KR100217140B1 - 박막트랜지스터의 제조방법 - Google Patents
박막트랜지스터의 제조방법 Download PDFInfo
- Publication number
- KR100217140B1 KR100217140B1 KR1019920005271A KR920005271A KR100217140B1 KR 100217140 B1 KR100217140 B1 KR 100217140B1 KR 1019920005271 A KR1019920005271 A KR 1019920005271A KR 920005271 A KR920005271 A KR 920005271A KR 100217140 B1 KR100217140 B1 KR 100217140B1
- Authority
- KR
- South Korea
- Prior art keywords
- amorphous silicon
- predetermined
- etching
- thickness
- thin film
- 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 - Fee Related
Links
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
- 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
-
- 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
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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
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
- H01L21/32055—Deposition of semiconductive layers, e.g. poly - or amorphous silicon layers
Landscapes
- 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)
- Drying Of Semiconductors (AREA)
Abstract
Description
Claims (3)
- 기판상에 소정길이의 게이트를 형성하고 전면에 소정두께의 절연막, 최종형성 두께보다 두꺼운 비정질실리콘을 차례로 증착시키는 제1공정과, 상기 비정질실리콘을 소오스 및 드레인전극 형성영역으로 한정해서 그 부분에 대해서 일정두께가 되도록 식각하는 제2공정과, 전면에 소정도전형의 비정질실리콘을 도포하는 제3공정과, 상기 소정도전형의 비정질실리콘과 상기 비정질실리콘을 트랜지스터 형성영역만 남기고 제거하는 제4공정과, 그위에 소오스 및 드레인전극을 형성한 후 상기 전극형성시 노출된 소정도전형의 비정질실리콘을 식각하고 그 하부의 비정질실리콘의 일정두께가 되도록 더 식각하는 제5공정을 포함하는 것을 특징으로 하는 박막트랜지스터의 제조방법.
- 제1항에 있어서, 상기 제5공정중 비정질실리콘의 남은 두께는 상기 제2공정의 비정질실리콘의 남은 두께와 동일함을 특징으로 하는 박막트랜지스터의 제조방법.
- 제2항에 있어서, 상기 제5공정중의 비정질실리콘의 식각은 소정도전형의 비정질실리콘의 과잉식각으로 됨을 특징으로 하는 박막트랜지스터의 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019920005271A KR100217140B1 (ko) | 1992-03-30 | 1992-03-30 | 박막트랜지스터의 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019920005271A KR100217140B1 (ko) | 1992-03-30 | 1992-03-30 | 박막트랜지스터의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR930020655A KR930020655A (ko) | 1993-10-20 |
KR100217140B1 true KR100217140B1 (ko) | 1999-09-01 |
Family
ID=19331095
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019920005271A Expired - Fee Related KR100217140B1 (ko) | 1992-03-30 | 1992-03-30 | 박막트랜지스터의 제조방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100217140B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100362191B1 (ko) * | 1995-12-07 | 2003-03-06 | 주식회사 하이닉스반도체 | 반도체소자의박막트랜지스터및그제조방법 |
-
1992
- 1992-03-30 KR KR1019920005271A patent/KR100217140B1/ko not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR930020655A (ko) | 1993-10-20 |
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