KR100482460B1 - 액정 표시 장치의 폴리실리콘-박막 트랜지스터 형성방법 - Google Patents
액정 표시 장치의 폴리실리콘-박막 트랜지스터 형성방법 Download PDFInfo
- Publication number
- KR100482460B1 KR100482460B1 KR10-1998-0045459A KR19980045459A KR100482460B1 KR 100482460 B1 KR100482460 B1 KR 100482460B1 KR 19980045459 A KR19980045459 A KR 19980045459A KR 100482460 B1 KR100482460 B1 KR 100482460B1
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- South Korea
- Prior art keywords
- source
- forming
- amorphous silicon
- silicon layer
- drain electrodes
- 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.)
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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]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/67—Thin-film transistors [TFT]
- H10D30/6729—Thin-film transistors [TFT] characterised by the electrodes
-
- 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
-
- 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
- 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
- H10D86/0221—Manufacture or treatment of multiple TFTs comprising manufacture, treatment or patterning of TFT semiconductor bodies
- H10D86/0223—Manufacture or treatment of multiple TFTs comprising manufacture, treatment or patterning of TFT semiconductor bodies comprising crystallisation of amorphous, microcrystalline or polycrystalline semiconductor materials
-
- 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
- H10D86/40—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 characterised by multiple TFTs
- H10D86/441—Interconnections, e.g. scanning lines
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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 (2)
- 절연 기판상에 소오스, 드레인 전극을 소정 거리 이격되도록 형성하는 단계로, 상기 소오스, 드레인 전극의 측벽이 테이퍼 형태가 되도록 테이퍼 에칭하여 형성하는 단계;상기 소오스, 드레인 전극이 형성된 기판상의 소정 부분에 비정질 실리콘층을 형성하는 단계;상기 소오스 드레인 전극 사이의 비정질 실리콘층 상에 절연 패턴을 형성하는 단계;상기 노출된 비정질 실리콘층에 불순물을 이온 주입하는 단계;상기 절연 패턴상에 게이트 전극을 형성하는 단계;상기 노출된 비정질 실리콘층을 레이져 어닐링하여, 폴리화하는 단계를 포함하며,상기 소오스 드레인 전극간의 거리는 상기 레이져 어닐링시 사용되는 레이져 빔 파장의 정수배인 것을 특징으로 하는 액정 표시 장치의 폴리실리콘-박막 트랜지스터 형성방법.
- N모스 영역과 P모스 영역이 한정된 절연 기판 상부의 각 모스 영역에 소오스, 드레인 전극을 소정 거리 이격되도록 형성하는 단계로, 상기 소오스, 드레인 전극을 측벽이 테이퍼 형태가 되도록 테이퍼 에칭하면서 형성하는 단계;상기 소오스, 드레인 전극이 형성된 기판상에 비정질 실리콘층을 형성하는 단계;상기 N모스 영역의 소오스 드레인 전극 사이의 비정질 실리콘층 상에 제 1 절연 패턴을 형성하고, N모스 영역은 모두 덮도록 제 2 절연 패턴을 형성하는 단계;상기 노출된 비정질 실리콘층에 N형 불순물을 이온 주입하는 단계;상기 제 2 절연 패턴을 상기 P모스 영역의 소오스 드레인 전극 사이에 존재하도록 패터닝하는 단계;상기 N모스 영역을 포토레지스트 패턴으로 가리는 단계;노출된 P모스 영역에 P형 불순물을 이온 주입하는 단계;상기 포토레지스트 패턴을 제거하는 단계;상기 노출된 비정질 실리콘층을 레이져 어닐링하여, 폴리화하는 단계; 및상기 각 절연 패턴 상부에 게이트 전극을 형성하는 단계를 포함하며,상기 소오스 드레인 전극간의 거리는 상기 레이져 어닐링시 사용되는 레이져 빔 파장의 정수배인 것을 특징으로 하는 액정 표시 장치의 폴리실리콘-박막 트랜지스터 형성방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-1998-0045459A KR100482460B1 (ko) | 1998-10-28 | 1998-10-28 | 액정 표시 장치의 폴리실리콘-박막 트랜지스터 형성방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-1998-0045459A KR100482460B1 (ko) | 1998-10-28 | 1998-10-28 | 액정 표시 장치의 폴리실리콘-박막 트랜지스터 형성방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20000027514A KR20000027514A (ko) | 2000-05-15 |
KR100482460B1 true KR100482460B1 (ko) | 2005-09-02 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR10-1998-0045459A Expired - Lifetime KR100482460B1 (ko) | 1998-10-28 | 1998-10-28 | 액정 표시 장치의 폴리실리콘-박막 트랜지스터 형성방법 |
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KR (1) | KR100482460B1 (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6566687B2 (en) * | 2001-01-18 | 2003-05-20 | International Business Machines Corporation | Metal induced self-aligned crystallization of Si layer for TFT |
KR102563516B1 (ko) * | 2018-12-18 | 2023-08-04 | 엘지디스플레이 주식회사 | 트랜지스터 및 전자장치 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR950003235A (ko) * | 1993-07-01 | 1995-02-16 | 이준구 | 농수산물 쓰레기 재활용 처리장치 |
WO1998027583A1 (en) * | 1996-12-19 | 1998-06-25 | Koninklijke Philips Electronics N.V. | Electronic devices and their manufacture |
KR19990024414A (ko) * | 1997-09-02 | 1999-04-06 | 구자홍 | 박막트랜지스터의 제조방법 |
KR100288040B1 (ko) * | 1994-10-20 | 2001-10-24 | 야마자끼 순페이 | 반도체장치및그제조방법 |
-
1998
- 1998-10-28 KR KR10-1998-0045459A patent/KR100482460B1/ko not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR950003235A (ko) * | 1993-07-01 | 1995-02-16 | 이준구 | 농수산물 쓰레기 재활용 처리장치 |
KR100288040B1 (ko) * | 1994-10-20 | 2001-10-24 | 야마자끼 순페이 | 반도체장치및그제조방법 |
WO1998027583A1 (en) * | 1996-12-19 | 1998-06-25 | Koninklijke Philips Electronics N.V. | Electronic devices and their manufacture |
KR19990024414A (ko) * | 1997-09-02 | 1999-04-06 | 구자홍 | 박막트랜지스터의 제조방법 |
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KR20000027514A (ko) | 2000-05-15 |
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