KR100338778B1 - 선택적 실리사이드 공정을 이용한 모스 트랜지스터의제조방법 - Google Patents
선택적 실리사이드 공정을 이용한 모스 트랜지스터의제조방법 Download PDFInfo
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- KR100338778B1 KR100338778B1 KR1020000048326A KR20000048326A KR100338778B1 KR 100338778 B1 KR100338778 B1 KR 100338778B1 KR 1020000048326 A KR1020000048326 A KR 1020000048326A KR 20000048326 A KR20000048326 A KR 20000048326A KR 100338778 B1 KR100338778 B1 KR 100338778B1
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- 229910021332 silicide Inorganic materials 0.000 title claims abstract description 55
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title claims abstract description 44
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 63
- 229920005591 polysilicon Polymers 0.000 claims abstract description 63
- 125000006850 spacer group Chemical group 0.000 claims abstract description 28
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 18
- 239000010703 silicon Substances 0.000 claims abstract description 18
- 239000000758 substrate Substances 0.000 claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 claims abstract description 12
- 239000012535 impurity Substances 0.000 claims abstract description 11
- 238000005468 ion implantation Methods 0.000 claims abstract description 9
- 238000009792 diffusion process Methods 0.000 claims abstract description 3
- 239000010410 layer Substances 0.000 claims description 104
- 229910052751 metal Inorganic materials 0.000 claims description 27
- 239000002184 metal Substances 0.000 claims description 27
- 238000005530 etching Methods 0.000 claims description 15
- 239000011229 interlayer Substances 0.000 claims description 15
- 150000002500 ions Chemical class 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000005498 polishing Methods 0.000 claims description 4
- 238000001039 wet etching Methods 0.000 claims description 3
- 238000000059 patterning Methods 0.000 claims description 2
- 230000007547 defect Effects 0.000 description 3
- 229920002120 photoresistant polymer Polymers 0.000 description 3
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000005368 silicate glass Substances 0.000 description 2
- GDFCWFBWQUEQIJ-UHFFFAOYSA-N [B].[P] Chemical compound [B].[P] GDFCWFBWQUEQIJ-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
Classifications
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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
- H01L21/823468—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type with a particular manufacturing method of the gate sidewall spacers, e.g. double spacers, particular spacer material or shape
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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
- H01L21/04—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
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/28008—Making conductor-insulator-semiconductor electrodes
- H01L21/28017—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon
- H01L21/28026—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor
- H01L21/28035—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor the final conductor layer next to the insulator being silicon, e.g. polysilicon, with or without impurities
- H01L21/28044—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor the final conductor layer next to the insulator being silicon, e.g. polysilicon, with or without impurities the conductor comprising at least another non-silicon conductive layer
- H01L21/28052—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor the final conductor layer next to the insulator being silicon, e.g. polysilicon, with or without impurities the conductor comprising at least another non-silicon conductive layer the conductor comprising a silicide layer formed by the silicidation reaction of silicon with a metal layer
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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
- H01L21/823418—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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- 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
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/49—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET
- H01L29/4916—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET the conductor material next to the insulator being a silicon layer, e.g. polysilicon doped with boron, phosphorus or nitrogen
- H01L29/4925—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET the conductor material next to the insulator being a silicon layer, e.g. polysilicon doped with boron, phosphorus or nitrogen with a multiple layer structure, e.g. several silicon layers with different crystal structure or grain arrangement
- H01L29/4933—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET the conductor material next to the insulator being a silicon layer, e.g. polysilicon doped with boron, phosphorus or nitrogen with a multiple layer structure, e.g. several silicon layers with different crystal structure or grain arrangement with a silicide layer contacting the silicon layer, e.g. Polycide gate
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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
- H01L21/04—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
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/28008—Making conductor-insulator-semiconductor electrodes
- H01L21/28017—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon
- H01L21/28026—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor
- H01L21/28114—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor characterised by the sectional shape, e.g. T, inverted-T
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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
- H01L21/04—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
- H01L21/31051—Planarisation of the insulating layers
Abstract
Description
Claims (11)
- 실리콘 기판 위에 게이트 절연막 및 게이트 폴리실리콘막을 순차적으로 형성하는 단계;상기 게이트 절연막 및 게이트 폴리실리콘막 측벽에 게이트 스페이서를 형성하는 단계;상기 게이트 스페이서 및 게이트 폴리실리콘막을 마스크막으로 불순물 이온 주입 및 확산 공정을 수행하여 상기 실리콘 기판에 소스/드레인 영역을 형성하는 단계:상기 소스/드레인 영역, 게이트 스페이서 및 게이트 폴리실리콘막을 덮는 식각 저지막을 형성하는 단계:상기 식각 저지막을 덮는 절연막을 형성하는 단계;상기 절연막을 평탄화하여 상기 게이트 폴리실리콘막 위의 식각 저지막을 노출시키는 단계;노출된 상기 식각 저지막 및 게이트 스페이서의 일부를 식각하여 상기 게이트 폴리실리콘막의 상부 표면 및 상부 측면이 노출되도록 하는 단계; 및상기 게이트 폴리실리콘막의 노출 부분 위에 선택적으로 실리사이드막을 형성하는 단계를 포함하는 것을 특징으로 하는 모스 트랜지스터의 제조 방법.
- 제1항에 있어서,상기 식각 저지막은 상기 절연막과의 선택비가 1 이상인 물질을 사용하여 형성하는 것을 특징으로 하는 모스 트랜지스터의 제조 방법.
- 제1항에 있어서,상기 식각 저지막은 10-2000Å의 두께를 갖도록 형성하는 것을 특징으로 하는 모스 트랜지스터의 제조 방법.
- 제1항에 있어서,상기 절연막을 평탄화하는 단계는 화학 기계적 폴리싱법을 이용하여 수행하는 것을 특징으로 하는 모스 트랜지스터의 제조 방법.
- 제1항에 있어서,상기 절연막을 평탄화하는 단계는 에치 백을 이용하여 수행하는 것을 특징으로 하는 모스 트랜지스터의 제조 방법.
- 제1항에 있어서,노출된 상기 식각 저지막 및 게이트 스페이서의 일부를 식각하는 단계는 상기 게이트 폴리실리콘막의 상부 측면이 1500Å 이하의 두께만큼 노출될 때까지 이루어지도록 하는 것을 특징으로 하는 모스 트랜지스터의 제조 방법.
- 제1항에 있어서,노출된 상기 식각 저지막 및 게이트 스페이서의 일부를 식각하는 단계 후에 상기 게이트 폴리실리콘막의 상부를 향하여 돌출된 절연막의 돌출 부분을 제거하는 단계를 더 포함하는 것을 특징으로 하는 모스 트랜지스터의 제조 방법.
- 제7항에 있어서,상기 절연막의 돌출 부분은 습식 식각법을 이용하여 제거하는 것을 특징으로 하는 모스 트랜지스터의 제조 방법.
- 제1항에 있어서, 상기 실리사이드막을 형성하는 단계는,상기 절연막, 식각 저지막 및 게이트 폴리실리콘막의 노출면 위에 금속막을 형성하는 단계;상기 금속막이 형성된 결과물에 열처리하여 상기 게이트 폴리실리콘막과 상기 금속막 사이에 실리사이드막을 형성하는 단계; 및상기 열처리동안 반응하지 않은 금속막을 제거하는 단계를 포함하는 것을 특징으로 하는 모스 트랜지스터의 제조 방법.
- 제1항에 있어서,상기 실리사이드막이 형성된 결과물 위에 층간 절연막을 형성하는 단계;상기 층간 절연막을 패터닝하여 상기 소스/드레인 영역 및 실리사이드막의 일부 표면을 노출시키는 컨택 홀을 각각 형성하는 단계; 및상기 컨택 홀을 통하여 상기 소스/드레인 영역과 실리사이드막에 컨택되도록 소스/드레인 전극 및 게이트 전극을 각각 형성하는 단계를 더 포함하는 것을 특징으로 하는 모스 트랜지스터의 제조 방법.
- 제1항에 있어서,상기 게이트 폴리실리콘막을 형성한 후에 상기 게이트 폴리실리콘막을 이온 주입 마스크로 하여 불순물 이온들을 얕게 주입시키는 단계를 더 포함하는 것을 특징으로 하는 모스 트랜지스터의 제조 방법.
Priority Applications (2)
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KR1020000048326A KR100338778B1 (ko) | 2000-08-21 | 2000-08-21 | 선택적 실리사이드 공정을 이용한 모스 트랜지스터의제조방법 |
US09/860,591 US6383882B1 (en) | 2000-08-21 | 2001-05-21 | Method for fabricating MOS transistor using selective silicide process |
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KR1020000048326A KR100338778B1 (ko) | 2000-08-21 | 2000-08-21 | 선택적 실리사이드 공정을 이용한 모스 트랜지스터의제조방법 |
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KR20020015160A KR20020015160A (ko) | 2002-02-27 |
KR100338778B1 true KR100338778B1 (ko) | 2002-05-31 |
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US7358121B2 (en) * | 2002-08-23 | 2008-04-15 | Intel Corporation | Tri-gate devices and methods of fabrication |
KR100475118B1 (ko) * | 2002-11-22 | 2005-03-10 | 삼성전자주식회사 | 2중 콘택 스페이서를 포함하는 반도체 소자의 제조방법 |
US6885033B2 (en) * | 2003-03-10 | 2005-04-26 | Cree, Inc. | Light emitting devices for light conversion and methods and semiconductor chips for fabricating the same |
US7456476B2 (en) | 2003-06-27 | 2008-11-25 | Intel Corporation | Nonplanar semiconductor device with partially or fully wrapped around gate electrode and methods of fabrication |
US6909151B2 (en) * | 2003-06-27 | 2005-06-21 | Intel Corporation | Nonplanar device with stress incorporation layer and method of fabrication |
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