KR20060033333A - 박막트랜지스터 액정표시장치의 에칭 조성물 - Google Patents
박막트랜지스터 액정표시장치의 에칭 조성물 Download PDFInfo
- Publication number
- KR20060033333A KR20060033333A KR1020040082377A KR20040082377A KR20060033333A KR 20060033333 A KR20060033333 A KR 20060033333A KR 1020040082377 A KR1020040082377 A KR 1020040082377A KR 20040082377 A KR20040082377 A KR 20040082377A KR 20060033333 A KR20060033333 A KR 20060033333A
- Authority
- KR
- South Korea
- Prior art keywords
- etching
- thin film
- film transistor
- liquid crystal
- crystal display
- 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.)
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K13/00—Etching, surface-brightening or pickling compositions
- C09K13/04—Etching, surface-brightening or pickling compositions containing an inorganic acid
- C09K13/08—Etching, surface-brightening or pickling compositions containing an inorganic acid containing a fluorine compound
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K13/00—Etching, surface-brightening or pickling compositions
- C09K13/04—Etching, surface-brightening or pickling compositions containing an inorganic acid
-
- 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
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- 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
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
- H01L21/30604—Chemical etching
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- 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
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3105—After-treatment
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31105—Etching inorganic layers
- H01L21/31111—Etching inorganic layers by chemical means
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
- C11D2111/10—Objects to be cleaned
- C11D2111/14—Hard surfaces
- C11D2111/22—Electronic devices, e.g. PCBs or semiconductors
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- General Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Nonlinear Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mathematical Physics (AREA)
- Optics & Photonics (AREA)
- Weting (AREA)
- Thin Film Transistor (AREA)
- Electrodes Of Semiconductors (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Liquid Crystal (AREA)
- ing And Chemical Polishing (AREA)
Abstract
Description
| 구분 | 실시예 | 비교예 | ||||
| 1 | 2 | 3 | 1 | 2 | 3 | |
| 질산 | 15 | 15 | 20 | 15 | 3 | 20 |
| 초산 | 10 | 15 | 10 | 10 | 15 | 3 |
| 플루오로염 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |
| 인산염 | 3 | 3 | 5 | - | 3 | 5 |
| 산화보조제 | 3 | 8 | 8 | 3 | 8 | 8 |
| 물 | 100 중량% 까지 | |||||
| 구분 | 실시예 | 비교예 | ||||
| 1 | 2 | 3 | 1 | 2 | 3 | |
| 성능 | ○ | ○ | ○ | × | × | × |
| [주] ○(양호): Mo/Al-Nd 이중막에서 하부막인 Al-Nd의 인더컷 현상이 없고, Mo 단일막에서 우수한 프로파일을 형성 ITO 단일막에서 우수한 프로파일 형성 ×(불량): Mo/Al-Nd 이중막에서 하부막인 Al-Nd의 인더컷 현상 발생, Mo 단일막에서 불량한 프로파일을 형성 ITO 단일막에서 불량한 프로파일 형성 | ||||||
Claims (8)
- a) 질산 5 내지 20 중량%;b) 초산 5 내지 20 중량%;c) 플루오로염 0.01 내지 2 중량%;d) 인산염 1 내지 10 중량%;e) 산화보조제 1 내지 10 중량%; 및f) 잔량의 물을 포함하는 박막트랜지스터 액정표시장치의 에칭 조성물.
- 제1항에 있어서,상기 박막트랜지스터 액정표시장치가 TFT LCD의 화소전극(ITO 단일막)인 것인 박막트랜지스터 액정표시장치의 에칭 조성물.
- 제1항에 있어서,상기 박막트랜지스터 액정표시장치가 TFT LCD의 소스/드레인(source/drain)막(Mo 단일막)인 것인 박막트랜지스터 액정표시장치의 에칭 조성물.
- 제1항에 있어서,상기 박막트랜지스터 액정표시장치가 TFT LCD의 게이트막(Mo/Al-Nd 이중막) 인 것인 박막트랜지스터 액정표시장치의 에칭 조성물.
- 제1항에 있어서,상기 c) 플루오로염은 NaF, NaHF2, NH4F, NH4HF2, NH 4BF4, NH4F-HF, KF, KHF2, AlF3, HBF4, LiF, KBF4 및 CaF2로 이루어지는 군으로부터 1종 이상 선택되는 것인 박막트랜지스터 액정표시장치의 에칭 조성물.
- 제1항에 있어서,상기 d) 인산염은 H3PO4, NaH2PO4, Na2HPO 4, Na3PO4, NH4H2PO4,(NH4 )2HPO4, (NH4)3PO4, KH2PO4, K2HPO4 , K3PO4, Ca(H2PO4)2, Ca2HPO 4, 및 Ca3PO4로 이루어지는 군으로부터 1종 이상 선택되는 것인 박막트랜지스터 액정표시장치의 에칭 조성물.
- 제1항에 있어서,상기 e) 산화보조제는 CAN(Ceric ammonium nitrate), H2O2, H2SO 4 및 HClO4로 이루어지는 군으로부터 1종 이상 선택되는 것인 박막트랜지스터 액정표시장치의 에칭 조성물.
- 제1항 내지 제7항 중 어느 한 항의 에칭 조성물로 에칭하는 단계를 포함하는 박막트랜지스터 액정표시장치의 제조방법.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020040082377A KR101247246B1 (ko) | 2004-10-14 | 2004-10-14 | 박막트랜지스터 액정표시장치의 에칭 조성물 |
| TW094133526A TWI380451B (en) | 2004-10-14 | 2005-09-27 | Etching composition for tft lcd |
| CNB2005101128499A CN100470345C (zh) | 2004-10-14 | 2005-10-14 | 薄膜晶体管液晶显示器的蚀刻组合物 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020040082377A KR101247246B1 (ko) | 2004-10-14 | 2004-10-14 | 박막트랜지스터 액정표시장치의 에칭 조성물 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20060033333A true KR20060033333A (ko) | 2006-04-19 |
| KR101247246B1 KR101247246B1 (ko) | 2013-03-25 |
Family
ID=36706862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020040082377A Expired - Lifetime KR101247246B1 (ko) | 2004-10-14 | 2004-10-14 | 박막트랜지스터 액정표시장치의 에칭 조성물 |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR101247246B1 (ko) |
| CN (1) | CN100470345C (ko) |
| TW (1) | TWI380451B (ko) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009072810A3 (en) * | 2007-12-04 | 2009-09-03 | Chemtronics Co., Ltd. | Etchant composition for glass substrate |
| KR101356907B1 (ko) * | 2008-01-24 | 2014-01-29 | 동우 화인켐 주식회사 | 평판표시장치의 제조방법, 및 상기 방법에 이용되는 식각액조성물 |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101792907A (zh) * | 2010-04-01 | 2010-08-04 | 江阴市江化微电子材料有限公司 | 一种铝钼蚀刻液 |
| CN113322072B (zh) * | 2021-06-25 | 2022-06-03 | 江阴润玛电子材料股份有限公司 | 一种兼容性ito蚀刻液及制备方法 |
| EP4345910B1 (en) | 2021-08-31 | 2025-08-27 | BOE Technology Group Co., Ltd. | Metal oxide thin-film transistor and manufacturing method therefor, display panel and display apparatus |
| CN116040951B (zh) * | 2021-10-28 | 2024-06-18 | 比亚迪股份有限公司 | 玻璃刻蚀液及其制备方法和条纹玻璃及其生产方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100321227B1 (ko) * | 2000-03-18 | 2004-09-07 | 테크노세미켐 주식회사 | 액정표시장치의전극용식각액 |
| KR100505328B1 (ko) * | 2002-12-12 | 2005-07-29 | 엘지.필립스 엘시디 주식회사 | 구리 몰리브덴막에서 몰리브덴 잔사를 제거할 수 있는식각용액 및 그 식각 방법 |
-
2004
- 2004-10-14 KR KR1020040082377A patent/KR101247246B1/ko not_active Expired - Lifetime
-
2005
- 2005-09-27 TW TW094133526A patent/TWI380451B/zh not_active IP Right Cessation
- 2005-10-14 CN CNB2005101128499A patent/CN100470345C/zh not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009072810A3 (en) * | 2007-12-04 | 2009-09-03 | Chemtronics Co., Ltd. | Etchant composition for glass substrate |
| KR101356907B1 (ko) * | 2008-01-24 | 2014-01-29 | 동우 화인켐 주식회사 | 평판표시장치의 제조방법, 및 상기 방법에 이용되는 식각액조성물 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100470345C (zh) | 2009-03-18 |
| TWI380451B (en) | 2012-12-21 |
| CN1760743A (zh) | 2006-04-19 |
| TW200616234A (en) | 2006-05-16 |
| KR101247246B1 (ko) | 2013-03-25 |
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