KR100654927B1 - 반도체 장치 및 그의 제작방법 - Google Patents
반도체 장치 및 그의 제작방법 Download PDFInfo
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- KR100654927B1 KR100654927B1 KR1020000009981A KR20000009981A KR100654927B1 KR 100654927 B1 KR100654927 B1 KR 100654927B1 KR 1020000009981 A KR1020000009981 A KR 1020000009981A KR 20000009981 A KR20000009981 A KR 20000009981A KR 100654927 B1 KR100654927 B1 KR 100654927B1
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- concentration impurity
- driver circuit
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13454—Drivers integrated on the active matrix substrate
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/1259—Multistep manufacturing methods
- H01L27/127—Multistep manufacturing methods with a particular formation, treatment or patterning of the active layer specially adapted to the circuit arrangement
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- H—ELECTRICITY
- 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
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/66742—Thin film unipolar transistors
- H01L29/6675—Amorphous silicon or polysilicon transistors
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- H—ELECTRICITY
- 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
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/66742—Thin film unipolar transistors
- H01L29/66772—Monocristalline silicon transistors on insulating substrates, e.g. quartz substrates
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- H—ELECTRICITY
- 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
- H01L29/66—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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- H—ELECTRICITY
- 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
- H01L29/66—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
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Abstract
Description
상기 구성에서, 상기 반도체장치는 상기 드라이버 회로의 n채널형 TFT의 저농도 불순물 영역의 채널 길이 방향으로의 폭이 상기 화소부의 n채널형 TFT의 저농도 불순물 영역의 채널 길이 방향으로의 폭과 상이한 것을 특징으로 한다.
도 18(C)는 본체(3101), 지지대(3102), 표시장치(3103) 등으로 구성된 디스플레이 장치를 나타낸다. 본 발명은 표시장치(3103)에 적용될 수 있다. 본 발명에 따른 디스플레이 장치는 디스플레이 장치가 특히 대형인 경우와 디스플레이 장치가 대각으로 10인치 이상(특히 30인치 이상)인 경우에 유리하다.
Claims (22)
- 동일 기판상에 형성된 드라이버 회로와 화소부;1쌍의 고농도 불순물 영역, 그 1쌍의 고농도 불순물 영역 사이에 제공된 채널 형성 영역, 및 그 채널 형성 영역과 상기 고농도 불순물 영역들 중 적어도 하나와의 사이에 제공되고, 주기율표 15족 원소를 함유하는 적어도 하나의 저농도 불순물 영역을 포함하고, 상기 기판 위에서 상기 드라이버 회로에 제공된 n채널형 TFT; 및1쌍의 고농도 불순물 영역, 그 1쌍의 고농도 불순물 영역 사이에 제공된 채널 형성 영역, 및 그 채널 형성 영역과 상기 고농도 불순물 영역들 중 적어도 하나와의 사이에 제공되고, 주기율표 15족 원소를 함유하는 적어도 하나의 저농도 불순물 영역을 포함하고, 상기 기판 위에서 상기 화소부에 제공된 n채널형 TFT를 포함하고;상기 드라이버 회로의 상기 TFT의 상기 저농도 불순물 영역에 함유된 상기 15족 원소의 농도가 상기 화소부의 상기 TFT의 상기 저농도 불순물 영역에 함유된 상기 15족 원소의 농도에 비하여 더 높은 것을 특징으로 하는 반도체장치.
- 동일 기판상에 형성된 드라이버 회로와 화소부;주기율표 15족 원소를 함유하는 1쌍의 고농도 불순물 영역, 그 1쌍의 고농도 불순물 영역 사이에 제공된 채널 형성 영역, 및 그 채널 형성 영역과 상기 고농도 불순물 영역들 중 적어도 하나와의 사이에 제공된 적어도 하나의 저농도 불순물 영역을 포함하고, 상기 기판 위에서 상기 드라이버 회로에 제공된 n채널형 TFT; 및주기율표 15족 원소를 함유하는 1쌍의 고농도 불순물 영역, 그 1쌍의 고농도 불순물 영역 사이에 제공된 채널 형성 영역, 및 그 채널 형성 영역과 상기 고농도 불순물 영역들 중 적어도 하나와의 사이에 제공된 적어도 하나의 저농도 불순물 영역을 포함하고, 상기 기판 위에서 상기 화소부에 제공된 n채널형 TFT를 포함하고;상기 드라이버 회로의 상기 TFT의 상기 고농도 불순물 영역에 함유된 상기 15족 원소의 농도가 상기 화소부의 상기 TFT의 상기 고농도 불순물 영역에 함유된 상기 15족 원소의 농도에 비하여 더 높은 것을 특징으로 하는 반도체장치.
- 동일 기판상에 형성된 드라이버 회로와 화소부;채널 형성 영역, 그 채널 형성 영역에 접하여 형성된 게이트 절연막, 그 게이트 절연막에 접하여 형성된 게이트 전극, 상기 채널 형성 영역을 사이에 두고 있는 1쌍의 저농도 불순물 영역, 및 그 저농도 불순물 영역들 중 대응하는 한 영역에 접하여 형성되고 주기율표 15족 원소를 함유하는 적어도 하나의 고농도 불순물 영역을 포함하고, 상기 기판 위에서 상기 드라이버 회로에 제공된 n채널형 TFT; 및채널 형성 영역, 그 채널 형성 영역에 접하여 형성된 게이트 절연막, 그 게이트 절연막에 접하여 형성된 게이트 전극, 상기 채널 형성 영역을 사이에 두고 있는 1쌍의 저농도 불순물 영역, 및 그 저농도 불순물 영역들 중 대응하는 한 영역에 접하여 형성되고 주기율표 15족 원소를 함유하는 적어도 하나의 고농도 불순물 영역을 포함하고, 상기 기판 위에서 상기 화소부에 제공된 n채널형 TFT를 포함하고;상기 드라이버 회로의 상기 n채널형 TFT의 상기 저농도 불순물 영역들 중 적어도 하나가 상기 드라이버 회로의 상기 n채널형 TFT의 상기 게이트 절연막을 사이에 두고 상기 드라이버 회로의 상기 n채널형 TFT의 상기 게이트 전극과 중첩되어 있고,상기 드라이버 회로의 상기 TFT의 상기 고농도 불순물 영역에 함유된 상기 15족 원소의 농도가 상기 화소부의 상기 TFT의 상기 고농도 불순물 영역에 함유된 상기 15족 원소의 농도에 비하여 더 높은 것을 특징으로 하는 반도체장치.
- 제 1 항 내지 제 3 항 중 어느 한 항에 있어서, 상기 드라이버 회로의 상기 n채널형 TFT의 상기 저농도 불순물 영역의 채널 길이 방향으로의 폭이 상기 화소부의 상기 n채널형 TFT의 상기 저농도 불순물 영역의 채널 길이 방향으로의 폭과 상이한 것을 특징으로 하는 반도체장치.
- 제 1 항 내지 제 3 항 중 어느 한 항에 있어서, 상기 화소부의 상기 n채널형 TFT에 대해, 상기 기판 위에 차폐층이 제공되고, 그 차폐층에 접하여 절연막이 제공되고, 그 절연막에 접하여 상기 화소부의 상기 n채널형 TFT의 상기 채널 형성 영역이 제공되고, 그 채널 형성 영역에 접하여 게이트 절연막이 제공되고, 그 게이트 절연막에 접하여 게이트 전극이 제공되어 있는 것을 특징으로 하는 반도체장치.
- 제 5 항에 있어서, 상기 차폐층이 상기 절연막을 사이에 두고 상기 화소부의 상기 n채널형 영역의 상기 채널 형성영역 및 상기 저농도 불순물 영역과 중첩되어 있는 것을 특징으로 하는 반도체장치.
- 제 5 항에 있어서, 상기 화소부의 상기 n채널형 TFT의 상기 차폐층의 채널 방향으로의 폭이 상기 화소부의 상기 n채널형 TFT의 상기 게이트 전극의 채널 방향으로의 폭보다 넓은 것을 특징으로 하는 반도체장치.
- 제 1 항 내지 제 3 항 중 어느 한 항에 따른 반도체장치를 구비한 전자 기기로서, 그 전자 기기가, 비디오 카메라, 디지털 카메라, 프로젝터, 헤드 장착형 표시장치, 내비게이션 시스템, 퍼스널 컴퓨터, 휴대형 정보 단말기, 모바일 컴퓨터, 휴대 전화기, 및 전자 책으로 이루어진 군으로부터 선택되는 전자 기기인 것을 특징으로 하는 전자 기기.
- 동일 기판상에 형성된 드라이버 회로와 화소부를 포함하는 반도체장치를 제작하는 방법으로서,상기 기판 위에 차폐층을 형성하는 공정;상기 차폐층과 상기 기판을 덮는 절연막을 형성하는 공정;상기 절연막 위에 반도체층을 형성하는 공정;상기 반도체층을 결정화시키는 공정;결정화된 반도체층을 패터닝하여 상기 드라이버 회로의 활성층과 상기 화소부의 활성층을 형성하는 공정;상기 활성층들 위에 게이트 절연막을 형성하는 공정;제1 마스크를 사용하여 상기 드라이버 회로의 상기 활성층에 주기율표 15족 원소를 선택적으로 도핑하는 공정;상기 게이트 절연막 위에 배선을 형성하는 공정;상기 배선을 마스크로 사용하여 상기 드라이버 회로의 상기 활성층 및 상기 화소부의 상기 활성층에 주기율표 15족 원소를 선택적으로 도핑하는 공정; 및제2 마스크를 사용하여 상기 드라이버 회로의 상기 활성층 및 상기 화소부의 상기 활성층에 주기율표 15족 원소를 선택적으로 도핑하는 공정을 포함하는 것을 특징으로 하는 반도체장치 제작방법.
- 제 9 항에 있어서, 상기 7번째 공정에서 도핑된 상기 주기율표 15족 원소의 농도가 상기 9번째 공정에서 도핑된 상기 주기율표 15족 원소의 농도보다 높고, 상기 10번째 공정에서 도핑된 상기 주기율표 15족 원소의 농도보다는 낮은 것을 특징으로 반도체장치 제작방법.
- 동일 기판상에 형성된 드라이버 회로와 화소부를 포함하는 반도체장치를 제작하는 방법으로서,상기 기판 위에 차폐층을 형성하는 공정;상기 차폐층과 상기 기판을 덮는 절연막을 형성하는 공정;상기 절연막 위에 반도체층을 형성하는 공정;상기 반도체층을 결정화시키는 공정;결정화된 반도체층을 패터닝하여 상기 드라이버 회로의 활성층과 상기 화소부의 활성층을 형성하는 공정;상기 활성층들 위에 게이트 절연막을 형성하는 공정;제1 마스크를 사용하여 상기 드라이버 회로의 상기 활성층에 주기율표 15족 원소를 선택적으로 도핑하는 공정;상기 활성층에 도핑된 주기율표 15족 원소를 활성화시키는 제1 처리를 행하는 공정;상기 게이트 절연막 위에 배선을 형성하는 공정;상기 배선을 마스크로 사용하여 상기 드라이버 회로의 상기 활성층 및 상기 화소부의 상기 활성층에 주기율표 15족 원소를 선택적으로 도핑하는 공정;제2 마스크를 사용하여 상기 드라이버 회로의 상기 활성층 및 상기 화소부의 상기 활성층에 주기율표 15족 원소를 선택적으로 도핑하는 공정; 및상기 활성층들에 도핑된 주기율표 15족 원소를 활성화시키는 제2 처리를 행하는 공정을 포함하는 것을 특징으로 하는 반도체장치 제작방법.
- 제 9 항 또는 제 11 항에 있어서, 상기 차폐층이 상기 화소부가 되는 영역에만 형성되는 것을 특징으로 하는 반도체장치 제작방법.
- 제 9 항 또는 제 11 항에 있어서, 상기 제2 마스크가 후면 노광에 의해 형성되는 것을 특징으로 하는 반도체장치 제작방법.
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- 2000-02-29 KR KR1020000009981A patent/KR100654927B1/ko active IP Right Grant
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EP1033755A2 (en) | 2000-09-06 |
US6674136B1 (en) | 2004-01-06 |
KR20000076747A (ko) | 2000-12-26 |
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