KR100272272B1 - 박막 트랜지스터 및 그의 제조방법 - Google Patents
박막 트랜지스터 및 그의 제조방법 Download PDFInfo
- Publication number
- KR100272272B1 KR100272272B1 KR1019970030428A KR19970030428A KR100272272B1 KR 100272272 B1 KR100272272 B1 KR 100272272B1 KR 1019970030428 A KR1019970030428 A KR 1019970030428A KR 19970030428 A KR19970030428 A KR 19970030428A KR 100272272 B1 KR100272272 B1 KR 100272272B1
- Authority
- KR
- South Korea
- Prior art keywords
- gate
- layer
- active layer
- thin film
- film transistor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000010409 thin film Substances 0.000 title claims abstract description 39
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 229910003460 diamond Inorganic materials 0.000 claims abstract description 18
- 239000010432 diamond Substances 0.000 claims abstract description 18
- 239000010408 film Substances 0.000 claims abstract description 17
- 239000000758 substrate Substances 0.000 claims abstract description 14
- 229910021417 amorphous silicon Inorganic materials 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 238000005229 chemical vapour deposition Methods 0.000 claims description 5
- 238000000059 patterning Methods 0.000 claims description 2
- 239000004065 semiconductor Substances 0.000 description 4
- 230000004913 activation Effects 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 229910004205 SiNX Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- UHYPYGJEEGLRJD-UHFFFAOYSA-N cadmium(2+);selenium(2-) Chemical compound [Se-2].[Cd+2] UHYPYGJEEGLRJD-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- -1 oxy nitride Chemical class 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Classifications
-
- 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
-
- 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
-
- 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
- H10D30/6706—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 for preventing leakage current
-
- 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
- H10D30/6732—Bottom-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]
- H10D30/674—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
Landscapes
- Thin Film Transistor (AREA)
- Liquid Crystal (AREA)
Abstract
Description
Claims (6)
- 기판 상에 형성된 게이트; 상기 게이트 전극을 포함하는 기판상에 형성된 게이트 절연막; 상기 게이트 상부의 게이트 절연막상에 형성된 활성층; 상기 활성층상에 형성된 에치 스톱퍼; 상기 게이트 상부의 활성층이 노출되도록 상기 활성층과 게이트 절연막상에 형성된 소오스 및 드레인 전극; 상기 활성층과 소오스 및 드레인 전극 사이에 개재되는 비정질 다이아몬드 박막으로 이루어진 오믹층을 포함하는 것을 특징으로 하는 박막 트랜지스터.
- 제1항에 있어서, 상기 활성층은 수소화된 비정질 실리콘막인 것을 특징으로 하는 박막 트랜지스터.
- 상부에 게이트가 형성된 절연 기판을 제공하는 단계; 상기 절연 기판 상에 게이트 절연막을 형성하는 단계; 상기 게이트 상부의 게이트 절연막 상에 활성층을 형성하는 단계; CH4, C2H2등의 개스를 이용한 플라즈마 화학 기상 증착법으로, 상기 활성층과 오버랩되도록 상기 활성층 상에 비정질 다이아몬드 박막으로 오믹층을 형성하는 단계; 상기 오믹층 상에 금속층을 형성하는 단계; 및 상기 금속층 및 오믹층을 패터닝하여 소오스 및 드레인 전극을 형성하는 단계를 포함하는 것을 특징으로 하는 박막 트랜지스터의 제조방법.
- 제3항에 있어서, 상기 활성층은 수소화된 비정질 실리콘막으로 형성하는 것을 특징으로 하는 박막 트랜지스터의 제조방법.
- 제4항에 있어서, 상기 수소화된 비정질 실리콘막은 SiH4, Si3H8등의 개스를 이용하여 플라즈마 화학 기상 증착으로 형성하는 것을 특징으로 하는 박막 트랜지스터의 제조방법.
- 제3항에 있어서, 상기 활성층을 형성하는 단계와 상기 오믹층을 형성하는 단계 사이에, 상기 게이트 상부의 상기 활성층 상에 상기 게이트 형태의 에치 스톱퍼층을 형성하는 단계를 더 포함하는 것을 특징으로 하는 박막 트랜지스터의 제조방법.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970030428A KR100272272B1 (ko) | 1997-06-30 | 1997-06-30 | 박막 트랜지스터 및 그의 제조방법 |
US09/105,871 US6166400A (en) | 1997-06-30 | 1998-06-26 | Thin film transistor of liquid crystal display with amorphous silicon active layer and amorphous diamond ohmic contact layers |
JP10183442A JPH11121762A (ja) | 1997-06-30 | 1998-06-30 | 液晶表示素子の薄膜トランジスタ及びその製造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970030428A KR100272272B1 (ko) | 1997-06-30 | 1997-06-30 | 박막 트랜지스터 및 그의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990006206A KR19990006206A (ko) | 1999-01-25 |
KR100272272B1 true KR100272272B1 (ko) | 2000-11-15 |
Family
ID=19513097
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019970030428A Expired - Lifetime KR100272272B1 (ko) | 1997-06-30 | 1997-06-30 | 박막 트랜지스터 및 그의 제조방법 |
Country Status (3)
Country | Link |
---|---|
US (1) | US6166400A (ko) |
JP (1) | JPH11121762A (ko) |
KR (1) | KR100272272B1 (ko) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW480554B (en) * | 1999-07-22 | 2002-03-21 | Semiconductor Energy Lab | Semiconductor device and manufacturing method thereof |
KR100310946B1 (ko) * | 1999-08-07 | 2001-10-18 | 구본준, 론 위라하디락사 | 액정표시장치 및 그 제조방법 |
KR100483358B1 (ko) * | 2001-09-07 | 2005-04-14 | 엘지.필립스 엘시디 주식회사 | 반사투과형 액정표시장치용 어레이기판과 그 제조방법 |
KR100683664B1 (ko) * | 2004-01-06 | 2007-02-15 | 삼성에스디아이 주식회사 | 박막 트랜지스터, 박막 트랜지스터를 제조하는 방법 및이를 구비한 평판 디스플레이 소자 |
DE102004026108B4 (de) * | 2004-05-28 | 2008-10-02 | Qimonda Ag | Integrierte Halbleiterschaltungsanordnung und Verfahren zu deren Herstellung |
KR101240652B1 (ko) * | 2006-04-24 | 2013-03-08 | 삼성디스플레이 주식회사 | 표시 장치용 박막 트랜지스터 표시판 및 그 제조 방법 |
CN100463193C (zh) * | 2006-11-03 | 2009-02-18 | 北京京东方光电科技有限公司 | 一种tft阵列结构及其制造方法 |
KR101410926B1 (ko) * | 2007-02-16 | 2014-06-24 | 삼성전자주식회사 | 박막 트랜지스터 및 그 제조방법 |
CN102236188B (zh) * | 2010-04-23 | 2014-07-02 | 北京京东方光电科技有限公司 | 栅极驱动方法、电路及液晶显示面板 |
CN102651401B (zh) | 2011-12-31 | 2015-03-18 | 京东方科技集团股份有限公司 | 一种薄膜晶体管、阵列基板及其制造方法和显示器件 |
RU2749493C1 (ru) * | 2020-10-01 | 2021-06-11 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Чеченский государственный университет" | Способ изготовления тонкопленочного транзистора |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3117563B2 (ja) * | 1992-11-24 | 2000-12-18 | 株式会社神戸製鋼所 | ダイヤモンド薄膜電界効果トランジスタ |
US5474816A (en) * | 1993-04-16 | 1995-12-12 | The Regents Of The University Of California | Fabrication of amorphous diamond films |
-
1997
- 1997-06-30 KR KR1019970030428A patent/KR100272272B1/ko not_active Expired - Lifetime
-
1998
- 1998-06-26 US US09/105,871 patent/US6166400A/en not_active Expired - Lifetime
- 1998-06-30 JP JP10183442A patent/JPH11121762A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
KR19990006206A (ko) | 1999-01-25 |
JPH11121762A (ja) | 1999-04-30 |
US6166400A (en) | 2000-12-26 |
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