KR20030058789A - 구리 또는 구리/티타늄 식각액 - Google Patents
구리 또는 구리/티타늄 식각액 Download PDFInfo
- Publication number
- KR20030058789A KR20030058789A KR1020010089324A KR20010089324A KR20030058789A KR 20030058789 A KR20030058789 A KR 20030058789A KR 1020010089324 A KR1020010089324 A KR 1020010089324A KR 20010089324 A KR20010089324 A KR 20010089324A KR 20030058789 A KR20030058789 A KR 20030058789A
- Authority
- KR
- South Korea
- Prior art keywords
- copper
- etching
- titanium
- etchant
- etching solution
- Prior art date
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- 238000005530 etching Methods 0.000 title claims abstract description 77
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 75
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 26
- 239000002184 metal Substances 0.000 title claims abstract description 26
- 239000010949 copper Substances 0.000 claims abstract description 86
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 73
- 239000010936 titanium Substances 0.000 claims abstract description 52
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 47
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 46
- 239000010410 layer Substances 0.000 claims abstract description 37
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims abstract description 36
- DDFHBQSCUXNBSA-UHFFFAOYSA-N 5-(5-carboxythiophen-2-yl)thiophene-2-carboxylic acid Chemical compound S1C(C(=O)O)=CC=C1C1=CC=C(C(O)=O)S1 DDFHBQSCUXNBSA-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000007800 oxidant agent Substances 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000002356 single layer Substances 0.000 claims abstract description 5
- 239000003638 chemical reducing agent Substances 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 20
- 239000004973 liquid crystal related substance Substances 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 11
- 238000001039 wet etching Methods 0.000 claims description 9
- 150000003872 salicylic acid derivatives Chemical class 0.000 claims description 7
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims description 5
- 239000002249 anxiolytic agent Substances 0.000 claims 1
- IUYOGGFTLHZHEG-UHFFFAOYSA-N copper titanium Chemical compound [Ti].[Cu] IUYOGGFTLHZHEG-UHFFFAOYSA-N 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 abstract description 3
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 abstract 2
- 230000002950 deficient Effects 0.000 abstract 1
- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 abstract 1
- VBKNTGMWIPUCRF-UHFFFAOYSA-M potassium;fluoride;hydrofluoride Chemical compound F.[F-].[K+] VBKNTGMWIPUCRF-UHFFFAOYSA-M 0.000 abstract 1
- 229960004889 salicylic acid Drugs 0.000 abstract 1
- 239000000758 substrate Substances 0.000 description 26
- 239000010408 film Substances 0.000 description 20
- 239000000243 solution Substances 0.000 description 19
- 239000011521 glass Substances 0.000 description 17
- 230000008859 change Effects 0.000 description 11
- 229920002120 photoresistant polymer Polymers 0.000 description 11
- 230000008569 process Effects 0.000 description 11
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 7
- 229910001431 copper ion Inorganic materials 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000000635 electron micrograph Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 150000002222 fluorine compounds Chemical class 0.000 description 3
- 239000003112 inhibitor Substances 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 229910021417 amorphous silicon Inorganic materials 0.000 description 2
- UMIVXZPTRXBADB-UHFFFAOYSA-N benzocyclobutene Chemical compound C1=CC=C2CCC2=C1 UMIVXZPTRXBADB-UHFFFAOYSA-N 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 229940058287 salicylic acid derivative anticestodals Drugs 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
- 229910001428 transition metal ion Inorganic materials 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 208000035404 Autolysis Diseases 0.000 description 1
- 206010057248 Cell death Diseases 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 229910017855 NH 4 F Inorganic materials 0.000 description 1
- -1 acryl Chemical group 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002221 fluorine Chemical class 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- QPJSUIGXIBEQAC-UHFFFAOYSA-N n-(2,4-dichloro-5-propan-2-yloxyphenyl)acetamide Chemical compound CC(C)OC1=CC(NC(C)=O)=C(Cl)C=C1Cl QPJSUIGXIBEQAC-UHFFFAOYSA-N 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 230000028043 self proteolysis Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 230000000007 visual effect Effects 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
-
- 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
-
- 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
- C23F1/18—Acidic compositions for etching copper or alloys thereof
-
- 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
- C23F1/26—Acidic compositions for etching refractory metals
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S436/00—Chemistry: analytical and immunological testing
- Y10S436/80—Fluorescent dyes, e.g. rhodamine
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Mechanical Engineering (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Nonlinear Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Weting (AREA)
- ing And Chemical Polishing (AREA)
- Thin Film Transistor (AREA)
Abstract
Description
Claims (10)
- 액정표시장치의 TFT를 구성하는 게이트, 소스 및 드레인 전극인 구리 단일막또는 구리/티타늄 이중막을 습식식각하는 식각액에 있어서,옥손 + 불화물 + 환원제 또는 약산화제 + 식각 속도 완화제 + KHF2+ 물로 이루어진 구리와 구리/티타늄 금속막의 식각액.
- 제 1 항에 있어서,상기 옥손의 조성비율은 3 ~ 5 wt%인 구리와 구리 티타늄 금속막의 시각액.
- 제 1 항에 있어서,상기 불화물은 불산과 불화 암모늄인 구리와 구리/티타늄 금속막의 식각액.
- 제 3 항에 있어서,상기 불화물은 0.1∼0.3wt%이고 상기 불화 암모늄은 0∼0.1wt%인 구리와 구리/티타늄 금속막의 식각액.
- 제 1 항에 있어서,상기 약산화제는 (NH4)2S2O8인 구리와 구리/티타늄 식각액.
- 제 5항에 있어서,상기 약산화제는 0.1∼1wt%인 구리와 구리/티타늄 금속막의 식각액.
- 제 1 항에 있어서,상기 환원제는 Na2SO3,K2SO3,(NH4)2SO3중 선택된 하나인 구리와 구리/티타늄 식각액.
- 제 7 항에 있어서,상기 환원제는 0.1∼1wt%인 구리와 구리/티타늄 금속막의 식각액.
- 제 1 항에 있어서,상기 식각 속도 완화제는 살리실산 유도체인 구리와 구리/티타늄 금속막의 식각액.
- 제 9 항에 있어서,상기 식각속도 완화제는 0.01∼0.2wt%인 구리와 구리/티타늄 금속막의 식각액.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0089324A KR100456373B1 (ko) | 2001-12-31 | 2001-12-31 | 구리 또는 구리/티타늄 식각액 |
US10/331,726 US6881679B2 (en) | 2001-12-31 | 2002-12-31 | Etching solution for etching Cu and Cu/Ti metal layer of liquid crystal display device and method of fabricating the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0089324A KR100456373B1 (ko) | 2001-12-31 | 2001-12-31 | 구리 또는 구리/티타늄 식각액 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030058789A true KR20030058789A (ko) | 2003-07-07 |
KR100456373B1 KR100456373B1 (ko) | 2004-11-09 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2001-0089324A KR100456373B1 (ko) | 2001-12-31 | 2001-12-31 | 구리 또는 구리/티타늄 식각액 |
Country Status (2)
Country | Link |
---|---|
US (1) | US6881679B2 (ko) |
KR (1) | KR100456373B1 (ko) |
Cited By (4)
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KR20100110745A (ko) * | 2009-04-03 | 2010-10-13 | 동우 화인켐 주식회사 | 식각액 조성물 및 방법 |
WO2011062400A2 (ko) * | 2009-11-17 | 2011-05-26 | 동우 화인켐 주식회사 | 액정표시장치용 어레이 기판의 제조 방법 |
US8894876B2 (en) | 2010-04-20 | 2014-11-25 | Samsung Display Co., Ltd. | Etchant for electrode and method of fabricating thin film transistor array panel using the same |
US9868902B2 (en) | 2014-07-17 | 2018-01-16 | Soulbrain Co., Ltd. | Composition for etching |
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KR100904524B1 (ko) * | 2002-12-31 | 2009-06-25 | 엘지디스플레이 주식회사 | 액정표시장치용 어레이기판 제조방법 |
US7100270B2 (en) * | 2003-09-25 | 2006-09-05 | Tong Hsing Electric Industries Ltd. | Method of fabricating a thin film integrated circuit with thick film resistors |
KR101337263B1 (ko) | 2004-08-25 | 2013-12-05 | 동우 화인켐 주식회사 | 인듐 산화막의 식각액 조성물 및 이를 이용한 식각 방법 |
US20080119056A1 (en) * | 2006-11-16 | 2008-05-22 | International Business Machines Corporation | Method for improved copper layer etching of wafers with c4 connection structures |
CN100466182C (zh) * | 2007-01-04 | 2009-03-04 | 北京京东方光电科技有限公司 | 金属导线、电极及薄膜晶体管阵列基板的制造方法 |
WO2008098593A1 (en) * | 2007-02-15 | 2008-08-21 | Basf Se | Titanium etchant composition |
KR100839428B1 (ko) * | 2007-05-17 | 2008-06-19 | 삼성에스디아이 주식회사 | 식각액, 및 이를 이용한 박막트랜지스터를 갖는 기판의제조 방법 |
TWI348766B (en) * | 2007-10-04 | 2011-09-11 | Taiwan Tft Lcd Ass | Method of fabricating thin film transistor |
JP5442234B2 (ja) | 2008-10-24 | 2014-03-12 | 株式会社半導体エネルギー研究所 | 半導体装置及び表示装置 |
KR101048996B1 (ko) * | 2009-01-12 | 2011-07-12 | 삼성모바일디스플레이주식회사 | 박막 트랜지스터 및 그를 구비하는 평판 표시 장치 |
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JP2011151194A (ja) * | 2010-01-21 | 2011-08-04 | Hitachi Displays Ltd | 液晶表示装置及びその製造方法 |
KR101608873B1 (ko) | 2010-03-18 | 2016-04-05 | 삼성디스플레이 주식회사 | 금속 배선 식각액 및 이를 이용한 금속 배선 형성 방법 |
US8558960B2 (en) | 2010-09-13 | 2013-10-15 | Semiconductor Energy Laboratory Co., Ltd. | Liquid crystal display device and method for manufacturing the same |
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KR100596468B1 (ko) * | 1999-07-28 | 2006-07-03 | 엘지.필립스 엘시디 주식회사 | 박막트랜지스터의 게이트전극 및 그 제조방법 |
JP4239127B2 (ja) * | 2000-03-09 | 2009-03-18 | エルジー ディスプレイ カンパニー リミテッド | 銅のエッチング剤、これを用いた電子機器用基板の製造方法および電子機器 |
KR100396695B1 (ko) * | 2000-11-01 | 2003-09-02 | 엘지.필립스 엘시디 주식회사 | 에천트 및 이를 이용한 전자기기용 기판의 제조방법 |
-
2001
- 2001-12-31 KR KR10-2001-0089324A patent/KR100456373B1/ko active IP Right Grant
-
2002
- 2002-12-31 US US10/331,726 patent/US6881679B2/en not_active Expired - Lifetime
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20100110745A (ko) * | 2009-04-03 | 2010-10-13 | 동우 화인켐 주식회사 | 식각액 조성물 및 방법 |
WO2011062400A2 (ko) * | 2009-11-17 | 2011-05-26 | 동우 화인켐 주식회사 | 액정표시장치용 어레이 기판의 제조 방법 |
WO2011062400A3 (ko) * | 2009-11-17 | 2011-09-09 | 동우 화인켐 주식회사 | 액정표시장치용 어레이 기판의 제조 방법 |
US8894876B2 (en) | 2010-04-20 | 2014-11-25 | Samsung Display Co., Ltd. | Etchant for electrode and method of fabricating thin film transistor array panel using the same |
US9868902B2 (en) | 2014-07-17 | 2018-01-16 | Soulbrain Co., Ltd. | Composition for etching |
US10465112B2 (en) | 2014-07-17 | 2019-11-05 | Soulbrain Co., Ltd. | Composition for etching |
Also Published As
Publication number | Publication date |
---|---|
KR100456373B1 (ko) | 2004-11-09 |
US6881679B2 (en) | 2005-04-19 |
US20030124851A1 (en) | 2003-07-03 |
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