JP7583852B2 - メモリ装置構造及びその製造方法 - Google Patents
メモリ装置構造及びその製造方法 Download PDFInfo
- Publication number
- JP7583852B2 JP7583852B2 JP2023037210A JP2023037210A JP7583852B2 JP 7583852 B2 JP7583852 B2 JP 7583852B2 JP 2023037210 A JP2023037210 A JP 2023037210A JP 2023037210 A JP2023037210 A JP 2023037210A JP 7583852 B2 JP7583852 B2 JP 7583852B2
- Authority
- JP
- Japan
- Prior art keywords
- layer
- ferroelectric
- semiconductor
- insulator
- bottom electrode
- 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.)
- Active
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 14
- 238000000034 method Methods 0.000 claims description 163
- 239000004065 semiconductor Substances 0.000 claims description 120
- 239000012212 insulator Substances 0.000 claims description 105
- 229910052751 metal Inorganic materials 0.000 claims description 84
- 239000002184 metal Substances 0.000 claims description 84
- 230000008569 process Effects 0.000 claims description 80
- 238000000151 deposition Methods 0.000 claims description 73
- 239000000463 material Substances 0.000 claims description 72
- 238000005530 etching Methods 0.000 claims description 37
- 239000000758 substrate Substances 0.000 claims description 37
- 230000004888 barrier function Effects 0.000 claims description 19
- 239000003990 capacitor Substances 0.000 claims description 17
- 238000005468 ion implantation Methods 0.000 claims description 7
- 238000000059 patterning Methods 0.000 claims description 6
- 239000010410 layer Substances 0.000 description 562
- 230000036961 partial effect Effects 0.000 description 33
- 230000008021 deposition Effects 0.000 description 30
- 238000005229 chemical vapour deposition Methods 0.000 description 27
- 229910044991 metal oxide Inorganic materials 0.000 description 24
- 150000004706 metal oxides Chemical class 0.000 description 24
- 230000010287 polarization Effects 0.000 description 23
- 239000003989 dielectric material Substances 0.000 description 19
- -1 InAlAs Inorganic materials 0.000 description 18
- 238000002513 implantation Methods 0.000 description 17
- 239000000203 mixture Substances 0.000 description 17
- 229910052710 silicon Inorganic materials 0.000 description 17
- 238000000231 atomic layer deposition Methods 0.000 description 16
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 16
- 238000005240 physical vapour deposition Methods 0.000 description 16
- 239000010949 copper Substances 0.000 description 15
- 239000002019 doping agent Substances 0.000 description 14
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 13
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 12
- 229910052732 germanium Inorganic materials 0.000 description 12
- 239000010703 silicon Substances 0.000 description 12
- 238000001505 atmospheric-pressure chemical vapour deposition Methods 0.000 description 11
- 238000000277 atomic layer chemical vapour deposition Methods 0.000 description 11
- 239000010936 titanium Substances 0.000 description 11
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 10
- 238000005137 deposition process Methods 0.000 description 10
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 9
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 9
- 229910045601 alloy Inorganic materials 0.000 description 9
- 239000000956 alloy Substances 0.000 description 9
- 210000004027 cell Anatomy 0.000 description 9
- 229910052802 copper Inorganic materials 0.000 description 9
- 239000007789 gas Substances 0.000 description 9
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 9
- 125000006850 spacer group Chemical group 0.000 description 9
- 229910052721 tungsten Inorganic materials 0.000 description 9
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 8
- 229910052759 nickel Inorganic materials 0.000 description 8
- 229920002120 photoresistant polymer Polymers 0.000 description 8
- 229910052719 titanium Inorganic materials 0.000 description 8
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 7
- 229910052581 Si3N4 Inorganic materials 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 7
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 7
- 238000002955 isolation Methods 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 7
- 239000001301 oxygen Substances 0.000 description 7
- 229910052707 ruthenium Inorganic materials 0.000 description 7
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 description 7
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 6
- 229910000530 Gallium indium arsenide Inorganic materials 0.000 description 6
- GPXJNWSHGFTCBW-UHFFFAOYSA-N Indium phosphide Chemical compound [In]#P GPXJNWSHGFTCBW-UHFFFAOYSA-N 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000001312 dry etching Methods 0.000 description 6
- HZXMRANICFIONG-UHFFFAOYSA-N gallium phosphide Chemical compound [Ga]#P HZXMRANICFIONG-UHFFFAOYSA-N 0.000 description 6
- RPQDHPTXJYYUPQ-UHFFFAOYSA-N indium arsenide Chemical compound [In]#[As] RPQDHPTXJYYUPQ-UHFFFAOYSA-N 0.000 description 6
- 229910052697 platinum Inorganic materials 0.000 description 6
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 230000005641 tunneling Effects 0.000 description 6
- 229910017115 AlSb Inorganic materials 0.000 description 5
- 229910005540 GaP Inorganic materials 0.000 description 5
- 229910005542 GaSb Inorganic materials 0.000 description 5
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 5
- 229910000673 Indium arsenide Inorganic materials 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 239000013078 crystal Substances 0.000 description 5
- 230000005684 electric field Effects 0.000 description 5
- 230000005669 field effect Effects 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 229910000449 hafnium oxide Inorganic materials 0.000 description 5
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 description 5
- 229910052741 iridium Inorganic materials 0.000 description 5
- 238000005498 polishing Methods 0.000 description 5
- 239000002243 precursor Substances 0.000 description 5
- 229910052814 silicon oxide Inorganic materials 0.000 description 5
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 5
- 239000010937 tungsten Substances 0.000 description 5
- 229910016909 AlxOy Inorganic materials 0.000 description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 4
- RVSGESPTHDDNTH-UHFFFAOYSA-N alumane;tantalum Chemical compound [AlH3].[Ta] RVSGESPTHDDNTH-UHFFFAOYSA-N 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000005388 borosilicate glass Substances 0.000 description 4
- 239000000460 chlorine Substances 0.000 description 4
- 229910017052 cobalt Inorganic materials 0.000 description 4
- 239000010941 cobalt Substances 0.000 description 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 4
- HTXDPTMKBJXEOW-UHFFFAOYSA-N iridium(IV) oxide Inorganic materials O=[Ir]=O HTXDPTMKBJXEOW-UHFFFAOYSA-N 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 4
- 150000004767 nitrides Chemical class 0.000 description 4
- 239000005360 phosphosilicate glass Substances 0.000 description 4
- 238000001020 plasma etching Methods 0.000 description 4
- 229910020781 SixOy Inorganic materials 0.000 description 3
- DBOSVWZVMLOAEU-UHFFFAOYSA-N [O-2].[Hf+4].[La+3] Chemical compound [O-2].[Hf+4].[La+3] DBOSVWZVMLOAEU-UHFFFAOYSA-N 0.000 description 3
- ILCYGSITMBHYNK-UHFFFAOYSA-N [Si]=O.[Hf] Chemical compound [Si]=O.[Hf] ILCYGSITMBHYNK-UHFFFAOYSA-N 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910002113 barium titanate Inorganic materials 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- KQHQLIAOAVMAOW-UHFFFAOYSA-N hafnium(4+) oxygen(2-) zirconium(4+) Chemical compound [O--].[O--].[O--].[O--].[Zr+4].[Hf+4] KQHQLIAOAVMAOW-UHFFFAOYSA-N 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 3
- 239000005368 silicate glass Substances 0.000 description 3
- VEALVRVVWBQVSL-UHFFFAOYSA-N strontium titanate Chemical compound [Sr+2].[O-][Ti]([O-])=O VEALVRVVWBQVSL-UHFFFAOYSA-N 0.000 description 3
- 238000001039 wet etching Methods 0.000 description 3
- 229910001928 zirconium oxide Inorganic materials 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 229910020776 SixNy Inorganic materials 0.000 description 2
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- UQZIWOQVLUASCR-UHFFFAOYSA-N alumane;titanium Chemical compound [AlH3].[Ti] UQZIWOQVLUASCR-UHFFFAOYSA-N 0.000 description 2
- MIQVEZFSDIJTMW-UHFFFAOYSA-N aluminum hafnium(4+) oxygen(2-) Chemical compound [O-2].[Al+3].[Hf+4] MIQVEZFSDIJTMW-UHFFFAOYSA-N 0.000 description 2
- 229910052785 arsenic Inorganic materials 0.000 description 2
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 239000005380 borophosphosilicate glass Substances 0.000 description 2
- BZCBKHYEIHSSEA-UHFFFAOYSA-N cerium(3+) hafnium(4+) oxygen(2-) Chemical compound [O-2].[Ce+3].[Hf+4] BZCBKHYEIHSSEA-UHFFFAOYSA-N 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000009969 flowable effect Effects 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- KGIHPJOVBZTTCL-UHFFFAOYSA-N gadolinium(3+) hafnium(4+) oxygen(2-) Chemical compound [O-2].[Hf+4].[Gd+3] KGIHPJOVBZTTCL-UHFFFAOYSA-N 0.000 description 2
- 229910052735 hafnium Inorganic materials 0.000 description 2
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 2
- NFFIWVVINABMKP-UHFFFAOYSA-N methylidynetantalum Chemical compound [Ta]#C NFFIWVVINABMKP-UHFFFAOYSA-N 0.000 description 2
- 238000004377 microelectronic Methods 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 238000004528 spin coating Methods 0.000 description 2
- 229910003468 tantalcarbide Inorganic materials 0.000 description 2
- 238000000038 ultrahigh vacuum chemical vapour deposition Methods 0.000 description 2
- 238000000927 vapour-phase epitaxy Methods 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 229910000980 Aluminium gallium arsenide Inorganic materials 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 101100136092 Drosophila melanogaster peng gene Proteins 0.000 description 1
- GEIAQOFPUVMAGM-UHFFFAOYSA-N Oxozirconium Chemical compound [Zr]=O GEIAQOFPUVMAGM-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229910002370 SrTiO3 Inorganic materials 0.000 description 1
- 229910010252 TiO3 Inorganic materials 0.000 description 1
- OBZUDFAHIZFVHI-UHFFFAOYSA-N [La].[Si]=O Chemical compound [La].[Si]=O OBZUDFAHIZFVHI-UHFFFAOYSA-N 0.000 description 1
- LEVVHYCKPQWKOP-UHFFFAOYSA-N [Si].[Ge] Chemical compound [Si].[Ge] LEVVHYCKPQWKOP-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- IVHJCRXBQPGLOV-UHFFFAOYSA-N azanylidynetungsten Chemical compound [W]#N IVHJCRXBQPGLOV-UHFFFAOYSA-N 0.000 description 1
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- OKZIUSOJQLYFSE-UHFFFAOYSA-N difluoroboron Chemical compound F[B]F OKZIUSOJQLYFSE-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- ZQXQADNTSSMHJI-UHFFFAOYSA-N hafnium(4+) oxygen(2-) tantalum(5+) Chemical compound [O-2].[Ta+5].[Hf+4] ZQXQADNTSSMHJI-UHFFFAOYSA-N 0.000 description 1
- KUVFGOLWQIXGBP-UHFFFAOYSA-N hafnium(4+);oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[O-2].[O-2].[Ti+4].[Hf+4] KUVFGOLWQIXGBP-UHFFFAOYSA-N 0.000 description 1
- CJNBYAVZURUTKZ-UHFFFAOYSA-N hafnium(iv) oxide Chemical compound O=[Hf]=O CJNBYAVZURUTKZ-UHFFFAOYSA-N 0.000 description 1
- 229910000167 hafnon Inorganic materials 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- WPYVAWXEWQSOGY-UHFFFAOYSA-N indium antimonide Chemical compound [Sb]#[In] WPYVAWXEWQSOGY-UHFFFAOYSA-N 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 238000001451 molecular beam epitaxy Methods 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 239000002073 nanorod Substances 0.000 description 1
- 239000002070 nanowire Substances 0.000 description 1
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 210000002381 plasma Anatomy 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- HWEYZGSCHQNNEH-UHFFFAOYSA-N silicon tantalum Chemical compound [Si].[Ta] HWEYZGSCHQNNEH-UHFFFAOYSA-N 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D1/00—Resistors, capacitors or inductors
- H10D1/60—Capacitors
- H10D1/68—Capacitors having no potential barriers
- H10D1/692—Electrodes
- H10D1/696—Electrodes comprising multiple layers, e.g. comprising a barrier layer and a metal layer
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B53/00—Ferroelectric RAM [FeRAM] devices comprising ferroelectric memory capacitors
- H10B53/30—Ferroelectric RAM [FeRAM] devices comprising ferroelectric memory capacitors characterised by the memory core region
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D1/00—Resistors, capacitors or inductors
- H10D1/60—Capacitors
- H10D1/62—Capacitors having potential barriers
- H10D1/66—Conductor-insulator-semiconductor capacitors, e.g. MOS capacitors
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D1/00—Resistors, capacitors or inductors
- H10D1/60—Capacitors
- H10D1/68—Capacitors having no potential barriers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/01—Manufacture or treatment
- H10D30/021—Manufacture or treatment of FETs having insulated gates [IGFET]
- H10D30/0415—Manufacture or treatment of FETs having insulated gates [IGFET] of FETs having ferroelectric gate insulators
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/701—IGFETs having ferroelectric gate insulators, e.g. ferroelectric FETs
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/60—Electrodes characterised by their materials
- H10D64/66—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes
- H10D64/68—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes characterised by the insulator, e.g. by the gate insulator
- H10D64/689—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes characterised by the insulator, e.g. by the gate insulator having ferroelectric layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D1/00—Resistors, capacitors or inductors
- H10D1/60—Capacitors
- H10D1/68—Capacitors having no potential barriers
- H10D1/682—Capacitors having no potential barriers having dielectrics comprising perovskite structures
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D1/00—Resistors, capacitors or inductors
- H10D1/60—Capacitors
- H10D1/68—Capacitors having no potential barriers
- H10D1/682—Capacitors having no potential barriers having dielectrics comprising perovskite structures
- H10D1/684—Capacitors having no potential barriers having dielectrics comprising perovskite structures the dielectrics comprising multiple layers, e.g. comprising buffer layers, seed layers or gradient layers
Landscapes
- Semiconductor Memories (AREA)
- Formation Of Insulating Films (AREA)
Description
幾つかの実施形態において、本開示は、メモリスタックを含む半導体装置の形成方法であって、第1の誘電体層の中に設けられる導電特性を持つワークを提供する工程と、ワークの上方にエッチングストッパ層を堆積する工程と、エッチングストッパ層を介して、導電特性に接触するコンタクトホールを形成する工程と、エッチングストッパ層及びコンタクトホールの上方に底部電極層を堆積する工程と、底部電極層の上にメモリスタックの複数のエネルギー障壁幅を提供するための欠乏領域を形成する工程と、欠乏領域の上方に非分極層を堆積する工程と、非分極層の上方に分極層を堆積する工程と、分極層の上方に頂部電極層を堆積する工程と、底部電極層、欠乏領域、非分極層、分極層、及び頂部電極層をパターン化してメモリスタックを形成する工程と、を有するメモリスタックを含む半導体装置の形成方法に関する。
幾つかの実施形態において、本開示は、基板に設けられる底部電極と、底部電極に設けられる絶縁体層(絶縁体層は、異なる厚さを有する複数のセグメントを含む)と、絶縁体層に設けられる半導体層と、半導体層に設けられる誘電体層と、誘電体層に設けられる強誘電体層と、強誘電体層に設けられる頂部電極と、を含む半導体装置に関する。
12 強誘電体スタック
14 FSLスタック
16 底部電極
18 頂部電極
20 強誘電体層
22 誘電体層
24 半導体層
26 絶縁体層
100 方法
102~124 ブロック
200 ワーク
201 相互接続構造
202 基板
203 トランジスタ
204 チャンネル領域
206 ゲート構造
208 ソース/ドレイン領域
212 第1のIMD層
214D 貫通孔
214G 貫通孔
214S 貫通孔
216 金属配線
218 MIMコンデンサ
220a 底部電極
220b 中間電極
220c 頂部電極
221 絶縁誘電体層
222 IMD層
224D 貫通孔
224G 貫通孔
226 金属配線
230 ESL
232 開口
234 コンタクトホール
234a バリア層
234b 金属充填層
236 底部電極層
238 絶縁体層
238a 第1の層
238b 第2の層
238c 第3の層
240 半導体層
242a エッチングプロセス
242b エッチングプロセス
244a 注入プロセス
244b 注入プロセス
244c 注入プロセス
246 誘電体層
248 強誘電体層
250 頂部電極層
251 強誘電体スタック
252 FSLスタック
254 ハードマスク層
256 スペーサ
258 第2のESL
260 緩衝膜
262 IMD層
264 貫通孔
266 金属配線
I 領域
II 領域
III 領域
M1~Mn+1 金属層
t1~t7 厚さ
t1’~t3’ 厚さ
Claims (8)
- 基板の上方に底部電極層を形成する工程と、
前記底部電極層の上方に絶縁体層を形成する工程と、
前記底部電極層の上方に、異なる厚さを有する複数の部分を含む半導体層を堆積する工程と、
前記半導体層の上方に強誘電体層を堆積する工程と、
前記強誘電体層の上方に頂部電極層を形成する工程と、
前記底部電極層、前記絶縁体層、前記半導体層、前記強誘電体層、及び前記頂部電極層をパターン化してメモリスタックを形成する工程と、
を有し、
前記強誘電体層を形成する前に、前記半導体層の上方に誘電体層を堆積する工程を更に含む半導体装置の製造方法。 - 前記絶縁体層を形成する工程は、
前記底部電極層を被覆する第1の誘電体層を堆積する工程と、
前記第1の誘電体層を部分的に被覆する少なくとも1つの第2の誘電体層を堆積する工程と、
を有する請求項1に記載の製造方法。 - 前記絶縁体層を形成する工程は、
前記底部電極層を被覆する誘電体層を堆積する工程と、
前記誘電体層の一部を部分的に凹ませる工程と、
を有する請求項1又は2に記載の製造方法。 - 前記絶縁体層を形成する工程は、
前記基板の上方に半導体含有層を堆積する工程と、
第1のイオン注入プロセスを実行して前記半導体含有層の中間部分を不活性化することで、前記半導体含有層内に嵌め込まれる前記絶縁体層を形成する工程と、
第2のイオン注入プロセスを少なくとも実行して、前記絶縁体層の一部の厚さを成長する工程と、
を有する請求項1又は2に記載の製造方法。 - メモリスタックを含む半導体装置の製造方法であって、
第1の誘電体層の中に設けられる導電特性を持つワークを提供する工程と、
前記ワークの上方にエッチングストッパ層を堆積する工程と、
前記エッチングストッパ層を貫通して、前記導電特性に接触するコンタクトホールを形成する工程と、
前記エッチングストッパ層及び前記コンタクトホールの上方に底部電極層を堆積する工程と、
前記底部電極層の上方に、階段状の輪郭表面を有し前記メモリスタックの複数のエネルギー障壁幅を提供するための欠乏領域を形成する工程と、
前記欠乏領域の上方に非分極層を堆積する工程と、
前記非分極層の上方に分極層を堆積する工程と、
前記分極層の上方に頂部電極層を堆積する工程と、
前記底部電極層、前記欠乏領域、前記非分極層、前記分極層、及び前記頂部電極層をパターン化して前記メモリスタックを形成する工程と、
を有するメモリスタックを含む半導体装置の製造方法。 - 前記ワークは、金属-絶縁体-金属コンデンサを含み、且つ前記導電特性は前記金属-絶縁体-金属コンデンサに結合される請求項5に記載の製造方法。
- 基板上に設けられる底部電極と、
前記底部電極上に設けられ、異なる厚さを有する複数のセグメントを含む絶縁体層と、
前記絶縁体層上に設けられる半導体層と、
前記半導体層上に設けられる誘電体層と、
前記誘電体層上に設けられ、前記絶縁体層の前記複数のセグメントからそれぞれ第1の垂直距離、第2の垂直距離及び第3の垂直距離で離隔しており、前記第1の垂直距離、第2の垂直距離及び第3の垂直距離が異なる強誘電体層と、
前記強誘電体層上に設けられる頂部電極と、
を含む半導体装置。 - 前記誘電体層は非分極材料を含み、且つ前記強誘電体層は分極材料を含む請求項7に記載の半導体装置。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US202263318889P | 2022-03-11 | 2022-03-11 | |
US63/318,889 | 2022-03-11 | ||
US17/879,432 US12200943B2 (en) | 2022-03-11 | 2022-08-02 | Memory device structure and manufacturing method thereof |
US17/879,432 | 2022-08-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2023133256A JP2023133256A (ja) | 2023-09-22 |
JP7583852B2 true JP7583852B2 (ja) | 2024-11-14 |
Family
ID=86853288
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2023037210A Active JP7583852B2 (ja) | 2022-03-11 | 2023-03-10 | メモリ装置構造及びその製造方法 |
Country Status (4)
Country | Link |
---|---|
US (2) | US12200943B2 (ja) |
JP (1) | JP7583852B2 (ja) |
CN (1) | CN219269471U (ja) |
TW (1) | TW202401800A (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20230403863A1 (en) * | 2022-06-09 | 2023-12-14 | Taiwan Semiconductor Manufacturing Company, Ltd. | Semiconductor devices |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005310881A (ja) | 2004-04-19 | 2005-11-04 | Matsushita Electric Ind Co Ltd | Fet型強誘電体メモリセルおよびfet型強誘電体メモリ |
WO2006091108A1 (en) | 2005-02-23 | 2006-08-31 | Thin Film Electronics Asa | A memory device and methods for operating the same |
WO2007029282A1 (ja) | 2005-09-01 | 2007-03-15 | Fujitsu Limited | 半導体装置とその製造方法 |
JP2014053571A (ja) | 2012-09-10 | 2014-03-20 | Toshiba Corp | 強誘電体メモリ及びその製造方法 |
US20210242225A1 (en) | 2020-01-30 | 2021-08-05 | Taiwan Semiconductor Manufacturing Company Ltd. | Semiconductor structure and manufacturing method thereof |
Family Cites Families (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5777356A (en) | 1996-01-03 | 1998-07-07 | Bell Communications Research, Inc. | Platinum-free ferroelectric memory cell with intermetallic barrier layer and method of making same |
US6048738A (en) * | 1997-03-07 | 2000-04-11 | Sharp Laboratories Of America, Inc. | Method of making ferroelectric memory cell for VLSI RAM array |
US6171934B1 (en) | 1998-08-31 | 2001-01-09 | Symetrix Corporation | Recovery of electronic properties in process-damaged ferroelectrics by voltage-cycling |
KR101293130B1 (ko) * | 2010-05-28 | 2013-08-12 | 엘지디스플레이 주식회사 | 어레이 기판 및 이의 제조방법 |
US8797057B2 (en) | 2011-02-11 | 2014-08-05 | Taiwan Semiconductor Manufacturing Company, Ltd. | Testing of semiconductor chips with microbumps |
US8803316B2 (en) | 2011-12-06 | 2014-08-12 | Taiwan Semiconductor Manufacturing Company, Ltd. | TSV structures and methods for forming the same |
US8803292B2 (en) | 2012-04-27 | 2014-08-12 | Taiwan Semiconductor Manufacturing Company, Ltd. | Through-substrate vias and methods for forming the same |
US9443783B2 (en) | 2012-06-27 | 2016-09-13 | Taiwan Semiconductor Manufacturing Company, Ltd. | 3DIC stacking device and method of manufacture |
US9299649B2 (en) | 2013-02-08 | 2016-03-29 | Taiwan Semiconductor Manufacturing Company, Ltd. | 3D packages and methods for forming the same |
US8802504B1 (en) | 2013-03-14 | 2014-08-12 | Taiwan Semiconductor Manufacturing Company, Ltd. | 3D packages and methods for forming the same |
US8993380B2 (en) | 2013-03-08 | 2015-03-31 | Taiwan Semiconductor Manufacturing Company, Ltd. | Structure and method for 3D IC package |
US9281254B2 (en) | 2014-02-13 | 2016-03-08 | Taiwan Semiconductor Manufacturing Company, Ltd. | Methods of forming integrated circuit package |
US9425126B2 (en) | 2014-05-29 | 2016-08-23 | Taiwan Semiconductor Manufacturing Company, Ltd. | Dummy structure for chip-on-wafer-on-substrate |
US9496189B2 (en) | 2014-06-13 | 2016-11-15 | Taiwan Semiconductor Manufacturing Company, Ltd. | Stacked semiconductor devices and methods of forming same |
US9679893B2 (en) * | 2015-05-15 | 2017-06-13 | Taiwan Semiconductor Manufacturing Company Limited | Semiconductor device and transistor |
US9859258B2 (en) * | 2016-05-17 | 2018-01-02 | Taiwan Semiconductor Manufacturing Company, Ltd. | Semiconductor device and method of manufacture |
DE102016113071A1 (de) * | 2016-07-15 | 2018-01-18 | Osram Opto Semiconductors Gmbh | Halbleiterlaserdiode |
KR20180097377A (ko) * | 2017-02-23 | 2018-08-31 | 에스케이하이닉스 주식회사 | 강유전성 메모리 장치 및 그 제조 방법 |
US10522749B2 (en) | 2017-05-15 | 2019-12-31 | Taiwan Semiconductor Manufacturing Company, Ltd. | Combined physical and chemical etch to reduce magnetic tunnel junction (MTJ) sidewall damage |
TWI712171B (zh) * | 2017-06-07 | 2020-12-01 | 聯華電子股份有限公司 | 半導體元件 |
US10319732B2 (en) | 2017-06-14 | 2019-06-11 | Globalfoundries Inc. | Transistor element including a buried insulating layer having enhanced functionality |
US10784362B2 (en) * | 2017-10-30 | 2020-09-22 | Taiwan Semiconductor Manufacturing Co., Ltd. | Semiconductor device and manufacturing method thereof |
US10644125B2 (en) * | 2018-06-14 | 2020-05-05 | Taiwan Semiconductor Manufacturing Co., Ltd. | Metal gates and manufacturing methods thereof |
US10504835B1 (en) * | 2018-07-16 | 2019-12-10 | Taiwan Semiconductor Manufacturing Co., Ltd. | Package structure, semiconductor chip and method of fabricating the same |
US11101362B2 (en) * | 2018-07-30 | 2021-08-24 | Taiwan Semiconductor Manufacturing Co., Ltd. | Semiconductor device and forming method thereof |
US10861841B2 (en) * | 2018-09-28 | 2020-12-08 | Taiwan Semiconductor Manufacturing Co., Ltd. | Semiconductor device with multiple polarity groups |
US10868239B2 (en) | 2018-10-25 | 2020-12-15 | Taiwan Semiconductor Manufacturing Company, Ltd. | Gradient protection layer in MTJ manufacturing |
EP3671199B1 (en) * | 2018-12-18 | 2022-05-25 | Ecole Polytechnique Federale De Lausanne (Epfl) | Negative capacitance semiconductor sensor |
US11264561B2 (en) * | 2019-08-20 | 2022-03-01 | Taiwan Semiconductor Manufacturing Co., Ltd. | Magnetic random access memory device and formation method thereof |
US11283005B2 (en) | 2019-09-30 | 2022-03-22 | Taiwan Semiconductor Manufacturing Company, Ltd. | Spacer scheme and method for MRAM |
US11133304B2 (en) * | 2019-11-27 | 2021-09-28 | Taiwan Semiconductor Manufacturing Co., Ltd. | Packaging scheme involving metal-insulator-metal capacitor |
US11289497B2 (en) | 2019-12-27 | 2022-03-29 | Kepler Computing Inc. | Integration method of ferroelectric memory array |
US11508753B2 (en) | 2020-02-24 | 2022-11-22 | Taiwan Semiconductor Manufacturing Company, Ltd. | Embedded ferroelectric FinFET memory device |
US11393833B2 (en) * | 2020-04-22 | 2022-07-19 | Taiwan Semiconductor Manufacturing Company, Ltd. | Ferroelectric random access memory device with seed layer |
US11658134B2 (en) * | 2021-03-30 | 2023-05-23 | Taiwan Semiconductor Manufacturing Company, Ltd. | Inductor structure, semiconductor package and fabrication method thereof |
CN113193047B (zh) | 2021-03-31 | 2022-08-09 | 南京邮电大学 | 一种不同厚度铁电层的负电容场效应晶体管及制备方法 |
US11961880B2 (en) * | 2021-05-06 | 2024-04-16 | Taiwan Semiconductor Manufacturing Company, Ltd. | Metal-insulator-metal structure |
US11626366B2 (en) * | 2021-06-22 | 2023-04-11 | Silicon Laboratories Inc. | Shielding using layers with staggered trenches |
-
2022
- 2022-08-02 US US17/879,432 patent/US12200943B2/en active Active
-
2023
- 2023-02-03 TW TW112103859A patent/TW202401800A/zh unknown
- 2023-02-22 CN CN202320285383.6U patent/CN219269471U/zh active Active
- 2023-03-10 JP JP2023037210A patent/JP7583852B2/ja active Active
-
2024
- 2024-07-26 US US18/786,231 patent/US20240389349A1/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005310881A (ja) | 2004-04-19 | 2005-11-04 | Matsushita Electric Ind Co Ltd | Fet型強誘電体メモリセルおよびfet型強誘電体メモリ |
WO2006091108A1 (en) | 2005-02-23 | 2006-08-31 | Thin Film Electronics Asa | A memory device and methods for operating the same |
WO2007029282A1 (ja) | 2005-09-01 | 2007-03-15 | Fujitsu Limited | 半導体装置とその製造方法 |
JP2014053571A (ja) | 2012-09-10 | 2014-03-20 | Toshiba Corp | 強誘電体メモリ及びその製造方法 |
US20210242225A1 (en) | 2020-01-30 | 2021-08-05 | Taiwan Semiconductor Manufacturing Company Ltd. | Semiconductor structure and manufacturing method thereof |
Also Published As
Publication number | Publication date |
---|---|
JP2023133256A (ja) | 2023-09-22 |
TW202401800A (zh) | 2024-01-01 |
US12200943B2 (en) | 2025-01-14 |
US20230292526A1 (en) | 2023-09-14 |
US20240389349A1 (en) | 2024-11-21 |
CN219269471U (zh) | 2023-06-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US20210118878A1 (en) | Single diffusion break isolation for gate-all-around field-effect transistor devices | |
CN108231873B (zh) | 半导体装置 | |
KR102282224B1 (ko) | 하이-k 퍼스트 기술의 임베디드 강유전성 메모리 | |
US20230369440A1 (en) | Access transistor including a metal oxide barrier layer and methods for forming the same | |
US11527552B2 (en) | Ferroelectric memory device and method of forming the same | |
US11647635B2 (en) | Ferroelectric memory device and method of forming the same | |
US20230106816A1 (en) | Ferroelectric memory device and method of forming the same | |
US12167607B2 (en) | Ferroelectric memory device and method of forming the same | |
US11647637B2 (en) | Semiconductor memory devices and methods of manufacturing thereof | |
US20230368830A1 (en) | Semiconductor Devices Including Ferroelectric Memory and Methods of Forming the Same | |
US20230402543A1 (en) | Semiconductor device structure and method for forming the same | |
US20240389349A1 (en) | Memory device structure and manufacturing method thereof | |
US20240389317A1 (en) | Semiconductor memory devices having cup shaped vias | |
US20240407173A1 (en) | Semiconductor memory devices and methods of manufacturing thereof | |
TWI847541B (zh) | 記憶體結構及其形成方法 | |
US20230053623A1 (en) | Semiconductor memory devices and methods of manufacturing thereof | |
JP2023016734A (ja) | 半導体メモリ構造、および、その形成方法 | |
US11289602B2 (en) | FeFET of 3D structure for capacitance matching | |
US12133392B2 (en) | Memory device and forming method thereof | |
US20230380179A1 (en) | Memory device and manufacturing method thereof | |
US20240081077A1 (en) | Transistor, memory device and manufacturing method of memory device | |
TW202320324A (zh) | 積體電路結構及其製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20230310 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20240328 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20240409 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20240709 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20241008 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20241101 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7583852 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |