KR100777701B1 - 배선의 제조 방법 및 이를 이용한 박막 트랜지스터 기판의제조 방법 - Google Patents
배선의 제조 방법 및 이를 이용한 박막 트랜지스터 기판의제조 방법 Download PDFInfo
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- KR100777701B1 KR100777701B1 KR1020010040310A KR20010040310A KR100777701B1 KR 100777701 B1 KR100777701 B1 KR 100777701B1 KR 1020010040310 A KR1020010040310 A KR 1020010040310A KR 20010040310 A KR20010040310 A KR 20010040310A KR 100777701 B1 KR100777701 B1 KR 100777701B1
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 49
- 239000010409 thin film Substances 0.000 title claims abstract description 47
- 239000000758 substrate Substances 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title abstract description 21
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims abstract description 78
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 69
- 239000010408 film Substances 0.000 claims abstract description 63
- 229910001316 Ag alloy Inorganic materials 0.000 claims abstract description 52
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 52
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000004332 silver Substances 0.000 claims abstract description 27
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims abstract description 26
- 229910017604 nitric acid Inorganic materials 0.000 claims abstract description 26
- 229910052709 silver Inorganic materials 0.000 claims abstract description 26
- 239000004065 semiconductor Substances 0.000 claims abstract description 15
- 230000001681 protective effect Effects 0.000 claims abstract description 12
- 239000004020 conductor Substances 0.000 claims description 15
- 238000000059 patterning Methods 0.000 claims description 14
- 229910045601 alloy Inorganic materials 0.000 claims description 10
- 239000000956 alloy Substances 0.000 claims description 10
- 229910052782 aluminium Inorganic materials 0.000 claims description 10
- 238000002161 passivation Methods 0.000 claims description 7
- 229910052684 Cerium Inorganic materials 0.000 claims description 5
- 229910052693 Europium Inorganic materials 0.000 claims description 5
- 229910052779 Neodymium Inorganic materials 0.000 claims description 5
- 229910052781 Neptunium Inorganic materials 0.000 claims description 5
- 229910052778 Plutonium Inorganic materials 0.000 claims description 5
- 229910052772 Samarium Inorganic materials 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 229910052744 lithium Inorganic materials 0.000 claims description 5
- 229910052749 magnesium Inorganic materials 0.000 claims description 5
- 229910052763 palladium Inorganic materials 0.000 claims description 5
- 239000011368 organic material Substances 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 3
- 238000005530 etching Methods 0.000 abstract description 19
- 239000000243 solution Substances 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 31
- 239000004973 liquid crystal related substance Substances 0.000 description 16
- 229910000838 Al alloy Inorganic materials 0.000 description 8
- 229910002668 Pd-Cu Inorganic materials 0.000 description 8
- 229910021417 amorphous silicon Inorganic materials 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 238000000206 photolithography Methods 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000002310 reflectometry Methods 0.000 description 5
- 238000001039 wet etching Methods 0.000 description 4
- 229910052581 Si3N4 Inorganic materials 0.000 description 3
- 238000003475 lamination Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 3
- 229910002056 binary alloy Inorganic materials 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 229910002058 ternary alloy Inorganic materials 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 206010034972 Photosensitivity reaction Diseases 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- GPFIZJURHXINSQ-UHFFFAOYSA-N acetic acid;nitric acid Chemical group CC(O)=O.O[N+]([O-])=O GPFIZJURHXINSQ-UHFFFAOYSA-N 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 230000036211 photosensitivity Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 229910021642 ultra pure water Inorganic materials 0.000 description 1
- 239000012498 ultrapure water 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
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F1/00—Etching metallic material by chemical means
- C23F1/10—Etching compositions
- C23F1/14—Aqueous compositions
- C23F1/16—Acidic compositions
- C23F1/30—Acidic compositions for etching other metallic material
-
- 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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133553—Reflecting elements
-
- 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
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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
- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
- H01L21/321—After treatment
- H01L21/3213—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer
- H01L21/32133—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only
- H01L21/32134—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only by liquid etching only
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/124—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition, shape or layout of the wiring layers specially adapted to the circuit arrangement, e.g. scanning lines in LCD pixel circuits
-
- 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
- G02F1/136295—Materials; Compositions; Manufacture processes
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- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Computer Hardware Design (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Thin Film Transistor (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
Description
Claims (10)
- 은 또는 은 합금으로 이루어진 도전막을 적층하는 단계,질산, 초산, 인산 및 에틸렌글리콜을 포함하는 식각액을 이용하여 상기 도전막을 패터닝하는 단계를 포함하는 배선의 제조 방법.
- 제1항에서,상기 식각액은 10-30% 범위의 인산, 5-15% 범위의 질산, 10-30% 범위의 초산 및 1-10% 범위의 에틸렌글리콜을 포함하는 배선의 제조 방법.
- 제1항에서,상기 은 합금은 은을 기본 물질로 하고, 원자 백분율 0.01∼20 atomic% 미만의 Pd, Cu, Mg, Al, Li, Pu, Np, Ce, Eu, Pr, Ca, La, Nb, Nd 또는 Sm 중 적어도 어느 하나의 합금용 도전 물질을 포함하며, 상기 합금용 도전 물질을 하나 또는 둘 포함하여 2원계 또는 3원계로 이루어진 배선의 제조 방법.
- 절연 기판 위에 게이트선, 상기 게이트선과 연결되어 있는 게이트 전극을 포함하는 게이트 배선을 형성하는 단계,게이트 절연막을 적층하는 단계,반도체층을 형성하는 단계,상기 게이트선과 교차하는 데이터선, 상기 데이터선과 연결되어 있으며 상기 게이트 전극에 인접하는 소스 전극 및 상기 게이트 전극에 대하여 상기 소스 전극의 맞은 편에 위치하는 드레인 전극을 포함하는 데이터 배선을 형성하는 단계,보호막을 적층하는 단계,상기 보호막을 패터닝하여 적어도 상기 드레인 전극을 드러내는 제1 접촉 구멍을 형성하는 단계,상기 보호막의 상부에 은 또는 은 합금의 도전막을 적층하는 단계,질산, 초산, 인산 및 에틸렌글리콜을 포함하는 식각액을 이용하여 상기 도전막을 패터닝하여 상기 제1 접촉 구멍을 통하여 상기 드레인 전극과 연결되는 반사막을 형성하는 단계를 포함하는 박막 트랜지스터 기판의 제조 방법.
- 제4항에서,상기 식각액은 10-30% 범위의 인산, 5-15% 범위의 질산, 10-30% 범위의 초산 및 1-10% 범위의 에틸렌글리콜을 포함하는 배선의 제조 방법.
- 제4항에서,상기 은 합금은 은을 기본 물질로 하고, 원자 백분율 0.01∼20 atomic% 미만의 Pd, Cu, Mg, Al, Li, Pu, Np, Ce, Eu, Pr, Ca, La, Nb, Nd 또는 Sm 중 적어도 어느 하나의 합금용 도전 물질을 포함하며, 상기 합금용 도전 물질을 하나 또는 둘 포함하여 2원계 또는 3원계로 이루어진 박막 트랜지스터 기판의 제조 방법.
- 제4항에서,상기 도전막은 1,000-3,000Å 범위의 두께로 형성하는 박막 트랜지스터 기판의 제조 방법.
- 제4항에서,상기 도전막은 300-600Å 범위의 두께로 형성하는 박막 트랜지스터 기판의 제조 방법.
- 제4항에서,상기 보호막은 감광성 유기 물질로 형성하는 박막 트랜지스터 기판의 제조 방법.
- 제4항에서,상기 게이트 배선은 외부로부터 주사 신호를 전달받아 상기 게이트선으로 전달하는 게이트 패드를 더 포함하며,상기 데이터 배선은 외부로부터 영상 신호를 전달받을 상기 데이터선으로 전달하는 데이터 패드를 더 포함하며,상기 보호막은 상기 데이터 패드 및 상기 게이트 절연막과 함께 상기 게이트 패드를 드러내는 제2 및 제3 접촉 구멍을 가지며,상기 반사막과 동일한 층에 상기 제2 및 제3 접촉 구멍을 통하여 상기 게이트 패드 및 상기 데이터 패드와 전기적으로 연결되는 보조 게이트 패드와 보조 데이터 패드를 더 형성하는 박막 트랜지스터 기판의 제조 방법.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020010040310A KR100777701B1 (ko) | 2001-07-06 | 2001-07-06 | 배선의 제조 방법 및 이를 이용한 박막 트랜지스터 기판의제조 방법 |
CNB028166485A CN100371809C (zh) | 2001-07-06 | 2002-07-03 | 用于线路的蚀刻液、制造线路的方法和包括此方法的制造薄膜晶体管阵列板的方法 |
PCT/KR2002/001260 WO2003005115A1 (en) | 2001-07-06 | 2002-07-03 | An etchant for a wire, a method for manufacturing the wire and a method for manufacturing a thin film transistor array panel including the method |
JP2003511030A JP4668533B2 (ja) | 2001-07-06 | 2002-07-03 | 配線用エッチング液とこれを利用した配線の製造方法及びこれを含む薄膜トランジスタ基板の製造方法 |
TW91115028A TW572996B (en) | 2001-07-06 | 2002-07-05 | An etchant for a wire, a method for manufacturing the wire and a method for manufacturing a thin film transistor array panel including the method |
US10/190,164 US6800564B2 (en) | 2001-07-06 | 2002-07-05 | Etching solution for signal wire and method of fabricating thin film transistor array panel with the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020010040310A KR100777701B1 (ko) | 2001-07-06 | 2001-07-06 | 배선의 제조 방법 및 이를 이용한 박막 트랜지스터 기판의제조 방법 |
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JPH06275829A (ja) * | 1993-03-22 | 1994-09-30 | Semiconductor Energy Lab Co Ltd | 薄膜トランジスタの作製方法 |
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JP2001059191A (ja) * | 1999-06-18 | 2001-03-06 | Furontekku:Kk | エッチング剤及びこれを用いた電子機器用基板の製造方法と電子機器 |
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JPH06275829A (ja) * | 1993-03-22 | 1994-09-30 | Semiconductor Energy Lab Co Ltd | 薄膜トランジスタの作製方法 |
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