KR102263827B1 - 산화물 반도체 증착장치 및 이를 이용한 산화물 반도체의 제조 방법 - Google Patents
산화물 반도체 증착장치 및 이를 이용한 산화물 반도체의 제조 방법 Download PDFInfo
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- KR102263827B1 KR102263827B1 KR1020140033267A KR20140033267A KR102263827B1 KR 102263827 B1 KR102263827 B1 KR 102263827B1 KR 1020140033267 A KR1020140033267 A KR 1020140033267A KR 20140033267 A KR20140033267 A KR 20140033267A KR 102263827 B1 KR102263827 B1 KR 102263827B1
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 118
- 238000004519 manufacturing process Methods 0.000 title claims description 18
- 238000000151 deposition Methods 0.000 title description 37
- 239000000758 substrate Substances 0.000 claims abstract description 133
- 238000000034 method Methods 0.000 claims abstract description 85
- 238000010438 heat treatment Methods 0.000 claims abstract description 76
- 230000008021 deposition Effects 0.000 claims abstract description 40
- 238000012545 processing Methods 0.000 claims abstract description 26
- 239000010410 layer Substances 0.000 claims description 135
- 238000002347 injection Methods 0.000 claims description 24
- 239000007924 injection Substances 0.000 claims description 24
- 230000002093 peripheral effect Effects 0.000 claims description 17
- 239000010936 titanium Substances 0.000 claims description 17
- 238000009832 plasma treatment Methods 0.000 claims description 16
- 239000002344 surface layer Substances 0.000 claims description 14
- 238000009792 diffusion process Methods 0.000 claims description 13
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 10
- 229910052719 titanium Inorganic materials 0.000 claims description 10
- 239000000956 alloy Substances 0.000 claims description 9
- 229910045601 alloy Inorganic materials 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 54
- 238000012546 transfer Methods 0.000 description 22
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 20
- 101100289797 Fusarium sp LUC1 gene Proteins 0.000 description 14
- 229910052786 argon Inorganic materials 0.000 description 10
- 101100289798 Fusarium sp LUC2 gene Proteins 0.000 description 7
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 7
- 238000004544 sputter deposition Methods 0.000 description 7
- 229910052738 indium Inorganic materials 0.000 description 6
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 6
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 5
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 5
- 238000005229 chemical vapour deposition Methods 0.000 description 5
- 229910052733 gallium Inorganic materials 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 description 3
- 239000011135 tin Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 229910052735 hafnium Inorganic materials 0.000 description 2
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- KYKLWYKWCAYAJY-UHFFFAOYSA-N oxotin;zinc Chemical compound [Zn].[Sn]=O KYKLWYKWCAYAJY-UHFFFAOYSA-N 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 229910052718 tin Inorganic materials 0.000 description 2
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 2
- 239000011787 zinc oxide Substances 0.000 description 2
- 101100021996 Arabidopsis thaliana CYP97C1 gene Proteins 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 229910004205 SiNX Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 229910007717 ZnSnO Inorganic materials 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- AJNVQOSZGJRYEI-UHFFFAOYSA-N digallium;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Ga+3].[Ga+3] AJNVQOSZGJRYEI-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910001195 gallium oxide Inorganic materials 0.000 description 1
- YZZNJYQZJKSEER-UHFFFAOYSA-N gallium tin Chemical compound [Ga].[Sn] YZZNJYQZJKSEER-UHFFFAOYSA-N 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- HRHKULZDDYWVBE-UHFFFAOYSA-N indium;oxozinc;tin Chemical compound [In].[Sn].[Zn]=O HRHKULZDDYWVBE-UHFFFAOYSA-N 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- NQBRDZOHGALQCB-UHFFFAOYSA-N oxoindium Chemical compound [O].[In] NQBRDZOHGALQCB-UHFFFAOYSA-N 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 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
- 238000004528 spin coating Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium(II) oxide Chemical compound [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
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- H01L21/02271—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition
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Abstract
Description
도 2는 도 1의 상기 산화물 반도체 증착장치의 제1 로딩-언로딩 챔버를 자세히 나타낸 측단면도이다.
도 3은 도 2의 상기 제1 로딩-언로딩 챔버의 히터, 기판 및 캐소드 판의 크기를 설명하기 위한 평면도이다.
도 4는 도 2의 캐소드 판의 상부판을 나타낸 저면도이다.
도 5는 도 2의 캐소드 판을 나타낸 측단면도이다.
도 6은 본 발명의 다른 실시예에 따른 산화물 반도체 증착장치를 개략적으로 나타낸 단면도이다.
도 7은 도 6의 상기 산화물 반도체 증착장치의 히팅 챔버 및 버퍼 챔버를 자세히 나타낸 평단면도이다.
도 8은 도 6의 상기 산화물 반도체 증착장치의 히팅 챔버 및 버퍼 챔버를 자세히 나타낸 측단면도이다.
도 9는 도 8의 상기 버퍼 챔버의 가스 분사부를 자세히 나타낸 사시도이다.
도 10은 본 발명의 일 실시예에 따른 산화물 반도체의 제조 방법을 나타낸 흐름도이다.
도 11은 도 10의 상기 산화물 반도체의 제조 방법의 플라즈마 처리하는 단계를 자세히 나타낸 흐름도이다.
도 12는 도 10의 상기 산화물 반도체의 제조 방법의 액티브 패턴을 형성하는 단계를 자세히 나타낸 흐름도이다.
200: 히터 210: 중심부
220: 주변부 300: 캐소드 판
310: 상부판 320: 가스 유입관
350: 하부판 LUC1: 제1 로딩-언로딩 챔버
TC: 이송챔버 PC1: 제1 프로세스 챔버
Claims (18)
- 절연층을 포함하는 제1 기판을 가열 및 플라즈마 처리하기 위한 제1 로딩-언로딩 챔버; 및
상기 제1 로딩-언로딩 챔버로부터 이격되고, 상기 제1 로딩-언로딩 챔버로부터 이송된 상기 제1 기판의 상기 절연층 상에 산화물 반도체 층을 형성하기 위한 제1 프로세스 챔버를 포함하고,
상기 제1 로딩-언로딩 챔버는
챔버 바디;
상기 챔버 바디 내에 배치되고, 상기 제1 기판을 가열하기 위한 히터; 및
상기 히터와 이격되고 고주판 전압이 인가되는 캐소드 판을 포함하는 산화물 반도체 증착장치. - 제1항에 있어서,
상기 제1 로딩-언로딩 챔버는 상기 챔버 바디 내에 가스를 공급하는 가스 유입관을 더 포함하고,
상기 캐소드 판은 상부판 및 상기 상부판과 마주보는 하부판을 포함하고, 상기 상부판은 상기 가스 유입관과 연결되고, 상기 하부판에는 복수의 분사홀들이 형성되는 것을 특징으로 하는 산화물 반도체 증착장치. - 제2항에 있어서, 상기 제1 로딩-언로딩 챔버의 상기 상부판은
상기 하부판과 이격되는 확산부;
상기 확산부를 둘러 싸고 상기 하부 판과 접촉하는 측벽; 및
상기 확산부 상에 형성되고 상기 가스 유입관과 연결되는 메인 통로를 포함하는 것을 특징으로 하는 산화물 반도체 증착장치. - 제3항에 있어서, 상기 제1 로딩-언로딩 챔버의 상기 상부판은
상기 확산부 상에 형성되고 상기 메인통로와 연결되는 제1 가지 통로; 및
상기 제1 가지 통로와 연결되는 제2 가지 통로를 더 포함하는 것을 특징으로 하는 산화물 반도체 증착장치. - 제3항에 있어서,
상기 가스 유입관은 상기 캐소드 판의 상기 상부판의 상기 측벽을 통해 상기 메인 통로와 연결되는 것을 특징으로 하는 산화물 반도체 증착장치. - 제2항에 있어서,
상기 캐소드 판의 상기 상부판 및 상기 하부판은 알루미늄(Al), 티타늄(Ti) 및 이를 포함하는 합금 중 어느 하나 이상을 포함하는 것을 특징으로 하는 산화물 반도체 증착장치. - 제1항에 있어서,
평면에서 볼 때, 상기 제1 로딩-언로딩 챔버의 상기 히터의 크기는 상기 캐소드 판의 크기 보다 작고, 상기 제1 기판의 크기보다 큰 것을 특징으로 하는 산화물 반도체 증착장치. - 제7항에 있어서,
상기 캐소드 판의 크기는 상기 히터의 크기의 100% 초과 110% 이하인 것을 특징으로 하는 산화물 반도체 증착장치. - 삭제
- 제1항에 있어서,
상기 히터는 중심부 및 상기 중심부를 둘러싸는 주변부를 포함하고, 상기 중심부 및 상기 주변부는 서로 독립적으로 제어되는 것을 특징으로 하는 산화물 반도체 증착장치. - 기판 상에 절연층을 형성하는 단계;
제1 로딩-언로딩 챔버에서 상기 절연층의 표면을 플라즈마 처리하는 단계;
상기 기판을 상기 제1 로딩-언로딩 챔버로부터 제1 프로세스 챔버로 이송하는 단계; 및
상기 제1 프로세스 챔버에서 플라즈마 처리된 상기 절연층 상에 산화물 반도체를 포함하는 액티브 패턴을 형성하는 단계를 포함하고,
상기 플라즈마 처리하는 단계는
상기 절연층을 가열하는 단계; 및
상기 가열하는 단계 이후에 상기 절연층 상에 플라즈마를 발생하는 단계를 포함하는 것을 특징으로 하는 산화물 반도체의 제조 방법. - 제11항에 있어서, 상기 플라즈마 처리하는 단계는,
상기 플라즈마를 발생하는 단계 이후에 상기 절연층을 다시 가열하는 단계를 더 포함하는 것을 특징으로 하는 산화물 반도체의 제조 방법. - 제12항에 있어서, 상기 플라즈마 처리하는 단계의 상기 절연층을 가열하는 단계는,
상기 기판의 전체를 가열하는 제1 가열 단계; 및
상기 기판의 가장자리를 제외한 중심부만을 가열하는 제2 가열 단계를 포함하는 것을 특징으로 하는 산화물 반도체의 제조 방법. - 제13항에 있어서,
상기 제2 가열 단계 및 상기 플라즈마를 발생하는 단계에서는 상기 기판상에 플라즈마 처리를 위한 가스를 공급하는 것을 특징으로 하는 산화물 반도체의 제조 방법. - 제12항에 있어서, 상기 플라즈마 처리하는 단계는,
상기 절연층을 다시 가열하는 단계 이후에 상기 기판을 냉각하는 단계를 더 포함하는 것을 특징으로 하는 산화물 반도체의 제조 방법. - 제11항에 있어서, 상기 액티브 패턴을 형성하는 단계는,
상기 기판의 상기 절연층 상에 바닥층을 형성하는 단계;
상기 바닥층 상에 벌크층을 형성하는 단계; 및
상기 벌크층 상에 표면층을 형성하는 단계를 포함하는 것을 특징으로 하는 산화물 반도체의 제조 방법. - 제11항에 있어서, 상기 플라즈마 처리하는 단계에서는
챔버 바디, 상기 챔버 바디 내에 배치되고 상기 기판을 가열하기 위한 히터, 및 상기 히터와 이격되고 고주판 전압이 인가되는 캐소드 판을 포함하는 상기 제1 로딩-언로딩 챔버를 이용하여, 상기 기판 상에 플라즈마 처리하는 것을 특징으로 하는 산화물 반도체의 제조 방법. - 제17항에 있어서,
상기 캐소드 판은 알루미늄(Al), 티타늄(Ti) 및 이를 포함하는 합금 중 어느 하나 이상을 포함하는 것을 특징으로 하는 산화물 반도체의 제조 방법.
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