KR20020002655A - 박막 트랜지스터 액정표시 소자의 제조방법 - Google Patents
박막 트랜지스터 액정표시 소자의 제조방법 Download PDFInfo
- Publication number
- KR20020002655A KR20020002655A KR1020000036892A KR20000036892A KR20020002655A KR 20020002655 A KR20020002655 A KR 20020002655A KR 1020000036892 A KR1020000036892 A KR 1020000036892A KR 20000036892 A KR20000036892 A KR 20000036892A KR 20020002655 A KR20020002655 A KR 20020002655A
- Authority
- KR
- South Korea
- Prior art keywords
- film
- source
- ito
- layer
- depositing
- 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.)
- Ceased
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 239000010408 film Substances 0.000 claims abstract description 101
- 239000002184 metal Substances 0.000 claims abstract description 37
- 229910052751 metal Inorganic materials 0.000 claims abstract description 37
- 238000000151 deposition Methods 0.000 claims abstract description 18
- 239000000758 substrate Substances 0.000 claims abstract description 15
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 14
- 239000010409 thin film Substances 0.000 claims abstract description 13
- 238000002161 passivation Methods 0.000 claims abstract description 12
- 238000005530 etching Methods 0.000 claims abstract description 10
- 239000004065 semiconductor Substances 0.000 claims abstract description 10
- 239000011521 glass Substances 0.000 claims abstract description 6
- 238000011065 in-situ storage Methods 0.000 claims abstract description 6
- 238000000059 patterning Methods 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 16
- 238000004381 surface treatment Methods 0.000 claims description 3
- 230000008021 deposition Effects 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 description 6
- 229910004205 SiNX Inorganic materials 0.000 description 3
- 238000001312 dry etching Methods 0.000 description 3
- 229920002120 photoresistant polymer Polymers 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000001020 plasma etching Methods 0.000 description 1
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
-
- 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
- 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]
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Thin Film Transistor (AREA)
Abstract
Description
Claims (5)
- 유리기판과 같은 투명성 절연기판 상에 게이트 전극을 형성하고, 전체 상부에 게이트 절연막을 증착하는 단계;상기 게이트 절연막 상부에 반도체층을 형성하는 단계;상기 결과물 전면상에 단일, 혹은 적층구조의 소오스/드레인용 금속막을 증착하고, 인-시튜 방식으로 제1 ITO막을 상기 소오스/드레인용 금속막 상부에 연속 증착하는 단계;상기 제1 ITO막을 패터닝하고, 이어서 소오스/드레인용 금속막을 식각하여 소오스/드레인 전극을 형성하는 단계;상기 제1 ITO막을 마스크로 하여 반도체층을 소정부분 식각하여 백 채널을 형성하는 단계;상기 결과물 전면상에 보호막을 증착하고 비아홀을 형성하는 단계; 및상기 비아홀이 매립되도록 화소 전극용 제2 ITO막을 증착하는 것을 포함하여 구성하는 것을 특징으로 하는 박막 트랜지스터의 액정 표시 소자의 제조방법.
- 제 1항에 있어서, 상기 단일 구조의 소오스/드레인용 금속막은 바람직하게 Mo, Cr, 또는 MoW 등으로 형성하며, 적층 구조의 소오스/드레인용 금속막은 Mo/Al/Mo, Cr/Al/Mo, Cr/Al, 또는 Mo/Al 등으로 형성하는 것을 특징으로 하는 박막 트랜지스터의 액정 표시 소자의 제조방법.
- 제 1항에 있어서, 상기 제1 ITO막 형성시, 제1 ITO막 상에 형성되는 자연 산화막을 최소화하고, 제1 ITO막의 형태를 개선하기 위하여, 스퍼터링 방법으로 챔버의 온도를 바람직하게 27℃ ~ 250℃ 범위에서 진행하여 증착하는 것을 특징으로 하는 박막 트랜지스터의 액정 표시 소자의 제조방법.
- 제 3항에 있어서, 상기 제1 ITO막은 백채널 형성시 F-계열 가스에 의해 소오스/드레인 금속막 상부에서 완전히 식각되도록 얇게는 20Å ~ 5000Å 두께로 증착하고, 상기 ITO막 대신 A-ITO막, IXO막으로 변형하여 증착할 수 있는 것을 특징으로 하는 박막 트랜지스터의 액정 표시 소자의 제조방법.
- 제 1항에 있어서, 상기 제1 ITO막과 제2 ITO막과의 접촉 특성을 향상시키기 위해 O3 등으로 표면 처리하는 공정을 더 포함하는 것을 특징으로 하는 박막 트랜지스터의 액정 표시 소자의 제조방법.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020000036892A KR20020002655A (ko) | 2000-06-30 | 2000-06-30 | 박막 트랜지스터 액정표시 소자의 제조방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020000036892A KR20020002655A (ko) | 2000-06-30 | 2000-06-30 | 박막 트랜지스터 액정표시 소자의 제조방법 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20020002655A true KR20020002655A (ko) | 2002-01-10 |
Family
ID=19675191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020000036892A Ceased KR20020002655A (ko) | 2000-06-30 | 2000-06-30 | 박막 트랜지스터 액정표시 소자의 제조방법 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR20020002655A (ko) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100626008B1 (ko) * | 2004-06-30 | 2006-09-20 | 삼성에스디아이 주식회사 | 박막 트랜지스터, 및 이를 구비한 평판표시장치 |
| KR100863727B1 (ko) * | 2002-03-20 | 2008-10-16 | 엘지디스플레이 주식회사 | 횡전계 방식 액정표시장치용 어레이기판과 그 제조방법 |
| US7476896B2 (en) | 2005-04-28 | 2009-01-13 | Samsung Sdi Co., Ltd. | Thin film transistor and method of fabricating the same |
| US8093595B2 (en) | 2003-06-30 | 2012-01-10 | Samsung Electronics Co., Ltd. | Thin film array panel and manufacturing method thereof |
-
2000
- 2000-06-30 KR KR1020000036892A patent/KR20020002655A/ko not_active Ceased
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100863727B1 (ko) * | 2002-03-20 | 2008-10-16 | 엘지디스플레이 주식회사 | 횡전계 방식 액정표시장치용 어레이기판과 그 제조방법 |
| US8093595B2 (en) | 2003-06-30 | 2012-01-10 | Samsung Electronics Co., Ltd. | Thin film array panel and manufacturing method thereof |
| KR100626008B1 (ko) * | 2004-06-30 | 2006-09-20 | 삼성에스디아이 주식회사 | 박막 트랜지스터, 및 이를 구비한 평판표시장치 |
| US7476896B2 (en) | 2005-04-28 | 2009-01-13 | Samsung Sdi Co., Ltd. | Thin film transistor and method of fabricating the same |
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