KR0179066B1 - 박막트랜지스터 및 그 제조방법 - Google Patents
박막트랜지스터 및 그 제조방법 Download PDFInfo
- Publication number
- KR0179066B1 KR0179066B1 KR1019940028726A KR19940028726A KR0179066B1 KR 0179066 B1 KR0179066 B1 KR 0179066B1 KR 1019940028726 A KR1019940028726 A KR 1019940028726A KR 19940028726 A KR19940028726 A KR 19940028726A KR 0179066 B1 KR0179066 B1 KR 0179066B1
- Authority
- KR
- South Korea
- Prior art keywords
- semiconductor layer
- layer
- forming
- gate insulating
- high concentration
- Prior art date
Links
- 239000010409 thin film Substances 0.000 title claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 title abstract description 17
- 239000004065 semiconductor Substances 0.000 claims abstract description 100
- 239000012535 impurity Substances 0.000 claims abstract description 45
- 239000000758 substrate Substances 0.000 claims abstract description 43
- 239000010408 film Substances 0.000 claims abstract description 41
- 238000000034 method Methods 0.000 claims description 16
- 238000000059 patterning Methods 0.000 claims description 7
- 239000011810 insulating material Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims 4
- 238000000151 deposition Methods 0.000 claims 3
- 239000007769 metal material Substances 0.000 claims 2
- 230000007547 defect Effects 0.000 description 5
- 150000004767 nitrides Chemical class 0.000 description 5
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 4
- 229910021417 amorphous silicon Inorganic materials 0.000 description 3
- 229920005591 polysilicon Polymers 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 2
- 238000005468 ion implantation Methods 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000005685 electric field effect Effects 0.000 description 1
- -1 for example Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Classifications
-
- 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
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/28008—Making conductor-insulator-semiconductor electrodes
- H01L21/28017—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon
- H01L21/28158—Making the insulator
-
- 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]
-
- 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]
- H10D30/01—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]
- H10D30/6729—Thin-film transistors [TFT] characterised by the electrodes
- H10D30/6737—Thin-film transistors [TFT] characterised by the electrodes characterised by the electrode materials
- H10D30/6739—Conductor-insulator-semiconductor electrodes
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)
Abstract
Description
Claims (6)
- 절연기판; 상기 절연기판상에 형성된 반도체층; 상기 반도체층상에 형성된 스토퍼층; 상기 스토퍼층이 형성된 부분을 제외한 반도체층의 상부 표면내에 형성된 고농도 불순물 반도체층; 기판 전면에 형성되고 상기 고농도 불순물 반도체층상에 두 개의 콘택홀을 갖는 게이트절연막; 상기 게이트절연막상에 형성된 게이트전극; 상기 두 개의 콘택홀을 통해 고농도 불순물 반도체층과 접촉하도록 상기 게이트절연막상에 형성된 소오스/드레인전극을 포함하여 구성된 박막트랜지스터.
- 절연기판을 준비하는 공정; 상기 절연기판상에 반도체층을 형성하는 공정; 상기 반도체층상에 스토퍼층을 형성하는 공정; 상기 스토퍼층을 마스크로 하여 상기 반도체 표면내에 고농도 불순물 반도체층을 형성하는 공정; 상기 기판 전면과 상기 고농도 불순물 반도체층상에 두 개의 콘택홀을 갖는 게이트절연막을 형성하는 공정; 상기 게이트절연막상에 게이트전극을 형성하는 공정; 상기 콘택홀을 통해 고농도 불순물 반도체층과 접촉하도록 상기 게이트 절연막상에 소오스/ 드레인전극을 형성하는 공정을 포함하여 이루어진 박막트랜지스터의 제조방법.
- 제1항에 있어서, 상기 스토퍼층은 채널영역을 이루는 일부 반도체층 부분의 상부에만 형성되어 있는 것을 특징으로 하는 박막트랜지스터.
- 제2항에 있어서, 상기 반도체층을 형성하는 공정은 상기 절연기판상에 반도체물질과 절연물질을 차례로 증착하는 공정; 상기 절연물질과 반도체물질을 동일 패턴으로 패터닝하는 공정을 포함하는 것을 특징으로 하는 박막트랜지스터의 제조방법.
- 제2항에 있어서, 상기 스토퍼층을 형성하는 공정은 절연기판상에 반도체 물질과 절연물질을 차례로 증착하는 공정; 상기 절연물질과 반도체물질을 동일 패턴을 이용하여 1차로 패터닝하는 공정; 상기 패터닝된 절연물질을 2차로 패터닝하는 공정을 포함하는 것을 특징으로 하는 박막트랜지스터의 제조방법.
- 제2항에 있어서, 상기 게이트전극과 소오스/드레인전극을 형성하는 공정은 상기 게이트절연막상에 금속물질을 증착하여 이를 동시에 패터닝하여 형성하는 것을 특징으로 하는 박막트랜지스터의 제조방법.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019940028726A KR0179066B1 (ko) | 1994-11-03 | 1994-11-03 | 박막트랜지스터 및 그 제조방법 |
US08/833,205 US5751017A (en) | 1994-11-03 | 1997-04-14 | Thin film transistor having double gate insulating layer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019940028726A KR0179066B1 (ko) | 1994-11-03 | 1994-11-03 | 박막트랜지스터 및 그 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR960019769A KR960019769A (ko) | 1996-06-17 |
KR0179066B1 true KR0179066B1 (ko) | 1999-03-20 |
Family
ID=19396994
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019940028726A KR0179066B1 (ko) | 1994-11-03 | 1994-11-03 | 박막트랜지스터 및 그 제조방법 |
Country Status (2)
Country | Link |
---|---|
US (1) | US5751017A (ko) |
KR (1) | KR0179066B1 (ko) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6454569B1 (en) | 1993-11-02 | 2002-09-24 | Biolok International, Inc. | Dental implant having a dual bio-affinity collar |
US5949117A (en) * | 1995-12-26 | 1999-09-07 | Micron Technology, Inc. | Highly efficient transistor for fast programming of flash memories |
US6197640B1 (en) * | 1998-12-21 | 2001-03-06 | Semiconductor Components Industries, Llc | Semiconductor component and method of manufacture |
GB0000292D0 (en) * | 2000-01-07 | 2000-03-01 | Koninkl Philips Electronics Nv | Top gate thin-film transistor and method of producing the same |
US7902051B2 (en) * | 2008-01-07 | 2011-03-08 | International Business Machines Corporation | Method for fabrication of single crystal diodes for resistive memories |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5289030A (en) * | 1991-03-06 | 1994-02-22 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device with oxide layer |
US5468987A (en) * | 1991-03-06 | 1995-11-21 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device and method for forming the same |
JPH04299864A (ja) * | 1991-03-28 | 1992-10-23 | Seiko Epson Corp | アクティブマトリクス型液晶ディスプレイ |
-
1994
- 1994-11-03 KR KR1019940028726A patent/KR0179066B1/ko not_active IP Right Cessation
-
1997
- 1997-04-14 US US08/833,205 patent/US5751017A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5751017A (en) | 1998-05-12 |
KR960019769A (ko) | 1996-06-17 |
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