KR100318369B1 - 전극형성방법 - Google Patents
전극형성방법 Download PDFInfo
- Publication number
- KR100318369B1 KR100318369B1 KR1019980055646A KR19980055646A KR100318369B1 KR 100318369 B1 KR100318369 B1 KR 100318369B1 KR 1019980055646 A KR1019980055646 A KR 1019980055646A KR 19980055646 A KR19980055646 A KR 19980055646A KR 100318369 B1 KR100318369 B1 KR 100318369B1
- Authority
- KR
- South Korea
- Prior art keywords
- metal film
- hno
- cooh
- mixed solution
- etching
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000015572 biosynthetic process Effects 0.000 title 1
- 229910052751 metal Inorganic materials 0.000 claims abstract description 70
- 239000002184 metal Substances 0.000 claims abstract description 70
- 125000000896 monocarboxylic acid group Chemical group 0.000 claims abstract description 33
- 238000005530 etching Methods 0.000 claims abstract description 31
- 239000011259 mixed solution Substances 0.000 claims abstract description 30
- 229920002120 photoresistant polymer Polymers 0.000 claims abstract description 21
- 239000000758 substrate Substances 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 239000008367 deionised water Substances 0.000 claims description 17
- 229910021641 deionized water Inorganic materials 0.000 claims description 17
- 239000000243 solution Substances 0.000 claims description 14
- 229910052782 aluminium Inorganic materials 0.000 claims description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 9
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 7
- 229910052750 molybdenum Inorganic materials 0.000 claims description 7
- 239000011733 molybdenum Substances 0.000 claims description 7
- 241001239379 Calophysus macropterus Species 0.000 claims description 4
- 229910001182 Mo alloy Inorganic materials 0.000 claims description 4
- 229910016024 MoTa Inorganic materials 0.000 claims description 4
- 238000007865 diluting Methods 0.000 claims description 3
- 239000010408 film Substances 0.000 description 44
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000012895 dilution Substances 0.000 description 3
- 238000010790 dilution Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000012421 spiking Methods 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- -1 or the like Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000002156 mixing Methods 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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
-
- 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
- C23F1/02—Local etching
-
- 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
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/49—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET
- H01L29/4908—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET for thin film semiconductor, e.g. gate of TFT
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- General Chemical & Material Sciences (AREA)
- Metallurgy (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Computer Hardware Design (AREA)
- Organic Chemistry (AREA)
- Nonlinear Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mathematical Physics (AREA)
- Optics & Photonics (AREA)
- Electrodes Of Semiconductors (AREA)
- Weting (AREA)
- Thin Film Transistor (AREA)
Abstract
Description
Claims (4)
- 기판 상에 제 1 및 제 2 금속막을 형성하는 공정과,상기 금속막 상의 소정 부분에 포토레지스트 패턴을 형성하는 공정과,상기 포토레지스트 패턴을 마스크로 사용하여 상기 제 1 금속막을 제 2 금속막이 노출되도록 H3PO4O+HNO3+CH3COOH+H2O의 혼합 용액과 탈이온수를 1 : 2 이하의 비율로 희석시킨 혼합용액으로 식각하는 공정과,상기 포토레지스트 패턴을 마스크로 사용하여 상기 제 2 금속막의 노출된 부분을 상기 희석된 혼합용액보다 낮은 농도의 H3PO4O+HNO3+CH3COOH+H2O으로 식각하는 공정과, 상기 포토레지스트를 제거하는 공정을 구비하는 전극 형성방법.
- 청구항 1에 있어서, 상기 제 1 금속막을 알루미늄(Al)으로 형성하고 상기 제 2 금속막을 몰리브덴(Mo)또는 MoW, MoTa, MoNb의 몰리브덴 합금으로 형성하는 전극형성방법.
- 청구항 1에 있어서, 상기 제 2 금속막을 H3PO4O+HNO3+CH3COOH+H2O의 혼합 용액을 식각용액만으로 식각하는 전극형성방법.
- 청구항 1에 있어서, 상기 제 2 금속막을 H3PO4O+HNO3+CH3COOH+H2O의 혼합용액과 탈이온수를 1 : 3 이상의 비율로 희석시켜 식각하는 전극 형성방법.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980055646A KR100318369B1 (ko) | 1998-12-17 | 1998-12-17 | 전극형성방법 |
US09/465,401 US6398974B1 (en) | 1998-12-17 | 1999-12-17 | Method of forming an electrode for a thin film transistor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980055646A KR100318369B1 (ko) | 1998-12-17 | 1998-12-17 | 전극형성방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20000040099A KR20000040099A (ko) | 2000-07-05 |
KR100318369B1 true KR100318369B1 (ko) | 2002-08-28 |
Family
ID=19563328
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019980055646A KR100318369B1 (ko) | 1998-12-17 | 1998-12-17 | 전극형성방법 |
Country Status (2)
Country | Link |
---|---|
US (1) | US6398974B1 (ko) |
KR (1) | KR100318369B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7301170B2 (en) | 2004-09-08 | 2007-11-27 | Samsung Electronics Co., Ltd. | Thin film transistor array panel and method for manufacturing the same |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20060064388A (ko) * | 2004-12-08 | 2006-06-13 | 삼성전자주식회사 | 박막 트랜지스터, 이의 제조 방법, 이를 갖는 표시장치 및표시장치의 제조 방법 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3833434A (en) * | 1973-02-20 | 1974-09-03 | Hitachi Ltd | Method of forming multi-layer interconnections |
US4283248A (en) * | 1979-02-01 | 1981-08-11 | Nitto Electric Industrial Co., Ltd. | Etching solution for tin-nickel alloy and process for etching the same |
US5059278A (en) * | 1990-09-28 | 1991-10-22 | Seagate Technology | Selective chemical removal of coil seed-layer in thin film head magnetic transducer |
JP2614403B2 (ja) * | 1993-08-06 | 1997-05-28 | インターナショナル・ビジネス・マシーンズ・コーポレイション | テーパエッチング方法 |
JPH07310191A (ja) * | 1994-05-11 | 1995-11-28 | Semiconductor Energy Lab Co Ltd | エッチング材料およびエッチング方法 |
-
1998
- 1998-12-17 KR KR1019980055646A patent/KR100318369B1/ko not_active IP Right Cessation
-
1999
- 1999-12-17 US US09/465,401 patent/US6398974B1/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7301170B2 (en) | 2004-09-08 | 2007-11-27 | Samsung Electronics Co., Ltd. | Thin film transistor array panel and method for manufacturing the same |
US7550768B2 (en) | 2004-09-08 | 2009-06-23 | Samsung Electronics Co., Ltd. | Thin film transistor array panel and method for manufacturing the same |
US7662715B2 (en) | 2004-09-08 | 2010-02-16 | Samsung Electronics Co., Ltd. | Thin film transistor array panel and method for manufacturing the same |
Also Published As
Publication number | Publication date |
---|---|
KR20000040099A (ko) | 2000-07-05 |
US6398974B1 (en) | 2002-06-04 |
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