CN100573950C - 相变存储装置及其制造方法 - Google Patents
相变存储装置及其制造方法 Download PDFInfo
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- CN100573950C CN100573950C CNB2006101667643A CN200610166764A CN100573950C CN 100573950 C CN100573950 C CN 100573950C CN B2006101667643 A CNB2006101667643 A CN B2006101667643A CN 200610166764 A CN200610166764 A CN 200610166764A CN 100573950 C CN100573950 C CN 100573950C
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- Prior art keywords
- phase change
- change memory
- memory apparatus
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- laminated construction
- Prior art date
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- 238000010276 construction Methods 0.000 claims abstract description 51
- 238000010438 heat treatment Methods 0.000 claims abstract description 46
- 230000004888 barrier function Effects 0.000 claims abstract description 39
- 239000012782 phase change material Substances 0.000 claims abstract description 39
- 239000000758 substrate Substances 0.000 claims abstract description 33
- 229910052751 metal Inorganic materials 0.000 claims description 34
- 239000002184 metal Substances 0.000 claims description 34
- 229910021332 silicide Inorganic materials 0.000 claims description 31
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims description 30
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 21
- 229920005591 polysilicon Polymers 0.000 claims description 21
- 239000012535 impurity Substances 0.000 claims description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 229910052814 silicon oxide Inorganic materials 0.000 claims 2
- 239000002131 composite material Substances 0.000 claims 1
- 230000008569 process Effects 0.000 description 29
- 238000005516 engineering process Methods 0.000 description 21
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- 229920002120 photoresistant polymer Polymers 0.000 description 14
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 14
- 238000005229 chemical vapour deposition Methods 0.000 description 12
- 230000015572 biosynthetic process Effects 0.000 description 11
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- 238000000151 deposition Methods 0.000 description 5
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- 239000010703 silicon Substances 0.000 description 4
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- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 3
- -1 Co) Chemical compound 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 229910052796 boron Inorganic materials 0.000 description 3
- 239000010941 cobalt Substances 0.000 description 3
- 229910017052 cobalt Inorganic materials 0.000 description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 3
- OKZIUSOJQLYFSE-UHFFFAOYSA-N difluoroboron Chemical compound F[B]F OKZIUSOJQLYFSE-UHFFFAOYSA-N 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
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- 239000003870 refractory metal Substances 0.000 description 3
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- 229910052715 tantalum Inorganic materials 0.000 description 3
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
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- 229910000577 Silicon-germanium Inorganic materials 0.000 description 2
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- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-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
- 238000000277 atomic layer chemical vapour deposition Methods 0.000 description 2
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- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
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- 229910005542 GaSb Inorganic materials 0.000 description 1
- 229910001215 Te alloy Inorganic materials 0.000 description 1
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 1
- 101100107923 Vitis labrusca AMAT gene Proteins 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
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- YDVGDXLABZAVCP-UHFFFAOYSA-N azanylidynecobalt Chemical compound [N].[Co] YDVGDXLABZAVCP-UHFFFAOYSA-N 0.000 description 1
- HZUJFPFEXQTAEL-UHFFFAOYSA-N azanylidynenickel Chemical compound [N].[Ni] HZUJFPFEXQTAEL-UHFFFAOYSA-N 0.000 description 1
- IVHJCRXBQPGLOV-UHFFFAOYSA-N azanylidynetungsten Chemical compound [W]#N IVHJCRXBQPGLOV-UHFFFAOYSA-N 0.000 description 1
- WYEMLYFITZORAB-UHFFFAOYSA-N boscalid Chemical compound C1=CC(Cl)=CC=C1C1=CC=CC=C1NC(=O)C1=CC=CN=C1Cl WYEMLYFITZORAB-UHFFFAOYSA-N 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 150000001786 chalcogen compounds Chemical group 0.000 description 1
- 150000004770 chalcogenides Chemical class 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
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- 238000001704 evaporation Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- VTGARNNDLOTBET-UHFFFAOYSA-N gallium antimonide Chemical compound [Sb]#[Ga] VTGARNNDLOTBET-UHFFFAOYSA-N 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002488 metal-organic chemical vapour deposition Methods 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910021334 nickel silicide Inorganic materials 0.000 description 1
- RUFLMLWJRZAWLJ-UHFFFAOYSA-N nickel silicide Chemical compound [Ni]=[Si]=[Ni] RUFLMLWJRZAWLJ-UHFFFAOYSA-N 0.000 description 1
- 238000005121 nitriding Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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- 238000004549 pulsed laser deposition Methods 0.000 description 1
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- 210000000352 storage cell Anatomy 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 description 1
- 229910052714 tellurium Inorganic materials 0.000 description 1
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 description 1
- 238000002207 thermal evaporation Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229910021341 titanium silicide Inorganic materials 0.000 description 1
- WQJQOUPTWCFRMM-UHFFFAOYSA-N tungsten disilicide Chemical compound [Si]#[W]#[Si] WQJQOUPTWCFRMM-UHFFFAOYSA-N 0.000 description 1
- 229910021342 tungsten silicide Inorganic materials 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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CNB2006101667643A CN100573950C (zh) | 2006-12-14 | 2006-12-14 | 相变存储装置及其制造方法 |
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CNB2006101667643A CN100573950C (zh) | 2006-12-14 | 2006-12-14 | 相变存储装置及其制造方法 |
Publications (2)
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CN101202326A CN101202326A (zh) | 2008-06-18 |
CN100573950C true CN100573950C (zh) | 2009-12-23 |
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CNB2006101667643A Expired - Fee Related CN100573950C (zh) | 2006-12-14 | 2006-12-14 | 相变存储装置及其制造方法 |
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2006
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