CN101452993A - 相变化存储元件及其制造方法 - Google Patents
相变化存储元件及其制造方法 Download PDFInfo
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- CN101452993A CN101452993A CNA2007101989571A CN200710198957A CN101452993A CN 101452993 A CN101452993 A CN 101452993A CN A2007101989571 A CNA2007101989571 A CN A2007101989571A CN 200710198957 A CN200710198957 A CN 200710198957A CN 101452993 A CN101452993 A CN 101452993A
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- phase
- clearance wall
- cup
- mentioned metal
- change memory
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- 230000015654 memory Effects 0.000 title claims description 65
- 238000004519 manufacturing process Methods 0.000 title claims description 25
- 239000012782 phase change material Substances 0.000 claims abstract description 73
- 230000004888 barrier function Effects 0.000 claims description 59
- 230000008859 change Effects 0.000 claims description 53
- 229910052751 metal Inorganic materials 0.000 claims description 43
- 239000002184 metal Substances 0.000 claims description 43
- 238000000034 method Methods 0.000 claims description 39
- 238000005516 engineering process Methods 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 22
- 229920002120 photoresistant polymer Polymers 0.000 claims description 17
- 239000000758 substrate Substances 0.000 claims description 17
- 229910045601 alloy Inorganic materials 0.000 claims description 15
- 239000000956 alloy Substances 0.000 claims description 15
- 238000005530 etching Methods 0.000 claims description 12
- 150000004767 nitrides Chemical class 0.000 claims description 11
- 229910052782 aluminium Inorganic materials 0.000 claims description 10
- 230000015572 biosynthetic process Effects 0.000 claims description 10
- 150000001786 chalcogen compounds Chemical group 0.000 claims description 10
- 229910052741 iridium Inorganic materials 0.000 claims description 10
- 238000003475 lamination Methods 0.000 claims description 10
- 229910052750 molybdenum Inorganic materials 0.000 claims description 10
- 229910052703 rhodium Inorganic materials 0.000 claims description 10
- 229910052707 ruthenium Inorganic materials 0.000 claims description 10
- 229910052719 titanium Inorganic materials 0.000 claims description 10
- 229910052721 tungsten Inorganic materials 0.000 claims description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 6
- 229910000763 AgInSbTe Inorganic materials 0.000 claims description 5
- 229910001215 Te alloy Inorganic materials 0.000 claims description 5
- VTGARNNDLOTBET-UHFFFAOYSA-N gallium antimonide Chemical compound [Sb]#[Ga] VTGARNNDLOTBET-UHFFFAOYSA-N 0.000 claims description 5
- 229910052732 germanium Inorganic materials 0.000 claims description 5
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims description 5
- 229910052714 tellurium Inorganic materials 0.000 claims description 5
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 claims description 5
- 229910052731 fluorine Inorganic materials 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 2
- 239000011737 fluorine Substances 0.000 claims 2
- 229910052760 oxygen Inorganic materials 0.000 claims 2
- 239000001301 oxygen Substances 0.000 claims 2
- 238000003860 storage Methods 0.000 abstract description 27
- 230000008569 process Effects 0.000 description 12
- 239000004065 semiconductor Substances 0.000 description 12
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 239000010408 film Substances 0.000 description 5
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000012774 insulation material Substances 0.000 description 4
- 229910052814 silicon oxide Inorganic materials 0.000 description 4
- 238000000427 thin-film deposition Methods 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
- 229910052735 hafnium Inorganic materials 0.000 description 3
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 3
- 238000001459 lithography Methods 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 2
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 229910000420 cerium oxide Inorganic materials 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 229910000449 hafnium oxide Inorganic materials 0.000 description 2
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 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 2
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 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
- 238000005240 physical vapour deposition Methods 0.000 description 2
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 229910001936 tantalum oxide Inorganic materials 0.000 description 2
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 2
- 229910005542 GaSb Inorganic materials 0.000 description 1
- 229910004143 HfON Inorganic materials 0.000 description 1
- BRGOCSWOKBOIOJ-UHFFFAOYSA-N N.[O-2].[Hf+4] Chemical compound N.[O-2].[Hf+4] BRGOCSWOKBOIOJ-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 229910006252 ZrON Inorganic materials 0.000 description 1
- 229910006501 ZrSiO Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 150000004770 chalcogenides Chemical class 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 229910000167 hafnon Inorganic materials 0.000 description 1
- 238000002488 metal-organic chemical vapour deposition Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000006396 nitration reaction Methods 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 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
- 238000000059 patterning Methods 0.000 description 1
- 238000004549 pulsed laser deposition Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000002207 thermal evaporation Methods 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
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Abstract
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Claims (33)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNA2007101989571A CN101452993A (zh) | 2007-12-05 | 2007-12-05 | 相变化存储元件及其制造方法 |
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CNA2007101989571A CN101452993A (zh) | 2007-12-05 | 2007-12-05 | 相变化存储元件及其制造方法 |
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CN101452993A true CN101452993A (zh) | 2009-06-10 |
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CNA2007101989571A Pending CN101452993A (zh) | 2007-12-05 | 2007-12-05 | 相变化存储元件及其制造方法 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105322013A (zh) * | 2014-07-17 | 2016-02-10 | 联华电子股份有限公司 | 半导体元件及其形成方法 |
-
2007
- 2007-12-05 CN CNA2007101989571A patent/CN101452993A/zh active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105322013A (zh) * | 2014-07-17 | 2016-02-10 | 联华电子股份有限公司 | 半导体元件及其形成方法 |
US10529856B2 (en) | 2014-07-17 | 2020-01-07 | United Microelectronics Corp. | Method of forming semiconductor device |
CN105322013B (zh) * | 2014-07-17 | 2020-04-07 | 联华电子股份有限公司 | 半导体元件及其形成方法 |
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Effective date of registration: 20100702 Address after: Hsinchu County of Taiwan Applicant after: Industrial Technology Research Institute Address before: Hsinchu County, Taiwan, China Applicant before: Industrial Technology Research Institute Co-applicant before: Powerchip Semiconductor Corp. Co-applicant before: Nanya Sci. & Tech. Co., Ltd. Co-applicant before: Maode Science and Technology Co., Ltd. Co-applicant before: Huabang Electronics Co., Ltd. |
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Open date: 20090610 |