KR20000076747A - 반도체 장치 및 그의 제작방법 - Google Patents
반도체 장치 및 그의 제작방법 Download PDFInfo
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- KR20000076747A KR20000076747A KR1020000009981A KR20000009981A KR20000076747A KR 20000076747 A KR20000076747 A KR 20000076747A KR 1020000009981 A KR1020000009981 A KR 1020000009981A KR 20000009981 A KR20000009981 A KR 20000009981A KR 20000076747 A KR20000076747 A KR 20000076747A
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Classifications
-
- 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
-
- 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
-
- 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
-
- 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
- H01L29/66757—Lateral single gate single channel transistors with non-inverted structure, i.e. the channel layer is formed before the gate
-
- 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
-
- 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
-
- 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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Abstract
Description
Claims (22)
- 동일 기판상에 형성된 구동기 회로 및 화소부를 포함하는 반도체 장치로서,한 쌍의 고농도 불순물 영역, 한 쌍의 고농도 불순물 영역 사이에 제공된 채널 형성 영역, 및 그 채널 형성 영역과 상기 고농도 불순물 영역의 적어도 한 영역 사이에 제공되고, 주기율표의 15족 원소를 함유하고 있는 저농도 불순물 영역을 포함하는, 상기 기판 위의 상기 구동기 회로에 제공된 n-채널 TFT;한 쌍의 고농도 불순물 영역, 그 한 쌍의 고농도 불순물 영역 사이에 제공된 채널 형성 영역, 및 상기 채널 형성 영역과 상기 고농도 불순물 영역의 적어도 한 영역 사이에 제공되고, 주기율표의 15족 원소를 함유하고 있는 저농도 불순물 영역을 포함하는, 상기 기판 위의 상기 화소부에 제공된 n-채널 TFT를 포함하며,상기 화소부의 상기 TFT의 상기 저농도 불순물 영역에 함유된 상기 15족 원소의 농도와 비교하여 상기 구동기 회로의 상기 TFT의 상기 저농도 불순물 영역에 함유된 상기 15족 원소의 농도가 더 높은 것을 특징으로 하는 반도체 장치.
- 동일 기판상에 형성된 구동기 회로 및 화소부를 포함하는 반도체 장치로서,주기율표의 15족 원소를 함유하고 있는 한 쌍의 고농도 불순물 영역, 그 한 쌍의 고농도 불순물 영역 사이에 제공된 채널 형성 영역, 및 상기 채널 형성 영역과 상기 고농도 불순물 영역의 적어도 한 영역 사이에 제공된 저 농도 불순물 영역을 포함하는, 상기 기판 위의 상기 구동기 회로에 제공된 n-채널 TFT;주기율표의 15족 원소를 함유하고 있는 한 쌍의 고농도 불순물 영역, 그 고농도 불순물 영역 사이에 제공된 채널 형성 영역, 및 상기 채널 형성 영역과 상기 고농도 불순물 영역의 적어도 한 영역 사이에 제공된 저농도 불순물 영역을 포함하는, 상기 기판 위의 상기 화소부에 제공된 n-채널 TFT를 포함하며,상기 화소부의 상기 TFT의 상기 고농도 불순물 영역에 함유된 상기 15족 원소의 농도와 비교하여 상기 구동기 회로의 상기 TFT의 상기 고농도 불순물 영역에 함유된 상기 15족 원소의 농도가 더 높은 것을 특징으로 하는 반도체 장치.
- 동일 기판상에 형성된 구동기 회로 및 화소부를 포함하는 반도체 장치로서,채널 형성 영역, 상기 채널 형성 영역과 접하여 형성된 게이트 절연막, 및 상기 게이트 절연막과 접하여 형성된 게이트 전극, 상기 채널 형성 영역을 사이에 도고 있는 한 쌍의 저농도 불순물 영역, 및 상기 저농도 불순물 영역들 중 대응하는 한 영역에 접하여 형성된 고농도 불순물 영역을 포함하는, 기판 위의 상기 구동기 회로에 제공된 n-채널 TFT; 및채널 형성 영역, 상기 채널 형성 영역과 접하여 형성된 게이트 절연막, 상기 게이트 절연막과 접하여 형성된 게이트 전극, 상기 채널 형성 영역을 사이에 두고 있는 한 쌍의 저농도 불순물 영역, 및 상기 저농도 불순물 영역들중 대응하는 한 영역에 접하여 형성된 고농도 불순물 영역을 포함하며,상기 구동기 회로의 상기 n-채널 TFT의 상기 저농도 불순물 영역중 적어도 한 영역이 상기 구동기 회로의 상기 n-채널 TFT의 상기 게이트 절연막을 통해 상기 구동기 회로의 상기 n-채널 TFT의 상기 게이트 전극과 중첩되는 것을 특징으로 하는 반도체 장치.
- 제 1 항에 있어서, 상기 구동기 회로의 상기 n-채널 TFT의 상기 저농도 불순물 영역의 채널 길이 방향으로의 폭이 상기 화소부의 상기 n-채널 TFT의 상기 저농도 불순물 영역의 채널 길이 방향으로의 폭과 상이한 것을 특징으로 하는 반도체 장치.
- 제 2 항에 있어서, 상기 구동기 회로의 상기 n-채널 TFT의 상기 저농도 불순물 영역의 채널 길이 방향으로의 폭이 상기 화소부의 상기 n-채널 TFT의 상기 저농도 불순물 영역의 채널 길이 방향으로의 폭과 상이한 것을 특징으로 하는 반도체 장치.
- 제 3 항에 있어서, 상기 구동기 회로의 상기 n-채널 TFT의 상기 저농도 불순물 영역의 채널 길이 방향으로의 폭이 상기 화소부의 상기 n-채널 TFT의 상기 저농도 불순물 영역의 채널 길이 방향으로의 폭과 상이한 것을 특징으로 하는 반도체 장치.
- 제 1 항에 있어서, 상기 화소부의 상기 n-채널 TFT에 대해, 상기 기판 위에 차폐층이 제공되고, 상기 차폐층과 접하여 절연막이 제공되고, 상기 절연막과 접하여 상기 화소부의 상기 n-채널 TFT의 상기 채널 형성 영역이 제공되고, 상기 채널 형성 영역과 접하여 게이트 절연막이 제공되고, 상기 게이트 절연막과 접하여 게이트 전극이 제공되는 것을 특징으로 하는 반도체 장치.
- 제 2 항에 있어서, 상기 화소부의 상기 n-채널 TFT에 대해, 상기 기판 위에 차폐층이 제공되고, 상기 차폐층과 접하여 절연막이 제공되고, 상기 절연막과 접하여 상기 화소부의 상기 n-채널 TFT의 상기 채널 형성 영역이 제공되고, 상기 채널 형성 영역과 접하여 게이트 절연막이 제공되고, 상기 게이트 절연막과 접하여 게이트 전극이 제공되는 것을 특징으로 하는 반도체 장치.
- 제 3 항에 있어서, 상기 화소부의 상기 n-채널 TFT에 대해, 상기 기판위로 차폐층이 제공되고, 상기 차폐층과 접하여 절연막이 제공되고, 상기 절연막과 접하여 상기 화소부의 상기 n-채널 TFT의 상기 채널 형성 영역이 제공되는 것을 특징으로 하는 반도체 장치.
- 제 7 항에 있어서, 상기 차폐층이 상기 절연막을 통해 상기 화소부의 상기 n-채널 영역의 상기 채널 형성영역 및 상기 저농도 불순물 영역과 중첩되는 것을 특징으로 하는 반도체 장치.
- 제 8 항에 있어서, 상기 차폐층이 상기 절연막을 통해 상기 화소부의 상기 n-채널 TFT의 상기 채널 형성 영역 및 상기 저농도 불순물 영역이 중첩되는 것을 특징으로 하는 반도체 장치.
- 제 9 항에 있어서, 상기 차폐층이 상기 절연막을 통해 상기 화소부의 상기 n-채널 TFT의 상기 채널 형성 영역 및 상기 저농도 불순물 영역과 중첩되는 것을 특징으로 하는 반도체 장치.
- 제 7 항에 있어서, 상기 화소부의 상기 n-채널 TFT의 상기 차폐층의 채널 방향으로의 폭이 상기 화소부의 상기 n-채널 TFT의 상기 게이트 전극의 채널 방향으로의 폭보다 넓은 것을 특징으로 하는 반도체 장치.
- 제 8 항에 있어서, 상기 화소부의 상기 n-채널 TFT의 상기 차폐층의 채널 방향으로의 폭이 상기 화소부의 상기 n-채널 TFT의 상기 게이트 전극의 채널 방향으로의 폭보다 넓은 것을 특징으로 하는 반도체 장치.
- 제 9 항에 있어서, 상기 화소부의 상기 n-채널 TFT의 상기 차폐층의 채널 방향으로의 폭이 상기 화소부의 상기 n-채널 TFT의 상기 게이트 전극의 채널 방향으로의 폭보다 넓은 것을 특징으로 하는 반도체 장치.
- 동일 기판상에 형성된 구동기 회로 및 화소부를 포함하는 반도체 장치를 제작하는 방법으로서,상기 기판 위에 차폐층을 형성하는 제 1 단계;상기 차폐층과 상기 기판을 덮는 절연막을 형성하는 제 2 단계;상기 절연막 위에 반도체층을 형성하는 제 3 단계;상기 반도체층을 결정화시키는 제 4 단계;상기 결정화된 반도체층을 패터닝하여 상기 구동기 회로의 활성층과 상기 화소부의 활성층을 형성하는 제 5 단계;상기 활성층 위에 게이트 절연막을 형성하는 제 6 단계;제 1 마스크를 사용하여 상기 구동기 회로의 상기 활성층에 주기율표의 15족 원소를 선택적으로 도핑하는 제 7 단계;상기 게이트 절연막 위에 배선을 형성하는 제 8 단계;상기 배선을 마스크로 사용하여 상기 구동기 회로 및 상기 화소부의 상기 활성층에 주기율표의 15족 원소를 선택적으로 도핑하는 제 9 단계; 및제 2 마스크를 사용하여 상기 구동기 회로 및 상기 화소부의 상기 활성층에 주기율표의 15족 원소를 선택적으로 도핑하는 제 10 단계를 포함하는 것을 특징으로 하는 반도체 장치 제작방법.
- 제 16 항에 있어서, 상기 제 7 단계에서 도핑된 주기율표의 상기 15족 원소가 상기 제 9 단계에서 도핑된 주기율표의 상기 15족 원소의 농도보다 높고, 상기 제 10 단계에서 도핑된 주기율표의 상기 15족 원소의 농도보다는 낮은 것을 특징으로 반도체 장치 제작방법.
- 동일 기판상에 형성된 구동기 회로 및 화소부를 포함하는 반도체 장치를 제작하는 방법으로서,상기 기판 위에 차폐층을 형성하는 제 1 단계;상기 차폐층과 상기 기판을 덮는 절연막을 형성하는 제 2 단계;상기 절연막 위에 반도체층을 형성하는 제 3 단계;상기 반도체층을 결정화시키는 제 4 단계;상기 결정화된 반도체층을 패터닝하여 상기 구동기 회로의 활성층과 상기 화소부의 활성층을 형성하는 제 5 단계;상기 활성층 위에 게이트 절연막을 형성하는 제 6 단계;제 1 마스크를 사용하여 상기 구동기 회로의 상기 활성층에 주기율표의 상기 15족 원소를 선택적으로 도핑하는 제 7 단계;상기 활성층에 도핑된 주기율표의 상기 15족 원소를 활성화시키는 제 1 공정을 행하는 제 8 단계;상기 게이트 절연막 위에 배선을 형성하는 제 9 단계;상기 배선을 마스크로 사용하여 상기 구동기 회로 및 상기 화소부의 상기 활성층에 주기율표의 상기 15족 원소를 선택적으로 도핑하는 제 10 단계;제 2 마스크를 사용하여 상기 구동기 회로 및 상기 화소부의 상기 활성층에 주기율표의 상기 15족 원소를 선택적으로 도핑하는 제 11 단계; 및상기 활성층에 도핑된 주기율표의 상기 15족 원소를 활성화시키는 제 2 공정을 행하는 제 12 단계를 포함하는 것을 특징으로 하는 반도체 장치 제작방법.
- 제 16 항에 있어서, 상기 차폐층이 상기 화소부가 되는 영역에만 형성되는 것을 특징으로 하는 반도체 장치 제작방법.
- 제 18 항에 있어서, 상기 차폐층이 상기 화소부가 되는 영역에만 형성되는 것을 특징으로 하는 반도체 장치 제작방법.
- 제 16 항에 있어서, 상기 제 2 마스크가 백 사이드 노광에 의해 형성되는 것을 특징으로 하는 반도체 장치 제작방법.
- 제 18 항에 있어서, 상기 제 2 마스크가 백 사이드 노광에 의해 형성되는 것을 특징으로 하는 반도체 장치 제작방법.
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