KR100707024B1 - 박막트랜지스터 액정표시장치의 어레이 기판 제조방법 - Google Patents
박막트랜지스터 액정표시장치의 어레이 기판 제조방법 Download PDFInfo
- Publication number
- KR100707024B1 KR100707024B1 KR1020030045250A KR20030045250A KR100707024B1 KR 100707024 B1 KR100707024 B1 KR 100707024B1 KR 1020030045250 A KR1020030045250 A KR 1020030045250A KR 20030045250 A KR20030045250 A KR 20030045250A KR 100707024 B1 KR100707024 B1 KR 100707024B1
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- South Korea
- Prior art keywords
- film
- etching
- etching process
- source
- substrate
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- 239000000758 substrate Substances 0.000 title claims abstract description 37
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 239000010409 thin film Substances 0.000 title claims abstract description 17
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 10
- 239000010408 film Substances 0.000 claims abstract description 104
- 238000000034 method Methods 0.000 claims abstract description 67
- 238000005530 etching Methods 0.000 claims abstract description 56
- 229910021417 amorphous silicon Inorganic materials 0.000 claims abstract description 37
- 239000002184 metal Substances 0.000 claims abstract description 26
- 238000001312 dry etching Methods 0.000 claims abstract description 18
- 238000000151 deposition Methods 0.000 claims abstract description 9
- 239000011521 glass Substances 0.000 claims abstract description 6
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 5
- 230000001681 protective effect Effects 0.000 claims description 10
- 238000001020 plasma etching Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 238000002161 passivation Methods 0.000 claims description 2
- 238000000059 patterning Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 14
- 229920002120 photoresistant polymer Polymers 0.000 description 3
- 238000001039 wet etching Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000004380 ashing Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Images
Classifications
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- 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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136286—Wiring, e.g. gate line, drain line
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Thin Film Transistor (AREA)
- Drying Of Semiconductors (AREA)
Abstract
Description
Claims (4)
- 유리기판 상에 게이트 전극을 포함한 게이트 라인을 형성하는 단계;상기 게이트 라인을 덮도록 기판 상에 게이트 절연막, a-Si막, n+ a-Si막 및 Mo막을 차례로 증착하는 단계;상기 Mo막 상에 소오스/드레인 전극을 포함한 데이터 라인 형성 영역을 가리면서 소오스 전극과 드레인 전극 사이의 채널 영역 상에 배치되는 부분의 두께가 상대적으로 얇은 하프톤 마스크를 형성하는 단계;상기 하프톤 마스크를 이용한 건식식각 공정으로 상기 Mo막을 식각하여 데이터 라인을 형성하는 단계;상기 채널 영역 상의 하프톤 마스크 부분을 에슁 공정으로 제거하는 단계; 및상기 기판 결과물에 대해 SF6와 Cl2 가스를 이용한 건식식각 공정으로 상기 n+ a-Si막과 a-Si막을 식각하여 액티브층을 형성하고, 채널부의 Mo막 및 n+ a-Si막을 연속 식각해서 소오스/드레인 전극 및 채널을 형성하여, 박막트랜지스터를 구성하는 단계;를 포함하는 것을 특징으로 하는 박막트랜지스터 액정표시장치의 어레이 기판 제조방법.
- 제 1 항에 있어서,상기 SF6와 Cl2 가스를 이용한 건식식각 공정은 상기 SF6와 Cl2 가스의 조성을 5∼40% 및 60∼95%로 하여 수행하는 것을 특징으로 하는 박막트랜지스터 액정표시장치의 어레이 기판 제조방법.
- 제 1 항에 있어서,상기 SF6와 Cl2 가스를 이용한 건식식각 공정은 반응이온식각(Reactive Ion Etch) 공정으로 수행하는 것을 것을 특징으로 하는 박막트랜지스터 액정표시장치의 어레이 기판 제조방법.
- 제 1 항에 있어서,상기 박막트랜지스터를 구성하는 단계 후,상기 잔류된 하프톤 마스크를 제거하는 단계;상기 단계까지의 기판 결과물 상에 보호막을 증착하는 단계;상기 보호막을 식각하여 소오스/드레인 전극을 노출시키는 비아홀을 형성하는 단계;상기 비아홀을 포함한 보호막 상에 ITO 금속막을 증착하는 단계; 및상기 ITO 금속막을 패터닝하여 화소 전극을 형성하는 단계;를 더 포함하는 것을 특징으로 하는 박막트랜지스터 액정표시장치의 어레이 기판 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030045250A KR100707024B1 (ko) | 2003-07-04 | 2003-07-04 | 박막트랜지스터 액정표시장치의 어레이 기판 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030045250A KR100707024B1 (ko) | 2003-07-04 | 2003-07-04 | 박막트랜지스터 액정표시장치의 어레이 기판 제조방법 |
Publications (2)
Publication Number | Publication Date |
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KR20050003760A KR20050003760A (ko) | 2005-01-12 |
KR100707024B1 true KR100707024B1 (ko) | 2007-04-11 |
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Application Number | Title | Priority Date | Filing Date |
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KR1020030045250A Expired - Lifetime KR100707024B1 (ko) | 2003-07-04 | 2003-07-04 | 박막트랜지스터 액정표시장치의 어레이 기판 제조방법 |
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KR (1) | KR100707024B1 (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101232063B1 (ko) | 2006-08-16 | 2013-02-12 | 삼성디스플레이 주식회사 | 표시 기판의 제조 방법 |
US11380753B2 (en) | 2019-07-09 | 2022-07-05 | Samsung Display Co., Ltd. | Display device |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20070092455A (ko) | 2006-03-10 | 2007-09-13 | 삼성전자주식회사 | 표시 장치 및 그 제조 방법 |
TWI333279B (en) * | 2007-01-02 | 2010-11-11 | Au Optronics Corp | Method for manufacturing an array substrate |
KR100844374B1 (ko) * | 2007-02-28 | 2008-07-07 | (주)아이씨디 | 박막트랜지스터 어레이 제조방법 |
KR100864209B1 (ko) * | 2007-02-28 | 2008-10-17 | (주)아이씨디 | 박막트랜지스터 어레이 제조방법 |
CN113889434B (zh) * | 2021-05-27 | 2024-11-19 | 京东方科技集团股份有限公司 | 阵列基板及其制作方法、液晶显示面板以及显示装置 |
-
2003
- 2003-07-04 KR KR1020030045250A patent/KR100707024B1/ko not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101232063B1 (ko) | 2006-08-16 | 2013-02-12 | 삼성디스플레이 주식회사 | 표시 기판의 제조 방법 |
US11380753B2 (en) | 2019-07-09 | 2022-07-05 | Samsung Display Co., Ltd. | Display device |
Also Published As
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KR20050003760A (ko) | 2005-01-12 |
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