KR20040013781A - 반도체 소자의 실리사이드막 형성방법 - Google Patents
반도체 소자의 실리사이드막 형성방법 Download PDFInfo
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- KR20040013781A KR20040013781A KR1020020046851A KR20020046851A KR20040013781A KR 20040013781 A KR20040013781 A KR 20040013781A KR 1020020046851 A KR1020020046851 A KR 1020020046851A KR 20020046851 A KR20020046851 A KR 20020046851A KR 20040013781 A KR20040013781 A KR 20040013781A
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- 229910021332 silicide Inorganic materials 0.000 title claims abstract description 84
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 title claims abstract description 84
- 238000000034 method Methods 0.000 title claims abstract description 55
- 239000004065 semiconductor Substances 0.000 title claims abstract description 25
- 239000000758 substrate Substances 0.000 claims abstract description 46
- 238000004140 cleaning Methods 0.000 claims abstract description 14
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 14
- 229920005591 polysilicon Polymers 0.000 claims abstract description 13
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 32
- 229910052751 metal Inorganic materials 0.000 claims description 26
- 239000002184 metal Substances 0.000 claims description 26
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 20
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 18
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 17
- 229910052710 silicon Inorganic materials 0.000 claims description 17
- 239000010703 silicon Substances 0.000 claims description 17
- 238000005530 etching Methods 0.000 claims description 16
- 238000010438 heat treatment Methods 0.000 claims description 16
- 239000007769 metal material Substances 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 11
- 238000000151 deposition Methods 0.000 claims description 11
- 239000011259 mixed solution Substances 0.000 claims description 11
- 230000002265 prevention Effects 0.000 claims description 11
- 229910021529 ammonia Inorganic materials 0.000 claims description 9
- 150000002500 ions Chemical class 0.000 claims description 9
- 230000015572 biosynthetic process Effects 0.000 claims description 8
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 7
- 239000010941 cobalt Substances 0.000 claims description 7
- 229910017052 cobalt Inorganic materials 0.000 claims description 7
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 7
- 125000006850 spacer group Chemical group 0.000 claims description 7
- 239000010936 titanium Substances 0.000 claims description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 5
- 239000008367 deionised water Substances 0.000 claims description 5
- 229910021641 deionized water Inorganic materials 0.000 claims description 5
- 229910052759 nickel Inorganic materials 0.000 claims description 5
- 229910052719 titanium Inorganic materials 0.000 claims description 5
- 230000004888 barrier function Effects 0.000 claims description 4
- 238000005229 chemical vapour deposition Methods 0.000 claims description 4
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 4
- 239000010937 tungsten Substances 0.000 claims description 4
- 229910052721 tungsten Inorganic materials 0.000 claims description 4
- 239000012298 atmosphere Substances 0.000 claims description 3
- 239000011261 inert gas Substances 0.000 claims description 3
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 25
- 230000000903 blocking effect Effects 0.000 abstract description 12
- 238000005468 ion implantation Methods 0.000 abstract description 6
- 239000010410 layer Substances 0.000 description 51
- 230000004913 activation Effects 0.000 description 7
- 229920002120 photoresistant polymer Polymers 0.000 description 6
- 230000008021 deposition Effects 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000206 photolithography Methods 0.000 description 4
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 4
- 230000003628 erosive effect Effects 0.000 description 3
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000002779 inactivation Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 230000008646 thermal stress Effects 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- QXZUUHYBWMWJHK-UHFFFAOYSA-N [Co].[Ni] Chemical compound [Co].[Ni] QXZUUHYBWMWJHK-UHFFFAOYSA-N 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 238000004380 ashing Methods 0.000 description 1
- 238000010668 complexation reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- RUFLMLWJRZAWLJ-UHFFFAOYSA-N nickel silicide Chemical compound [Ni]=[Si]=[Ni] RUFLMLWJRZAWLJ-UHFFFAOYSA-N 0.000 description 1
- 229910021334 nickel silicide Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910021341 titanium silicide Inorganic materials 0.000 description 1
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- H—ELECTRICITY
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System or AIIIBV compounds with or without impurities, e.g. doping materials
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
- H01L21/82—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components
- H01L21/822—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being a semiconductor, using silicon technology
- H01L21/8232—Field-effect technology
- H01L21/8234—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type
- H01L21/823437—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type with a particular manufacturing method of the gate conductors, e.g. particular materials, shapes
- H01L21/823443—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type with a particular manufacturing method of the gate conductors, e.g. particular materials, shapes silicided or salicided gate conductors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02041—Cleaning
- H01L21/02057—Cleaning during device manufacture
- H01L21/0206—Cleaning during device manufacture during, before or after processing of insulating layers
- H01L21/02063—Cleaning during device manufacture during, before or after processing of insulating layers the processing being the formation of vias or contact holes
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3105—After-treatment
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31105—Etching inorganic layers
- H01L21/31111—Etching inorganic layers by chemical means
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
- H01L21/82—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components
- H01L21/822—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being a semiconductor, using silicon technology
- H01L21/8232—Field-effect technology
- H01L21/8234—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type
- H01L21/823418—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type with a particular manufacturing method of the source or drain structures, e.g. specific source or drain implants or silicided source or drain structures or raised source or drain structures
- H01L21/823425—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type with a particular manufacturing method of the source or drain structures, e.g. specific source or drain implants or silicided source or drain structures or raised source or drain structures manufacturing common source or drain regions between a plurality of conductor-insulator-semiconductor structures
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- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/665—Unipolar field-effect transistors with an insulated gate, i.e. MISFET using self aligned silicidation, i.e. salicide
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- H10B12/48—Data lines or contacts therefor
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- H10B12/30—DRAM devices comprising one-transistor - one-capacitor [1T-1C] memory cells
- H10B12/48—Data lines or contacts therefor
- H10B12/488—Word lines
Abstract
Description
Claims (19)
- ⅰ) 실리콘이 존재하는 반도체 기판 상에 실리사이드 방지막 패턴을 형성하는 단계;ⅱ) 상기 실리사이드 방지막 패턴을 열처리하여 경화시키는 단계;ⅲ) 상기 기판을 세정하여 실리사이드막 형성을 방해하는 자연 산화막을 제거하는 단계; 및ⅳ) 상기 실리사이드 방지막 패턴이 노출시키는 실리콘이 드러난 영역에 실리사이드막을 형성하는 단계를 포함하는 반도체 소자의 실리사이드막 형성방법.
- 제1항에 있어서, 상기 ⅲ) 단계의 세정은 불화수소산, 또는 암모니아과수 또는 불화수소산 및 암모니아과수의 혼합용액으로 세정하는 것을 특징으로 하는 반도체 소자의 실리사이드막 형성방법.
- 제1항에 있어서, 상기ⅰ) 단계를 진행하기 전에a) 기판 상에 게이트 산화막을 형성하는 단계;b) 상기 게이트 산화막 상에 금속과 반응하여 실리사이드막을 형성할 수 있는 폴리 실리콘으로 이루어진 게이트 전극을 형성하는 단계; 및c) 상기 게이트 전극의 측벽과 인접한 실리사이드막이 형성될 영역의 기판에 이온을 주입하여 소오스/드레인 영역을 형성하는 단계를 더 구비하는 것을 특징으로 하는 반도체 소자의 실리사이드막 형성방법.
- 제3항에 있어서, 상기 c) 단계를 진행하고, 상기 게이트 측벽에 실리사이드막 형성을 방지하기 위한 게이트 스페이서를 형성하는 단계를 더 구비하는 것을 특징으로 하는 반도체 소자의 실리사이드막 형성방법.
- 제1항에 있어서, 상기 실리사이드 방지막 패턴은 SiON막 패턴인 것을 특징으로 하는 반도체 소자의 실리사이드막 형성방법.
- 제5항에 있어서, 상기 SiON막 패턴은기판 전면에 SiON을 증착하여 SiON막을 균일하게 형성하는 단계;상기 SiON막 전면에 식각 방지막을 형성하는 단계;상기 SiON막 하부에 실리사이드막이 형성될 영역을 노출시키도록 식각 방지막 패턴을 형성하는 단계; 및상기 식각 방지막 패턴이 노출시키는 SiON막을 식각하여 SiON막 패턴을 형성하는 단계를 포함하여 이루어지는 것을 특징으로 하는 반도체 소자의 실리사이드막 형성방법.
- 제6항에 있어서, 상기 SiON막은 450℃이하에서 화학 기상 증착 방식으로 증착되는 것을 특징으로하는 반도체 소자의 실리사이드막 형성방법.
- 제6항에 있어서, 상기 SiON막은 20 내지 30M의 불화수소산 0.4 내지 5 부피%, 8 내지 10M의 과산화수소수 45 내지 85 부피% 및 탈이온수의 혼합용액으로 제거하는 것을 특징으로 하는 반도체 소자의 실리사이드막 형성방법.
- 제1항에 있어서, 상기 ⅱ) 단계는 급속 열처리 방식으로 불활성 기체 분위기에서 진행하는 것을 특징으로 하는 반도체 소자의 실리사이드막 형성방법.
- 제1항에 있어서, 상기 ⅱ) 단계는 800℃ 내지 1200℃의 온도로 5초 내지 40초간 진행하는 것을 특징으로 하는 반도체 소자의 실리사이드막 형성방법.
- 제1항에 있어서, 상기 ⅳ) 단계는상기 기판 전면에 금속물을 증착하여 금속막을 형성하는 단계;상기 기판의 실리콘과 금속물을 반응시켜 금속 실리사이드를 형성하는 단계; 및상기 기판에 반응하지 않고 잔류하는 금속물을 제거하는 단계를 포함하여 이루어지는 것을 특징으로 하는 반도체 소자의 실리사이드막 형성방법.
- 제11항에 있어서, 상기 금속물은 코발트, 티타늄, 텅스텐 및 니켈로 이루어지는 그룹에서 선택된 어느 하나인 것을 특징으로 하는 반도체 소자의 실리사이드막 형성방법.
- ⅰ) 실리콘이 존재하는 반도체 기판 상에 폴리 실리콘으로 이루어진 복수개의 게이트 전극을 형성하는 단계;ⅱ) 상기 게이트 전극의 측벽과 인접한 영역의 기판에 이온을 주입하여 소오스/드레인 영역을 형성하는 단계;ⅲ) 상기 게이트 전극 측벽에 스페이서를 형성하는 단계;ⅳ) 상기 기판의 게이트 전극 상부 및 소오스/드레인 영역을 포함하여 실리사이드막이 형성될 영역을 노출시키도록 실리사이드 방지막 패턴을 형성하는 단계;ⅴ) 상기 실리사이드 방지막 패턴을 포함하여 기판을 질소 분위기에서 급속 열처리하여 상기 소오스/드레인 영역에 주입된 이온을 활성화시키고, 상기 실리사이드 방지막 패턴을 경화시키는 단계;ⅵ) 상기 기판을 세정하여 실리사이드막 형성을 방해하는 자연 산화막을 제거하는 단계; 및ⅶ) 상기 실리사이드 방지막이 노출시키는 영역에 금속 실리사이드막을 형성하는 단계를 포함하는 반도체 소자의 실리사이드막 형성방법.
- 제13항에 있어서, 상기 ⅳ) 단계는기판 전면에 SiON막을 화학 기상 증착 방식으로 450℃이하에서 균일하게 형성하는 단계;상기 SiON막 전면에 식각 방지막을 형성하는 단계;상기 SiON막 하부에 실리사이드막이 형성될 영역을 노출시키도록 식각 방지막 패턴을 형성하는 단계; 및상기 식각 방지막 패턴이 노출시키는 SiON막을 식각하여 SiON막 패턴을 형성하는 단계를 포함하여 이루어지는 것을 특징으로 하는 반도체 소자의 실리사이드막 형성방법.
- 제14항에 있어서, 상기 SiON막은 20 내지 30M의 불화수소산 0.4 내지 5 부피%, 8 내지 10M의 과산화수소수 45 내지 85 부피% 및 탈이온수의 혼합용액으로 제거하는 것을 특징으로 하는 반도체 소자의 실리사이드막 형성방법.
- 제13항에 있어서, 상기 ⅴ) 단계는 800℃ 내지 1200℃의 온도로 5초 내지 40초간 진행하는 것을 특징으로 하는 반도체 소자의 실리사이드막 형성방법.
- 제13항에 있어서, 상기 세정은 불화수소산, 또는 암모니아과수 또는 불화수소산 및 암모니아과수의 혼합용액으로 세정하는 것을 특징으로 하는 반도체 소자의 실리사이드막 형성방법.
- 제13항에 있어서, 상기 ⅶ) 단계는상기 기판 전면에 금속물을 증착하여 금속막을 형성하는 단계;상기 기판의 실리콘과 금속물을 반응시켜 금속 실리사이드를 형성하는 단계; 및상기 기판에 반응하지 않고 잔류하는 금속물을 제거하는 단계를 포함하여 이루어지는 것을 특징으로 하는 반도체 소자의 실리사이드막 형성방법.
- 제18항에 있어서, 상기 금속물은 코발트, 티타늄, 텅스텐 및 니켈로 이루어지는 그룹에서 선택된 어느 하나인 것을 특징으로 하는 반도체 소자의 실리사이드막 형성방법.
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US20080299780A1 (en) * | 2007-06-01 | 2008-12-04 | Uv Tech Systems, Inc. | Method and apparatus for laser oxidation and reduction |
JP5431752B2 (ja) * | 2009-03-05 | 2014-03-05 | ルネサスエレクトロニクス株式会社 | 半導体集積回路装置の製造方法 |
JP2012064882A (ja) * | 2010-09-17 | 2012-03-29 | Toshiba Corp | 半導体装置およびその製造方法 |
CN113130516A (zh) * | 2020-01-15 | 2021-07-16 | 联华电子股份有限公司 | 半导体影像感测元件及其制作方法 |
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FR2742924B1 (fr) * | 1995-12-22 | 1998-03-20 | Jorge Luis Regolini | Procede de depot selectif d'un siliciure de metal refractaire sur du silicium et plaquette de silicium metallisee par ce procede |
KR100226733B1 (ko) * | 1997-03-17 | 1999-10-15 | 구본준 | 반도체소자 제조방법 |
US6020242A (en) * | 1997-09-04 | 2000-02-01 | Lsi Logic Corporation | Effective silicide blocking |
KR100298581B1 (ko) * | 1998-05-21 | 2001-09-06 | 윤종용 | 반도체 소자 및 그 제조방법 |
KR100286100B1 (ko) * | 1998-06-05 | 2001-05-02 | 윤종용 | 반도체 소자 및 그 제조방법 |
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US6100145A (en) * | 1998-11-05 | 2000-08-08 | Advanced Micro Devices, Inc. | Silicidation with silicon buffer layer and silicon spacers |
US6258648B1 (en) * | 1999-02-08 | 2001-07-10 | Chartered Semiconductor Manufacturing Ltd. | Selective salicide process by reformation of silicon nitride sidewall spacers |
KR100317532B1 (ko) * | 1999-04-22 | 2001-12-22 | 윤종용 | 반도체 소자 및 그 제조방법 |
KR100328264B1 (ko) * | 1999-06-08 | 2002-03-16 | 황인길 | 반도체 소자의 제조 방법 |
KR100353551B1 (ko) * | 2000-01-28 | 2002-09-27 | 주식회사 하이닉스반도체 | 실리사이드 형성방법 |
KR20020041581A (ko) * | 2000-11-28 | 2002-06-03 | 윤종용 | Mdl의 선택적 실리사이드 막 형성 방법 |
KR20030057903A (ko) * | 2001-12-29 | 2003-07-07 | 주식회사 하이닉스반도체 | 반도체 소자의 선택적 실리사이드층 형성 방법 |
US6743669B1 (en) * | 2002-06-05 | 2004-06-01 | Lsi Logic Corporation | Method of reducing leakage using Si3N4 or SiON block dielectric films |
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