KR100304910B1 - 박막트랜지스터제조방법 - Google Patents
박막트랜지스터제조방법 Download PDFInfo
- Publication number
- KR100304910B1 KR100304910B1 KR1019930021434A KR930021434A KR100304910B1 KR 100304910 B1 KR100304910 B1 KR 100304910B1 KR 1019930021434 A KR1019930021434 A KR 1019930021434A KR 930021434 A KR930021434 A KR 930021434A KR 100304910 B1 KR100304910 B1 KR 100304910B1
- Authority
- KR
- South Korea
- Prior art keywords
- forming
- conductive layer
- layer
- thin film
- region
- 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
Classifications
-
- 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]
- H10D30/01—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]
- H10D30/6729—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
-
- 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
Landscapes
- Thin Film Transistor (AREA)
Abstract
Description
Claims (2)
- 투명절연기판(1)상에 버퍼층(2)을 형성하는 공정과, 상기 버퍼층(2)상에 폴리실리콘 활성층(3)을 형성하는 공정, 상기 폴리실리콘 활성층(3) 상부에 게이트 절연막(4)을 형성하는 공정, 상기 게이트절연막(4)상에 게이트전극 형성을 위한 도전층(5)을 증착하는 공정, 상기 도전층(5)상에 포토레지스트를 도포하고 이를 게이트전극패턴으로 패터닝하는 공정, 상기 포토레지스트패턴(10)을 마스크로하여 상기 도전층을 등방성식각에 의한 테이퍼에치하는 공정, n형 불순물을 고농도로 이온주입하여 상기 폴리실리콘 활성층(3) 소정영역에 n+영역(6)을 형성하는 공정, 상기 포토레지스트패턴(10)을 마스크로하여 상기 도전층을 이방성식각하여 게이트전극(5)을 형성하는 공정, n형불순물을 저농도로 이온주입하여 상기 폴리실리콘 활성층(3) 소정영역에 n-영역(7)을 형성하는 공정을 포함하여 이루어지는 것을 특징으로 하는 박막트랜지스터 제조방법.
- 제1항에 있어서, 상기 도전층의 테이퍼에치된 부분의 에치된 각도가 45° 이하가 되도록 도전층을 등방성식각하는 것을 특징으로 하는 박막트랜지스터 제조 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019930021434A KR100304910B1 (ko) | 1993-10-15 | 1993-10-15 | 박막트랜지스터제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019930021434A KR100304910B1 (ko) | 1993-10-15 | 1993-10-15 | 박막트랜지스터제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR950012755A KR950012755A (ko) | 1995-05-16 |
KR100304910B1 true KR100304910B1 (ko) | 2001-12-15 |
Family
ID=37529984
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019930021434A Expired - Lifetime KR100304910B1 (ko) | 1993-10-15 | 1993-10-15 | 박막트랜지스터제조방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100304910B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100357173B1 (ko) * | 1996-07-31 | 2003-01-24 | 주식회사 하이닉스반도체 | 박막 트랜지스터의 제조 방법 |
-
1993
- 1993-10-15 KR KR1019930021434A patent/KR100304910B1/ko not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
KR950012755A (ko) | 1995-05-16 |
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