KR20200087267A - 리모트 플라즈마 막 증착을 인에이블하도록 다운스트림 챔버로 라디칼 및 전구체 가스를 전달하기 위해 개선된 홀 패턴을 갖는 통합된 샤워헤드 - Google Patents
리모트 플라즈마 막 증착을 인에이블하도록 다운스트림 챔버로 라디칼 및 전구체 가스를 전달하기 위해 개선된 홀 패턴을 갖는 통합된 샤워헤드 Download PDFInfo
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- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/52—Controlling or regulating the coating process
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- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/32431—Constructional details of the reactor
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- H01L21/02263—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase
- H01L21/02271—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition
- H01L21/02274—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition in the presence of a plasma [PECVD]
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Abstract
Description
도 1은 본 개시에 따른 샤워헤드를 포함하는 기판 프로세싱 챔버의 일 예의 기능적 블록도이다.
도 2는 본 개시에 따른 샤워헤드의 일 예의 상단 사시도이다.
도 3은 본 개시에 따른 샤워헤드의 일 예의 하단 사시도이다.
도 4는 본 개시에 따른 샤워헤드의 일 예의 평면도이다.
도 5는 본 개시에 따른 또 다른 예시적인 샤워헤드의 하면도를 예시한다.
도 6a 내지 도 6c는 본 개시에 따른 다른 예시적인 홀 패턴들을 예시한다.
도면들에서, 참조 번호들은 유사한 그리고/또는 동일한 엘리먼트들을 식별하기 위해 재사용될 수도 있다.
Claims (16)
- 기판 프로세싱 시스템을 위한 샤워헤드에 있어서,
하부 표면;
플라즈마-대면 상부 표면;
상기 하부 표면과 상기 상부 표면 사이에 규정된 가스 플레넘 (plenum);
상기 하부 표면 상에 분포된 복수의 주입기들로서, 상기 복수의 주입기들은 상기 가스 플레넘과 유체로 연통하는, 상기 복수의 주입기들; 및
상기 상부 표면으로부터 상기 하부 표면으로 연장하는 복수의 쓰루홀들 (through holes) 로서, 상기 복수의 쓰루홀들 중 선택된 쓰루홀들은 상기 복수의 쓰루홀들 중 나머지 쓰루홀들의 직경과 상이한 직경을 갖고, 상기 복수의 쓰루홀들 중 상기 선택된 쓰루홀들의 상기 직경은 상기 복수의 쓰루홀들 중 상기 선택된 쓰루홀들 및 상기 복수의 쓰루홀들 중 상기 나머지 쓰루홀들을 통해 제공된 각각의 가스들의 목표된 비율에 따라 미리 결정되는, 상기 복수의 쓰루홀들을 포함하는, 샤워헤드. - 제 1 항에 있어서,
상기 복수의 쓰루홀들 중 상기 선택된 쓰루홀들은 상기 복수의 쓰루홀들 중 상기 나머지 쓰루홀들의 평균 직경과 미리 결정된 비의 관계를 만족하는 평균 직경을 갖는 제 1 유형의 쓰루홀을 포함하는, 샤워헤드. - 제 1 항에 있어서,
상기 복수의 쓰루홀들 중 상기 선택된 쓰루홀들은 적어도 상기 복수의 쓰루홀들 중 상기 나머지 쓰루홀들의 평균 직경과 제 1 미리 결정된 비의 관계를 만족하는 제 1 유형의 쓰루홀 및 상기 복수의 쓰루홀들 중 상기 나머지 쓰루홀들의 평균 직경과 제 2 미리 결정된 비의 관계를 만족하는 제 2 유형의 쓰루홀을 포함하는, 샤워헤드. - 제 1 항에 있어서,
상기 복수의 쓰루홀들 중 상기 선택된 쓰루홀들의 상기 직경은 샤워헤드와 연관된 증착 불균일성들에 따라 미리 결정되는, 샤워헤드. - 제 1 항에 있어서,
상기 샤워헤드의 상기 하부 표면 상에, 상기 쓰루홀들은 복수의 그룹들로 배열되고, 그룹 각각은 상기 복수의 주입기들의 각각의 주입기 주위에 분포된 2 개 이상의 상기 쓰루홀들을 포함하는, 샤워헤드. - 제 1 항에 있어서,
상기 샤워헤드의 상기 하부 표면 상에, 상기 쓰루홀들은 복수의 그룹들로 배열되고, 그룹 각각은 상기 복수의 주입기들의 각각의 주입기 주위에 분포된 3 개의 쓰루홀들을 포함하는, 샤워헤드. - 제 6 항에 있어서,
상기 복수의 그룹들 각각의 상기 3 개의 쓰루홀들은 상기 복수의 주입기들의 각각의 주입기 주위에 삼각형 구성으로 분포되는, 샤워헤드. - 제 6 항에 있어서,
상기 복수의 그룹들 각각의 상기 3 개의 쓰루홀들은 상기 복수의 주입기들의 상기 각각의 주입기 주위에 방사상으로 분포되는, 샤워헤드. - 제 1 항에 있어서,
상기 복수의 쓰루홀들은 쓰루홀들의 적어도 하나의 중심 그룹 및 상기 적어도 하나의 중심 그룹 주위에 제 1 육각형 패턴으로 배열된 상기 쓰루홀들의 제 1 복수의 그룹들을 포함하는, 샤워헤드. - 제 9 항에 있어서,
상기 제 1 복수의 그룹들 주위에 제 2 육각형 패턴으로 배열된 상기 쓰루홀들의 제 2 복수의 그룹들을 더 포함하는, 샤워헤드. - 제 1 항에 있어서,
상기 복수의 쓰루홀들은 적어도 하나의 중심 그룹 및 상기 적어도 하나의 중심 그룹 주위에 제 1 원형 패턴으로 배열된 상기 쓰루홀들의 제 1 복수의 그룹들을 포함하는, 샤워헤드. - 제 11 항에 있어서,
적어도 상기 제 1 복수의 그룹들 주위에 제 2 원형 패턴으로 배열된 상기 쓰루홀들의 상기 제 2 복수의 그룹들을 더 포함하는, 샤워헤드. - 제 1 항에 있어서,
상기 복수의 쓰루홀들은 상기 쓰루홀들의 복수의 그룹들을 포함하고, 상기 쓰루홀들의 복수의 그룹들은 적어도 하나의 중심 그룹을 포함하고, 그리고 상기 복수의 그룹들 중 나머지 그룹들은 상기 적어도 하나의 중심 그룹 주위에 증가하는 6 개의 패턴으로 배열되는, 샤워헤드. - 제 1 항에 있어서,
상기 복수의 쓰루홀들은 상기 쓰루홀들의 복수의 그룹들을 포함하고, 상기 쓰루홀들의 복수의 그룹들은 적어도 하나의 중심 그룹을 포함하고, 그리고 상기 복수의 그룹들 중 나머지 그룹들은 상기 적어도 하나의 중심 그룹 주위에 증가하는 8 개의 패턴으로 배열되는, 샤워헤드. - 제 1 항에 있어서,
상기 주입기들의 각각의 주입기들로부터 하향으로 연장하는 복수의 가스 주입기 노즐들을 더 포함하는, 샤워헤드. - 제 1 항에 있어서,
상기 복수의 쓰루홀들은 상기 쓰루홀들의 85 개의 그룹들을 포함하는, 샤워헤드.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201762596409P | 2017-12-08 | 2017-12-08 | |
US62/596,409 | 2017-12-08 | ||
US16/213,386 | 2018-12-07 | ||
US16/213,386 US11015247B2 (en) | 2017-12-08 | 2018-12-07 | Integrated showerhead with improved hole pattern for delivering radical and precursor gas to a downstream chamber to enable remote plasma film deposition |
PCT/US2018/064524 WO2019113478A1 (en) | 2017-12-08 | 2018-12-07 | Integrated showerhead with improved hole pattern for delivering radical and precursor gas to a downstream chamber to enable remote plasma film deposition |
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