KR20140002539A - 성막 방법, 성막 장치 및 기억 매체 - Google Patents
성막 방법, 성막 장치 및 기억 매체 Download PDFInfo
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- 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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- C23C16/45527—Atomic layer deposition [ALD] characterized by the ALD cycle, e.g. different flows or temperatures during half-reactions, unusual pulsing sequence, use of precursor mixtures or auxiliary reactants or activations
- C23C16/45536—Use of plasma, radiation or electromagnetic fields
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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
- 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]
- 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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- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02123—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon
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- H01L21/02107—Forming insulating materials on a substrate
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- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02172—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides
- H01L21/02175—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides characterised by the metal
- H01L21/02178—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides characterised by the metal the material containing aluminium, e.g. Al2O3
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- H01L21/02107—Forming insulating materials on a substrate
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- H01L21/02208—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates the layer being characterised by the precursor material for deposition the precursor containing a compound comprising Si
- H01L21/02211—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates the layer being characterised by the precursor material for deposition the precursor containing a compound comprising Si the compound being a silane, e.g. disilane, methylsilane or chlorosilane
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- H01L21/033—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising inorganic layers
- H01L21/0334—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising inorganic layers characterised by their size, orientation, disposition, behaviour, shape, in horizontal or vertical plane
- H01L21/0337—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising inorganic layers characterised by their size, orientation, disposition, behaviour, shape, in horizontal or vertical plane characterised by the process involved to create the mask, e.g. lift-off masks, sidewalls, or to modify the mask, e.g. pre-treatment, post-treatment
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- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
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- H10D30/024—Manufacture or treatment of FETs having insulated gates [IGFET] of fin field-effect transistors [FinFET]
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- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/791—Arrangements for exerting mechanical stress on the crystal lattice of the channel regions
- H10D30/792—Arrangements for exerting mechanical stress on the crystal lattice of the channel regions comprising applied insulating layers, e.g. stress liners
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Abstract
Description
도 2는 상기 성막 장치의 횡단 평면도.
도 3은 스트레스 라이너막이 성막되는 P형 FET의 설명도.
도 4는 스트레스 라이너막이 성막되는 N형 FET의 설명도.
도 5는 스트레스 라이너막이 웨이퍼에 가하는 응력의 방향을 도시하는 설명도.
도 6은 3차원 FET의 볼록부에 스트레스 라이너막을 성막한 상태를 도시하는 설명도.
도 7은 웨이퍼 상에 분자층이 적층되는 상태를 도시한 설명도.
도 8은 상기 성막 장치의 작용 설명도.
도 9는 자외선 조사를 행하지 않는 사이클을 포함하는 성막법의 타임차트.
도 10은 상기 타임차트에 나타내는 방법에 의해 성막된 스트레스 라이너막의 모식도.
도 11은 더블 패터닝에 관한 제1 설명도.
도 12는 더블 패터닝에 관한 제2 설명도.
도 13은 더블 패터닝에 관한 제3 설명도.
도 14는 더블 패터닝에 관한 제4 설명도.
도 15는 더블 패터닝에 관한 제5 설명도.
도 16은 더블 패터닝시에 마스크부의 표면에 성막된 AlN막의 모식도.
도 17은 상기 AlN막으로부터 형성된 사이드 월의 모식도.
도 18은 벌브형 UV 램프를 구비한 성막 장치의 분해 사시도.
도 19는 벌브형 UV 램프를 구비한 성막 장치의 일부 확대 종단 측면도.
도 20은 플라즈마 발생부를 구비한 성막 장치의 횡단 평면도.
도 21은 플라즈마 발생부를 구비한 성막 장치의 분해 사시도.
도 22는 실시예에 사용한 응력 측정기의 원리의 설명도.
도 23은 실시예의 결과를 나타내는 설명도.
1 : 진공 용기
2 : 회전 테이블
31 : 제1 처리 가스 노즐
32 : 제2 처리 가스 노즐
41, 42 : 분리 가스 노즐
6, 6a : 자외선 조사부
61, 61a : UV 램프
8 : 플라즈마 발생부
90, 90a, 90b, 90c : 스트레스 라이너막
90d : SiN막
90e : 사이드 월
900 : 분자층
903 : 마스크 부분
91 : 기판
Claims (9)
- 진공 용기 내에서 회전 테이블에 재치된 기판을 공전시키면서 서로 다른 처리 가스를 순서대로 공급하는 사이클을 복수 회 반복하여 질화 알루미늄 또는 질화 규소로 이루어지는 반응 생성물의 분자층을 적층하여 박막을 얻는 성막 방법으로서,
상기 회전 테이블을 회전시켜 상기 기판을 공전시키면서, 상기 반응 생성물을 얻기 위한 원료 가스인 제1 처리 가스를 상기 기판에 대해 공급하는 공정과,
상기 제1 처리 가스가 상기 기판에 공급된 위치에 대해 상기 회전 테이블의 둘레 방향으로 이격되어 설정된 위치에서, 상기 기판에 흡착된 상기 제1 처리 가스를 질화하기 위한 가스인 제2 처리 가스를 기판에 공급하는 공정과,
상기 회전 테이블의 둘레 방향에 있어서 상기 제1 처리 가스가 공급되는 위치와 상기 제2 처리 가스가 공급되는 위치 사이에서 상기 제1 처리 가스와 상기 제2 처리 가스를 분리하는 공정과,
상기 박막에 발생하는 응력을 조절하기 위해, 상기 회전 테이블 상의 상기 기판에 형성된 상기 반응 생성물의 상기 분자층에 대해 자외선을 조사하는 공정을 포함하는 성막 방법. - 제1항에 있어서,
상기 제1 처리 가스를 상기 기판에 공급하는 공정과, 상기 제2 처리 가스를 상기 기판에 공급하는 공정과, 상기 자외선을 조사하는 공정으로 이루어지는 사이클이 회전 테이블의 1회전 동안에 행해지는 성막 방법. - 제1항에 있어서,
상기 박막은, 상기 기판에 대해 응력을 가하기 위한 스트레스 라이너막인 성막 장치. - 제3항에 있어서,
상기 기판에는 볼록부가 형성되어 있고, 상기 박막은, 상기 볼록부의 벽면을 따라 형성되는 성막 방법. - 제1항에 있어서,
상기 기판에는, 패턴이 형성되는 피처리막과, 라인 형상의 마스크 패턴이 하방측으로부터 이 순서로 적층되고, 상기 박막은, 상기 마스크 패턴의 마스크 부분의 양 측벽에 접하는 퇴적 부분을 얻기 위해 형성되고, 상기 퇴적 부분은, 상기 마스크 부분을 제거한 후에 당해 퇴적 부분을 다음 마스크 부분으로 하여 상기 피처리막을 패터닝하기 위한 것이고,
상기 자외선 조사부는, 상기 퇴적 부분의 붕괴를 억제하기 위해, 상기 반응 생성물의 분자층에 조사되는 자외선의 양이, 하층측보다도 상층측의 쪽이 커지도록 상기 자외선의 조사량을 조절하는 공정을 포함하는 성막 방법. - 제1항에 있어서,
상기 기판에 적층되는 상기 반응 생성물의 상기 분자층 중, m층 중, n층(단, m, n은 m>n의 관계에 있는 자연수)에 대해서는 상기 자외선이 조사되지 않도록, 상기 자외선을 조사하는 공정을 간헐적으로 실행하는 성막 방법. - 진공 용기 내에서 회전 테이블에 재치된 기판을 공전시키면서 서로 다른 처리 가스를 순서대로 공급하는 사이클을 복수 회 반복하여 질화 알루미늄 또는 질화 규소로 이루어지는 반응 생성물의 분자층을 적층하여 박막을 얻는 성막 장치로서,
상기 반응 생성물을 얻기 위한 원료 가스인 제1 처리 가스를 상기 기판에 대해 공급하는 제1 처리 가스 공급부와,
상기 제1 처리 가스 공급부에 대해 상기 회전 테이블의 둘레 방향으로 이격되어 설치되고, 상기 기판에 흡착된 상기 제1 처리 가스를 질화하기 위한 가스인 제2 처리 가스를 상기 기판에 공급하는 제2 처리 가스 공급부와,
상기 회전 테이블의 둘레 방향에 있어서 상기 제1 처리 가스 공급부와 상기 제2 처리 가스 공급부 사이에 설치되고, 상기 제1 처리 가스와 상기 제2 처리 가스의 혼합을 피하기 위한 분리 영역과,
상기 박막에 발생하는 응력을 조절하기 위해, 상기 회전 테이블 상의 상기 기판에 형성된 상기 반응 생성물의 상기 분자층에 대해 자외선을 조사하는 자외선 조사부를 구비하는 성막 장치. - 제7항에 있어서,
상기 기판에 상기 제1 처리 가스가 흡착되는 스텝과, 당해 흡착된 가스가 상기 제2 처리 가스에 의해 질화되어 상기 반응 생성물의 상기 분자층이 형성되는 스텝과, 상기 분자층에 대해 상기 자외선을 조사하는 스텝으로 이루어지는 사이클을 복수 회 반복하도록 제어 신호를 출력하는 제어부를 구비한 성막 장치. - 진공 용기 내에서 회전 테이블에 재치된 기판을 공전시키면서 서로 다른 처리 가스를 순서대로 공급하는 사이클을 복수 회 반복하여 박막을 얻는 성막 장치에 사용되는 컴퓨터 프로그램을 저장한 기억 매체로서,
상기 프로그램은 제1항에 기재된 성막 방법을 실행하기 위해 스텝이 짜여져 있는 기억 매체.
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KR20170101988A (ko) * | 2015-01-02 | 2017-09-06 | 어플라이드 머티어리얼스, 인코포레이티드 | 처리 챔버 |
KR20190003795A (ko) * | 2016-05-29 | 2019-01-09 | 도쿄엘렉트론가부시키가이샤 | 수소 플라즈마를 사용한 실리콘 추출 방법 |
CN110396678A (zh) * | 2018-04-24 | 2019-11-01 | 东京毅力科创株式会社 | 成膜装置和成膜方法 |
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TW201410912A (zh) | 2014-03-16 |
US20140004713A1 (en) | 2014-01-02 |
KR101589346B1 (ko) | 2016-01-29 |
TWI516634B (zh) | 2016-01-11 |
JP5842750B2 (ja) | 2016-01-13 |
JP2014011357A (ja) | 2014-01-20 |
US8853100B2 (en) | 2014-10-07 |
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