KR900000066B1 - 박막트랜지스터 및 그 제조방법 - Google Patents
박막트랜지스터 및 그 제조방법 Download PDFInfo
- Publication number
- KR900000066B1 KR900000066B1 KR1019860008313A KR860008313A KR900000066B1 KR 900000066 B1 KR900000066 B1 KR 900000066B1 KR 1019860008313 A KR1019860008313 A KR 1019860008313A KR 860008313 A KR860008313 A KR 860008313A KR 900000066 B1 KR900000066 B1 KR 900000066B1
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- South Korea
- Prior art keywords
- electrode
- semiconductor layer
- film transistor
- thin film
- forming
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- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/04—Contact lenses for the eyes
-
- 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]
- H10D30/0321—Manufacture or treatment of FETs having insulated gates [IGFET] of thin-film transistors [TFT] comprising silicon, e.g. amorphous silicon or polysilicon
-
- 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
-
- 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
-
- 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
- H10D30/6737—Thin-film transistors [TFT] characterised by the electrodes characterised by the electrode materials
-
- 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]
- H10D30/674—Thin-film transistors [TFT] characterised by the active materials
- H10D30/6741—Group IV materials, e.g. germanium or silicon carbide
- H10D30/6743—Silicon
-
- 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]
- H10D30/674—Thin-film transistors [TFT] characterised by the active materials
- H10D30/6741—Group IV materials, e.g. germanium or silicon carbide
- H10D30/6743—Silicon
- H10D30/6746—Amorphous silicon
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D99/00—Subject matter not provided for in other groups of this subclass
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- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Thin Film Transistor (AREA)
- Bipolar Transistors (AREA)
- Liquid Deposition Of Substances Of Which Semiconductor Devices Are Composed (AREA)
Abstract
Description
Claims (12)
- 기판(11)상에 서로 분리되어서 형성된 소오스전극(19a) 및 드레인전극(15a)과, 이들 소오스전극(19a) 및 드레인전극(15a)간에 걸쳐서 상기 기판(11)상에 형성된 반도체층(21)과, 그 반도체층(21)상에 형성된 게이트절연막(22)과, 그 게이트절연막(22)상에 형성된 게이트전극(23)과, 상기 반도체층(21)과 상기 소오스전극(19a) 및 드레인전극(15a)과의 사이에 그 전역에 걸쳐서 각각 형성된 저항접촉층(33)(34)으로 이루어진 박막트랜지스터.
- 제1항에 있어서, 상기 저항접촉층(33)(34)은 상기 기판(11)의 판면과 대략 수직인, 상기 소오스전극(19a) 및 드레인전극(15a)의 대항쪽면과, 상기 게이트절연막(22)쪽의 상기 기판(11)의 판면과 대략 평행인 면에 각각 걸쳐서 연속하여 형성되어 있는 박막트랜지스터.
- 제1항에 있어서, 상기 소오스전극(19a) 및 드레인전극(15a)의 대향쪽면에는 테이퍼(36)(37)이 형성되고, 이들 테이퍼면(36)(37)면의 전체면에 걸쳐 상기 저항접촉층(33)(34)이 형성되어 있는 박막트랜지스터.
- 제1항, 제2항 또는 제3항에 있어서, 상기 소오스전극(19a) 및 드레인전극(15a)은 각각 인, 비소, 안티몬, 비스무트등의 5족 또는 붕소, 알루미늄, 가륨등의 3족의 원소를 함유하는 투명전극이고, 상기 저항접촉층(33)(34)은 상기 5족 또는 3족의 원소를 함유하는 n+또는 p+반도체층인 박막트랜지스터.
- 제4항에 있어서, 상기 반도체층은 아물퍼스실리콘인 박막트랜지스터.
- 제4항에 있어서, 상기 기판은 투명기판인 박막트랜지스터.
- 기판(11)상에 투명전극층(31)을 형성하는 제1공정과, 그 투명전극층(31)에 대하여 패턴에칭을 시행하여 소오스전극(19a)과 드레인전극(15a)을 분리형성하는 제2공정과, 그 소오스전극(19a) 및 드레인전극(15a)의 표면에 인, 비소, 안티몬, 비스무트등의 5족원소 또는 붕소, 알루미늄, 가륨등의 3족원소를 함유시켜서 원소함유층(32)을 형성하는 제3공정과, 그후 상기 소오스전극(19a) 및 드레인전극(15a)간에 걸쳐서 반도체층(21)을 형성함과 동시에 그 반도체층의 형성에 의해, 그 반도체층(21)과 상기 소오스전극(19a) 및 드레인전극(15a)과의 사이에 저항접촉층(33)(34)을 형성하는 제4공정과, 그 반도체층(21)상에 게이트절연막(22)을 형성하는 제5공정과, 그 게이트절연막(22)상에 게이트전극(23)을 형성하는 제6공정으로 이루어진 박막트랜지스터의 제조방법.
- 제7항에 있어서, 상기 제2공정은 등방성에칭에 의해 상기 소오스전극(19a) 및 드레인 전극(15a)의 측면에 테이퍼면(36)(37)을 형성하는 공정인 박막트랜지스터의 제조방법.
- 제7항 또는 제8항에 있어서, 상기 제3공정은 상기 5족원소 또는 3족원소를 함유하는 기체를 가열한 상기 기판(11)에 공급하여 고주파전력에 의해 플라스마 화학적 기상성장을 행하는 공정인 박막트랜지스터의 제조방법.
- 제9항에 있어서, 상기 제4공정도는 가열한 상기 기판(11)에 아몰퍼스실리콘을 고주파 플라스마화학적 기상성장법에 의해 형성하는 공정인 박막트랜지스터의 제조방법.
- 제7항 또는 제8항에 있어서, 상기 제3공정은 상기 5족 또는 3족원소를 상기 소오스전극(19a) 및 드레인전국(15a)에 열확산시키는 공정인 박막트랜지스터의 제조방법.
- 기판(11)상에 투명전극층(31)을 형성하는 제1공정과, 그 투명전극에 대하여 등방성에칭에 의해, 측면에 테이퍼면을 가진 소오스전극(19a) 및 드레인전극(15a)을 분리형성하는 제2공정과, 이들 소오스전극(19a) 및 드레인전극(15a)이 대향하는 상기 테이퍼측면(36)(37)이 전체면에 저항접촉층(33)(34)을 형성하는 제3공정과, 이들 저항접촉(33)(34)상 사이에 걸쳐서 반도체층(21)을 상기 기판(11)상에 형성하는 제4공정과, 그 반도체층(21)상에 게이트절연막(22)을 형성하는 제5공정과, 그 게이트절연막(22)상에 게이트전극(23)을 형성하는 제6공정을 가진 박막트랜지스터의 제조방법.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60221667A JPS6281065A (ja) | 1985-10-04 | 1985-10-04 | 薄膜トランジスタ |
| JP60-221666 | 1985-10-04 | ||
| JP60221666A JPH0622244B2 (ja) | 1985-10-04 | 1985-10-04 | 薄膜トランジスタ及びその製造方法 |
| JP60-221667 | 1985-10-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR870004325A KR870004325A (ko) | 1987-05-08 |
| KR900000066B1 true KR900000066B1 (ko) | 1990-01-19 |
Family
ID=26524429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019860008313A Expired KR900000066B1 (ko) | 1985-10-04 | 1986-10-04 | 박막트랜지스터 및 그 제조방법 |
Country Status (5)
| Country | Link |
|---|---|
| US (2) | US4864376A (ko) |
| EP (1) | EP0217406B1 (ko) |
| KR (1) | KR900000066B1 (ko) |
| AT (1) | ATE77177T1 (ko) |
| DE (1) | DE3685623T2 (ko) |
Families Citing this family (36)
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| ATE77177T1 (de) * | 1985-10-04 | 1992-06-15 | Hosiden Corp | Duennfilmtransistor und verfahren zu seiner herstellung. |
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| KR920008834A (ko) * | 1990-10-09 | 1992-05-28 | 아이자와 스스무 | 박막 반도체 장치 |
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| US7115902B1 (en) | 1990-11-20 | 2006-10-03 | Semiconductor Energy Laboratory Co., Ltd. | Electro-optical device and method for manufacturing the same |
| US5849601A (en) | 1990-12-25 | 1998-12-15 | Semiconductor Energy Laboratory Co., Ltd. | Electro-optical device and method for manufacturing the same |
| US7576360B2 (en) | 1990-12-25 | 2009-08-18 | Semiconductor Energy Laboratory Co., Ltd. | Electro-optical device which comprises thin film transistors and method for manufacturing the same |
| US7098479B1 (en) | 1990-12-25 | 2006-08-29 | Semiconductor Energy Laboratory Co., Ltd. | Electro-optical device and method for manufacturing the same |
| CA2061796C (en) * | 1991-03-28 | 2002-12-24 | Kalluri R. Sarma | High mobility integrated drivers for active matrix displays |
| JP3255942B2 (ja) * | 1991-06-19 | 2002-02-12 | 株式会社半導体エネルギー研究所 | 逆スタガ薄膜トランジスタの作製方法 |
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| US7081938B1 (en) | 1993-12-03 | 2006-07-25 | Semiconductor Energy Laboratory Co., Ltd. | Electro-optical device and method for manufacturing the same |
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| US5771110A (en) | 1995-07-03 | 1998-06-23 | Sanyo Electric Co., Ltd. | Thin film transistor device, display device and method of fabricating the same |
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| JPH09146108A (ja) | 1995-11-17 | 1997-06-06 | Semiconductor Energy Lab Co Ltd | 液晶表示装置およびその駆動方法 |
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| KR100198556B1 (ko) * | 1995-11-22 | 1999-07-01 | 구자홍 | 박막트랜지스터의 구조 및 제조방법 |
| TW309633B (ko) | 1995-12-14 | 1997-07-01 | Handotai Energy Kenkyusho Kk | |
| JP2757850B2 (ja) * | 1996-04-18 | 1998-05-25 | 日本電気株式会社 | 薄膜トランジスタおよびその製造方法 |
| US5913113A (en) * | 1997-02-24 | 1999-06-15 | Lg Electronics Inc. | Method for fabricating a thin film transistor of a liquid crystal display device |
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| JP5363009B2 (ja) * | 2008-02-29 | 2013-12-11 | 株式会社ジャパンディスプレイ | 表示装置およびその製造方法 |
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| JPS6329977A (ja) * | 1986-07-23 | 1988-02-08 | Komatsu Ltd | 薄膜トランジスタの製造方法 |
| JP2572379B2 (ja) * | 1986-07-31 | 1997-01-16 | 株式会社日立製作所 | 薄膜トランジスタの製造方法 |
| JPS63172469A (ja) * | 1987-01-12 | 1988-07-16 | Fujitsu Ltd | 薄膜トランジスタ |
| US4849797A (en) * | 1987-01-23 | 1989-07-18 | Hosiden Electronics Co., Ltd. | Thin film transistor |
| US4762398A (en) * | 1987-01-26 | 1988-08-09 | Hosiden Electronics Co., Ltd. | Pixel transistor free of parasitic capacitance fluctuations from misalignment |
| US4918504A (en) * | 1987-07-31 | 1990-04-17 | Nippon Telegraph And Telephone Corporation | Active matrix cell |
| JPS6449478A (en) * | 1987-08-20 | 1989-02-23 | Mitsubishi Electric Corp | Synchronizing signal processing circuit |
| JPS6449473A (en) * | 1987-08-20 | 1989-02-23 | Sanyo Electric Co | Facsimile equipment |
| JPH01183853A (ja) * | 1988-01-19 | 1989-07-21 | Toshiba Corp | 薄膜電界効果トランジスタとその製造方法 |
| JP3198990B2 (ja) * | 1997-06-17 | 2001-08-13 | 日新電機株式会社 | コンデンサ装置 |
-
1986
- 1986-10-03 AT AT86113674T patent/ATE77177T1/de not_active IP Right Cessation
- 1986-10-03 DE DE8686113674T patent/DE3685623T2/de not_active Expired - Lifetime
- 1986-10-03 EP EP86113674A patent/EP0217406B1/en not_active Expired - Lifetime
- 1986-10-04 KR KR1019860008313A patent/KR900000066B1/ko not_active Expired
-
1988
- 1988-07-22 US US07/222,296 patent/US4864376A/en not_active Expired - Lifetime
-
1989
- 1989-08-28 US US07/399,141 patent/US5061648A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP0217406A3 (en) | 1988-01-07 |
| DE3685623T2 (de) | 1992-12-24 |
| US5061648A (en) | 1991-10-29 |
| DE3685623D1 (de) | 1992-07-16 |
| EP0217406B1 (en) | 1992-06-10 |
| ATE77177T1 (de) | 1992-06-15 |
| EP0217406A2 (en) | 1987-04-08 |
| KR870004325A (ko) | 1987-05-08 |
| US4864376A (en) | 1989-09-05 |
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