KR102203554B1 - 성막 장치 및 성막 방법 - Google Patents
성막 장치 및 성막 방법 Download PDFInfo
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- KR102203554B1 KR102203554B1 KR1020170148048A KR20170148048A KR102203554B1 KR 102203554 B1 KR102203554 B1 KR 102203554B1 KR 1020170148048 A KR1020170148048 A KR 1020170148048A KR 20170148048 A KR20170148048 A KR 20170148048A KR 102203554 B1 KR102203554 B1 KR 102203554B1
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- H01L21/02107—Forming insulating materials on a substrate
- 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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- 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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- C23C16/45548—Atomic layer deposition [ALD] characterized by the apparatus having arrangements for gas injection at different locations of the reactor for each ALD half-reaction
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Abstract
처리실과,
해당 처리실 내에 설치되어, 기판을 상면에 주위 방향을 따라 적재 가능한 기판 적재 영역을 갖는 회전 테이블과,
해당 회전 테이블의 반경 방향으로 연장되어, 해당 회전 테이블의 반경을 덮도록 해당 회전 테이블의 상방에 해당 회전 테이블과 제1 간격을 갖고 설치된 원료 가스 공급 수단과,
상기 회전 테이블의 상기 반경 방향의 축측의 소정 영역을 덮도록 상기 회전 테이블과 상기 제1 간격보다도 넓은 제2 간격을 갖고, 상기 원료 가스 공급 수단의 근방에 설치된 축측 보조 가스 공급 수단을 갖는다.
Description
도 2는 본 발명의 실시 형태에 관한 성막 장치의 진공 용기 내의 구성을 도시하는 개략 사시도이다.
도 3은 본 발명의 실시 형태에 관한 성막 장치의 진공 용기 내의 구성을 도시하는 개략 평면도이다.
도 4는 본 발명의 실시 형태에 관한 성막 장치의 회전 테이블의 동심원을 따른 진공 용기의 개략 단면도이다.
도 5는 본 발명의 실시 형태에 관한 성막 장치의 다른 개략 단면도이다.
도 6은 본 발명의 실시 형태에 관한 성막 장치의 샤워 헤드의 저면판의 하면의 구성의 일례를 도시한 도면이다.
도 7은 본 발명의 실시 형태에 관한 성막 장치의 샤워 헤드의 저면판의 상면의 구성의 일례를 도시한 도면이다.
도 8은 본 발명의 실시 형태에 관한 성막 장치의 샤워 헤드의 전체 구성의 일례를 도시한 사시도이다.
도 9는 본 발명의 실시 형태에 관한 성막 장치의 샤워 헤드의 원료 가스 공급부를 따라 절단한 사시 단면도이다.
도 10은 본 발명의 실시 형태에 관한 성막 장치에 설치한 샤워 헤드를, 원료 가스 공급부를 통과하는 라인으로 절단한 사시 단면도이다.
도 11은 본 발명의 실시 형태에 관한 성막 장치에 설치한 샤워 헤드를, 축측 보조 가스 공급부 및 외주측 보조 가스 공급부를 통과하는 라인으로 절단한 사시 단면도이다.
도 12는 본 실시 형태에 관한 플라스마 발생부의 일례의 종단면도이다.
도 13은 본 발명의 실시 형태에 관한 플라스마 처리 장치의 플라스마 발생부의 일례의 분해 사시도이다.
도 14는 본 발명의 실시 형태에 관한 성막 장치의 플라스마 처리 장치의 플라스마 발생부에 설치되는 하우징의 일례의 사시도이다.
도 15는 본 발명의 실시 형태에 관한 성막 장치의 회전 테이블의 회전 방향을 따라 진공 용기를 절단한 종단면도이다.
도 16은 본 발명의 실시 형태에 관한 성막 장치의 플라스마 처리 영역에 설치된 처리 가스 노즐을 확대하여 도시한 사시도이다.
도 17은 본 실시 형태에 관한 성막 장치의 플라스마 발생부의 일례의 평면도이다.
도 18은 본 실시 형태에 관한 성막 장치의 플라스마 발생부에 설치되는 패러데이 실드의 일부를 도시한 사시도이다.
도 19는 시뮬레이션 실험 1에 관한 성막 결과를 도시한 도면이다.
도 20은 시뮬레이션 실험 2의 해석 결과를 도시한 도면이다.
도 21은 시뮬레이션 실험 3의 해석 결과를 도시한 도면이다.
도 22는 시뮬레이션 실험 4에 사용하는 성막 장치의 샤워 헤드의 저면판의 하면의 구성을 도시한 도면이다.
도 23은 시뮬레이션 실험 4의 해석 결과를 도시한 도면이다.
도 24는 본 실시 형태에 관한 성막 장치를 사용하여 성막 처리를 실시한 실시예 1의 실시 결과를 나타낸 도면이다.
도 25는 본 실시 형태에 관한 성막 장치를 사용하여 성막 처리를 실시한 실시예 2의 실시 결과를 나타낸 도면이다.
도 26은 본 실시 형태에 관한 성막 장치를 사용하여 성막 처리를 실시한 실시예 3의 실시 결과를 나타낸 도면이다.
2: 회전 테이블
24: 오목부
30: 샤워 헤드
31: 저면판
32: 원료 가스 공급부
33: 축측 보조 가스 공급부
34: 외주측 보조 가스 공급부
32a 내지 34a: 가스 공급로
39: 가스 도입구
39a: 가스 도입로
81: 플라스마 발생부
120 내지 123: 유량 제어기
130 내지 133: 가스 공급원
P1 내지 P3: 처리 영역
W: 웨이퍼
Claims (16)
- 처리실과,
해당 처리실 내에 설치되어, 기판을 상면에 주위 방향을 따라 적재 가능한 기판 적재 영역을 갖는 회전 테이블과,
해당 회전 테이블의 반경 방향으로 연장되어, 해당 회전 테이블의 반경 전체를 덮도록 해당 회전 테이블의 상방에 해당 회전 테이블과 제1 간격을 갖고 설치된 원료 가스 공급 수단과,
상기 회전 테이블의 상기 반경 방향의 축측의 소정 영역을 덮도록 상기 회전 테이블과 상기 제1 간격보다도 넓은 제2 간격을 갖고 설치된 축측 보조 가스 공급 수단과,
상기 회전 테이블의 상기 반경 방향의 외주측의 소정 영역을 덮도록 상기 회전 테이블과 상기 제2 간격과 동등하거나 그보다도 넓은 제3 간격을 갖고 설치된 외주측 보조 가스 공급 수단을 가지고,
상기 원료 가스 공급 수단은 적어도 원료 가스 공급원에 접속되고,
상기 축측 보조 가스 공급 수단 및 상기 외주측 보조 가스 공급 수단은 적어도 불활성 가스 공급원에 접속된, 성막 장치. - 삭제
- 제1항에 있어서,
상기 원료 가스 공급 수단, 상기 축측 보조 가스 공급 수단 및 상기 외주측 보조 가스 공급 수단은 샤워 헤드로서 일체적으로 구성되어 있는, 성막 장치. - 제3항에 있어서,
상기 샤워 헤드는, 상기 회전 테이블의 상기 주위 방향의 일부를 부채형으로 덮는 형상을 갖는, 성막 장치. - 제4항에 있어서,
상기 원료 가스 공급 수단, 상기 축측 보조 가스 공급 수단 및 상기 외주측 보조 가스 공급 수단은, 상기 샤워 헤드의 저면에, 상기 회전 테이블의 상기 반경 방향을 따라 직선상으로 배열된 복수의 가스 토출 구멍을 각각 갖는, 성막 장치. - 제5항에 있어서,
상기 복수의 가스 토출 구멍은, 상기 샤워 헤드의 상기 저면 내에서, 상기 회전 테이블의 회전 방향의 상류측의 소정 위치에 배치된, 성막 장치. - 제1항, 제3항 내지 제6항 중 어느 한 항에 있어서,
상기 원료 가스 공급 수단, 상기 축측 보조 가스 공급 수단 및 상기 외주측 보조 가스 공급 수단은 각각 독립적으로 유량 및 가스 조성을 변경 가능하도록 개별 공급 라인으로서 구성되어 있는, 성막 장치. - 삭제
- 제1항, 제3항 내지 제6항 중 어느 한 항에 있어서,
상기 원료 가스 공급 수단으로부터 공급되는 원료 가스는 실리콘 함유 가스이고,
상기 축측 보조 가스 공급 수단 및 상기 외주측 보조 가스 공급 수단으로부터 공급되는 보조 가스는 막 두께를 조정하기 위한 막 두께 조정용 가스인, 성막 장치. - 처리실 내에 설치된 회전 테이블 상에 적재된 기판에, 상기 회전 테이블의 주위 방향의 일부에 형성된 원료 가스 공급 영역에 있어서, 상기 회전 테이블의 상방에서 상기 회전 테이블의 반경 전체를 덮도록 상기 회전 테이블과 제1 간격을 갖고 설치된 원료 가스 공급 수단으로부터, 상기 회전 테이블을 회전시키면서 원료 가스를 공급하는 공정과,
상기 원료 가스 공급 영역에 있어서, 상기 회전 테이블의 축측의 소정 영역을 덮도록 상기 회전 테이블과 상기 제1 간격보다도 넓은 제2 간격을 갖고 설치된 축측 보조 가스 공급 수단으로부터, 상기 회전 테이블을 회전시키면서 막 두께를 조정하기 위한 소정의 축측 보조 가스를 공급하는 공정과,
상기 원료 가스 공급 영역에 있어서, 상기 회전 테이블의 외주측의 소정 영역을 덮도록 상기 회전 테이블과 상기 제2 간격과 동등하거나 그보다도 넓은 제3 간격을 갖고 설치된 외주측 보조 가스 공급 수단으로부터, 상기 회전 테이블을 회전시키면서 막 두께를 조정하기 위한 소정의 외주측 보조 가스를 공급하는 공정을 가지고,
상기 원료 가스 공급 수단은 적어도 원료 가스 공급원에 접속되고,
상기 축측 보조 가스 공급 수단 및 상기 외주측 보조 가스 공급 수단은 적어도 불활성 가스 공급원에 접속된, 성막 방법. - 삭제
- 제10항에 있어서,
상기 원료 가스를 공급하는 공정, 상기 축측 보조 가스를 공급하는 공정 및 상기 외주측 보조 가스를 공급하는 공정은 동시에 계속적으로 행해지는, 성막 방법. - 제10항 또는 제12항에 있어서,
상기 원료 가스 공급 수단으로부터 공급되는 원료 가스는 실리콘 함유 가스이고,
상기 축측 보조 가스 공급 수단 및 상기 외주측 보조 가스 공급 수단으로부터 공급되는 상기 축측 보조 가스 및 상기 외주측 보조 가스는 불활성 가스를 포함하는 가스인, 성막 방법. - 제10항 또는 제12항에 있어서,
상기 축측 보조 가스 공급 수단 및 상기 외주측 보조 가스 공급 수단은 상기 원료 가스의 농도를 저하시키도록 상기 축측 보조 가스 및 상기 외주측 보조 가스를 공급하는, 성막 방법. - 제10항 또는 제12항에 있어서,
상기 원료 가스 공급 수단, 상기 축측 보조 가스 공급 수단 및 상기 외주측 보조 가스 공급 수단은 샤워 헤드로서 일체적으로 구성되고, 상기 원료 가스, 상기 축측 보조 가스 및 상기 외주측 보조 가스는 상기 샤워 헤드의 저면으로부터 공급되는, 성막 방법. - 제10항 또는 제12항에 있어서,
상기 원료 가스는 30sccm 이하의 유량으로 공급되는, 성막 방법.
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JP2001254181A (ja) * | 2000-01-06 | 2001-09-18 | Tokyo Electron Ltd | 成膜装置および成膜方法 |
US20130019801A1 (en) | 2011-07-21 | 2013-01-24 | Tokyo Electron Limited | Film deposition apparatus and substrate processing apparatus |
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