KR102528559B1 - 대면적 기판 제조 장치 - Google Patents
대면적 기판 제조 장치 Download PDFInfo
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- KR102528559B1 KR102528559B1 KR1020160094831A KR20160094831A KR102528559B1 KR 102528559 B1 KR102528559 B1 KR 102528559B1 KR 1020160094831 A KR1020160094831 A KR 1020160094831A KR 20160094831 A KR20160094831 A KR 20160094831A KR 102528559 B1 KR102528559 B1 KR 102528559B1
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- substrate
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- etching
- growth substrate
- deposition
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- 239000000758 substrate Substances 0.000 title claims abstract description 266
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 39
- 238000005530 etching Methods 0.000 claims abstract description 100
- 230000008021 deposition Effects 0.000 claims abstract description 54
- 238000000151 deposition Methods 0.000 claims description 52
- 239000000463 material Substances 0.000 claims description 46
- 238000007599 discharging Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 239000013077 target material Substances 0.000 description 71
- 239000007789 gas Substances 0.000 description 58
- 238000000034 method Methods 0.000 description 24
- 229910002601 GaN Inorganic materials 0.000 description 15
- 239000013078 crystal Substances 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 10
- 238000002248 hydride vapour-phase epitaxy Methods 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- 238000005137 deposition process Methods 0.000 description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 6
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 229910052710 silicon Inorganic materials 0.000 description 6
- 239000010703 silicon Substances 0.000 description 6
- 229910002704 AlGaN Inorganic materials 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 238000005229 chemical vapour deposition Methods 0.000 description 4
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 4
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 4
- 238000005336 cracking Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- XOYLJNJLGBYDTH-UHFFFAOYSA-M chlorogallium Chemical compound [Ga]Cl XOYLJNJLGBYDTH-UHFFFAOYSA-M 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 229910052594 sapphire Inorganic materials 0.000 description 2
- 239000010980 sapphire Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000002123 temporal effect Effects 0.000 description 2
- 101150015071 vent1 gene Proteins 0.000 description 2
- 229910017083 AlN Inorganic materials 0.000 description 1
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 229910010093 LiAlO Inorganic materials 0.000 description 1
- 229910020068 MgAl Inorganic materials 0.000 description 1
- 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
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- VJBCNMFKFZIXHC-UHFFFAOYSA-N azanium;2-(4-methyl-5-oxo-4-propan-2-yl-1h-imidazol-2-yl)quinoline-3-carboxylate Chemical compound N.N1C(=O)C(C(C)C)(C)N=C1C1=NC2=CC=CC=C2C=C1C(O)=O VJBCNMFKFZIXHC-UHFFFAOYSA-N 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- -1 for example Substances 0.000 description 1
- 229910000449 hafnium oxide Inorganic materials 0.000 description 1
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 description 1
- 238000001451 molecular beam epitaxy Methods 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000000926 separation method Methods 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
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000000927 vapour-phase epitaxy Methods 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
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- C30B25/00—Single-crystal growth by chemical reaction of reactive gases, e.g. chemical vapour-deposition growth
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Abstract
Description
도 2는 서셉터 및 서셉터 커버와 기판들의 결합 관계를 보다 상세하게 나타낸 분해 사시도이다.
도 3은 서셉터 및 서셉터 커버와 기판들의 결합 관계를 보다 상세하게 나타낸 측단면도 및 평면도이다.
도 4a는 본 발명의 다른 실시예에 따른 서셉터 및 서셉터 커버와 기판들의 결합 관계를 보다 상세하게 나타낸 측단면도 및 평면도이다.
도 4b 내지 도 4e는 각각 걸림턱들의 다양한 모양을 나타내는 부분 사시도들이다.
도 5는 본 발명의 다른 실시예에 따른 내부 라이너 및 서셉터의 구성을 나타내는 개념적인 측단면도이다.
도 6a 및 도 6b는 본 발명의 실시예들에 따른 서셉터 커버들과 그에 따른 목표 물질막의 형태들을 나타낸 부분 측단면도들이다.
도 7a는 본 발명의 다른 실시예에 따른 서셉터 커버를 나타낸 사시도이다.
도 7b는 도 7a의 서셉터 커버를 이용하였을 때의 식각 섹션을 개념적으로 나타낸 측단면도이다.
도 8은 본 발명의 다른 실시예에 따른 서셉터를 사용할 때 서셉터 커버와의 결합되는 모습을 개념적으로 나타낸 분해 사시도이다.
도 9a는 본 발명의 추가적인 실시예에 따른 서셉터의 구조를 나타낸 단면 사시도이다.
도 9b는 도 9a의 서셉터에 성장 기판이 안착되어 그 위에 목표 물질막 등이 형성된 모습을 나타낸 평면도이다.
도 9c 및 도 9d는 성장 기판을 식각하여 제거함에 따른 변화를 나타낸 측단면도들이다.
도 10은 본 발명의 다른 실시예에 따른 대면적 기판 제조 장치를 개념적으로 나타낸 측단면도이다.
도 11은 본 발명의 또 다른 실시예에 따른 프리스탠딩 기판의 제조 장치를 개념적으로 나타낸 모식도이다.
도 12는 본 발명의 일 실시예에 따라 프리스탠딩 기판을 제조하기 위한 방법을 나타낸 순서도이다.
도 13a 내지 도 13c는 성장 기판 상에 목표 물질막을 형성하는 단계와 성장 기판을 식각하여 제거하는 단계의 시간적 순서를 나타낸 타이밍도들이다.
도 14는 본 발명의 다른 실시예에 따라 프리스탠딩 기판을 제조하기 위한 방법을 나타낸 순서도이다.
3: 목표 물질막 110, 110a, 110b: 서셉터
110h: 출구 포트 110P, 110P_1, 110P_2: 걸림턱
110w: 내측 측벽 112: 내부 라이너
114, 114a, 114b, 114c, 114d: 서셉터 커버
116: 확산판 119: 리프팅 서포트
120: 증착 챔버 하우징 130: 가스 공급 장치
132: 가스 노즐 140: 공급 라인
150: 배출 라인 160, 260: 필터
201: 배기 튜브 203: 배플판
Claims (10)
- 성장 기판을 수용하는 증착 챔버 하우징;
상기 성장 기판 상에 대면적 목표 기판을 형성하기 위하여 상기 증착 챔버 하우징 내부로 증착 가스를 공급할 수 있는 공급 노즐;
성장 기판을 지지할 수 있고 상기 성장 기판의 뒷면을 식각 가스에 노출시킬 수 있는 서셉터; 및
상기 서셉터에 연결되고 상기 식각 가스가 상기 증착 가스와 격리된 채 상기 성장 기판의 뒷면에 도달할 수 있도록 상기 식각 가스를 가이드하는 내부 라이너;를 포함하고,
상기 서셉터는 상기 성장 기판의 뒷면을 노출하기 위한 센터홀 및 상기 센터홀을 정의하는 내측 측벽으로부터 상기 센터홀의 중심을 향하여 돌출되고 상기 성장 기판을 지지할 수 있는 걸림턱을 가지며,
상기 서셉터는 상기 성장 기판을 식각시킴으로써 생성된 식각 생성물 가스를 상기 내부 라이너로부터 배출할 수 있는 출구 포트를 가지며, 상기 출구 포트는 상기 서셉터를 관통하여 상기 내측 측벽으로부터 외측 측벽까지 연장되는 것을 특징으로 하는 대면적 기판 제조 장치. - 제 1 항에 있어서,
상기 걸림턱은 상기 내측 측벽 상에서 돌출되어 원주 방향으로 연장되는 것을 특징으로 하는 대면적 기판 제조 장치. - 제 1 항에 있어서,
상기 걸림턱은 상기 내측 측벽으로부터 상기 센터홀의 중심을 향하여 기둥 형태로 연장되는 것을 특징으로 하는 대면적 기판 제조 장치. - 삭제
- 삭제
- 제 1 항에 있어서,
상기 서셉터는 원주 방향을 따라 배치된 복수의 출구 포트들을 구비하는 것을 특징으로 하는 대면적 기판 제조 장치. - 제 1 항에 있어서,
상기 걸림턱은 상기 내측 측벽 상에서 돌출되어 원주 방향으로 연장되는 제 1 부분 및 상기 제 1 부분으로부터 상기 센터홀의 중심을 향하여 기둥 형태로 연장되는 제 2 부분을 포함하는 것을 특징으로 하는 대면적 기판 제조 장치. - 제 7 항에 있어서,
상기 성장 기판은 윗면 가장자리를 따라 소정 폭의 절연층 패턴을 갖고,
상기 절연층 패턴의 내측 가장자리가 상기 제 2 부분의 상부에 배치되도록 구성된 것을 특징으로 하는 대면적 기판 제조 장치. - 제 1 항에 있어서,
상기 내부 라이너 내에 상기 성장 기판을 식각시킴으로써 생성된 식각 생성물 가스를 내부 라이너로부터 배출할 수 있는 배기 튜브를 더 포함하는 것을 특징으로 하는 대면적 기판 제조 장치. - 제 1 기판 상에 제 2 기판의 물질막을 증착시킬 수 있는 증착 가스를 공급할 수 있도록 구성된 증착 섹션;
식각 가스를 이용하여 상기 제 1 기판을 식각하여 제거할 수 있는 식각 섹션;
상기 증착 섹션과 상기 식각 섹션 사이에 위치하며, 상기 제 1 기판을 지지할 수 있는 서셉터로서, 상기 서셉터는 상기 제1 기판을 식각시킴으로써 생성된 식각 생성물 가스를 배출할 수 있는 출구 포트를 가지며, 상기 출구 포트는 상기 서셉터를 관통하여 상기 서셉터의 내측 측벽으로부터 외측 측벽까지 연장되는, 상기 서셉터; 및
상기 증착 및 식각을 제어할 수 있는 컨트롤러;를 포함하고,
상기 컨트롤러는 상기 증착을 상기 식각보다 먼저 개시하되 상기 증착의 수행 시기와 상기 식각의 수행 시기가 적어도 부분적으로 중첩되도록 할 수 있도록 구성된 프리스탠딩(free-standing) 기판의 제조 장치.
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US10900142B2 (en) | 2021-01-26 |
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