KR100790526B1 - 반도체장치 및 그의 제작방법 - Google Patents
반도체장치 및 그의 제작방법 Download PDFInfo
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- KR100790526B1 KR100790526B1 KR1020010037295A KR20010037295A KR100790526B1 KR 100790526 B1 KR100790526 B1 KR 100790526B1 KR 1020010037295 A KR1020010037295 A KR 1020010037295A KR 20010037295 A KR20010037295 A KR 20010037295A KR 100790526 B1 KR100790526 B1 KR 100790526B1
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- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
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- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
- H01L29/78606—Thin film transistors, i.e. transistors with a channel being at least partly a thin film with supplementary region or layer in the thin film or in the insulated bulk substrate supporting it for controlling or increasing the safety of the device
- H01L29/78618—Thin film transistors, i.e. transistors with a channel being at least partly a thin film with supplementary region or layer in the thin film or in the insulated bulk substrate supporting it for controlling or increasing the safety of the device characterised by the drain or the source properties, e.g. the doping structure, the composition, the sectional shape or the contact structure
- H01L29/78621—Thin film transistors, i.e. transistors with a channel being at least partly a thin film with supplementary region or layer in the thin film or in the insulated bulk substrate supporting it for controlling or increasing the safety of the device characterised by the drain or the source properties, e.g. the doping structure, the composition, the sectional shape or the contact structure with LDD structure or an extension or an offset region or characterised by the doping profile
- H01L2029/7863—Thin film transistors, i.e. transistors with a channel being at least partly a thin film with supplementary region or layer in the thin film or in the insulated bulk substrate supporting it for controlling or increasing the safety of the device characterised by the drain or the source properties, e.g. the doping structure, the composition, the sectional shape or the contact structure with LDD structure or an extension or an offset region or characterised by the doping profile with an LDD consisting of more than one lightly doped zone or having a non-homogeneous dopant distribution, e.g. graded LDD
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- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/423—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions not carrying the current to be rectified, amplified or switched
- H01L29/42312—Gate electrodes for field effect devices
- H01L29/42316—Gate electrodes for field effect devices for field-effect transistors
- H01L29/4232—Gate electrodes for field effect devices for field-effect transistors with insulated gate
- H01L29/42384—Gate electrodes for field effect devices for field-effect transistors with insulated gate for thin film field effect transistors, e.g. characterised by the thickness or the shape of the insulator or the dimensions, the shape or the lay-out of the conductor
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- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/49—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET
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- H—ELECTRICITY
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- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
- H01L29/78606—Thin film transistors, i.e. transistors with a channel being at least partly a thin film with supplementary region or layer in the thin film or in the insulated bulk substrate supporting it for controlling or increasing the safety of the device
- H01L29/78618—Thin film transistors, i.e. transistors with a channel being at least partly a thin film with supplementary region or layer in the thin film or in the insulated bulk substrate supporting it for controlling or increasing the safety of the device characterised by the drain or the source properties, e.g. the doping structure, the composition, the sectional shape or the contact structure
- H01L29/78621—Thin film transistors, i.e. transistors with a channel being at least partly a thin film with supplementary region or layer in the thin film or in the insulated bulk substrate supporting it for controlling or increasing the safety of the device characterised by the drain or the source properties, e.g. the doping structure, the composition, the sectional shape or the contact structure with LDD structure or an extension or an offset region or characterised by the doping profile
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Abstract
Description
Claims (78)
- 절연 표면 상에 형성된 차폐막 및 하층 배선;상기 차폐막 및 상기 하층 배선을 덮도록 형성된 평탄화 절연막; 및상기 평탄화 절연막 위에 형성된 반도체층을 포함하고;상기 차폐막은 상기 평탄화 절연막을 사이에 두고 상기 반도체층과 겹쳐 있는 것을 특징으로 하는 반도체장치.
- 제 1 항에 있어서, 상기 차폐막 및 상기 하층 배선의 두께가 0.1 ㎛∼0.5 ㎛인 것을 특징으로 하는 반도체장치.
- 제 1 항에 있어서, 상기 차폐막 및 상기 하층 배선의 엣지(edge)부가 테이퍼져 있는 것을 특징으로 하는 반도체장치.
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- 절연 표면 상에 형성된 차폐막 및 하층 배선;상기 차폐막 및 상기 하층 배선을 덮도록 형성된 평탄화 절연막; 및상기 평탄화 절연막 위에 형성된, 활성층을 포함하는 박막트랜지스터를 포함하고;상기 활성층은 채널 형성 영역을 가지고 있고,상기 차폐막은 상기 평탄화 절연막을 사이에 두고 상기 채널 형성 영역과 겹쳐 있는 것을 특징으로 하는 반도체장치.
- 제 11 항에 있어서, 상기 차폐막 및 상기 하층 배선의 두께가 0.1 ㎛∼0.5 ㎛인 것을 특징으로 하는 반도체장치.
- 제 11 항에 있어서, 상기 차폐막 및 상기 하층 배선의 엣지부가 테이퍼져 있는 것을 특징으로 하는 반도체장치.
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- 절연 표면 상에 형성된 하층 용량 배선 및 하층 배선;상기 하층 용량 배선 및 상기 하층 배선을 덮도록 형성된 평탄화 절연막;상기 평탄화 절연막 위에 형성된 용량 배선; 및상기 용량 배선에 전기적으로 접속된 화소 전극을 포함하고;상기 하층 용량 배선은 상기 평탄화 절연막을 사이에 두고 상기 용량 배선과 겹쳐 있는 것을 특징으로 하는 반도체장치.
- 제 21 항에 있어서, 상기 하층 용량 배선 및 상기 하층 배선의 두께가 0.1 ㎛∼0.5 ㎛인 것을 특징으로 하는 반도체장치.
- 제 21 항에 있어서, 상기 하층 용량 배선 및 상기 하층 배선의 엣지부가 테이퍼져 있는 것을 특징으로 하는 반도체장치.
- 제 21 항에 있어서, 상기 평탄화 절연막의 두께가 0.5 ㎛∼1.5 ㎛인 것을 특징으로 하는 반도체장치.
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- 절연 표면 상에 형성된 차폐막, 하층 용량 배선, 및 하층 배선;상기 차폐막, 상기 하층 용량 배선, 및 상기 하층 배선을 덮도록 형성된 평탄화 절연막; 및상기 평탄화 절연막 위에 형성된, 활성층을 포함하는 박막트랜지스터를 포함하고;상기 활성층은 채널 형성 영역을 가지고 있고,상기 차폐막은 상기 평탄화 절연막을 사이에 두고 상기 채널 형성 영역과 겹쳐 있고,상기 하층 용량 배선은 상기 평탄화 절연막을 사이에 두고 상기 용량 배선과 겹쳐 있고,상기 박막트랜지스터의 게이트 전극이 상기 하층 배선에 전기적으로 접속되어 있는 것을 특징으로 하는 반도체장치.
- 제 32 항에 있어서, 상기 차폐막, 상기 하층 용량 배선, 및 상기 하층 배선 각각의 두께가 0.1 ㎛∼0.5 ㎛인 것을 특징으로 하는 반도체장치.
- 제 32 항에 있어서, 상기 차폐막, 상기 하층 용량 배선, 및 상기 하층 배선의 엣지부가 테이퍼져 있는 것을 특징으로 하는 반도체장치.
- 제 32 항에 있어서, 상기 평탄화 절연막의 두께가 0.5 ㎛∼1.5 ㎛인 것을 특징으로 하는 반도체장치.
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- 절연 표면 상에 차폐막 및 하층 배선을 형성하는 공정;상기 차폐막 및 상기 하층 배선을 덮도록 절연막을 형성하는 공정;상기 절연막을 연마하여 평탄화 절연막을 형성하는 공정; 및상기 평탄화 절연막 위에 반도체층을 형성하는 공정을 포함하고;상기 차폐막은 상기 평탄화 절연막을 사이에 두고 상기 반도체층과 겹쳐 있는 것을 특징으로 하는 반도체장치 제작방법.
- 제 43 항에 있어서, 상기 차폐막 및 상기 하층 배선 두께가 0.1 ㎛∼0.5 ㎛인 것을 특징으로 하는 반도체장치 제작방법.
- 제 43 항에 있어서, 상기 차폐막 및 상기 하층 배선의 엣지부가 테이퍼져 있는 것을 특징으로 하는 반도체장치 제작방법.
- 제 43 항에 있어서, 상기 평탄화 절연막의 두께가 0.5 ㎛∼1.5 ㎛인 것을 특징으로 하는 반도체장치 제작방법.
- 절연 표면 상에 차폐막 및 하층 배선을 형성하는 공정;상기 차폐막 및 상기 하층 배선을 덮도록 절연막을 형성하는 공정;상기 절연막을 연마하여 평탄화 절연막을 형성하는 공정; 및상기 평탄화 절연막 위에, 활성층을 포함하는 박막트랜지스터를 형성하는 공정을 포함하고;상기 활성층은 채널 형성 영역을 가지고 있고,상기 차폐막은 상기 평탄화 절연막을 사이에 두고 상기 채널 형성 영역과 겹쳐 있는 것을 특징으로 하는 반도체장치 제작방법.
- 제 47 항에 있어서, 상기 차폐막 및 상기 하층 배선의 두께가 0.1 ㎛∼0.5 ㎛인 것을 특징으로 하는 반도체장치 제작방법.
- 제 47 항에 있어서, 상기 차폐막 및 상기 하층 배선의 엣지부가 테이퍼져 있는 것을 특징으로 하는 반도체장치 제작방법.
- 제 47 항에 있어서, 상기 평탄화 절연막의 두께가 0.5 ㎛∼1.5 ㎛인 것을 특징으로 하는 반도체장치 제작방법.
- 절연 표면 상에 하층 용량 배선 및 하층 배선을 형성하는 공정;상기 하층 용량 배선 및 상기 하층 배선을 덮도록 절연막을 형성하는 공정;상기 절연막을 연마하여 평탄화 절연막을 형성하는 공정;상기 평탄화 절연막 위에 용량 배선을 형성하는 공정; 및상기 용량 배선에 전기적으로 접속된 화소 전극을 형성하는 공정을 포함하고;상기 하층 용량 배선은 상기 평탄화 절연막을 사이에 두고 상기 용량 배선과 겹쳐 있는 것을 특징으로 하는 반도체장치 제작방법.
- 제 51 항에 있어서, 상기 하층 용량 배선 및 상기 하층 배선의 두께가 0.1 ㎛∼0.5 ㎛인 것을 특징으로 하는 반도체장치 제작방법.
- 제 51 항에 있어서, 상기 하층 용량 배선 및 상기 하층 배선의 엣지부가 테이퍼져 있는 것을 특징으로 하는 반도체장치 제작방법.
- 제 51 항에 있어서, 상기 평탄화 절연막의 두께가 0.5 ㎛∼1.5 ㎛인 것을 특징으로 하는 반도체장치 제작방법.
- 절연 표면 상에 차폐막, 하층 용량 배선, 및 하층 배선을 형성하는 공정;상기 차폐막, 상기 하층 용량 배선, 및 상기 하층 배선을 덮도록 절연막을 형성하는 공정;상기 절연막을 연마하여 평탄화 절연막을 형성하는 공정; 및상기 평탄화 절연막 위에 용량 배선, 및 활성층을 포함하는 박막트랜지스터를 형성하는 공정을 포함하고;상기 활성층은 채널 형성 영역을 가지고 있고,상기 차폐막은 상기 평탄화 절연막을 사이에 두고 상기 채널 형성 영역과 겹쳐 있고,상기 하층 용량 배선은 상기 평탄화 절연막을 사이에 두고 상기 용량 배선과 겹쳐 있고,상기 박막트랜지스터의 게이트 전극이 상기 하층 배선에 전기적으로 접속되어 있는 것을 특징으로 하는 반도체장치 제작방법.
- 제 55 항에 있어서, 상기 차폐막, 상기 하층 용량 배선, 및 상기 하층 배선 각각의 두께가 0.1 ㎛∼0.5 ㎛인 것을 특징으로 하는 반도체장치 제작방법.
- 제 55 항에 있어서, 상기 차폐막, 상기 하층 용량 배선, 및 상기 하층 배선의 엣지부가 테이퍼져 있는 것을 특징으로 하는 반도체장치 제작방법.
- 제 55 항에 있어서, 상기 평탄화 절연막의 두께가 0.5 ㎛∼1.5 ㎛인 것을 특징으로 하는 반도체장치 제작방법.
- 제 1 항, 제 11 항, 제 21 항, 제 32 항 중 어느 한 항에 있어서, 상기 하층 배선이, 게이트 신호선과 소스 신호선으로 이루어진 군에서 선택되는 것을 특징으로 하는 반도체장치.
- 제 43 항, 제 47 항, 제 51 항, 제 55 항 중 어느 한 항에 있어서, 상기 하층 배선이, 게이트 신호선과 소스 신호선으로 이루어진 군에서 선택되는 것을 특징으로 하는 반도체장치 제작방법.
- 제 43 항, 제 47 항, 제 51 항, 제 55 항 중 어느 한 항에 있어서, 상기 반도체장치가, 비디오 카메라, 디지털 카메라, 프로젝터, 헤드 장착형 표시장치, 게임 기기, 퍼스널 컴퓨터, 휴대 전화기, 내비게이션 시스템, 전자 책, 음향 재생 장치, DVD 플레이어, 및 모바일 컴퓨터로 이루어진 군에서 선택되는 전자 장치에 설치되는 것을 특징으로 하는 반도체장치 제작방법.
- 제 1 항, 제 11 항, 제 21 항, 제 32 항 중 어느 한 항에 있어서, 상기 평탄화 절연막이 CMP법에 의해 절연막을 연마하여 형성되는 것을 특징으로 하는 반도체장치.
- 제 43 항, 제 47 항, 제 51 항, 제 55 항 중 어느 한 항에 있어서, 상기 절연막이 CMP법에 의해 연마되는 것을 특징으로 하는 반도체장치 제작방법.
- 제 1 항, 제 11 항, 제 21 항, 제 32 항 중 어느 한 항에 있어서, 상기 절연 표면이 기판의 표면인 것을 특징으로 하는 반도체장치.
- 제 43 항, 제 47 항, 제 51 항, 제 55 항 중 어느 한 항에 있어서, 상기 절연 표면이 기판의 표면인 것을 특징으로 하는 반도체장치 제작방법.
- 제 11 항 또는 제 32 항에 있어서, 상기 박막트랜지스터가 탑 게이트형 박막트랜지스터와 보텀 게이트형 박막트랜지스터로 이루어진 군에서 선택되는 것을 특징으로 하는 반도체장치.
- 제 47 항 또는 제 55 항에 있어서, 상기 박막트랜지스터가 탑 게이트형 박막트랜지스터와 보텀 게이트형 박막트랜지스터로 이루어진 군에서 선택되는 것을 특징으로 하는 반도체장치 제작방법.
- 제 1 항, 제 11 항, 제 32 항 중 어느 한 항에 있어서, 상기 차폐막이 차광성을 가지는 것을 특징으로 하는 반도체장치.
- 제 43 항, 제 47 항, 제 55 항 중 어느 한 항에 있어서, 상기 차폐막이 차광성을 가지는 것을 특징으로 하는 반도체장치 제작방법.
- 제 1 항, 제 11 항, 제 21 항, 제 32 항 중 어느 한 항에 있어서, 상기 평탄화 절연막이, 산화규소, 질화규소, 및 산화질화규소로 이루어진 군에서 선택되는 재료로 형성되는 것을 특징으로 하는 반도체장치.
- 제 43 항, 제 47 항, 제 51 항, 제 55 항 중 어느 한 항에 있어서, 상기 절연막이, 산화규소, 질화규소, 및 산화질화규소로 이루어진 군에서 선택되는 재료로 형성되는 것을 특징으로 하는 반도체장치 제작방법.
- 제 1 항, 제 11 항, 제 21 항, 제 32 항 중 어느 한 항에 따른 반도체장치를 포함하는 것을 특징으로 하는 디지털 카메라.
- 제 1 항, 제 11 항, 제 21 항, 제 32 항 중 어느 한 항에 따른 반도체장치를 포함하는 것을 특징으로 하는 비디오 카메라.
- 제 1 항, 제 11 항, 제 21 항, 제 32 항 중 어느 한 항에 따른 반도체장치를 포함하는 것을 특징으로 하는 고글형 표시장치.
- 제 1 항, 제 11 항, 제 21 항, 제 32 항 중 어느 한 항에 따른 반도체장치를 포함하는 것을 특징으로 하는 음향 재생 장치.
- 제 1 항, 제 11 항, 제 21 항, 제 32 항 중 어느 한 항에 따른 반도체장치를 포함하는 것을 특징으로 하는 노트북형 퍼스널 컴퓨터.
- 제 1 항, 제 11 항, 제 21 항, 제 32 항 중 어느 한 항에 따른 반도체장치를 포함하는 것을 특징으로 하는 휴대형 정보 단말기.
- 제 1 항, 제 11 항, 제 21 항, 제 32 항 중 어느 한 항에 따른 반도체장치를 포함하는 것을 특징으로 하는 DVD 플레이어.
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CN1332476A (zh) | 2002-01-23 |
US7514302B2 (en) | 2009-04-07 |
EP1168435A3 (en) | 2009-09-16 |
US7163848B2 (en) | 2007-01-16 |
CN100431149C (zh) | 2008-11-05 |
TW504846B (en) | 2002-10-01 |
KR20020001645A (ko) | 2002-01-09 |
US20070102713A1 (en) | 2007-05-10 |
US20020005905A1 (en) | 2002-01-17 |
EP1168435A2 (en) | 2002-01-02 |
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