KR102646838B1 - 증착 프로세스들을 위한 마스크의 척킹을 위한 기판 지지부 - Google Patents
증착 프로세스들을 위한 마스크의 척킹을 위한 기판 지지부 Download PDFInfo
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- KR102646838B1 KR102646838B1 KR1020217028187A KR20217028187A KR102646838B1 KR 102646838 B1 KR102646838 B1 KR 102646838B1 KR 1020217028187 A KR1020217028187 A KR 1020217028187A KR 20217028187 A KR20217028187 A KR 20217028187A KR 102646838 B1 KR102646838 B1 KR 102646838B1
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Abstract
Description
[0009] 도 1은 일 실시예에 따른 PECVD(plasma enhanced chemical vapor deposition) 챔버의 개략적인 단면도이다.
[0010] 도 2는 도 1의 PECVD 챔버의 챔버 본체에 사용되는 내부 챔버 컴포넌트들의 분해 등각도이다.
[0011] 도 3은 본 명세서에 개시되는 것과 같은 기판 지지부의 일부의 일 실시예의 측단면도이다.
[0012] 도 4a - 도 4c는 상이한 전기적 구성들을 갖는 정전 척 및 기판 지지부의 부분들의 개략적인 단면도들이다.
[0013] 도 5a는 다른 구현에 따른 기판 지지부의 일부의 측단면도이다.
[0014] 도 5b는 도 5a의 기판 지지부의 확대도이다.
[0015] 도 6은 압축 가능 버튼의 일 실시예를 도시하는, 기판 지지부의 바디 및 마스크 프레임의 일부의 단면도이다.
[0016] 이해를 용이하게 하기 위해, 도면들에 대해 공통인 동일한 엘리먼트(element)들을 가리키는 데, 가능한 경우, 동일한 참조 부호들이 사용되었다. 일 실시예에서 개시된 엘리먼트들은 구체적인 언급 없이도 다른 실시예들에서 유리하게 활용될 수 있다고 예상된다.
Claims (20)
- 기판 수용면;
상기 기판 수용면의 주변부 주위에 배치된 리세스된 부분;
상기 기판 수용면 아래에 배치된 정전 척; 및
상기 리세스된 부분에 형성된 각각의 개구 내에 배치되어, 상기 정전 척과 전기 회로를 형성하는 복수의 압축 가능 버튼들을 포함하고,
상기 개구는 마스크의 마스크 프레임을 수용하도록 구성되고;
각각의 압축 가능 버튼은 상기 리세스된 부분 내에 형성된 블라인드 홀 내에 이동 가능하게 배치되는 접촉 핀을 포함하고;
상기 블라인드 홀 내에 적어도 부분적으로 배치되는 탄성 부재는 상기 접촉 핀을 상기 마스크 프레임 쪽으로 바이어스하여 상기 마스크 프레임에 접촉하도록 구성되고; 그리고
상기 정전 척은 상기 마스크를 척킹하도록 구성되는,
기판 지지부. - 제1 항에 있어서,
상기 정전 척은 상기 기판 지지부의 바디의 상부면에 부착된 유전체 층을 포함하는,
기판 지지부. - 제2 항에 있어서,
상기 유전체 층은 세라믹 재료를 포함하는,
기판 지지부. - 제2 항에 있어서,
전극이 상기 유전체 층에 매립되는,
기판 지지부. - 제2 항에 있어서,
상기 유전체 층은 상기 기판 수용면 상에 홈 패턴을 형성하도록 양각(emboss)되는,
기판 지지부. - 제1 항에 있어서,
상기 기판 수용면은 홈 패턴을 포함하는,
기판 지지부. - 제1 항에 있어서,
상기 기판 수용면은 유전체 층을 포함하는,
기판 지지부. - 제7 항에 있어서,
상기 유전체 층은 상기 기판 수용면 외부로 확장되는,
기판 지지부. - 제7 항에 있어서,
상기 기판 지지부의 바디는 측벽을 포함하고, 상기 유전체 층은 상기 측벽의 일부를 커버하는,
기판 지지부. - 전도성 재료를 포함하는 바디;
상기 바디에 부착된 유전체 층을 포함하는 기판 수용면 ― 상기 바디는 상기 기판 수용면의 주변부 주위에 배치된 리세스된 부분을 포함함 ―;
상기 기판 수용면 아래에 배치된 정전 척; 및
상기 리세스된 부분에 형성된 각각의 개구 내에 배치되어, 상기 정전 척과 전기 회로를 형성하는 복수의 압축 가능 버튼들을 포함하고,
상기 개구는 마스크의 마스크 프레임을 수용하도록 구성되고;
각각의 압축 가능 버튼은 상기 리세스된 부분 내에 형성된 블라인드 홀 내에 이동 가능하게 배치되는 접촉 핀을 포함하고;
상기 블라인드 홀 내에 적어도 부분적으로 배치되는 탄성 부재는 상기 접촉 핀을 상기 마스크 프레임 쪽으로 바이어스하여 상기 마스크 프레임에 접촉하도록 구성되고; 그리고
상기 정전 척은 상기 마스크를 척킹하도록 구성되는,
기판 지지부. - 제10 항에 있어서,
상기 압축 가능 버튼들 각각은 전기 전도성 재료로 만들어지는,
기판 지지부. - 제10 항에 있어서,
상기 압축 가능 버튼들 각각은 유전체 재료로 만들어지는,
기판 지지부. - 제10 항에 있어서,
상기 유전체 층은 세라믹 재료를 포함하는,
기판 지지부. - 제13 항에 있어서,
전극이 상기 유전체 층에 매립되는,
기판 지지부. - 제13 항에 있어서,
상기 유전체 층은 상기 기판 수용면 상에 홈 패턴을 형성하도록 양각되는,
기판 지지부. - 전도성 재료를 포함하는 바디;
상기 바디에 부착된 유전체 층을 포함하는 기판 수용면 ― 상기 바디는 상기 기판 수용면의 주변부 주위에 배치된 리세스된 부분을 포함하고, 상기 기판 수용면은 홈(groove) 패턴을 포함함 ―;
상기 기판 수용면 아래의 상기 유전체 층에 배치된 정전 척; 및
상기 리세스된 부분에 형성된 각각의 개구 내에 배치되어, 상기 정전 척과 전기 회로를 형성하는 복수의 압축 가능 버튼들을 포함하고,
상기 개구는 마스크의 마스크 프레임을 수용하도록 구성되고;
각각의 압축 가능 버튼은 상기 리세스된 부분 내에 형성된 블라인드 홀 내에 이동 가능하게 배치되는 접촉 핀을 포함하고;
상기 블라인드 홀 내에 적어도 부분적으로 배치되는 탄성 부재는 상기 접촉 핀을 상기 마스크 프레임 쪽으로 바이어스하여 상기 마스크 프레임에 접촉하도록 구성되고; 그리고
상기 정전 척은 상기 마스크를 척킹하도록 구성되는,
기판 지지부. - 제16 항에 있어서,
상기 압축 가능 버튼들 각각은 전기 전도성 재료로 만들어지는,
기판 지지부. - 제16 항에 있어서,
상기 압축 가능 버튼들 각각은 유전체 재료로 만들어지는,
기판 지지부. - 제16 항에 있어서,
상기 유전체 층은 세라믹 재료를 포함하는,
기판 지지부. - 제19 항에 있어서,
전극이 상기 유전체 층에 매립되는,
기판 지지부.
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KR20250020820A (ko) | 2023-08-04 | 2025-02-11 | 세메스 주식회사 | 기판 지지 유닛 및 그 결합방법 |
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