KR101131022B1 - 플라즈마 반응기 에칭 레이트 드리프트를 감소시키는 온도 제어 핫 에지 링 어셈블리 - Google Patents
플라즈마 반응기 에칭 레이트 드리프트를 감소시키는 온도 제어 핫 에지 링 어셈블리 Download PDFInfo
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Abstract
Description
Claims (25)
- 플라즈마 반응 챔버에서 반도체 기판 지지대를 둘러싸도록 구성된 온도 제어 핫 에지 링 어셈블리로서,전기적 도전성 재료로 제조된 하부 링;열 전도성을 갖는 유전체, 반도전성(semi-conductive) 재료로 된 중간 링으로서, 상기 중간 링은 상기 하부 링 위에 놓이며, 상기 하부 링을 통해 상기 기판 지지대에 포함된 온도 제어 RF 전극에 부착되도록 구성된, 상기 중간 링; 및상기 중간 링 위에 놓이며, 플라즈마 반응 챔버의 내부에 노출된 상면을 갖고, 기판이 상기 기판 지지대 상에 배치될 경우에 상기 기판 아래로 연장되는 부분을 갖는 상부 링을 포함하고, 상기 하부 링은 상기 RF 전극과 직접 접촉하는, 온도 제어 핫 에지 링 어셈블리.
- 제 1 항에 있어서,상기 중간 링은 알루미늄 옥사이드로 제조되는, 온도 제어 핫 에지 링 어셈블리.
- 제 1 항에 있어서,상기 중간 링은, 석영, 실리콘, 실리콘 카바이드, 알루미늄 옥사이드, 또는 알루미늄 나이트라이드로 제조되는, 온도 제어 핫 에지 링 어셈블리.
- 제 1 항에 있어서,상기 하부 링은, 알루미늄 또는 알루미늄의 합금으로 제조되는, 온도 제어 핫 에지 링 어셈블리.
- 제 1 항에 있어서,상기 하부 링은, 알루미늄, 알루미늄 합금, 황동 (brass), 구리, 구리 합금 또는 스테인레스 스틸로 제조되는, 온도 제어 핫 에지 링 어셈블리.
- 제 1 항에 있어서,상기 상부 링의 하면은, 열 전도성 엘라스토머 (elastomer) 를 통해 상기 중간 링의 상면에 본딩되는, 온도 제어 핫 에지 링 어셈블리.
- 제 1 항에 있어서,상기 하부 링은, 상기 하부 링을 상기 RF 전극에 볼트로 고정하도록 구성된 복수의 홀을 갖는, 온도 제어 핫 에지 링 어셈블리.
- 제 1 항에 있어서,상기 하부 링 및 상기 중간 링은, 상기 중간 링을 상기 하부 링에 볼트로 고정하도록 구성된 복수의 홀을 갖는, 온도 제어 핫 에지 링 어셈블리.
- 제 1 항에 있어서,상기 하부 링은, 실질적으로 L-형상 단면을 갖는, 온도 제어 핫 에지 링 어셈블리.
- 제 7 항에 있어서,일단에 테이퍼링된 헤드 및 타단에 나사산 (screw thread) 을 가지며, 상기 하부 링을 상기 RF 전극에 볼트로 고정하도록 구성된 제 1 볼트를 더 포함하는, 온도 제어 핫 에지 링 어셈블리.
- 제 10 항에 있어서,일단에 헤드 및 타단에 나사산을 가지며, 상기 중간 링을 상기 하부 링에 볼트로 고정하도록 구성된 제 2 볼트를 더 포함하는, 온도 제어 핫 에지 링 어셈블리.
- 제 1 항에 있어서,일단에 헤드 및 타단에 나사산을 갖는 볼트를 수용하도록 구성되며, 상기 상부 링과 상기 중간 링 사이에 위치되는 도전성 와셔를 더 포함하는, 온도 제어 핫 에지 링 어셈블리.
- 제 12 항에 있어서,상기 상부 링 내에, 상기 온도 제어 핫 에지 링 어셈블리 내로부터 압력을 방출 (release) 하도록 구성된 벤트 홀 (vent hole) 을 갖는 캡을 수용하는 복수의 홀들을 더 포함하는, 온도 제어 핫 에지 링 어셈블리.
- 제 1 항에 있어서,상기 상부 링은, 실리콘, 카본, 그래파이트, 또는 실리콘 카바이드로 제조되는, 온도 제어 핫 에지 링 어셈블리.
- 삭제
- 반도체 기판을 처리하도록 구성된 처리 챔버;상기 기판을 처리하기 위해 상기 처리 챔버의 내부의 프로세스 가스를 플라즈마 상태로 에너자이징하는 전원;상기 처리 챔버의 상기 내부에서 상기 기판을 지지하고, 온도 제어 RF 전극을 포함하는 기판 지지대;전기적 도전성 재료로 제조된 하부 링;유전체의 반도전성 (semi-conductive) 재료로 된 중간 링으로서, 상기 중간 링은 상기 하부 링 위에 놓이며, 상기 하부 링을 통해 상기 RF 전극에 부착되도록 구성되고, 상기 하부 링은 상기 RF 전극과 직접 접촉된, 상기 중간 링; 및상기 기판을 둘러싸도록 구성되고, 상기 중간 링 위에 놓이며, 상기 처리 챔버 내부에 노출된 상면을 갖고, 기판이 상기 기판 지지대 상에 배치될 경우에 상기 기판 아래로 연장되는 부분을 갖는 상부 링을 포함하는, 플라즈마 처리 장치.
- 제 16 항에 있어서,상기 상부 링은, 열 전도성 엘라스토머에 의해 상기 중간 링에 본딩되는, 플라즈마 처리 장치.
- 제 16 항에 있어서,상기 하부 링은, 알루미늄 또는 알루미늄의 합금으로 제조되는, 플라즈마 처리 장치.
- 제 16 항에 있어서,상기 중간 링은 알루미늄 옥사이드로 제조되는, 플라즈마 처리 장치.
- 제 16 항에 있어서,상기 상부 링은, 실리콘, 카본, 실리콘 카바이드 및 그래파이트로 이루어진 그룹으로부터 선택된 재료로부터 제조되는, 플라즈마 처리 장치.
- 제 16 항에 있어서,상기 처리 챔버는 반도체 플라즈마 에칭 장치인, 플라즈마 처리 장치.
- 제 16 항에 있어서,상기 상부 링, 상기 중간 링, 상기 하부 링 및 상기 RF 전극을 둘러싸는 석영 외측 링을 더 포함하는, 플라즈마 처리 장치.
- 플라즈마 처리 시스템에서 복수의 기판들에 대한 프로세스 드리프트 (process drift) 를 감소시키는 방법으로서,제 16 항의 플라즈마 처리 장치에 기판을 위치시키는 단계;상기 챔버에 처리 가스를 공급하는 단계;상기 기판 지지대의 상면에 인접하게 플라즈마를 형성하는 단계; 및상기 플라즈마 처리 장치에서 복수의 기판들을 순차적으로 처리하는 단계로서, 제 1 기판이 상기 기판 지지대로부터 제거된 이후 및 후속 기판이 상기 기판 지지대 상에 배치되기 이전에, 상기 상부 링의 온도는 실질적으로 초기 온도로 냉각되어 프로세스 드리프트를 감소시키는, 상기 복수의 기판들을 순차적으로 처리하는 단계를 포함하는, 프로세스 드리프트의 감소 방법.
- 제 23 항에 있어서,상기 기판은 반도체 웨이퍼를 포함하며,상기 복수의 기판들을 순차적으로 처리하는 단계는 상기 반도체 웨이퍼를 상기 플라즈마로 에칭하는 단계를 포함하는, 프로세스 드리프트의 감소 방법.
- 제 16 항에 있어서,상기 하부 링은 알루미늄, 알루미늄 합금, 황동, 구리, 구리 합금 또는 스테인레스 스틸로 제조되고 상기 중간 링은 수정, 석영, 실리콘 카바이드, 알루미늄 옥사이드 또는 알루미늄 나이트라이드로 제조된, 플라즈마 처리 장치.
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US10/736,666 US7244336B2 (en) | 2003-12-17 | 2003-12-17 | Temperature controlled hot edge ring assembly for reducing plasma reactor etch rate drift |
US10/736,666 | 2003-12-17 | ||
PCT/US2004/041768 WO2005059962A2 (en) | 2003-12-17 | 2004-12-10 | Temperature controlled hot edge ring assembly for reducing plasma reactor etch rate drift |
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KR20060127041A KR20060127041A (ko) | 2006-12-11 |
KR101131022B1 true KR101131022B1 (ko) | 2012-03-29 |
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EP (1) | EP1706898B1 (ko) |
JP (1) | JP4913603B2 (ko) |
KR (1) | KR101131022B1 (ko) |
CN (1) | CN100474521C (ko) |
TW (1) | TWI368274B (ko) |
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TWI780093B (zh) * | 2017-12-15 | 2022-10-11 | 美商蘭姆研究公司 | 用於電漿腔室的環結構及系統 |
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TW200525635A (en) | 2005-08-01 |
EP1706898B1 (en) | 2017-09-20 |
EP1706898A4 (en) | 2010-01-20 |
WO2005059962A3 (en) | 2006-02-23 |
JP4913603B2 (ja) | 2012-04-11 |
CN1914712A (zh) | 2007-02-14 |
US7244336B2 (en) | 2007-07-17 |
US20050133164A1 (en) | 2005-06-23 |
KR20060127041A (ko) | 2006-12-11 |
EP1706898A2 (en) | 2006-10-04 |
TWI368274B (en) | 2012-07-11 |
WO2005059962A2 (en) | 2005-06-30 |
CN100474521C (zh) | 2009-04-01 |
JP2007515081A (ja) | 2007-06-07 |
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