KR20180075702A - 프로세스 툴에서의 온-보드 메트롤로지(obm) 설계 및 그 영향 - Google Patents
프로세스 툴에서의 온-보드 메트롤로지(obm) 설계 및 그 영향 Download PDFInfo
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- KR20180075702A KR20180075702A KR1020187017868A KR20187017868A KR20180075702A KR 20180075702 A KR20180075702 A KR 20180075702A KR 1020187017868 A KR1020187017868 A KR 1020187017868A KR 20187017868 A KR20187017868 A KR 20187017868A KR 20180075702 A KR20180075702 A KR 20180075702A
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Abstract
Description
[0007] 도 1은 본 개시내용의 구현들에 따라 반도체 기판을 프로세싱하는 데 사용될 수 있는 예시적인 프로세싱 툴의 상부 평면도를 예시한다.
[0008] 도 2는 파티셔닝된 플라즈마 생성 구역들을 갖는 유동성 화학 기상 증착 챔버의 일 구현의 단면도이다.
[0009] 도 3은 프로세싱 툴에서 수행될 수 있는 프로세스(300)의 일 구현의 흐름도를 예시한다.
[0010] 도 4a는 본원에서 설명되는 구현들에 따른 간략화된 버전의 인-시튜 메트롤로지 어셈블리를 예시한다.
[0011] 도 4b는 본원에서 설명되는 구현들에 따른 도 4a의 온-보드 메트롤로지 어셈블리의 일부분의 확대도를 예시한다.
[0012] 도 5a는 도 1의 온-보드 메트롤로지 하우징에 배치된 온-보드 메트롤로지 어셈블리의 예시적 셋업의 단면도를 예시한다.
[0013] 도 5b는 본 개시내용의 일 구현에 따른 온-보드 메트롤로지 어셈블리의 정렬기 모듈(aligner module)의 사시도를 예시한다.
[0014] 도 5c는 어댑터 플레이트(adapter plate)에 형성된 대응하는 개구를 통해 연장되는 콜리메이터(collimator)들의 단면도를 예시한다.
[0015] 도 5d는 정렬 메커니즘을 갖는 정렬기 플레이트(aligner plate)의 사시도를 예시한다.
[0016] 도 6a는 온-보드 메트롤로지 하우징과 맞물리기 전의 팩토리 인터페이스의 벽의 사시도를 예시한다.
[0017] 도 6b는 본 개시내용의 일 구현에 따른 지지 브래킷들의 사시도를 예시한다.
[0018] 도 6c는 온-보드 메트롤로지 하우징의 후방측을 도시하는 온-보드 메트롤로지 하우징의 사시도를 예시한다.
[0019] 이해를 촉진시키기 위해, 도면들에 대해 공통적인 동일한 엘리먼트들을 가리키기 위해 가능한 경우 동일한 도면부호들이 사용되었다. 도면들은 실척대로 그려지지 않았으며, 명확성을 위해 단순화될 수 있다. 일 구현의 엘리먼트들 및 피처(feature)들이 추가의 언급없이 다른 구현들에 유리하게 통합될 수 있다는 것이 고려된다.
Claims (15)
- 장치로서,
팩토리 인터페이스(factory interface); 및
로드 포트(load port)를 통해 상기 팩토리 인터페이스에 제거가능하게 커플링된 메트롤로지 하우징(metrology housing)을 포함하며,
상기 메트롤로지 하우징은 상기 메트롤로지 하우징 내로 이송될 기판의 특성들을 측정하기 위한 온-보드 메트롤로지 어셈블리(on-board metrology assembly)를 포함하는,
장치. - 제1 항에 있어서,
상기 온-보드 메트롤로지 어셈블리는,
광 소스;
분광기(spectrograph);
상기 광 소스 및 상기 분광기를 고정하는 지지 프레임 ― 상기 지지 프레임은 상기 팩토리 인터페이스의 벽에 제거가능하게 커플링됨 ―;
기판 회전 메커니즘을 갖는 정렬기 플레이트(aligner plate) ― 상기 정렬기 플레이트는 상기 팩토리 인터페이스의 벽에 제거가능하게 커플링된 장착 브래킷(mounting bracket)에 의해 지지됨 ―;
상기 광 소스 및 상기 분광기에 광학적으로 연결된 광섬유 다발(fiber-optic bundle); 및
상기 광섬유 다발에 커플링된 콜리메이터(collimator)를 포함하며,
상기 콜리메이터는 상기 정렬기 플레이트의 중심에 배치되는,
장치. - 제2 항에 있어서,
상기 콜리메이터는 상기 회전 메커니즘 상에 위치될 기판의 상이한 반경방향 구역들에 대응하는 위치들에 배치되는,
장치. - 장치로서,
팩토리 인터페이스;
제1 로드 포트를 통해 상기 팩토리 인터페이스의 제1 측에 커플링된 제1 저장 포드(storage pod) ― 상기 제1 저장 포드는 하나 또는 그 초과의 기판 캐리어들을 포함함 ―;
제2 로드 포트를 통해 상기 팩토리 인터페이스의 제1 측에 제거가능하게 커플링된 메트롤로지 하우징 ― 상기 메트롤로지 하우징은 상기 메트롤로지 하우징 내로 이송될 기판의 막 특성들을 측정하기 위한 온-보드 메트롤로지 어셈블리를 포함함 ―; 및
상기 팩토리 인터페이스의 제2 측에 커플링되고 그리고 진공 환경에서 동작하는 로드 록 챔버(load lock chamber)를 포함하며,
상기 팩토리 인터페이스는 상기 메트롤로지 하우징 및 상기 로드 록 챔버에 대한 액세스를 제공하도록 구성된 로봇을 갖는,
장치. - 제4 항에 있어서,
상기 온-보드 메트롤로지 어셈블리는,
광 소스;
분광기;
상기 광 소스 및 상기 분광기를 고정하는 지지 프레임;
상기 광 소스 및 상기 분광기에 광학적으로 연결된 제1 세트의 광섬유 다발들; 및
상기 제1 세트의 광섬유 다발들에 커플링된 제1 세트의 콜리메이터들을 포함하는,
장치. - 제5 항에 있어서,
상기 온-보드 메트롤로지 어셈블리는 정렬기 모듈(aligner module)을 더 포함하며,
상기 정렬기 모듈은,
회전 메커니즘을 갖는 정렬기 플레이트;
상기 제1 세트의 광섬유 다발들과 전기 통신하는 제2 세트의 광섬유 다발들; 및
상기 제1 세트의 콜리메이터들과 전기 통신하는 제2 세트의 콜리메이터들을 포함하며,
상기 제2 세트의 광섬유 다발들은 상기 제2 세트의 콜리메이터들에 커플링되는,
장치. - 제6 항에 있어서,
상기 정렬기 모듈은 장착 브래킷 상에 배치되고, 그리고 상기 장착 브래킷은 하나 또는 그 초과의 지지 브래킷들에 의해 지지되는,
장치. - 제7 항에 있어서,
상기 하나 또는 그 초과의 지지 브래킷들은 상기 팩토리 인터페이스의 벽 상에 배치된 기준 데이텀 플레이트(reference datum plate) 상에 장착되고, 그리고
상기 지지 브래킷들은 플레이트를 통해 서로 연결되고, 그리고 상기 플레이트는 하나 또는 그 초과의 안내 핀들을 갖는,
장치. - 제8 항에 있어서,
상기 메트롤로지 하우징은 상기 하나 또는 그 초과의 안내 핀들의 통과를 가능하게 하기 위해 상기 메트롤로지 하우징의 후방측 상에 슬롯을 갖는,
장치. - 제6 항에 있어서,
상기 온-보드 메트롤로지 어셈블리는 어댑터 플레이트를 더 포함하며, 상기 제2 세트의 콜리메이터들은 상기 어댑터 플레이트 상에 장착되는,
장치. - 제10 항에 있어서,
상기 제2 세트의 콜리메이터들 중 제1 콜리메이터는 상기 정렬기 플레이트의 중심에 배치되고, 그리고 상기 제2 세트의 콜리메이터들 중 제2 콜리메이터, 제3 콜리메이터, 제4 콜리메이터, 및 제5 콜리메이터는 상기 메트롤로지 하우징 내로 이송될 기판의 4개의 상이한 반경방향 구역들에 대응하는 위치들에 배치되는,
장치. - 프로세싱 툴로서,
로봇식 아암(robotic arm)을 갖는 이송 챔버;
대기 로봇(atmospheric robot)을 갖는 팩토리 인터페이스;
상기 팩토리 인터페이스에 커플링된 배치 경화 챔버(batch curing chamber);
상기 이송 챔버에 커플링되는 제1 측 및 상기 팩토리 인터페이스의 제1 측에 커플링되는 제2 측을 갖는 로드 록 챔버 ― 상기 로드 록 챔버는 상기 대기 로봇으로부터 하나 또는 그 초과의 기판들을 수용하도록 구성됨 ―;
상기 이송 챔버에 커플링된 유동성 CVD 증착 챔버;
제1 로드 포트를 통해 상기 팩토리 인터페이스의 제2 측에 커플링된 제1 저장 포드 ― 상기 제1 저장 포드는 하나 또는 그 초과의 기판 캐리어들을 포함함 ―; 및
제2 로드 포트를 통해 상기 팩토리 인터페이스의 제2 측에 커플링된 메트롤로지 하우징을 포함하며,
상기 메트롤로지 하우징은 상기 대기 로봇에 의해 상기 메트롤로지 하우징 내로 이송될 기판의 막 특성들을 측정하기 위한 온-보드 메트롤로지 어셈블리를 포함하는,
프로세싱 툴. - 제12 항에 있어서,
상기 팩토리 인터페이스는,
상기 제2 측 상의 상기 팩토리 인터페이스의 벽 상에 배치된 기준 데이텀 플레이트; 및
상기 기준 데이텀 플레이트 상에 장착된 하나 또는 그 초과의 지지 브래킷들을 더 포함하며,
상기 하나 또는 그 초과의 지지 브래킷들은 적어도 하나의 안내 핀을 갖는,
프로세싱 툴. - 제13 항에 있어서,
상기 메트롤로지 하우징은 상기 메트롤로지 하우징의 제1 측 상에 배치된 도어 및 상기 메트롤로지 하우징의 제2 측 상에 배치된 슬롯을 포함하며, 상기 제2 측은 상기 제1 측에 대향하고, 그리고 상기 슬롯은 상기 안내 핀의 통과를 가능하게 하도록 사이즈가 정해지는,
프로세싱 툴. - 제14 항에 있어서,
상기 온-보드 메트롤로지 어셈블리는 회전 메커니즘을 갖는 정렬기 플레이트를 포함하고, 그리고 상기 회전 메커니즘은 상기 기판을 지지하고 그리고 회전시키는,
프로세싱 툴.
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Also Published As
Publication number | Publication date |
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CN108292589B (zh) | 2023-05-16 |
US10388549B2 (en) | 2019-08-20 |
TW201729018A (zh) | 2017-08-16 |
KR102680059B1 (ko) | 2024-06-28 |
WO2017091331A1 (en) | 2017-06-01 |
US20170148654A1 (en) | 2017-05-25 |
CN108292589A (zh) | 2018-07-17 |
TWI676872B (zh) | 2019-11-11 |
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