KR100349913B1 - 다결정실리콘 박막트랜지스터 제조방법 - Google Patents
다결정실리콘 박막트랜지스터 제조방법 Download PDFInfo
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- KR100349913B1 KR100349913B1 KR1020000022429A KR20000022429A KR100349913B1 KR 100349913 B1 KR100349913 B1 KR 100349913B1 KR 1020000022429 A KR1020000022429 A KR 1020000022429A KR 20000022429 A KR20000022429 A KR 20000022429A KR 100349913 B1 KR100349913 B1 KR 100349913B1
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
- H10D86/01—Manufacture or treatment
- H10D86/021—Manufacture or treatment of multiple TFTs
- H10D86/0231—Manufacture or treatment of multiple TFTs using masks, e.g. half-tone masks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02656—Special treatments
- H01L21/02664—Aftertreatments
- H01L21/02667—Crystallisation or recrystallisation of non-monocrystalline semiconductor materials, e.g. regrowth
- H01L21/02675—Crystallisation or recrystallisation of non-monocrystalline semiconductor materials, e.g. regrowth using laser beams
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/01—Manufacture or treatment
- H10D30/021—Manufacture or treatment of FETs having insulated gates [IGFET]
- H10D30/031—Manufacture or treatment of FETs having insulated gates [IGFET] of thin-film transistors [TFT]
- H10D30/0312—Manufacture or treatment of FETs having insulated gates [IGFET] of thin-film transistors [TFT] characterised by the gate electrodes
- H10D30/0314—Manufacture or treatment of FETs having insulated gates [IGFET] of thin-film transistors [TFT] characterised by the gate electrodes of lateral top-gate TFTs comprising only a single gate
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/67—Thin-film transistors [TFT]
- H10D30/6704—Thin-film transistors [TFT] having supplementary regions or layers in the thin films or in the insulated bulk substrates for controlling properties of the device
- H10D30/6713—Thin-film transistors [TFT] having supplementary regions or layers in the thin films or in the insulated bulk substrates for controlling properties of the device characterised by the properties of the source or drain regions, e.g. compositions or sectional shapes
- H10D30/6715—Thin-film transistors [TFT] having supplementary regions or layers in the thin films or in the insulated bulk substrates for controlling properties of the device characterised by the properties of the source or drain regions, e.g. compositions or sectional shapes characterised by the doping profiles, e.g. having lightly-doped source or drain extensions
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/67—Thin-film transistors [TFT]
- H10D30/6729—Thin-film transistors [TFT] characterised by the electrodes
- H10D30/673—Thin-film transistors [TFT] characterised by the electrodes characterised by the shapes, relative sizes or dispositions of the gate electrodes
- H10D30/6731—Top-gate only TFTs
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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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/1368—Active matrix addressed cells in which the switching element is a three-electrode device
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Thin Film Transistor (AREA)
Abstract
Description
Claims (5)
- 기판 상에 선택적으로 버퍼층을 증착 형성하고, 상기 버퍼층 상에 이온 도핑된 비정질실리콘층을 적층 형성한 후 패터닝하여 소정영역에 콘택영역을 정의하는 제1 단계와;상기 제1 단계의 결과물 상에 비정질실리콘층을 적층 형성하고, 상기 콘택영역을 포함하여 상기 콘택영역 사이에 활성영역을 정의할 수 있도록 패터닝하는 제2 단계와;상기 제2 단계의 결과물 상에 레이저를 조사하여 상부에 전도층을 형성시킬 수 있도록 다결정실리콘으로 활성화시키는 제3 단계와;상기 제3 단계의 결과물 상에 절연층을 적층 형성하고 상기 콘택영역에 콘택홀을 형성하는 제4 단계와;상기 제4 단계의 결과물 상에 금속층을 적층 형성하고 패터닝하여 소스전극, 드레인전극, 및 게이트전극을 형성시키는 제5 단계와;상기 제5 단계의 결과물 상에 보호층을 증착 형성하고 상기 드레인전극과 연결되는 콘택홀을 형성하여 화소전극 및 부수적인 배선영역을 형성하는 제6 단계;를 포함하여 이루어진 것을 특징으로 하는 다결정실리콘 박막트랜지스터 제조방법.
- 제 1 항에 있어서, 상기 제1 단계에서 비정질실리콘층은 n+ 및 p+ 비정질실리콘에서 선택된 어느 하나를 사용하는 것을 특징으로 하는 다결정실리콘 박막트랜지스터 제조방법.
- 제 1 항 또는 제 2 항에 있어서, 상기 제5 단계의 결과물 상에 게이트전극을 마스크로 하여 이온을 도핑시키되, 상기 제1 단계에서 n+ 비정질실리콘을 사용한 경우에는 n- 이온을 도핑시키고, p+ 비정질실리콘을 사용한 경우에는 p- 이온을 도핑시켜 상기 활성영역의 양단 소정부위에 LDD 영역을 형성하는 단계를 더 포함하여 이루어진 것을 특징으로 하는 다결정실리콘 박막트랜지스터 제조방법.
- 제 1 항 또는 제 2 항에 있어서, 상기 제5 단계의 결과물 상에 게이트전극을 마스크로 하여 이온을 도핑시키되, 상기 제1 단계에서 n+ 비정질실리콘을 사용한 경우에는 n+ 이온을 도핑시키고, p+ 비정질실리콘을 사용한 경우에는 p+ 이온을 도핑시켜 상기 활성영역의 양단 소정부위에 LDD 영역을 형성시키지 않는 단계를 더 포함하여 이루어진 것을 특징으로 하는 다결정실리콘 박막트랜지스터 제조방법.
- 제 1 항에 있어서, 상기 제5 단계에서 게이트전극의 폭은 활성영역의 폭보다 작게 패터닝되는 것을 특징으로 하는 다결정실리콘 박막트랜지스터 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020000022429A KR100349913B1 (ko) | 2000-04-27 | 2000-04-27 | 다결정실리콘 박막트랜지스터 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020000022429A KR100349913B1 (ko) | 2000-04-27 | 2000-04-27 | 다결정실리콘 박막트랜지스터 제조방법 |
Publications (2)
Publication Number | Publication Date |
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KR20010097926A KR20010097926A (ko) | 2001-11-08 |
KR100349913B1 true KR100349913B1 (ko) | 2002-08-23 |
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KR1020000022429A Expired - Fee Related KR100349913B1 (ko) | 2000-04-27 | 2000-04-27 | 다결정실리콘 박막트랜지스터 제조방법 |
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KR (1) | KR100349913B1 (ko) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100966420B1 (ko) * | 2003-06-30 | 2010-06-28 | 엘지디스플레이 주식회사 | 폴리실리콘 액정표시소자 및 그 제조방법 |
KR100788993B1 (ko) * | 2005-12-23 | 2007-12-28 | 전자부품연구원 | 다결정 실리콘 박막 트랜지스터의 제조 방법 |
KR100742383B1 (ko) * | 2006-07-05 | 2007-07-24 | 삼성에스디아이 주식회사 | 박막 트랜지스터 및 그 제조방법 |
CN111223877A (zh) * | 2019-11-28 | 2020-06-02 | 云谷(固安)科技有限公司 | 阵列基板、阵列基板的制作方法和显示面板 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06260498A (ja) * | 1991-03-25 | 1994-09-16 | Fuji Xerox Co Ltd | 薄膜トランジスタ及びその製造方法 |
JPH06267989A (ja) * | 1993-03-12 | 1994-09-22 | Semiconductor Energy Lab Co Ltd | 薄膜トランジスタの作製方法 |
JPH06275650A (ja) * | 1993-03-19 | 1994-09-30 | Sony Corp | 電界効果トランジスタの製造方法 |
JPH08148425A (ja) * | 1994-11-22 | 1996-06-07 | Sharp Corp | 半導体装置およびその製造方法 |
-
2000
- 2000-04-27 KR KR1020000022429A patent/KR100349913B1/ko not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06260498A (ja) * | 1991-03-25 | 1994-09-16 | Fuji Xerox Co Ltd | 薄膜トランジスタ及びその製造方法 |
JPH06267989A (ja) * | 1993-03-12 | 1994-09-22 | Semiconductor Energy Lab Co Ltd | 薄膜トランジスタの作製方法 |
JPH06275650A (ja) * | 1993-03-19 | 1994-09-30 | Sony Corp | 電界効果トランジスタの製造方法 |
JPH08148425A (ja) * | 1994-11-22 | 1996-06-07 | Sharp Corp | 半導体装置およびその製造方法 |
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KR20010097926A (ko) | 2001-11-08 |
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