KR20230164622A - 막 프로파일 조정을 위한 샤워헤드 커튼 가스 방법 및 시스템 - Google Patents
막 프로파일 조정을 위한 샤워헤드 커튼 가스 방법 및 시스템 Download PDFInfo
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- KR20230164622A KR20230164622A KR1020230160858A KR20230160858A KR20230164622A KR 20230164622 A KR20230164622 A KR 20230164622A KR 1020230160858 A KR1020230160858 A KR 1020230160858A KR 20230160858 A KR20230160858 A KR 20230160858A KR 20230164622 A KR20230164622 A KR 20230164622A
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- curtain gas
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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
- C23C16/44—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
- C23C16/455—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 introducing gases into reaction chamber or for modifying gas flows in reaction chamber
- C23C16/45523—Pulsed gas flow or change of composition over time
- C23C16/45525—Atomic layer deposition [ALD]
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- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
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- H01L21/02225—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer
- H01L21/0226—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process
- 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
- H01L21/0228—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 deposition by cyclic CVD, e.g. ALD, ALE, pulsed CVD
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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
- C23C16/4401—Means for minimising impurities, e.g. dust, moisture or residual gas, in the reaction chamber
- C23C16/4408—Means for minimising impurities, e.g. dust, moisture or residual gas, in the reaction chamber by purging residual gases from the reaction chamber or gas lines
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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
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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
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- C23C16/45525—Atomic layer deposition [ALD]
- C23C16/45544—Atomic layer deposition [ALD] characterized by the apparatus
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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
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- C23C16/45565—Shower nozzles
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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
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- C23C16/455—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 introducing gases into reaction chamber or for modifying gas flows in reaction chamber
- C23C16/45563—Gas nozzles
- C23C16/45574—Nozzles for more than one gas
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- 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
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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
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- C23C16/50—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 using electric discharges
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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
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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
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Abstract
Description
도 2는 하나 이상의 멀티-스테이션 반도체 프로세싱 툴들에서 막 증착을 수행하고, 4-스테이션 기판 프로세싱 툴, 2 개의 프로세스 스테이션들로부터 기판들을 로딩 및 언로딩하기 위한 기판 핸들러 로봇, 및 툴을 동작시키기 위한 제어기를 포함하는, 시스템의 개략도를 도시한다.
도 3은 샤워헤드 및 샤워헤드 칼라를 갖고, 1차 퍼지 가스 플로우경로 및 2차 퍼지 가스 플로우경로를 특징으로 하는 단일 스테이션 기판 프로세싱 장치의 프로세싱 챔버의 단면 개략도를 도시한다.
도 4는 스테이션 각각이 기판 홀더, 샹들리에-타입 샤워헤드 및 연관된 샤워헤드 칼라를 갖는, 기판 프로세싱 툴의 듀얼-스테이션 프로세싱 챔버의 단면 개략도를 도시한다.
도 5는 2 개의 상이한 커튼 가스 플로우들을 사용하는 2 개의 기판들의 측정된 두께들의 그래프를 도시한다.
도 6은 1차 퍼지 가스 플로우경로 및 2차 퍼지 가스 플로우경로를 또한 예시하는, 기판 프로세싱 챔버의 샤워헤드 및 샤워헤드 칼라의 보다 상세한 단면도를 도시한다.
도 7은 샤워헤드 칼라의 예의 사시도를 도시한다.
도 8은 도 7의 샤워헤드 칼라에 대한 예시적인 유체 커넥터의 사시도를 도시한다.
도 9a 및 도 9b는 도 6의 샤워헤드의 예시적인 플레이트들의 상단 및 하단 평면도들이다.
도 10은 국부적인 프로세스 조건들 사이에서 가변할 수도 있는 (방사상으로 규정된) 상이한 프로세싱 표면 영역들을 예시하는 예시적인 기판의 평면도를 도시한다.
도 11은 멀티-스테이션 반도체 프로세싱 챔버 및/또는 프로세싱 툴에서 막 증착을 수행하기 위한 제 1 예시적인 기법의 플로우차트를 도시한다.
도 12는 프로세스 챔버 내로 커튼 가스를 릴리즈하도록 구성된 샤워헤드를 포함하는 예시적인 프로세싱 챔버를 도시한다.
도 13은 프로세스 챔버 내로 커튼 가스를 릴리즈하도록 구성된 제 2 예시적인 프로세싱 챔버를 도시한다.
도 14는 프로세스 챔버 내로 커튼 가스를 릴리즈하도록 구성된 제 3 예시적인 프로세싱 챔버를 도시한다.
Claims (18)
- 멀티-스테이션 반도체 프로세싱 챔버에서 막을 증착하는 방법에 있어서,
기판 상에 재료를 증착하는 순환적 증착 프로세스의 증착 사이클들 중 제 1 세트 동안, 제 1 프로세스 조건 하의 커튼 가스를 프로세싱 챔버 내의 복수의 스테이션들 중 제 1 스테이션으로 흘리고, 그리고 제 2 프로세스 조건 하의 상기 커튼 가스를 상기 복수의 스테이션들 중 제 2 스테이션으로 흘리는 단계;
상기 제 1 프로세스 조건을 제 1 조정된 프로세스 조건으로, 상기 제 2 프로세스 조건을 제 2 조정된 프로세스 조건으로, 또는 모두를 조정하는 단계; 및
상기 제 1 조정된 프로세스 조건, 상기 제 2 조정된 프로세스 조건, 또는 모두에 따라 상기 순환적 증착 프로세스의 상기 증착 사이클들 중 제 2 세트 동안 상기 커튼 가스를 상기 제 1 스테이션 및 상기 제 2 스테이션으로 흘리는 단계로서, 상기 흘림은 상기 기판 상에 증착된 상기 재료의 두께의 균일도를 개선하는, 상기 흘리는 단계를 포함하는, 막을 증착하는 방법. - 제 1 항에 있어서,
상기 제 1 프로세스 조건 및 상기 제 2 프로세스 조건은 각각의 상기 커튼 가스의 제 1 플로우 조건 및 상기 커튼 가스의 제 2 플로우 조건을 포함하는, 막을 증착하는 방법. - 제 2 항에 있어서,
상기 제 1 플로우 조건 및 상기 제 2 플로우 조건 각각은 각각의 상기 커튼 가스의 플로우레이트 및/또는 상기 커튼 가스의 조성을 포함하고, 그리고 상기 제 1 조정된 프로세스 조건 및 상기 제 2 조정된 프로세스 조건 각각은 각각의 상기 커튼 가스의 조정된 플로우레이트를 포함하는, 막을 증착하는 방법. - 제 3 항에 있어서,
상기 각각의 상기 커튼 가스의 조정된 플로우레이트는 상기 증착 사이클들 중 제 2 세트의 반응 페이즈의 일부 동안 흐르는, 막을 증착하는 방법. - 제 1 항에 있어서,
상기 제 1 조정된 프로세스 조건 및 상기 제 2 조정된 프로세스 조건 각각은 각각의 상기 커튼 가스의 조정된 조성을 포함하는, 막을 증착하는 방법. - 제 1 항에 있어서,
상기 커튼 가스는 순수 분자 산소를 포함하는, 막을 증착하는 방법. - 제 1 항에 있어서,
상기 커튼 가스는 산소와 불활성 가스의 혼합물을 포함하는, 막을 증착하는 방법. - 제 7 항에 있어서,
상기 불활성 가스는 아르곤 또는 질소를 포함하고; 그리고
상기 제 1 조정된 프로세스 조건 및 상기 제 2 조정된 프로세스 조건 각각은 각각의 상기 커튼 가스의 조정된 조성을 포함하는, 막을 증착하는 방법. - 제 1 항에 있어서,
상기 순환적 증착 프로세스는 원자 층 증착 (atomic layer deposition) 프로세스를 포함하는, 막을 증착하는 방법. - 멀티-스테이션 반도체 프로세싱 장치에 있어서,
가스 전달 시스템;
상기 가스 전달 시스템에 커플링되고, 적어도 제 1 스테이션 및 제 2 스테이션을 포함하는 프로세싱 챔버; 및
제어기를 포함하고, 상기 제어기는, 멀티-스테이션 반도체 프로세싱 장치로 하여금,
기판 상에 재료를 증착하는 순환적 증착 프로세스의 증착 사이클들 중 제 1 세트 동안, 제 1 프로세스 조건 하의 커튼 가스를 상기 제 1 스테이션으로 흘리고, 그리고 제 2 프로세스 조건 하의 상기 커튼 가스를 상기 제 2 스테이션으로 흘리게 하고;
상기 제 1 프로세스 조건을 제 1 조정된 프로세스 조건으로, 상기 제 2 프로세스 조건을 제 2 조정된 프로세스 조건으로, 또는 모두를 조정하게 하고; 그리고
상기 제 1 조정된 프로세스 조건, 상기 제 2 조정된 프로세스 조건, 또는 모두에 따라 상기 순환적 증착 프로세스의 증착 사이클들 중 제 2 세트 동안 상기 커튼 가스를 상기 제 1 스테이션 및 상기 제 2 스테이션으로 흘리게 하고, 이에 따라 상기 기판 상에 증착된 상기 재료의 두께의 균일도를 개선하도록 구성되는, 멀티-스테이션 반도체 프로세싱 장치. - 제 10 항에 있어서,
상기 제 1 프로세스 조건 및 상기 제 2 프로세스 조건은 각각의 상기 커튼 가스의 제 1 플로우 조건 및 상기 커튼 가스의 제 2 플로우 조건을 포함하는, 멀티-스테이션 반도체 프로세싱 장치. - 제 11 항에 있어서,
상기 제 1 플로우 조건 및 상기 제 2 플로우 조건 각각은 각각의 상기 커튼 가스의 플로우레이트 및/또는 상기 커튼 가스의 조성을 포함하고, 그리고 상기 제 1 조정된 프로세스 조건 및 상기 제 2 조정된 프로세스 조건 각각은 각각의 상기 커튼 가스의 조정된 플로우레이트를 포함하는, 멀티-스테이션 반도체 프로세싱 장치. - 제 12 항에 있어서,
상기 각각의 상기 커튼 가스의 조정된 플로우레이트는 상기 증착 사이클들 중 제 2 세트의 반응 페이즈의 일부 동안 흐르는, 멀티-스테이션 반도체 프로세싱 장치. - 제 11 항에 있어서,
상기 제 1 조정된 프로세스 조건 및 상기 제 2 조정된 프로세스 조건 각각은 각각의 상기 커튼 가스의 조정된 조성을 포함하는, 멀티-스테이션 반도체 프로세싱 장치. - 제 10 항에 있어서,
상기 커튼 가스는 순수 분자 산소를 포함하는, 멀티-스테이션 반도체 프로세싱 장치. - 제 10 항에 있어서,
상기 커튼 가스는 산소와 불활성 가스의 혼합물을 포함하는, 멀티-스테이션 반도체 프로세싱 장치. - 제 16 항에 있어서,
상기 불활성 가스는 아르곤 또는 질소를 포함하고; 그리고
상기 제 1 조정된 프로세스 조건 및 상기 제 2 조정된 프로세스 조건 각각은 각각의 상기 커튼 가스의 조정된 조성을 포함하는, 멀티-스테이션 반도체 프로세싱 장치. - 제 10 항에 있어서,
상기 순환적 증착 프로세스는 원자 층 증착 프로세스를 포함하는, 멀티-스테이션 반도체 프로세싱 장치.
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TW201809342A (zh) | 2018-03-16 |
KR102744016B1 (ko) | 2024-12-17 |
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US20170362713A1 (en) | 2017-12-21 |
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US10202691B2 (en) | 2019-02-12 |
KR102396162B1 (ko) | 2022-05-09 |
TWI743135B (zh) | 2021-10-21 |
KR102691029B1 (ko) | 2024-08-01 |
CN115584489A (zh) | 2023-01-10 |
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