KR102652637B1 - 성막 방법 및 성막 장치 - Google Patents
성막 방법 및 성막 장치 Download PDFInfo
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Abstract
Description
도 2는 도 1의 성막 장치에서의 처리 용기 내의 구성의 개략을 모식적으로 도시한 단면도이다.
도 3은 제1 실시 형태에 따른 성막 장치에 의한 성막 처리의 일례를 설명하기 위한 흐름도를 도시하는 도면이다.
도 4는 본 발명자들이 행한 기판의 온도 분포에 관한 평가 시험의 결과를 도시하는 도면이다.
도 5는 제3 실시 형태에 따른 성막 장치가 갖는 홀더의 개략을 모식적으로 도시하는 부분 단면도이다.
11: 처리 용기
15: 처리 가스 공급 기구
20: 적재대
30: 홀더
W: 기판
Claims (10)
- 처리 대상 기판에 탄화규소막을 형성하는 성막 방법이며,
성막 장치의 처리 용기 내에, 상기 처리 대상 기판을 보유 지지한 홀더를 반입해서 적재대에 적재함과 함께, 상기 처리 용기 내에 원료 가스를 공급해서 상기 처리 대상 기판에 탄화규소막을 형성하는 공정과,
적어도 표면이 열분해 탄소로 구성되는 판상 부재를 상기 처리 용기 내에 반입해서 상기 적재대에 적재함과 함께, 상기 처리 용기 내에 불소 함유 가스를 공급하여, 상기 탄화규소막을 형성하는 공정에서 상기 처리 대상 기판 이외의 부분에 부착된 반응 생성물을 제거하는 공정을 갖고,
상기 부착된 반응 생성물을 제거하는 공정에서 사용되는 상기 판상 부재는, 상기 탄화규소막을 형성하는 공정에서 사용되는 상기 홀더를 겸하는, 성막 방법. - 제1항에 있어서, 상기 적재대는, 내부에 상기 홀더가 적재되는 오목부를 갖고,
상기 판상 부재는 외주에 플랜지부를 갖고,
상기 플랜지부는, 상기 판상 부재가 상기 오목부 내에 적재되었을 때, 당해 오목부를 형성하는 측벽과 당해 판상 부재 사이의 간극을 덮는, 성막 방법. - 제1항 또는 제2항에 있어서, 상기 탄화규소막을 형성하는 공정은, 표면이 탄화규소로 구성된 상기 홀더를 사용해서 성막하는, 성막 방법.
- 삭제
- 제1항 또는 제2항에 있어서, 상기 부착된 반응 생성물을 제거하는 공정 후에, 상기 불소 함유 가스와 상기 판상 부재의 표면을 구성하는 열분해 탄소의 반응 생성물을 제거하는 공정을 갖는, 성막 방법.
- 제5항에 있어서, 상기 부착된 반응 생성물을 제거하는 공정 후에, 상기 판상 부재의 표면에 탄화규소막을 형성하는 공정을 갖는, 성막 방법.
- 제1항 또는 제2항에 있어서, 상기 적재대는, 그래파이트제의 부재의 표면에 열분해 탄소의 막을 형성해서 구성되어 있는, 성막 방법.
- 처리 대상 기판에 탄화규소막을 형성하는 성막 장치이며,
내부가 감압 가능하게 구성된 처리 용기와,
상기 처리 용기 내에 배치되고, 상기 처리 대상 기판을 보유 지지하는 홀더를 통해서 당해 처리 대상 기판이 적재되는 적재대와,
상기 처리 용기 내에 처리 가스를 공급하는 처리 가스 공급 기구와,
열분해 탄소의 벌크재로 구성되는 판상 부재를 갖고,
상기 판상 부재는, 상기 처리 가스 공급 기구로부터 상기 처리 용기 내에 불소 함유 가스를 공급함으로써 상기 처리 대상 기판 이외의 부분에 성막 시에 부착된 반응 생성물을 제거할 때 상기 적재대에 적재되고,
상기 판상 부재는 상기 홀더를 겸하는, 성막 장치. - 제8항에 있어서, 상기 적재대는, 내부에 상기 홀더가 적재되는 오목부를 갖고,
상기 판상 부재는 외주에 플랜지부를 갖고,
상기 플랜지부는, 상기 판상 부재가 상기 오목부 내에 적재되었을 때, 당해 오목부를 형성하는 측벽과 당해 판상 부재 사이의 간극을 덮는, 성막 장치. - 삭제
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WO2025136086A1 (en) * | 2023-12-22 | 2025-06-26 | Schunk Xycarb Technology B.V. | Cleaning method for removing parasitic grown silicon carbides and an interior part of an epitaxy process chamber and an epitaxy process system |
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