KR20020078499A - 박막 트랜지스터 액정표시장치 제조방법 - Google Patents
박막 트랜지스터 액정표시장치 제조방법 Download PDFInfo
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- KR20020078499A KR20020078499A KR1020010017619A KR20010017619A KR20020078499A KR 20020078499 A KR20020078499 A KR 20020078499A KR 1020010017619 A KR1020010017619 A KR 1020010017619A KR 20010017619 A KR20010017619 A KR 20010017619A KR 20020078499 A KR20020078499 A KR 20020078499A
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- Prior art keywords
- substrate
- gas
- gate
- thin film
- film transistor
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 33
- 239000010409 thin film Substances 0.000 title claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 229910052751 metal Inorganic materials 0.000 claims abstract description 66
- 239000002184 metal Substances 0.000 claims abstract description 66
- 239000010408 film Substances 0.000 claims abstract description 63
- 239000000758 substrate Substances 0.000 claims abstract description 35
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000011737 fluorine Substances 0.000 claims abstract description 17
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 17
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 16
- 229910021417 amorphous silicon Inorganic materials 0.000 claims abstract description 13
- 238000005530 etching Methods 0.000 claims abstract description 11
- 238000000151 deposition Methods 0.000 claims abstract description 8
- 239000007789 gas Substances 0.000 claims description 38
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 20
- 229910052786 argon Inorganic materials 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 229910052709 silver Inorganic materials 0.000 claims description 7
- 229910052779 Neodymium Inorganic materials 0.000 claims description 6
- 229910052804 chromium Inorganic materials 0.000 claims description 6
- 229910052732 germanium Inorganic materials 0.000 claims description 6
- 229910052737 gold Inorganic materials 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 229910052749 magnesium Inorganic materials 0.000 claims description 6
- 229910052748 manganese Inorganic materials 0.000 claims description 6
- 229910052750 molybdenum Inorganic materials 0.000 claims description 6
- 229910052759 nickel Inorganic materials 0.000 claims description 6
- 229910052763 palladium Inorganic materials 0.000 claims description 6
- 238000009832 plasma treatment Methods 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 229910052715 tantalum Inorganic materials 0.000 claims description 6
- 229910052719 titanium Inorganic materials 0.000 claims description 6
- 229910052721 tungsten Inorganic materials 0.000 claims description 6
- 229910052720 vanadium Inorganic materials 0.000 claims description 6
- 229910052727 yttrium Inorganic materials 0.000 claims description 6
- 229910052725 zinc Inorganic materials 0.000 claims description 6
- 230000003647 oxidation Effects 0.000 claims description 5
- 238000007254 oxidation reaction Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000010410 layer Substances 0.000 claims 5
- 239000011241 protective layer Substances 0.000 claims 1
- 238000010301 surface-oxidation reaction Methods 0.000 abstract description 5
- 238000005406 washing Methods 0.000 abstract description 4
- 230000009977 dual effect Effects 0.000 abstract 1
- 239000010949 copper Substances 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 4
- 239000011701 zinc Substances 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000002161 passivation Methods 0.000 description 2
- 229910018085 Al-F Inorganic materials 0.000 description 1
- 229910018179 Al—F Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 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
- G02F1/136—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
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
-
- 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
-
- 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
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13458—Terminal pads
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Mathematical Physics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Ceramic Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Computer Hardware Design (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Thin Film Transistor (AREA)
Abstract
Description
Claims (12)
- 투명성 절연 기판 상에 아르곤 가스와 플루오린 계열 가스를 주입한 챔버내에서 AL계 금속막을 증착하고, 식각하여 게이트 전극과 게이트 버스 라인을 형성하는 단계;상기 게이트 전극이 형성된 기판을 B.O.E 용액에서 세정하고, 350℃에서 열처리를 거친 후, 게이트 전극이 형성된 기판의 전영역 상에 게이트 이중 절연막, 비정질 실리콘막, 도핑된 비정질 실리콘막을 차례로 증착하고, 식각하여 엑티브층을 형성하는 단계;상기 엑티브층이 형성된 기판의 전영역 상에 아르곤 가스와 플루오린 계열 가스를 주입한 챔버내에서 AL계 금속막을 증착하고, 식각하여 소오스/드레인 전극, 채널층, 오믹 콘택층 및 데이터 버스 라인을 형성하는 단계;상기 소오스/드레인 전극이 형성된 기판을 B.O.E 용액에서 세정하고, 290℃의 온도로 열처리를 거친 후, 상기 소오스/드레인 전극이 형성된 기판의 전영역 상에 보호막을 도포하고, 식각하여 상기 드레인 전극 상에 콘택홀을 형성하고, 상기 게이트 버스 라인과 데이터 버스 라인의 일부를 오픈 시켜 게이트 패드부와 데이터 패드부를 형성하는 단게; 및상기 보호막이 도포된 기판의 전영역 상에 ITO금속막 혹은 IZO 금속막을 증착하고, 200~280℃의 온도로 열처리를 거친후, 식각하여 화소 전극을 형성하는 것을 특징으로 하는 박막 트랜지스터 액정표시장치 제조방법.
- 제 1항에 있어서,상기 플루오린계 가스는 SF3, NF3, CHF3의 성분을 갖는 기체인 것을 특징으로 하는 박막 트랜지스터 액정표시장치 제조방법.
- 제 1항에 있어서,상기 AL계 금속은 AL 금속에 Ti, Nd, Fe, Si, Cu, Ta, Co, Ni, Mg, Y, V, Cr, Mo, W, Mn, Pd, Ag, Au, Zn, Ge 금속중 어느 하나 또는 두개를 첨가한 것을 특징으로 하는 박막 트랜지스터 액정표시장치 제조방법.
- 제 3항에 있어서,상기 첨가한 Ti, Nd, Fe, Si, Cu, Ta, Co, Ni, Mg, Y, V, Cr, Mo, W, Mn, Pd, Ag, Au, Zn, Ge금속의 양은 10at%이하인 것을 특징으로 하는 박막 트랜지스터 액정표시장치 제조방법.
- 제 1항에 있어서,상기 아르곤 가스와 플루오린 가스가 주입된 챔버내의 기체 압력은 0.1~0.9Pa인 것을 특징으로 하는 박막 트랜지스터 액정표시장치 제조방법.
- 제 5항에 있어서,상기 주입된 아르곤 가스의 양은 10~100sccm이고, 상기 주입된 플루오린 가스의 양은 100~1000sccm인 것을 특징으로 하는 박막 트랜지스터 액정표시장치 제조방법.
- 제 1항에 있어서,상기 B.O.E 용액에 넣는 공정을 생략할 수 있는 것을 특징으로 하는 박막 트랜지스터 액정표시장치 제조방법.
- 제 1항에 있어서,상기 게이트 전극과 소오스/드레인 전극의 열처리 시간은 20분~30분 정도인 것을 특징으로 하는 박막 트랜지스터 액정표시장치 제조방법.
- 제 1항에 있어서,상기 B.O.E 용액에 넣는 시간은 5초~15분 정도인 것을 특징으로 하는 박막 트랜지스터 액정표시장치 제조방법.
- 제 1항에 있어서,상기 ITO 금속막과 IZO 금속막은 결정질 혹은 비정질중 어느하나를 선택하여 사용할 수 있고, 그 두께는 100~1000Å정도인 것을 특징으로 하는 박막 트랜지스터액정표시장치 제조방법.
- 제 1항에 있어서,상기 보호막의 콘택홀과 패드부 상에 노출된 AL계 금속막의 산화를 방지하기위하여 SF6, H2, N2기체로 플라즈마 처리 공정을 하거나, B.O.E 용액에서 세정 공정을 하는 것을 특징으로 하는 박막 트랜지스터 액정표시장치 제조방법.
- 제 1항에 있어서,상기 SF6 기체 대신에 N2또는 H2기체를 사용할 수 있는 것을 특징으로 하는 박막 트랜지스터 액정표시장치 제조방법.
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KR10-2001-0017619A KR100471395B1 (ko) | 2001-04-03 | 2001-04-03 | 박막 트랜지스터 액정표시장치 제조방법 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100507281B1 (ko) * | 2001-12-31 | 2005-08-09 | 비오이 하이디스 테크놀로지 주식회사 | 액정표시장치의 비아홀 형성 방법 |
US7563627B2 (en) | 2003-10-30 | 2009-07-21 | Lg Display Co., Ltd. | Method of manufacturing thin film transistor array substrate |
CN111736396A (zh) * | 2020-07-06 | 2020-10-02 | 京东方科技集团股份有限公司 | 一种显示面板、其制作方法及显示装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR970006933B1 (ko) * | 1994-06-01 | 1997-04-30 | 현대전자산업 주식회사 | 반도체 소자의 도전층 제조방법 |
KR100323444B1 (en) * | 1994-07-18 | 2002-05-13 | Hynix Semiconductor Inc | Method for fabricating metal interconnection of semiconductor device |
KR980005575A (ko) * | 1996-06-28 | 1998-03-30 | 김주용 | 반도체 소자의 플러그(Plug) 형성방법 |
KR19980038884A (ko) * | 1996-11-27 | 1998-08-17 | 김영환 | 반도체소자의 제조방법 |
KR19980060585A (ko) * | 1996-12-31 | 1998-10-07 | 김영환 | 금속배선 형성방법 |
KR100364832B1 (ko) * | 2000-05-18 | 2002-12-16 | 엘지.필립스 엘시디 주식회사 | 액정 표시장치 제조방법 |
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- 2001-04-03 KR KR10-2001-0017619A patent/KR100471395B1/ko active IP Right Grant
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100507281B1 (ko) * | 2001-12-31 | 2005-08-09 | 비오이 하이디스 테크놀로지 주식회사 | 액정표시장치의 비아홀 형성 방법 |
US7563627B2 (en) | 2003-10-30 | 2009-07-21 | Lg Display Co., Ltd. | Method of manufacturing thin film transistor array substrate |
CN111736396A (zh) * | 2020-07-06 | 2020-10-02 | 京东方科技集团股份有限公司 | 一种显示面板、其制作方法及显示装置 |
CN111736396B (zh) * | 2020-07-06 | 2023-07-04 | 京东方科技集团股份有限公司 | 一种显示面板、其制作方法及显示装置 |
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