KR100615218B1 - 다결정 실리콘막을 채용한 박막 트랜지스터의 제조 방법,이에 따라 제조된 박막 트랜지스터 및 상기 박막트랜지스터를 구비한 평판 표시장치 - Google Patents
다결정 실리콘막을 채용한 박막 트랜지스터의 제조 방법,이에 따라 제조된 박막 트랜지스터 및 상기 박막트랜지스터를 구비한 평판 표시장치 Download PDFInfo
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- KR100615218B1 KR100615218B1 KR1020040030255A KR20040030255A KR100615218B1 KR 100615218 B1 KR100615218 B1 KR 100615218B1 KR 1020040030255 A KR1020040030255 A KR 1020040030255A KR 20040030255 A KR20040030255 A KR 20040030255A KR 100615218 B1 KR100615218 B1 KR 100615218B1
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- Prior art keywords
- thin film
- film transistor
- oxide layer
- silicon oxide
- silicon film
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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
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- 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
- H01L21/02041—Cleaning
- H01L21/02043—Cleaning before device manufacture, i.e. Begin-Of-Line process
- H01L21/02052—Wet cleaning only
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- 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
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
-
- 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]
- H10D30/6757—Thin-film transistors [TFT] characterised by the structure of the channel, e.g. transverse or longitudinal shape or doping profile
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (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)
- Recrystallisation Techniques (AREA)
Abstract
Description
Claims (12)
- 절연 기판 상에 비정질 실리콘막을 형성하는 단계;상기 비정질 실리콘막 표면에 형성된 실리콘 산화물층을 제거하는 단계;상기 비정질 실리콘막 표면에 실리콘 산화물층을 형성하는 단계; 및상기 비정질 실리콘막을 결정화하여 다결정 실리콘막을 형성하는 단계를 포함하는 박막 트랜지스터의 제조 방법으로서, 상기 실리콘 산화물층 제거 단계를 0.1 내지 0.7wt%의 불산수를 이용하여 수행하고, 상기 실리콘 산화물층 형성 단계를 0.0001 내지 5wt%의 오존수를 이용하여 수행하며, 상기 박막 트랜지스터의 PMOS 문턱 전압은 -0.94 내지 -1.07V이고, 상기 문턱 전압의 표준편차는 0.09 내지 0.19V인 것을 특징으로 하는 박막 트랜지스터의 제조 방법.
- 제1항에 있어서, 상기 실리콘 산화물층 제거 단계 전에 실리콘 산화물층에 존재하는 오염물 제거 단계를 수행하는 것을 특징으로 하는 박막 트랜지스터의 제조 방법.
- 삭제
- 삭제
- 제1항에 있어서, 상기 실리콘 산화물층 제거 단계는 80 내지 200 초간 수행되는 것을 특징으로 하는 박막 트랜지스터의 제조 방법.
- 삭제
- 삭제
- 제1항에 있어서, 상기 실리콘 산화물층 형성 단계는 100초 내지 120초간 수행되는 것을 특징으로 하는 박막 트랜지스터의 제조 방법.
- 제1항에 있어서, 상기 비정질 실리콘막 결정화시 ELA법을 이용하는 것을 특징으로 하는 박막 트랜지스터의 제조 방법.
- 다결정 실리콘막을 패터닝하여 형성된 활성층; 상기 활성층에 절연된 게이트 전극; 및 상기 활성층에 전기적으로 연결된 소스 및 드레인 전극을 포함하고, 제1항, 제2항, 제5항, 제8항 및 제9항 중 어느 한 항의 박막 트랜지스터 제조 방법에 따라 제조되며, PMOS 문턱 전압은 -0.94 내지 -1.07V이고, 상기 문턱 전압의 표준편차는 0.09 내지 0.19V인 것을 특징으로 하는 박막 트랜지스터.
- 삭제
- 제10항의 박막 트랜지스터를 각 화소에 구비하고, 상기 박막 트랜지스터의 소스 전극 또는 드레인 전극에 화소 전극이 접속된 것을 특징으로 하는 평판 표시장치.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040030255A KR100615218B1 (ko) | 2004-04-29 | 2004-04-29 | 다결정 실리콘막을 채용한 박막 트랜지스터의 제조 방법,이에 따라 제조된 박막 트랜지스터 및 상기 박막트랜지스터를 구비한 평판 표시장치 |
JP2004372109A JP2005317910A (ja) | 2004-04-29 | 2004-12-22 | 多結晶シリコン膜を採用した薄膜トランジスタの製造方法、それによって製造された薄膜トランジスタ及び前記薄膜トランジスタを具備した平板表示装置 |
US11/116,276 US7553714B2 (en) | 2004-04-29 | 2005-04-28 | Method of manufacturing thin film transistor having polycrystalline silicon layer, thin film transistor manufactured using the method and flat panel display comprising the thin film transistor |
CNA2005100762398A CN1694232A (zh) | 2004-04-29 | 2005-04-29 | 具有多晶硅层的薄膜晶体管、制造方法及平板显示器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040030255A KR100615218B1 (ko) | 2004-04-29 | 2004-04-29 | 다결정 실리콘막을 채용한 박막 트랜지스터의 제조 방법,이에 따라 제조된 박막 트랜지스터 및 상기 박막트랜지스터를 구비한 평판 표시장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050104837A KR20050104837A (ko) | 2005-11-03 |
KR100615218B1 true KR100615218B1 (ko) | 2006-08-25 |
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Application Number | Title | Priority Date | Filing Date |
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KR1020040030255A Expired - Lifetime KR100615218B1 (ko) | 2004-04-29 | 2004-04-29 | 다결정 실리콘막을 채용한 박막 트랜지스터의 제조 방법,이에 따라 제조된 박막 트랜지스터 및 상기 박막트랜지스터를 구비한 평판 표시장치 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7553714B2 (ko) |
JP (1) | JP2005317910A (ko) |
KR (1) | KR100615218B1 (ko) |
CN (1) | CN1694232A (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US12324345B2 (en) | 2021-09-02 | 2025-06-03 | Samsung Display Co., Ltd. | Method of determining crystallinity and method of manufacturing a display device using the same |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9522844B2 (en) | 2014-09-03 | 2016-12-20 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Low temperature poly-silicon thin film preparation apparatus and method for preparing the same |
CN104241173B (zh) * | 2014-09-03 | 2017-01-25 | 深圳市华星光电技术有限公司 | 一种低温多晶硅薄膜的制备机构及方法 |
Family Cites Families (11)
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EP0450503A3 (en) * | 1990-04-02 | 1992-05-20 | National Semiconductor Corporation | Semiconductor devices with borosilicate glass sidewall spacers and method of fabrication |
US6348157B1 (en) * | 1997-06-13 | 2002-02-19 | Tadahiro Ohmi | Cleaning method |
JP4223590B2 (ja) | 1998-06-04 | 2009-02-12 | 東芝松下ディスプレイテクノロジー株式会社 | 多結晶半導体の製造方法 |
JP4045731B2 (ja) * | 2000-09-25 | 2008-02-13 | 株式会社日立製作所 | 薄膜半導体素子の製造方法 |
JP2002124467A (ja) | 2000-10-18 | 2002-04-26 | Matsushita Electric Ind Co Ltd | 多結晶半導体膜の形成方法および薄膜トランジスタの製造方法 |
JP2002141510A (ja) | 2000-11-01 | 2002-05-17 | Matsushita Electric Ind Co Ltd | 薄膜トランジスタ、アレイ基板、液晶表示装置、有機el表示装置およびその製造方法 |
US6743700B2 (en) | 2001-06-01 | 2004-06-01 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor film, semiconductor device and method of their production |
JP2002368013A (ja) | 2001-06-13 | 2002-12-20 | Hitachi Ltd | Cmos型薄膜トランジスタ及びその製造方法 |
US6737302B2 (en) * | 2001-10-31 | 2004-05-18 | Semiconductor Energy Laboratory Co., Ltd. | Manufacturing method for field-effect transistor |
JP2003158135A (ja) | 2001-11-26 | 2003-05-30 | Matsushita Electric Ind Co Ltd | 薄膜トランジスタの製造方法およびそれを備える表示装置の製造方法 |
US6727122B2 (en) * | 2001-12-29 | 2004-04-27 | Lg. Philips Lcd Co., Ltd. | Method of fabricating polysilicon thin film transistor |
-
2004
- 2004-04-29 KR KR1020040030255A patent/KR100615218B1/ko not_active Expired - Lifetime
- 2004-12-22 JP JP2004372109A patent/JP2005317910A/ja active Pending
-
2005
- 2005-04-28 US US11/116,276 patent/US7553714B2/en active Active
- 2005-04-29 CN CNA2005100762398A patent/CN1694232A/zh active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US12324345B2 (en) | 2021-09-02 | 2025-06-03 | Samsung Display Co., Ltd. | Method of determining crystallinity and method of manufacturing a display device using the same |
Also Published As
Publication number | Publication date |
---|---|
JP2005317910A (ja) | 2005-11-10 |
US7553714B2 (en) | 2009-06-30 |
CN1694232A (zh) | 2005-11-09 |
KR20050104837A (ko) | 2005-11-03 |
US20050242353A1 (en) | 2005-11-03 |
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