KR20070095198A - 기상성장방법과 기상성장장치 - Google Patents
기상성장방법과 기상성장장치 Download PDFInfo
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Abstract
Description
Claims (14)
- 챔버내에서 지지대상에 재치된 기판이 수용되고, 상기 지지대상에 재치된 상기 기판상에 성막하기 위한 가스를 공급하는 제 1 유로 및 가스를 배기하는 제 2 유로가 접속된 기상성장장치를 사용한 기상성장방법에 있어서,상기 기판을 회전시키고,상기 성막하기 위한 반응가스 및 캐리어 가스를 공급하여, 상기 기판상에 반도체층을 기상성장시키고,상기 기판상에 상기 반도체층을 기상성장시킬 때, 상기 반응가스 및 캐리어 가스의 유량과 농도, 상기 챔버내의 진공도, 상기 기판 온도 및 상기 기판을 회전시키는 회전 속도를 제어하여, 상기 반도체층의 막두께를 균일하게 하는 것을 특징으로 하는 기상성장방법.
- 제 1 항에 있어서,상기 성막하기 위한 반응가스는 트리클로로실란, 캐리어 가스는 수소이고, 상기 챔버내의 트리클로로실란의 농도 조정을 8% 이내로 하고, 상기 챔버내 압력을 6.7~10.6×104Pa로 하고, 상기 기판의 회전수를 500~1500min-1로 하며 상기 기판의 온도를 1100℃~1140℃으로 함으로써, 성장속도 8㎛/min 이상에서 상기 반도체층을 성장시키고, 상기 반도체층의 면내의 막두께 분포를 0.5% 이내로 한 것을 특징으로 하는 기상성장방법.
- 제 2 항에 있어서,상기 지지대에는 움푹 패인 부분이 있는 제 1 오목부와, 상기 제 1 오목부의 저부에 더욱 움푹 패인 부분을 갖는 제 2 오목부가 설치되고, 상기 제 2 오목부의 깊이는 상기 기판의 두께보다 낮게 구성함으로써, 상기 제 1 유로로부터의 가스의 흐름을 상기 기판상에서 균일하게 하고, 상기 반도체층의 면내의 막두께 분포를 0.5% 이내로 한 것을 특징으로 하는 기상성장방법.
- 제 2 항에 있어서,상기 지지대에는 상기 기판에 대해서 기판면과 동일한 방향의 실질적으로 수평인 방향의 이동을 구속하고 상기 기판을 둘러싸도록 배치된 복수의 제 1 볼록부가 설치되고, 또한 상기 기판과 접촉하는 면에 복수의 제 2 볼록부가 설치되고, 상기 제 2 볼록부의 꼭대기면에서 상기 기판을 지지하도록 하고, 상기 제 1 유로로부터 상기 기판상에 가스를 흘려 상기 반도체층의 면내의 막두께 분포를 0.5% 이내로 한 것을 특징으로 하는 기상성장방법.
- 제 2 항에 있어서,상기 지지대에는 움푹 패인 부분을 갖는 제 1 오목부와, 상기 제 1 오목부의 저부에 더욱 움푹 패인 부분을 갖는 제 2 오목부가 설치되고, 상기 제 2 오목부의 깊이는 상기 기판의 두께보다 낮게 구성하고, 또한 상기 기판에 대해서 기판면과 동일한 방향의 실질적으로 수평인 방향의 이동을 구속하고 상기 기판을 둘러싸도록 배치된 복수의 제 1 볼록부를 설치하고, 또한 상기 기판과 접촉하는 면에 복수의 제 2 볼록부를 설치하고, 상기 제 2 볼록부의 꼭대기면에서 상기 기판을 지지하도록 하여, 상기 제 1 유로로부터의 가스의 흐름을 상기 기판상에서 균일하게 하고, 상기 반도체층의 면내의 막두께 분포를 0.5% 이내로 한 것을 특징으로 하는 기상성장방법.
- 제 5 항에 있어서,상기 제 1 오목부의 깊이는 상기 기판의 두께보다 작게 구성하는 것을 특징으로 하는 기상성장방법.
- 제 2 항에 있어서,상기 지지대에는 상기 기판에 대해서 기판면과 동일한 방향의 실질적으로 수평인 방향의 이동을 구속하고 상기 기판을 둘러싸도록 배치된 복수의 볼록부가 설치되고, 기판 이면과 접촉하는 면에서 기판을 지지하는 것을 특징으로 하는 기상성장방법.
- 제 7 항에 있어서,상기 볼록부는 기판의 중심 방향을 향하여 연장되고, 볼록부의 중심방향을 향하는 길이가 상기 가스에 의해 기판 표면에 성막되는 막의 막두께의 2배 이상의 크기로 형성되는 것을 특징으로 하는 기상성장방법.
- 성막시에 내부 압력이 6.7~10.6×104Pa로 제어된 챔버,트리클로로실란의 농도가 8% 이내로 제어된 트리클로로실란 가스와 캐리어 가스의 혼합 가스를 상기 챔버내에 공급하는 유로,상기 챔버내에서 기판을 재치하고, 성막시에 500~1500 min-1의 회전수로 상기 기판을 회전시키는 지지대, 및상기 기판의 온도를 성막시에 1100℃~1140℃으로 제어하는 히터를 구비한 것을 특징으로 하는 기상성장장치.
- 제 9 항에 있어서,상기 지지대에는 상기 기판에 대해서 기판면과 동일한 방향의 실질적으로 수평인 방향의 이동을 구속하고 상기 기판을 둘러싸도록 배치된 복수의 볼록부가 설치되고, 상기 기판 이면과 접촉하는 면에서 상기 기판이 지지되어 있는 것을 특징으로 하는 기상성장장치.
- 제 10 항에 있어서,상기 볼록부는 선단부분이 R형상으로 형성되는 것을 특징으로 하는 기상성장 장치.
- 제 10 항에 있어서,상기 볼록부는 선단부분이 구형상으로 형성되는 것을 특징으로 하는 기상성장장치.
- 제 9 항에 있어서,상기 지지대에는 상기 기판에 대해서 기판면과 동일한 방향의 실질적으로 수평인 방향의 이동을 구속하고 상기 기판을 둘러싸도록 배치된 복수의 제 1 볼록부가 설치되고, 또한 기판과 접촉하는 면에 복수의 제 2 볼록부가 설치되고, 상기 제 2 볼록부의 꼭대기면에서 기판을 지지하는 것을 특징으로 하는 기상성장장치.
- 제 9 항에 있어서,상기 지지대에는 움푹 패인 부분을 갖는 제 1 오목부와, 상기 제 1 오목부의 저부에 더욱 움푹 패인 부분을 갖는 제 2 오목부가 설치되고, 상기 제 2 오목부의 저면에서 상기 기판을 지지하는 것을 특징으로 하는 기상성장장치.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JPJP-P-2006-00075894 | 2006-03-20 | ||
JP2006075894A JP2007251078A (ja) | 2006-03-20 | 2006-03-20 | 気相成長装置 |
Publications (2)
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KR20070095198A true KR20070095198A (ko) | 2007-09-28 |
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JP (1) | JP2007251078A (ko) |
KR (1) | KR100852857B1 (ko) |
CN (1) | CN100562976C (ko) |
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- 2007-03-15 KR KR1020070025411A patent/KR100852857B1/ko not_active IP Right Cessation
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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US11674226B2 (en) | 2015-06-30 | 2023-06-13 | Lam Research Corporation | Separation of plasma suppression and wafer edge to improve edge film thickness uniformity |
KR20170052505A (ko) * | 2015-11-04 | 2017-05-12 | 도쿄엘렉트론가부시키가이샤 | 기판 처리 장치, 기판 처리 방법 및 기판 보유 지지 부재 |
Also Published As
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TW200741042A (en) | 2007-11-01 |
CN101043001A (zh) | 2007-09-26 |
TWI335945B (en) | 2011-01-11 |
US8007588B2 (en) | 2011-08-30 |
US20070218664A1 (en) | 2007-09-20 |
KR100852857B1 (ko) | 2008-08-18 |
CN100562976C (zh) | 2009-11-25 |
JP2007251078A (ja) | 2007-09-27 |
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