KR101100752B1 - 반도체 소자의 제조 방법 - Google Patents
반도체 소자의 제조 방법 Download PDFInfo
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- KR101100752B1 KR101100752B1 KR1020040043597A KR20040043597A KR101100752B1 KR 101100752 B1 KR101100752 B1 KR 101100752B1 KR 1020040043597 A KR1020040043597 A KR 1020040043597A KR 20040043597 A KR20040043597 A KR 20040043597A KR 101100752 B1 KR101100752 B1 KR 101100752B1
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 40
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 85
- 229910052751 metal Inorganic materials 0.000 claims abstract description 57
- 239000002184 metal Substances 0.000 claims abstract description 57
- 238000010438 heat treatment Methods 0.000 claims abstract description 22
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052581 Si3N4 Inorganic materials 0.000 claims abstract description 10
- 229910021332 silicide Inorganic materials 0.000 claims abstract description 10
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims abstract description 10
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000000758 substrate Substances 0.000 claims description 26
- 238000005530 etching Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 11
- 125000006850 spacer group Chemical group 0.000 claims description 10
- 238000002955 isolation Methods 0.000 claims description 5
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 4
- 238000000151 deposition Methods 0.000 claims description 4
- 229910001882 dioxygen Inorganic materials 0.000 claims description 4
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims 1
- 238000000059 patterning Methods 0.000 claims 1
- 229910052796 boron Inorganic materials 0.000 abstract description 11
- -1 boron ions Chemical class 0.000 abstract description 8
- 230000000149 penetrating effect Effects 0.000 abstract description 5
- 239000010410 layer Substances 0.000 description 57
- 229920002120 photoresistant polymer Polymers 0.000 description 14
- 239000012535 impurity Substances 0.000 description 10
- 238000005468 ion implantation Methods 0.000 description 8
- 150000002500 ions Chemical class 0.000 description 7
- 229910052710 silicon Inorganic materials 0.000 description 6
- 239000010703 silicon Substances 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 5
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 5
- 229920005591 polysilicon Polymers 0.000 description 5
- 229910052814 silicon oxide Inorganic materials 0.000 description 5
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- 238000001039 wet etching Methods 0.000 description 4
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 3
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 230000004913 activation Effects 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000001312 dry etching Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 239000005368 silicate glass Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- KPSZQYZCNSCYGG-UHFFFAOYSA-N [B].[B] Chemical compound [B].[B] KPSZQYZCNSCYGG-UHFFFAOYSA-N 0.000 description 1
- GDFCWFBWQUEQIJ-UHFFFAOYSA-N [B].[P] Chemical compound [B].[P] GDFCWFBWQUEQIJ-UHFFFAOYSA-N 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
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- H10D64/01—Manufacture or treatment
- H10D64/017—Manufacture or treatment using dummy gates in processes wherein at least parts of the final gates are self-aligned to the dummy gates, i.e. replacement gate processes
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- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
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- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02123—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon
- H01L21/02142—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material containing silicon and at least one metal element, e.g. metal silicate based insulators or metal silicon oxynitrides
- H01L21/02148—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material containing silicon and at least one metal element, e.g. metal silicate based insulators or metal silicon oxynitrides the material containing hafnium, e.g. HfSiOx or HfSiON
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- H01L21/02175—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides characterised by the metal
- H01L21/02178—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides characterised by the metal the material containing aluminium, e.g. Al2O3
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- H01L21/02107—Forming insulating materials on a substrate
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- H01L21/02172—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides
- H01L21/02175—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides characterised by the metal
- H01L21/02181—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides characterised by the metal the material containing hafnium, e.g. HfO2
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- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02172—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides
- H01L21/02175—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides characterised by the metal
- H01L21/02183—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides characterised by the metal the material containing tantalum, e.g. Ta2O5
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- 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
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- H10D84/01—Manufacture or treatment
- H10D84/0123—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs
- H10D84/0126—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs
- H10D84/0165—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs the components including complementary IGFETs, e.g. CMOS devices
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Abstract
Description
Claims (10)
- (a) 반도체 기판을 NMOS 영역과 PMOS 영역으로 정의하는 소자 분리막을 형성하는 단계:(b) 상기 NMOS 영역과 상기 PMOS 영역의 상기 반도체 기판에 각각 웰을 형성하는 단계;(c) 상기 NMOS 영역과 상기 PMOS 영역의 상기 반도체 기판 상에 각각 희생 게이트 전극을 형성하는 단계;(d) 상기 희생 게이트 전극의 양측으로 노출된 상기 반도체 기판에 제1 접합영역을 형성하는 단계;(e) 상기 희생 게이트 전극의 양측벽에 스페이서를 형성하는 단계;(f) 상기 스페이서의 양측벽으로 노출된 상기 반도체 기판에 제2 접합영역을 형성하는 단계;(g) 상기 제2 접합영역이 형성된 전체 구조 상부면의 단차를 따라 금속층을 증착한 후 열처리 공정을 실시하여 상기 제2 접합영역 상에 실리사이드층을 형성하는 단계;(h) 상기 실리사이드층이 형성된 전체 구조 상부에 절연막을 증착한 후 평탄화 공정을 실시하여 상기 NMOS 영역과 상기 PMOS 영역의 상기 희생 게이트 전극의 상부를 노출시키는 단계;(i) 제1 식각공정을 실시하여 상기 NMOS 영역의 상기 희생 게이트 전극을 제거하는 단계;(j) 상기 NMOS 영역의 상기 희생 게이트 전극이 제거된 부위에 NMOS 게이트 전극을 형성하는 단계;(k) 제2 식각공정을 실시하여 상기 PMOS 영역의 상기 희생 게이트 전극을 제거하는 단계; 및(l) 상기 PMOS 영역의 상기 희생 게이트 전극이 제거된 부위에 PMOS 게이트 전극을 형성하는 단계;를 포함하고,상기 (j) 또는 상기 (l) 단계는,(j-1) 상기 희생 게이트 전극이 제거되어 노출된 상기 반도체 기판 상에 오존 산화막을 형성하는 단계;(j-2) 상기 오존 산화막이 형성된 전체 구조 상부면의 단차를 따라 게이트 산화막을 형성하는 단계;(j-3) 상기 게이트 산화막이 형성된 전체 구조 상부면의 단차를 따라 제1 금속막을 형성하는 단계;(j-4) 상기 희생 게이트 전극이 제거된 부위가 매립되도록 상기 제1 금속막이 형성된 전체 구조 상부에 제2 금속막을 형성하는 단계; 및(j-5) 평탄화 공정을 실시하여 상기 제2 금속막이 형성된 전체 구조 상부를 평탄화하여 상기 NMOS 게이트 전극 또는 상기 PMOS 게이트 전극을 형성하는 단계;를 포함하는 반도체 소자의 제조방법.
- 제 1 항에 있어서, 상기 (c) 단계는,(c-1) 상기 반도체 기판 상에 수소와 산소 가스 또는 산소 가스를 이용하여 열산화막을 형성하는 단계;(c-2) 상기 열산화막 상에 실리콘 질화막을 이용하여 희생 전극을 형성하는 단계; 및(c-3) 상기 희생 전극과 상기 열산화막을 패터닝하는 단계를 포함하는 반도체 소자의 제조방법.
- 삭제
- 제 1 항에 있어서,상기 게이트 산화막은 Ta2O5, Al2O3, HfO2 및 HfSiON 중 어느 하나로 형성되는 반도체 소자의 제조방법.
- 제 1 항에 있어서,상기 제1 금속막은 컨덕션 밴드에 속하는 일함수의 금속막 물질 및 밸런치 밴드에 속하는 일함수의 금속막 물질 중 어느 하나로 형성되는 반도체 소자의 제조방법.
- 제 5 항에 있어서,상기 컨덕션 밴드에 속하는 일함수의 금속막 물질은 TiN 또는 Zr인 반도체 소자의 제조방법.
- 제 5 항에 있어서,상기 밸런치 밴드에 속하는 일함수의 금속막 물질은 TaN 또는 Pt인 반도체 소자의 제조방법.
- 제 1 항에 있어서,상기 NMOS 게이트 전극은 컨덕션 밴드에 속하는 일함수의 금속막 물질을 포함하는 반도체 소자의 제조방법.
- 제 1 항에 있어서,상기 PMOS 게이트 전극은 밸런치 밴드에 속하는 일함수의 금속막 물질을 포함하는 반도체 소자의 제조방법.
- 제 1 항에 있어서,상기 제2 금속막은 W, Al, Cu 중 어느 하나로 형성되는 반도체 소자의 제조방법.
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Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040043597A KR101100752B1 (ko) | 2004-06-14 | 2004-06-14 | 반도체 소자의 제조 방법 |
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