KR20100138687A - 플라즈마처리장치 및 플라즈마처리방법 - Google Patents
플라즈마처리장치 및 플라즈마처리방법 Download PDFInfo
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Abstract
Description
Claims (7)
- 진공 배기수단에 의해 배기된 진공용기와, 진공용기에 가스를 공급하기 위한 가스공급수단과, 플라즈마를 생성하기 위한 고주파 전원과, 피처리 기판과 이 기판의 바깥 둘레부에 배치된 포커스링을 탑재하는 기판 스테이지와, 상기 기판 스테이지에 고주파 바이어스 전력을 인가하는 고주파 바이어스 전원과, 상기 고주파 바이어스 전원으로부터 출력된 고주파 바이어스 전력의 일부를 포커스링으로 분배하여 인가하는 전력 분배수단을 구비한 플라즈마처리장치에 있어서,상기 포커스링의 이면에 열전달 가스를 도입하는 전열 가스 홈과, 그 아래쪽으로 냉매를 흘리기 위한 냉매 홈을 상기 기판 스테이지에 형성하고,상기 포커스링에 대한 고주파 바이어스 전력의 인가시간을 기억하는 기억매체와,이 기억된 인가시간에 따라, 포커스링에 대한 고주파 전력의 분배를 바꾸도록 상기 전력 분배수단을 제어함과 동시에, 상기 열전달 가스의 압력과 상기 냉매 온도의 적어도 한쪽을 제어하는 제어수단을 설치한 것을 특징으로 한 플라즈마처리장치.
- 제 1항에 있어서,상기 포커스링의 하부에 정전 흡착층과 전극층 및 절연층을 일체로 형성하고, 상기 정전 흡착층과 포커스링의 사이에 상기 열전달 가스 홈을 형성한 것을 특 징으로 한 플라즈마처리장치.
- 제 1항에 있어서,상기 포커스링의 하부에 전극링과, 그 하부에 절연링을 구비하고, 상기 절연 링의 상면에 용사에 의해 정전 흡착층을 형성하며, 상기 포커스링 하면과 상기 정전 흡착층의 상면과의 사이, 상기 전극링 하면과 상기 절연링 상면과의 사이 및 상기 절연링 하면과 기판 스테이지의 기재 바깥 둘레부의 상면과의 사이에, 열전달 가스를 개재시키는 것을 특징으로 한 플라즈마처리장치.
- 제 1항 내지 제 3항 중 어느 한 항에 있어서,상기 제어수단은 상기 포커스링으로 분배하는 전력에 대응하여, 열전달 가스의 압력을 제어하는 것을 특징으로 한 플라즈마처리장치.
- 제 1항 내지 제 3항 중 어느 한 항에 있어서,상기 제어수단은, 상기 포커스링으로 분배하는 전력에 대응하여, 상기 포커스링 하부로 흘리는 냉매의 온도를 제어하는 것을 특징으로 하는 플라즈마처리장치.
- 제 1항 내지 제 3항 중 어느 한 항에 있어서,상기 제어수단은 상기 포커스링으로 분배하는 전력에 대응하여, 열전달 가스 의 압력과 포커스링 하부로 흘리는 냉매의 온도를 제어하는 것을 특징으로 한 플라즈마처리장치.
- 진공용기 내에 가스를 공급하여 기판 스테이지에 탑재된 피처리 기판을 플라즈마처리하는 플라즈마처리방법에 있어서,상기 기판 스테이지에는, 플라즈마생성용 고주파 전원과는 다른 소정의 고주파 바이어스 전력이 고주파 바이어스 전원으로부터 인가되고,상기 피처리 기판의 주변에 배치된 포커스링에는, 상기 고주파 바이어스 전원으로부터 출력된 고주파 바이어스 전력이 전력 분배수단에 의해 분배되어 인가되고,상기 플라즈마처리에 의한 상기 포커스링에 대한 고주파 바이어스 전력의 인가시간에 따라, 상기 포커스링에 인가하는 고주파 바이어스 전력을 상기 전력 분배수단을 제어함으로써 변화시키는 한편,상기 기판 스테이지에 인가하는 상기 고주파 바이어스 전력은, 상기 고주파 바이어스 전원의 출력을 제어함으로써 제어되고,상기 포커스링에 인가하는 고주파 바이어스 전력에 따라, 상기 포커스링이 소정 온도가 되도록 제어되는 것을 특징으로 하는 플라즈마처리방법.
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JPJP-P-2009-149772 | 2009-06-24 | ||
JP2009149772A JP5357639B2 (ja) | 2009-06-24 | 2009-06-24 | プラズマ処理装置およびプラズマ処理方法 |
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Cited By (6)
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KR20130137959A (ko) | 2012-06-08 | 2013-12-18 | 세메스 주식회사 | 기판처리장치 |
KR20130137962A (ko) | 2012-06-08 | 2013-12-18 | 세메스 주식회사 | 기판처리장치 |
KR20140001540A (ko) | 2012-06-27 | 2014-01-07 | 세메스 주식회사 | 기판처리장치 |
KR20170008138A (ko) * | 2015-07-13 | 2017-01-23 | 램 리써치 코포레이션 | 에지-국부화된 이온 궤적 제어 및 플라즈마 동작을 통한 선단 에지 시스 및 웨이퍼 프로파일 튜닝 |
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JP5822578B2 (ja) * | 2011-07-20 | 2015-11-24 | 東京エレクトロン株式会社 | 載置台温度制御装置及び基板処理装置 |
US9947559B2 (en) * | 2011-10-28 | 2018-04-17 | Applied Materials, Inc. | Thermal management of edge ring in semiconductor processing |
US20130107415A1 (en) * | 2011-10-28 | 2013-05-02 | Applied Materials, Inc. | Electrostatic chuck |
US9412579B2 (en) * | 2012-04-26 | 2016-08-09 | Applied Materials, Inc. | Methods and apparatus for controlling substrate uniformity |
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JP6100564B2 (ja) * | 2013-01-24 | 2017-03-22 | 東京エレクトロン株式会社 | 基板処理装置及び載置台 |
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- 2009-06-24 JP JP2009149772A patent/JP5357639B2/ja not_active Expired - Fee Related
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KR20130137962A (ko) | 2012-06-08 | 2013-12-18 | 세메스 주식회사 | 기판처리장치 |
KR20140001540A (ko) | 2012-06-27 | 2014-01-07 | 세메스 주식회사 | 기판처리장치 |
KR20170008138A (ko) * | 2015-07-13 | 2017-01-23 | 램 리써치 코포레이션 | 에지-국부화된 이온 궤적 제어 및 플라즈마 동작을 통한 선단 에지 시스 및 웨이퍼 프로파일 튜닝 |
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US20100326957A1 (en) | 2010-12-30 |
KR101066974B1 (ko) | 2011-09-22 |
JP2011009351A (ja) | 2011-01-13 |
JP5357639B2 (ja) | 2013-12-04 |
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