1 실투화 촉진제가 결핍되어 있는 것을 특징으로 하는 초크랄스키법에 의해 단결정을 인상시키는 실리콘 용융액 제조방법.
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US08/490,473 US5980629A (en) | 1995-06-14 | 1995-06-14 | Methods for improving zero dislocation yield of single crystals |
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- 1996-06-10 EP EP96304341A patent/EP0753605B1/en not_active Expired - Lifetime
- 1996-06-10 DE DE69609907T patent/DE69609907T2/de not_active Expired - Lifetime
- 1996-06-12 SG SG1996010055A patent/SG55205A1/en unknown
- 1996-06-13 MY MYPI96002395A patent/MY113247A/en unknown
- 1996-06-13 KR KR1019960021256A patent/KR100408906B1/ko not_active IP Right Cessation
- 1996-06-14 CN CN96111030A patent/CN1087362C/zh not_active Expired - Fee Related
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KR101539385B1 (ko) * | 2011-05-25 | 2015-07-24 | 세인트-고바인 리서치 (상하이) 코포레이션 리미티드 | 실리카 도가니 및 이것을 제조하는 방법 |
Also Published As
Publication number | Publication date |
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JP3054362B2 (ja) | 2000-06-19 |
EP0753605B1 (en) | 2000-08-23 |
US5980629A (en) | 1999-11-09 |
KR970001618A (ko) | 1997-01-24 |
SG55205A1 (en) | 1998-12-21 |
MY113247A (en) | 2001-12-31 |
JPH09110579A (ja) | 1997-04-28 |
CN1152037A (zh) | 1997-06-18 |
TW302499B (ko) | 1997-04-11 |
EP0753605A1 (en) | 1997-01-15 |
CN1087362C (zh) | 2002-07-10 |
DE69609907D1 (de) | 2000-09-28 |
DE69609907T2 (de) | 2000-12-21 |
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