KR100507278B1 - 박막 트랜지스터 액정표시장치 제조방법 - Google Patents
박막 트랜지스터 액정표시장치 제조방법 Download PDFInfo
- Publication number
- KR100507278B1 KR100507278B1 KR10-2001-0030565A KR20010030565A KR100507278B1 KR 100507278 B1 KR100507278 B1 KR 100507278B1 KR 20010030565 A KR20010030565 A KR 20010030565A KR 100507278 B1 KR100507278 B1 KR 100507278B1
- Authority
- KR
- South Korea
- Prior art keywords
- metal film
- film
- amorphous silicon
- source
- drain electrode
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 239000010409 thin film Substances 0.000 title abstract description 13
- 239000002184 metal Substances 0.000 claims abstract description 59
- 229910052751 metal Inorganic materials 0.000 claims abstract description 59
- 229910021417 amorphous silicon Inorganic materials 0.000 claims abstract description 24
- 238000001020 plasma etching Methods 0.000 claims abstract description 23
- 239000000758 substrate Substances 0.000 claims abstract description 17
- 238000000151 deposition Methods 0.000 claims abstract description 11
- 238000005530 etching Methods 0.000 claims abstract description 10
- 239000011521 glass Substances 0.000 claims abstract description 6
- 229920002120 photoresistant polymer Polymers 0.000 claims abstract description 5
- 239000007772 electrode material Substances 0.000 claims abstract description 3
- 238000000059 patterning Methods 0.000 claims abstract description 3
- 239000010408 film Substances 0.000 abstract description 70
- 239000004973 liquid crystal related substance Substances 0.000 abstract description 12
- 239000010936 titanium Substances 0.000 description 18
- 229910052750 molybdenum Inorganic materials 0.000 description 4
- 238000001039 wet etching Methods 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000001312 dry etching Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/13439—Electrodes characterised by their electrical, optical, physical properties; materials therefor; method of making
-
- 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
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67017—Apparatus for fluid treatment
- H01L21/67063—Apparatus for fluid treatment for etching
- H01L21/67069—Apparatus for fluid treatment for etching for drying 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]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/67—Thin-film transistors [TFT]
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2203/00—Function characteristic
- G02F2203/68—Green display, e.g. recycling, reduction of harmful substances
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Optics & Photonics (AREA)
- Thin Film Transistor (AREA)
Abstract
Description
Claims (6)
- 게이트 전극이 형성된 유리 기판 상에 게이트 절연막과 비정질 실리콘막 및 도핑된 비정질 실리콘막을 차례로 증착하는 단계;상기 도핑된 비정질 실리콘막과 비정질 실리콘막을 패터닝하여 액티브층을 형성한 후, 결과물 상에 소오스/드레인 전극용 물질로 Ti 금속막과 Mo 금속막을 차례로 증착하는 단계;상기 Mo 금속막 상에 소오스/드레인 전극 형성용 감광막 패턴을 형성하는 단계;상기 기판 결과물을 반응성이온식각 챔버 내에 장입시킨 상태에서 상기 Mo 금속막에 대해 SF6 가스를 이용한 반응성이온식각을 진행하고, 연속해서, 상기 Ti 금속막에 대해 BCl3 가스를 이용한 반응성이온식각을 진행하여 소오스/드레인 전극을 형성하는 단계; 및상기 기판 결과물을 플라즈마 식각 챔버 내에 장입시킨 상태에서, 채널층이 형성되도록 상기 소오스 전극과 드레인 전극 사이의 도핑된 비정질실리콘막 부분을 선택적으로 식각하는 단계를 포함하는 것을 특징으로 하는 박막 트랜지스터 액정표시장치 제조방법.
- 삭제
- 제 1 항에 있어서, 상기 Mo 금속막에 대한 SF6 가스를 이용한 반응성이온식각은 2∼3㎾의 파워로 진행하는 것을 특징으로 하는 박막 트랜지스터 액정표시장치 제조방법.
- 제 1 항에 있어서, 상기 Mo 금속막에 대한 SF6 가스를 이용한 반응성이온식각은 20∼80mtorr의 압력으로 진행하는 것을 특징으로 하는 박막 트랜지스터 액정표시장치 제조방법.
- 제 1 항에 있어서, 상기 Ti 금속막에 대한 BCl3 가스를 이용한 반응성이온식각은 상기 BCl3 가스의 양을 50∼350sccm로 하여 진행하는 것을 특징으로 하는 박막 트랜지스터 액정표시장치 제조방법.
- 제 1 항에 있어서, 상기 Ti 금속막은 300∼1000Å의 두께로 증착하고, 상기 Mo 금속막은 1000∼3000Å의 두께로 증착하는 것을 특징으로 하는 박막 트랜지스터 액정표시장치 제조방법.
Priority Applications (1)
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KR10-2001-0030565A KR100507278B1 (ko) | 2001-05-31 | 2001-05-31 | 박막 트랜지스터 액정표시장치 제조방법 |
Applications Claiming Priority (1)
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KR10-2001-0030565A KR100507278B1 (ko) | 2001-05-31 | 2001-05-31 | 박막 트랜지스터 액정표시장치 제조방법 |
Publications (2)
Publication Number | Publication Date |
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KR20020091696A KR20020091696A (ko) | 2002-12-06 |
KR100507278B1 true KR100507278B1 (ko) | 2005-08-09 |
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KR10-2001-0030565A KR100507278B1 (ko) | 2001-05-31 | 2001-05-31 | 박막 트랜지스터 액정표시장치 제조방법 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10135465A (ja) * | 1996-10-29 | 1998-05-22 | Matsushita Electric Ind Co Ltd | 薄膜トランジスタ及びその製造方法 |
KR20000052080A (ko) * | 1999-01-29 | 2000-08-16 | 윤종용 | 액티브 메트릭스 기판 제조방법 및 이에 의해 제조되는 게이트 |
KR20000072230A (ko) * | 2000-08-19 | 2000-12-05 | 장진 | 액정디스플레이용 비정질 실리콘 박막 트랜지스터 제조 방법 |
KR20010006970A (ko) * | 1999-04-12 | 2001-01-26 | 야마자끼 순페이 | 반도체 장치 및 그의 제작방법 |
-
2001
- 2001-05-31 KR KR10-2001-0030565A patent/KR100507278B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10135465A (ja) * | 1996-10-29 | 1998-05-22 | Matsushita Electric Ind Co Ltd | 薄膜トランジスタ及びその製造方法 |
KR20000052080A (ko) * | 1999-01-29 | 2000-08-16 | 윤종용 | 액티브 메트릭스 기판 제조방법 및 이에 의해 제조되는 게이트 |
KR20010006970A (ko) * | 1999-04-12 | 2001-01-26 | 야마자끼 순페이 | 반도체 장치 및 그의 제작방법 |
KR20000072230A (ko) * | 2000-08-19 | 2000-12-05 | 장진 | 액정디스플레이용 비정질 실리콘 박막 트랜지스터 제조 방법 |
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KR20020091696A (ko) | 2002-12-06 |
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