KR101236133B1 - 금속 식각액 조성물 - Google Patents
금속 식각액 조성물 Download PDFInfo
- Publication number
- KR101236133B1 KR101236133B1 KR1020040096014A KR20040096014A KR101236133B1 KR 101236133 B1 KR101236133 B1 KR 101236133B1 KR 1020040096014 A KR1020040096014 A KR 1020040096014A KR 20040096014 A KR20040096014 A KR 20040096014A KR 101236133 B1 KR101236133 B1 KR 101236133B1
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- South Korea
- Prior art keywords
- molybdenum
- aluminum
- weight
- etching
- layer
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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
- 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
- C23F1/20—Acidic compositions for etching aluminium 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
- C23F1/30—Acidic compositions for etching other metallic material
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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
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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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- General Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Nonlinear Science (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Optics & Photonics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mathematical Physics (AREA)
- Thin Film Transistor (AREA)
- Weting (AREA)
Abstract
Description
실시예 | 기판 | 조성(중량%) (CAN/질산/NH4F/황산/물) |
평가 | 비고 |
1 | Mo | 1/15/1/0.1/잔량 | ○ | 식각속도 양호함 |
2 | 3/10/0.5/2/잔량 | ○ | 식각속도 양호함 | |
3 | 6/3/0.1/5/잔량 | ○ | 식각속도 양호함 | |
4 | 9/5/0.5/3/잔량 | X | 식각 손실큼 (편측:1 ㎛ 이상) |
|
5 | 3/10/0/3/잔량 | X | 부분적으로 식각안됨 | |
6 | 3/10/0.5/0/잔량 | X | 잔유물 발생 |
실시예 | 기판 | 조성(중량%) (CAN/질산/NH4F/황산/물) |
평가 | 비고 |
7 | Mo/Al-Nd | 1/15/1/0.1/잔량 | ○ | 식각속도 양호함 |
8 | 3/10/0.5/2/잔량 | ○ | 식각속도 양호함 | |
9 | 6/3/0.1/5/잔량 | ○ | 식각속도 양호함 | |
10 | 9/5/0.5/3/잔량 | X | 단차 발생 | |
11 | 3/10/0/3/잔량 | X | 부분적으로 식각안됨 | |
12 | 3/10/0.5/0/잔량 | X | 잔유물 발생 |
실시예 | 기판 | 조성(중량%) (CAN/질산/NH4F/황산/물) |
평가 | 비고 |
13 | 비결정질 ITO막 |
1/15/0.1/잔량 | ○ | 식각속도 양호함 |
14 | 3/10/0.5/2/잔량 | ○ | 식각속도 양호함 | |
15 | 6/3/0.1/5/잔량 | ○ | 식각속도 양호함 | |
16 | 9/5/0.5/3/잔량 | ○ | 식각속도 양호함 | |
17 | 3/10/0/3/잔량 | ○ | 식각속도 양호함 | |
18 | 3/10/0.5/0/잔량 | X | 잔유물 발생 |
비교예 | 기판 | 조성(중량%) (인산/질산/초산) |
평가 | 비고 |
1 | Mo | 72/2/10 | X | 식각속도 조절불가(9초 이내) |
2 | 63/8/10 | O | 식각 양호 | |
3 | Mo/Al-Nd | 72/2/10 | X | 테이퍼 불량 |
4 | 63/8/10 | X | 테이퍼 불량 | |
5 | 비결정질의 ITO막 | 72/2/10 | X | 식각상태 불량 |
6 | 63/8/10 | X | 식각상태 불량 |
Claims (5)
- 알루미늄(또는 알루미늄 합금) 및 몰리브데늄(또는 몰리브데늄 합금)으로 이루어진 군으로부터 선택되는 단일막 또는 다층막 및 산화인듐막에 적용하여 식각할 수 있고 3가 철염을 함유하지 않는 식각액 조성물에 있어서, 전체 조성물 총중량에 대하여 1∼6 중량% 의 4가 세륨 염, 3∼20 중량% 의 질산, 0.1∼5.0 중량% 의 함불소 화합물, 0.1∼5.0 중량% 의 세륨 안정제 및 전체 조성물 총중량이 100 중량% 가 되도록 하는 물을 함유하는 것을 특징으로 하는 식각액 조성물.
- 제 1 항에 있어서, 4가 세륨염이 세릭암모늄나이트레이트(Cerium (IV) Ammonium Nitrate, CAN)임을 특징으로 하는 식각액 조성물.
- 제 1 항에 있어서, 함불소 화합물이 물에 해리되어 F- 를 낼 수 있는 화합물의 형태로 제공되는 것을 특징으로 하는 식각액 조성물.
- 제 2 항에 있어서, 함불소 화합물이 NaF, NaHF2, NH4F, NH4HF2, NH4BF4, NH4F-HF, KF, KHF2, AlF3 및 HBF4 로 이루어진 군으로부터 선택되는 것을 특징으로 하는 식각액 조성물.
- 제 1 항에 있어서, 세륨 안정제가 아황산가스(SO2), 3산화황(SO3), 아황산(H2SO3), 황산(H2SO4), 황산구리(CuSO4), 황산칼슘(CaSO4) 및 황산마그네슘(MgSO4)으로 이루어진 군으로부터 선택되는 것을 특징으로 하는 식각액 조성물.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040096014A KR101236133B1 (ko) | 2004-11-22 | 2004-11-22 | 금속 식각액 조성물 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040096014A KR101236133B1 (ko) | 2004-11-22 | 2004-11-22 | 금속 식각액 조성물 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020110113013A Division KR20110135841A (ko) | 2011-11-01 | 2011-11-01 | 금속 식각액 조성물 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060056815A KR20060056815A (ko) | 2006-05-25 |
KR101236133B1 true KR101236133B1 (ko) | 2013-02-22 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020040096014A Expired - Lifetime KR101236133B1 (ko) | 2004-11-22 | 2004-11-22 | 금속 식각액 조성물 |
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KR (1) | KR101236133B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11390805B2 (en) | 2020-02-05 | 2022-07-19 | Samsung Electronics Co., Ltd. | Etching composition and method for manufacturing semiconductor device using the same |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101426564B1 (ko) * | 2008-02-15 | 2014-08-06 | 동우 화인켐 주식회사 | 액정표시장치용 어레이 기판의 제조방법 |
KR20170016716A (ko) | 2015-08-04 | 2017-02-14 | 동우 화인켐 주식회사 | 식각액 조성물 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20030079740A (ko) * | 2002-04-02 | 2003-10-10 | 동우 화인켐 주식회사 | 알루미늄(또는 알루미늄 합금)층을 함유한 다층막 및단일막 식각액 조성물 |
-
2004
- 2004-11-22 KR KR1020040096014A patent/KR101236133B1/ko not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20030079740A (ko) * | 2002-04-02 | 2003-10-10 | 동우 화인켐 주식회사 | 알루미늄(또는 알루미늄 합금)층을 함유한 다층막 및단일막 식각액 조성물 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11390805B2 (en) | 2020-02-05 | 2022-07-19 | Samsung Electronics Co., Ltd. | Etching composition and method for manufacturing semiconductor device using the same |
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KR20060056815A (ko) | 2006-05-25 |
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