KR20170076568A - 성막 장치 - Google Patents
성막 장치 Download PDFInfo
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- KR20170076568A KR20170076568A KR1020160172554A KR20160172554A KR20170076568A KR 20170076568 A KR20170076568 A KR 20170076568A KR 1020160172554 A KR1020160172554 A KR 1020160172554A KR 20160172554 A KR20160172554 A KR 20160172554A KR 20170076568 A KR20170076568 A KR 20170076568A
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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
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- H10P72/76—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof for supporting or gripping using mechanical means, e.g. clamps or pinches
- H10P72/7604—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof for supporting or gripping using mechanical means, e.g. clamps or pinches the wafers being placed on a susceptor, stage or support
- H10P72/7621—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof for supporting or gripping using mechanical means, e.g. clamps or pinches the wafers being placed on a susceptor, stage or support characterised by supporting two or more semiconductor substrates
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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
- C23C16/4412—Details relating to the exhausts, e.g. pumps, filters, scrubbers, particle traps
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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
- C23C16/455—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
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- C23C16/45536—Use of plasma, radiation or electromagnetic fields
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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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- C23C16/45523—Pulsed gas flow or change of composition over time
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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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- C23C16/45523—Pulsed gas flow or change of composition over time
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- C23C16/45544—Atomic layer deposition [ALD] characterized by the apparatus
- C23C16/45548—Atomic layer deposition [ALD] characterized by the apparatus having arrangements for gas injection at different locations of the reactor for each ALD half-reaction
- C23C16/45551—Atomic layer deposition [ALD] characterized by the apparatus having arrangements for gas injection at different locations of the reactor for each ALD half-reaction for relative movement of the substrate and the gas injectors or half-reaction reactor compartments
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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
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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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Abstract
Description
도 2는 상기 성막 장치의 횡단 평면도이다.
도 3은 상기 성막 장치를 상면측에서 본 평면도이다.
도 4는 상기 성막 장치에 형성되어 있는 제1 영역의 확대 종단 측면도이다.
도 5는 상기 제1 영역에 설치되어 있는 원료 가스 유닛을 하면측에서 본 평면도이다.
도 6은 상기 성막 장치에 형성되어 있는 제2 영역의 확대 종단 측면도이다.
도 7은 상기 제2 영역에 설치되어 있는 가스 인젝터의 배치 상태를 도시하는 모식도이다.
도 8은 상기 제2 영역에 설치되어 있는 플라즈마 형성부 내의 슬롯판의 평면도이다.
도 9는 상기 성막 장치에 형성되어 있는 반응 전 영역 또는 반응 후 영역의 확대 종단 측면도이다.
도 10은 상기 성막 장치의 작용을 도시하는 설명도이다.
도 11은 실시예의 막 두께 분포를 도시하는 설명도이다.
도 12는 비교예의 막 두께 분포를 나타내는 제1 설명도이다.
도 13은 비교예의 막 두께 분포를 나타내는 제2 설명도이다.
r1 : 반응 전 영역 r2 : 반응 후 영역
W : 웨이퍼 2 : 회전 테이블
21 : 기판 적재 영역 330 : 토출부
6, 6A 내지 6C : 플라즈마 형성부 7 : 가스 인젝터
703 : 주연측 처리 가스 토출 구멍
704 : 중앙측 처리 가스 토출 구멍 8 : 제어부
Claims (10)
- 진공 용기 내에서 기판에 박막을 성막하기 위한 성막 장치에 있어서,
상기 진공 용기 내에 설치되고, 기판이 적재되는 기판 적재 영역을 회전 중심 둘레로 공전시키기 위한 회전 테이블과,
상기 기판 적재 영역이 통과하는 공전면을, 상기 기판 적재 영역의 공전 방향과 교차하는 방향으로 구획해서 이루어지는 제1 영역에, 상기 회전 테이블과 대향하도록 설치된 토출부로부터 상기 박막의 원료 가스를 공급하는 제1 가스 공급부와,
상기 토출부의 주위를 둘러싸는 제1 폐로를 따라 연장되도록 형성된 배기구로부터 배기를 행하는 배기부와,
상기 배기구의 주위를 둘러싸는 제2 폐로를 따라 연장되도록 형성된 분리 가스 공급구로부터, 상기 제2 폐로의 내외를 분리하기 위한 분리 가스를 공급하는 제2 가스 공급부와,
상기 기판 적재 영역의 공전 방향과 교차하는 방향으로 신장되고, 상기 제2 폐로의 외측에 설치된 제2 영역을 사이에 두어 간격을 두고 배치됨과 함께, 각각, 상기 원료 가스와 반응하는 반응 가스를 제2 영역측을 향해서 토출하기 위한 가스 토출 구멍이 형성된 2개의 가스 인젝터를 포함하는 제3 가스 공급부와,
상기 제2 영역을 향해서 토출된 반응 가스를 플라즈마화하기 위한 반응 가스용 플라즈마 형성부와,
상기 제1 영역, 제2 영역과는 상이한 위치에, 기판 적재 영역이 통과하는 공전면을, 상기 공전의 방향과 교차하는 방향으로 구획해서 설치되고, 상기 원료 가스의 공급 및 플라즈마화한 반응 가스의 공급에 의한 처리와는 상이한 처리가 행하여지는 다른 처리 영역을 포함하는 성막 장치. - 제1항에 있어서,
상기 다른 처리 영역은, 기판 적재 영역의 공전 방향을 따라 보았을 때, 상기 제1 영역의 하류측이면서, 또한 상기 제2 영역의 상류측에 형성된 반응 전 영역이며,
상기 반응 전 영역에, 상기 제1 영역에서 기판에 흡착된 원료 가스에 포함되는 불순물을 제거하기 위한 전처리 가스를 공급하는 전처리 가스 공급부를 더 포함하는, 성막 장치. - 제2항에 있어서,
상기 전처리 가스를 플라즈마화하기 위한 전처리 가스용 플라즈마 형성부를 더 포함하는, 성막 장치. - 제2항에 있어서,
상기 전처리 가스 공급부는, 상기 기판 적재 영역의 공전 방향과 교차하는 방향을 따라서 상기 전처리 가스를 공급하는, 성막 장치. - 제1항 내지 제4항 중 어느 한 항에 있어서,
상기 다른 처리 영역은, 기판 적재 영역의 공전 방향을 따라 보았을 때, 상기 제2 영역의 하류측이면서, 또한 상기 제1 영역의 상류측에 형성된 반응 후 영역이며,
상기 반응 후 영역에, 기판에 성막된 박막을 개질하기 위한 후처리 가스를 공급하는 후처리 가스 공급부를 더 포함하는, 성막 장치. - 제5항에 있어서,
상기 후처리 가스를 플라즈마화하기 위한 후처리 가스용 플라즈마 형성부를 더 포함하는, 성막 장치. - 제5항에 있어서,
상기 후처리 가스 공급부는, 상기 기판 적재 영역의 공전 방향과 교차하는 방향을 따라서 상기 후처리 가스를 공급하는, 성막 장치. - 제1항에 있어서,
상기 반응 가스용의 플라즈마 형성부는, 플라즈마화하는 가스가 공급되는 영역 내에, 마이크로파를 방사하기 위한 다수의 슬롯이 형성된 슬롯판과, 상기 회전 테이블과 슬롯판과의 사이에 설치되어, 상기 슬롯판으로부터 방사되는 마이크로파가 투과하는 유전체 플레이트를 포함하는, 성막 장치. - 제3항에 있어서,
상기 전처리 가스용의 플라즈마 형성부는, 플라즈마화하는 가스가 공급되는 영역 내에, 마이크로파를 방사하기 위한 다수의 슬롯이 형성된 슬롯판과, 상기 회전 테이블과 슬롯판과의 사이에 설치되어, 상기 슬롯판으로부터 방사되는 마이크로파가 투과하는 유전체 플레이트를 포함하는, 성막 장치. - 제6항에 있어서,
상기 후처리 가스용의 플라즈마 형성부는, 플라즈마화하는 가스가 공급되는 영역 내에, 마이크로파를 방사하기 위한 다수의 슬롯이 형성된 슬롯판과, 상기 회전 테이블과 슬롯판과의 사이에 설치되어, 상기 슬롯판으로부터 방사되는 마이크로파가 투과하는 유전체 플레이트를 포함하는, 성막 장치.
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| KR20200054878A (ko) * | 2018-11-12 | 2020-05-20 | 도쿄엘렉트론가부시키가이샤 | 성막 장치 및 성막 방법 |
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