KR20000028870A - 에칭제를 사용한 전자기기용 기판의 제조방법과 전자기기 - Google Patents
에칭제를 사용한 전자기기용 기판의 제조방법과 전자기기 Download PDFInfo
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- KR20000028870A KR20000028870A KR1019990043017A KR19990043017A KR20000028870A KR 20000028870 A KR20000028870 A KR 20000028870A KR 1019990043017 A KR1019990043017 A KR 1019990043017A KR 19990043017 A KR19990043017 A KR 19990043017A KR 20000028870 A KR20000028870 A KR 20000028870A
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- film
- laminated
- alloy
- substrate
- etching
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- 239000000758 substrate Substances 0.000 title claims abstract description 72
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 32
- 238000005530 etching Methods 0.000 claims abstract description 95
- 229910001069 Ti alloy Inorganic materials 0.000 claims abstract description 65
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 54
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 26
- 239000003795 chemical substances by application Substances 0.000 claims description 20
- KHIWWQKSHDUIBK-UHFFFAOYSA-N periodic acid Chemical compound OI(=O)(=O)=O KHIWWQKSHDUIBK-UHFFFAOYSA-N 0.000 claims description 20
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 19
- 229960002050 hydrofluoric acid Drugs 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 abstract description 35
- 239000002184 metal Substances 0.000 abstract description 35
- 238000000034 method Methods 0.000 abstract description 30
- 238000000206 photolithography Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 4
- 238000000151 deposition Methods 0.000 abstract description 2
- 239000010408 film Substances 0.000 description 354
- 239000010409 thin film Substances 0.000 description 33
- 230000001681 protective effect Effects 0.000 description 12
- 229910052782 aluminium Inorganic materials 0.000 description 11
- 239000004973 liquid crystal related substance Substances 0.000 description 11
- 229910052719 titanium Inorganic materials 0.000 description 10
- 229910021417 amorphous silicon Inorganic materials 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 150000002739 metals Chemical class 0.000 description 7
- 229910052739 hydrogen Inorganic materials 0.000 description 6
- 239000004065 semiconductor Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 230000015556 catabolic process Effects 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 238000003475 lamination Methods 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000002161 passivation Methods 0.000 description 3
- 238000000059 patterning Methods 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 229910017875 a-SiN Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000005001 laminate film Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 125000000896 monocarboxylic acid group Chemical group 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
Classifications
-
- 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
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/66742—Thin film unipolar transistors
- H01L29/6675—Amorphous silicon or polysilicon transistors
- H01L29/66765—Lateral single gate single channel transistors with inverted structure, i.e. the channel layer is formed after the gate
-
- 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
-
- 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
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Metallurgy (AREA)
- Mechanical Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Computer Hardware Design (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Ceramic Engineering (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Optics & Photonics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Thin Film Transistor (AREA)
- Weting (AREA)
- Liquid Crystal (AREA)
Abstract
Description
Claims (6)
- 플루오르산과 과요오드산 및 황산을 보유하고, 상기 플루오르산과 과요오드산과의 합계된 중량비율이 0.05내지 30wt%이고, 또한 상기 황산의 중량비율이 0.05내지 20wt%이고, 상기 플루오르산에 대한 과요오드산의 중량비가 0.01내지 2이고, Al막 또는 Al합금막과 Ti막 또는 Ti합금막 등을 적층하여 이루어지는 배선의 각각의 막을 거의 동일한 에칭율로 일괄적으로 에칭할 수 있는 재료로 이루어진 에칭제를 사용하는 것을 특징으로 하는 전자기기용 기판의 제조방법.
- 제1항에 있어서, 적어도 표면이 절연성인 기판 위에 Al막 또는 Al합금막과 Ti막 또는 Ti합금막을 차례로 성막하여 형성한 적층막의 표면에 소정 패턴의 마스크를 형성하고, 상기 에칭제를 사용하여 상기 적층막을 에칭하여 상기 소정 패턴의 적층배선을 형성하는 것을 특징으로 하는 전자기기용 기판의 제조방법.
- 제1항에 있어서, 적어도 표면이 절연성인 기판 위에 Ti막 또는 Ti합금막, Al막 또는 Al합금막 및 Ti막 또는 Ti합금막을 차례로 성막하여 형성한 적층막의 표면에 소정 패턴의 마스크를 형성하고, 상기 에칭제를 사용하여 상기 적층막을 에칭하여 상기 소정 패턴의 적층배선을 형성하는 것을 특징으로 하는 전자기기용 기판의 제조방법.
- 플루오르산과 과요오드산 및 황산을 보유하고, 상기 플루오르산과 과요오드산과의 합계된 중량비율이 0.05내지 30wt%이고, 또한 상기 황산의 중량비율이 0.05내지 20wt%이고, 상기 플루오르산에 대한 과요오드산의 중량비가 0.01내지 2이고, Al막 또는 Al합금막과 Ti막 또는 Ti합금막 등을 적층하여 이루어지는 배선의 각각의 막을 거의 동일한 에칭율로 일괄적으로 에칭할 수 있는 재료로 이루어진 에칭제를 사용하여 제조된 기판을 보유하는 것을 특징으로 하는 전자기기.
- 제4항에 있어서, 적어도 표면이 절연성인 기판 위에 Al막 또는 Al합금막과 Ti막 또는 Ti합금막을 차례로 성막하여 형성한 적층막의 표면에 소정 패턴의 마스크를 형성하고, 상기 에칭제를 사용하여 상기 적층막을 에칭하여 상기 소정 패턴의 적층배선을 형성하여 제조된 기판을 보유하는 것을 특징으로 하는 전자기기.
- 제4항에 있어서, 적어도 표면이 절연성인 기판 위에 Ti막 또는 Ti합금막, Al막 또는 Al합금막 및 Ti막 또는 Ti합금막을 차례로 성막하여 형성한 적층막의 표면에 소정 패턴의 마스크를 형성하고, 상기 에칭제를 사용하여 상기 적층막을 에칭하여 상기 소정 패턴의 적층배선을 형성하여 제조된 기판을 보유하는 것을 특징으로 하는 전자기기.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP98-303057 | 1998-10-23 | ||
JP30305798A JP4240424B2 (ja) | 1998-10-23 | 1998-10-23 | 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 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20000028870A true KR20000028870A (ko) | 2000-05-25 |
KR100323733B1 KR100323733B1 (ko) | 2002-02-19 |
Family
ID=17916397
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019990043017A KR100323733B1 (ko) | 1998-10-23 | 1999-10-06 | 에칭제를 사용한 전자기기용 기판의 제조방법과 전자기기 |
Country Status (6)
Country | Link |
---|---|
US (3) | US6461978B1 (ko) |
JP (1) | JP4240424B2 (ko) |
KR (1) | KR100323733B1 (ko) |
DE (1) | DE19951055B4 (ko) |
FR (1) | FR2785088B1 (ko) |
GB (1) | GB2344566B (ko) |
Cited By (5)
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KR100811643B1 (ko) * | 2002-03-06 | 2008-03-11 | 엘지.필립스 엘시디 주식회사 | 다중층 구조 절연막의 일괄식각 방법 |
KR20160091615A (ko) | 2015-01-26 | 2016-08-03 | 동우 화인켐 주식회사 | 티타늄막 식각액 조성물 |
KR20160094640A (ko) | 2015-02-02 | 2016-08-10 | 동우 화인켐 주식회사 | 티타늄막 식각액 조성물 |
KR20230113149A (ko) | 2022-01-21 | 2023-07-28 | 주식회사 이엔에프테크놀로지 | 티타늄막의 식각액 조성물 및 이를 이용한 식각방법 |
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KR100467943B1 (ko) * | 2001-12-28 | 2005-01-24 | 엘지.필립스 엘시디 주식회사 | 유기 전계발광소자와 그 제조방법 |
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JP4093147B2 (ja) * | 2003-09-04 | 2008-06-04 | 三菱電機株式会社 | エッチング液及びエッチング方法 |
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TWI245317B (en) * | 2004-05-21 | 2005-12-11 | Mosel Vitelic Inc | Method of wafer reclaiming, the wafer and producing method of the same |
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- 1999-10-22 US US09/422,983 patent/US6461978B1/en not_active Expired - Lifetime
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Cited By (5)
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KR100811643B1 (ko) * | 2002-03-06 | 2008-03-11 | 엘지.필립스 엘시디 주식회사 | 다중층 구조 절연막의 일괄식각 방법 |
KR20160091615A (ko) | 2015-01-26 | 2016-08-03 | 동우 화인켐 주식회사 | 티타늄막 식각액 조성물 |
KR20160094640A (ko) | 2015-02-02 | 2016-08-10 | 동우 화인켐 주식회사 | 티타늄막 식각액 조성물 |
KR20230113149A (ko) | 2022-01-21 | 2023-07-28 | 주식회사 이엔에프테크놀로지 | 티타늄막의 식각액 조성물 및 이를 이용한 식각방법 |
KR20230113150A (ko) | 2022-01-21 | 2023-07-28 | 주식회사 이엔에프테크놀로지 | 티타늄을 함유하는 금속막 식각액 조성물 및 이를 이용한 식각 방법 |
Also Published As
Publication number | Publication date |
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GB2344566A (en) | 2000-06-14 |
US7202165B2 (en) | 2007-04-10 |
FR2785088B1 (fr) | 2001-10-19 |
KR100323733B1 (ko) | 2002-02-19 |
JP2000133635A (ja) | 2000-05-12 |
JP4240424B2 (ja) | 2009-03-18 |
US20050127447A1 (en) | 2005-06-16 |
US7101809B2 (en) | 2006-09-05 |
DE19951055B4 (de) | 2017-08-24 |
DE19951055A1 (de) | 2000-06-08 |
US6461978B1 (en) | 2002-10-08 |
GB2344566B (en) | 2000-12-27 |
US20020045351A1 (en) | 2002-04-18 |
FR2785088A1 (fr) | 2000-04-28 |
GB9925134D0 (en) | 1999-12-22 |
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