KR102491768B1 - 비대칭 웨이퍼 보우 보상 - Google Patents
비대칭 웨이퍼 보우 보상 Download PDFInfo
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- KR102491768B1 KR102491768B1 KR1020227023809A KR20227023809A KR102491768B1 KR 102491768 B1 KR102491768 B1 KR 102491768B1 KR 1020227023809 A KR1020227023809 A KR 1020227023809A KR 20227023809 A KR20227023809 A KR 20227023809A KR 102491768 B1 KR102491768 B1 KR 102491768B1
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- C—CHEMISTRY; METALLURGY
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- 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
- C23C16/458—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 characterised by the method used for supporting substrates in the reaction chamber
- C23C16/4582—Rigid and flat substrates, e.g. plates or discs
- C23C16/4583—Rigid and flat substrates, e.g. plates or discs the substrate being supported substantially horizontally
- C23C16/4584—Rigid and flat substrates, e.g. plates or discs the substrate being supported substantially horizontally the substrate being rotated
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/04—Coating on selected surface areas, e.g. using masks
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/0641—Nitrides
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/34—Sputtering
- C23C14/3464—Sputtering using more than one target
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- 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
- C23C16/04—Coating on selected surface areas, e.g. using masks
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
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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
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Abstract
Description
도 2 및 도 3은 특정한 개시된 실시 예들에 따라 반도체 웨이퍼의 상이한 영역들 상에 상이한 응력 재료들을 증착하기 위한 영역들에 의한 샤워헤드 전달의 개략적인 도면들의 도면들이다.
도 4는 개시된 CVD 실시 예들을 수행하기 위한 예시적인 프로세스 스테이션의 개략도이다.
도 5는 개시된 실시 예들을 수행하기 위한 예시적인 프로세스 툴의 개략도이다.
도 6은 특정한 개시된 실시 예들에 따라 수행된 방법의 동작들을 도시하는 프로세스 흐름도이다.
도 7a는 개시된 PVD 실시 예들을 수행하기 위한 예시적인 프로세스 스테이션의 개략도이다.
도 7b는 도 7a의 웨이퍼 및 섀도우 마스크의 평면도이다.
도 8a는 개시된 PVD 실시 예들을 수행하기 위한 예시적인 프로세스 스테이션의 개략도이다.
도 8b는 도 8a의 웨이퍼 및 스퍼터링 영역들의 평면도이다.
도 9는 개시된 실시 예들을 수행하기 위한 예시적인 프로세스 툴의 개략도이다.
Claims (10)
- 프로세스 챔버;
상기 챔버 내에 위치되고 웨이퍼를 지지하도록 구성된 페데스탈로서, 상기 페데스탈은,
하단 샤워헤드, 및
상기 웨이퍼의 에지를 지지함으로써 상기 하단 샤워헤드 위의 제 1 위치에서 상기 웨이퍼를 홀딩하도록 구성된 웨이퍼 홀더들을 포함하는, 상기 페데스탈; 및
상기 하단 샤워헤드와 상기 제 1 위치 사이에 위치된 차폐부를 포함하고,
상기 하단 샤워헤드는 상기 제 1 위치를 향해 프로세스 가스를 지향시키도록 구성되고,
상기 차폐부는 상기 하단 샤워헤드로부터 상기 제 1 위치를 향해 흐를 수 있는 (flowable) 상기 프로세스 가스로부터 상기 제 1 위치에서 제 1 영역을 차단하도록 구성되고 그리고 상기 하단 샤워헤드로부터 상기 제 1 위치를 향해 흐를 수 있는 상기 프로세스 가스로부터 상기 제 1 위치에서 제 2 영역을 차단하지 않도록 구성되고, 그리고
상기 제 1 영역은 상기 웨이퍼가 상기 웨이퍼 홀더들에 의해 홀딩될 때 상기 웨이퍼의 배면 전체보다 적은 영역에 걸쳐 연장하는 하나 이상의 서브-영역들을 포함하는, 막 증착 장치. - 제 1 항에 있어서,
상기 차폐부는 상기 웨이퍼가 상기 웨이퍼 홀더들에 의해 홀딩될 때 상기 웨이퍼의 배면의 하나 이상의 부분들을 커버함으로써 상기 하단 샤워헤드로부터 흐를 수 있는 상기 프로세스 가스로부터 상기 제 1 영역을 차단하도록 구성되는, 막 증착 장치. - 삭제
- 제 1 항에 있어서,
상기 차폐부는 상기 웨이퍼가 상기 웨이퍼 홀더들에 의해 홀딩되고 가스가 상기 하단 샤워헤드로부터 흐를 때 상기 웨이퍼의 중심 축을 통과하고 상기 웨이퍼의 중심 축에 수직인 축을 따라 상기 제 1 위치를 향한 가스 플로우를 차단하지 않는, 막 증착 장치. - 제 4 항에 있어서,
상기 차폐부는 상기 웨이퍼가 상기 웨이퍼 홀더들에 의해 홀딩되고 가스가 상기 하단 샤워헤드로부터 흐를 때, 상기 가스가 상기 제 1 위치에서 상기 제 2 영역 상으로 흐르도록 구성되는, 막 증착 장치. - 제 1 항에 있어서,
상기 차폐부는 상기 웨이퍼가 상기 웨이퍼 홀더들에 의해 홀딩될 때 상기 웨이퍼의 중심 부분을 중심으로 대칭적으로 배치되는 부분들을 포함하는, 막 증착 장치. - 제 1 항에 있어서,
상기 제 1 위치 위에 위치되고 상기 제 1 위치를 향해 하향으로 가스를 흘리도록 구성된 상단 샤워헤드를 더 포함하는, 막 증착 장치. - 페데스탈 및 차폐부를 포함하는 막 증착 장치를 위한 증착 방법에 있어서, 상기 차폐부는 웨이퍼의 배면의 제 1 부분을 차폐하도록 구성되고, 상기 증착 방법은,
웨이퍼가 페데스탈에 의해 지지되도록 상기 웨이퍼를 막 증착 장치 내에 배치하는 단계, 및
상기 웨이퍼의 배면의 상기 차폐된 제 1 부분을 제외한 제 1 영역 상에 제 1 막을 증착하기 위해 상기 웨이퍼의 상기 배면을 향해 제 1 프로세스 가스를 흘리는 단계를 포함하고,
상기 웨이퍼는 적어도 인장 막 및 압축 막 중 하나를 갖는 제 1 영역 및 상기 인장 막 및 상기 압축 막 중 다른 하나를 갖는 제 2 영역을 갖는 전면을 갖고,
상기 웨이퍼의 상기 전면 상의 상기 제 1 영역은 상기 웨이퍼의 상기 배면 상의 상기 제 1 영역과 위치가 대응하고, 그리고
상기 제 1 막은 압축성 막 또는 인장 막이라는 면에서, 상기 웨이퍼의 상기 전면의 상기 제 1 영역의 상기 막과 동일한 타입의 막인, 증착 방법. - 제 8 항에 있어서,
상기 차폐부는 상기 제 1 프로세스 가스가 상기 웨이퍼의 상기 배면 상으로 흐를 수 있는 영역을 갖도록 구성되고,
상기 영역은 정반대로 대향하는 2 개의 위치들 사이에서 연장되고 상기 웨이퍼 아래에 센터링되고 (centered),
상기 웨이퍼는 상기 웨이퍼의 상기 전면의 상기 제 1 영역이 상기 영역과 정렬하도록 상기 막 증착 장치 내에 배치되는, 증착 방법. - 제 9 항에 있어서,
상기 제 1 프로세스 가스가 상기 웨이퍼의 상기 배면을 향해 흐른 후, 상기 웨이퍼의 상기 전면의 상기 제 2 영역이 상기 영역과 정렬되도록 상기 웨이퍼 및 상기 차폐부 중 어느 하나를 상기 웨이퍼 및 상기 차폐부 중 다른 하나에 대해 회전시키는 단계, 및
상기 웨이퍼의 상기 배면의 제 2 영역 상에 제 2 막을 증착하기 위해 상기 웨이퍼의 상기 배면을 향해 제 2 프로세스 가스를 흘리는 단계를 포함하고,
상기 웨이퍼의 상기 전면 상의 상기 제 2 영역은 상기 웨이퍼의 상기 배면 상의 상기 제 2 영역과 위치가 대응하고, 그리고
상기 제 2 막은 압축성 막 또는 인장 막이라는 면에서, 상기 웨이퍼의 상기 전면의 상기 제 2 영역의 상기 막과 동일한 타입의 막인, 증착 방법.
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US16/147,061 | 2018-09-28 | ||
US16/147,090 US10896821B2 (en) | 2018-09-28 | 2018-09-28 | Asymmetric wafer bow compensation by physical vapor deposition |
PCT/US2018/061684 WO2020068139A1 (en) | 2018-09-28 | 2018-11-16 | Asymmetric wafer bow compensation |
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