KR20240005999A - 딥 트렌치에서의 저온 선택적 에피택시를 위한 방법 및 장치 - Google Patents
딥 트렌치에서의 저온 선택적 에피택시를 위한 방법 및 장치 Download PDFInfo
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- KR20240005999A KR20240005999A KR1020237044849A KR20237044849A KR20240005999A KR 20240005999 A KR20240005999 A KR 20240005999A KR 1020237044849 A KR1020237044849 A KR 1020237044849A KR 20237044849 A KR20237044849 A KR 20237044849A KR 20240005999 A KR20240005999 A KR 20240005999A
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- cluster tool
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Abstract
Description
[0007] 도 1은 본 개시내용의 일 구현에 따른, 에피택셜 층을 형성하는 방법을 예시하는 흐름도이다.
[0008] 도 2는 도 1에서 발견되는 세정 프로세스를 수행하기 위해 사용될 수 있는 프로세싱 챔버의 단면도이다.
[0009] 도 3은 도 1에서 발견되는 세정 프로세스를 수행하기 위해 사용될 수 있는 플라즈마-세정 챔버의 단면도이다.
[0010] 도 4는 도 1에서 발견되는 에피택셜 프로세스를 수행하기 위해 사용될 수 있는 열 프로세싱 챔버의 단면도이다.
[0011] 도 5는 도 1에서 발견되는 에칭 프로세스들을 수행하기 위해 사용될 수 있는 ICP 플라즈마 챔버의 단면도이다.
[0012] 도 6은 기판들의 온도-제어식 프로세싱을 위해 사용될 수 있는 프로세싱 시스템의 개략적인 단면도이다.
[0013] 도 7은 도 1의 흐름도를 완료하기 위해 사용될 수 있는 프로세싱 시스템의 개략적인 평면도이다.
[0014] 이해를 용이하게 하기 위해, 도면들에 대해 공통인 동일한 엘리먼트들을 지정하기 위해 가능한 경우 동일한 참조 번호들이 사용되었다. 도면들은 실척대로 도시된 것이 아니고, 명확성을 위해 간략화될 수 있다. 일 구현의 엘리먼트들 및 특징들이 추가적인 설명 없이 다른 구현들에 유익하게 포함될 수 있다는 것이 고려된다.
Claims (20)
- 반도체 기판을 프로세싱하기 위한 클러스터 툴로서,
이송 챔버;
상기 이송 챔버에 커플링된 사전-세정 챔버;
상기 이송 챔버에 커플링된 플라즈마 세정 챔버;
상기 이송 챔버에 커플링된 증착 챔버; 및
상기 이송 챔버에 커플링된 열 프로세스 챔버
를 포함하고,
상기 사전-세정 챔버 및 상기 플라즈마 세정 챔버 중 적어도 하나는 유도성 커플링 플라즈마 소스를 갖고, 상기 유도성 커플링 플라즈마 소스는 내측 코일 안테나, 중간 코일 안테나, 및 외측 코일 안테나 중 적어도 2개의 코일 안테나들을 포함하는 코일 안테나들의 세트를 포함하고, 상기 내측 코일 안테나, 상기 중간 코일 안테나, 및 상기 외측 코일 안테나 모두는 서로에 대하여 동심으로 배치되고, 축과 동축이며, 상기 내측 코일 안테나, 상기 중간 코일 안테나, 및 상기 외측 코일 안테나는 서로 다른 각각의 RF 임피던스 정합 네트워크들을 통해 서로 다른 RF 전력 생성기에 의해 개별적으로 구동되는,
클러스터 툴. - 제1항에 있어서,
상기 유도성 커플링 플라즈마 소스는 전기적으로 중성인 라디칼들을 생성하도록 동작가능한,
클러스터 툴. - 제2항에 있어서,
상기 유도성 커플링 플라즈마 소스는 상기 사전-세정 챔버로부터 물리적으로 분리된 원격 플라즈마 소스인,
클러스터 툴. - 제1항에 있어서,
상기 사전-세정 챔버는 He 및 NF3를 사용하는 용량성 커플링 플라즈마 소스를 갖는,
클러스터 툴. - 제4항에 있어서,
상기 사전-세정 챔버는 바이어스 RF 전력 공급부에 커플링된 기판 지지부를 갖는,
클러스터 툴. - 제1항에 있어서,
상기 증착 챔버는 액체 전구체 기화기를 포함하는 에피택시 챔버인,
클러스터 툴. - 제1항에 있어서,
상기 이송 챔버에 커플링된 플라즈마 에칭 챔버를 더 포함하는,
클러스터 툴. - 제1항에 있어서,
상기 증착 챔버는 액체 전구체 기화기를 포함하는 에피택시 챔버이며,
상기 사전-세정 챔버는 원격 플라즈마 챔버이고, 그리고
상기 플라즈마 세정 챔버는 상기 유도성 커플링 플라즈마 소스를 포함하는,
클러스터 툴. - 제8항에 있어서,
상기 사전-세정 챔버는 가스 분배 플레이트를 더 포함하며,
상기 가스 분배 플레이트는, 상기 용량성 커플링 플라즈마 소스로부터 상기 사전-세정 챔버의 프로세싱 구역으로 He 및 NF3를 포함하는 플라즈마를 제공하도록 구성되는,
클러스터 툴. - 제9항에 있어서,
상기 사전-세정 챔버는 가스 유입구를 더 포함하며,
상기 가스 유입구는 상기 사전-세정 챔버의 일 측 상에 배치되며 그리고 암모니아 소스와 유체 연통하는,
클러스터 툴. - 반도체 기판을 프로세싱하기 위한 클러스터 툴로서,
로드-락 챔버에 커플링된 이송 챔버;
상기 이송 챔버에 커플링된 제1 세정 챔버 ― 상기 제1 세정 챔버는 용량성 커플링 플라즈마 소스 및 바이어스 RF 전력 공급부에 커플링된 기판 지지부를 포함함 ―;
상기 이송 챔버에 커플링된 제2 세정 챔버 ― 상기 제2 세정 챔버는 유도성 커플링 플라즈마 소스를 포함함 ―;
상기 이송 챔버에 커플링된 에피택시 챔버 ― 상기 에피택시 챔버는 액체 전구체 기화기를 포함함 ―; 및
상기 이송 챔버에 커플링된 열 프로세스 챔버
를 포함하고,
상기 유도성 커플링 플라즈마 소스는 내측 코일 안테나, 중간 코일 안테나, 및 외측 코일 안테나 중 적어도 2개의 코일 안테나들을 포함하는 코일 안테나들의 세트를 포함하며, 상기 내측 코일 안테나, 상기 중간 코일 안테나, 및 상기 외측 코일 안테나 모두는 서로에 대하여 동심으로 배치되고, 축과 동축이며, 상기 내측 코일 안테나, 상기 중간 코일 안테나, 및 상기 외측 코일 안테나는 서로 다른 각각의 RF 임피던스 정합 네트워크들을 통해 서로 다른 RF 전력 생성기에 의해 개별적으로 구동되는,
클러스터 툴. - 제11항에 있어서,
상기 용량성 커플링 플라즈마 소스는, He 및 NF3를 포함하는 플라즈마를 사용하여 상기 기판으로부터 자연 산화물(native oxide)를 제거하도록 동작 가능한,
클러스터 툴. - 제11항에 있어서,
상기 제1 세정 챔버는 가스 분배 플레이트를 더 포함하며,
상기 가스 분배 플레이트는, 상기 용량성 커플링 플라즈마 소스로부터 상기 사전-세정 챔버의 프로세싱 구역으로 He 및 NF3를 포함하는 플라즈마를 제공하도록 구성된,
클러스터 툴. - 제13항에 있어서,
상기 제1 세정 챔버는 가스 유입구를 더 포함하고,
상기 가스 유입구는 상기 사전-세정 챔버의 일 측 상에 배치되며, 암모니아 소스와 유체 연통하는,
클러스터 툴. - 제9항에 있어서,
상기 유도성 커플링 플라즈마 소스는 수소-함유 라디칼들을 생성하도록 동작 가능한,
클러스터 툴. - 반도체 기판을 프로세싱 하기 위한 클러스터 툴로서,
로드-락 챔버에 커플링된 이송 챔버;
상기 이송 챔버에 커플링된 제1 세정 챔버 ― 상기 제1 세정 챔버는 원격 플라즈마 소스 및 가열형 가스 분배 플레이트를 포함함 ―;
상기 이송 챔버에 커플링된 제2 세정 챔버 ― 상기 제2 세정 챔버는 코일 안테나들의 세트를 갖는 유도성 커플링 플라즈마 소스를 포함하며, 상기 코일 안테나들의 세트는 내측 코일 안테나, 중간 코일 안테나, 및 외측 코일 안테나 중 적어도 2개의 코일 안테나들을 포함하며, 상기 내측 코일 안테나, 상기 중간 코일 안테나, 및 상기 외측 코일 안테나 모두는 서로에 대하여 동심으로 배치되고, 축과 동축이며, 상기 내측 코일 안테나, 상기 중간 코일 안테나, 및 상기 외측 코일 안테나는 서로 다른 각각의 RF 임피던스 정합 네트워크들을 통해 서로 다른 RF 전력 생성기에 의해 개별적으로 구동됨 ―;
상기 이송 챔버에 커플링된 에피택시 챔버; 및
상기 이송 챔버에 커플링된 열 프로세스 챔버
를 포함하는,
클러스터 툴. - 제16항에 있어서,
상기 열 프로세스 챔버는 열 산화 챔버인,
클러스터 툴. - 제16항에 있어서,
상기 에피택시 챔버는 액체 전구체 기화기를 포함하는,
클러스터 툴. - 제16항에 있어서
상기 제1 세정 챔버의 가열형 가스 분배 플레이트는 상기 원격 플라즈마 소스로부터 상기 제1 세정 챔버의 프로세싱 구역으로 He 및 NF3를 포함하는 플라즈마를 제공하도록 구성된,
클러스터 툴. - 제16항에 있어서,
상기 유도성 커플링 플라즈마 소스는 상기 제2 세정 챔버로부터 물리적으로 분리된 원격 플라즈마 소스인,
클러스터 툴.
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| US12297559B2 (en) | 2025-05-13 |
| CN110249417A (zh) | 2019-09-17 |
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| TW202333281A (zh) | 2023-08-16 |
| US20180230624A1 (en) | 2018-08-16 |
| KR102619574B1 (ko) | 2023-12-28 |
| CN110249417B (zh) | 2023-10-24 |
| US20250263864A1 (en) | 2025-08-21 |
| TW202433650A (zh) | 2024-08-16 |
| TW201839891A (zh) | 2018-11-01 |
| US20230036426A1 (en) | 2023-02-02 |
| KR20190108176A (ko) | 2019-09-23 |
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