JP7071915B2 - 導電性基板 - Google Patents
導電性基板 Download PDFInfo
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- JP7071915B2 JP7071915B2 JP2018510550A JP2018510550A JP7071915B2 JP 7071915 B2 JP7071915 B2 JP 7071915B2 JP 2018510550 A JP2018510550 A JP 2018510550A JP 2018510550 A JP2018510550 A JP 2018510550A JP 7071915 B2 JP7071915 B2 JP 7071915B2
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- 239000000758 substrate Substances 0.000 title claims description 174
- 229910052751 metal Inorganic materials 0.000 claims description 373
- 239000002184 metal Substances 0.000 claims description 373
- 238000007747 plating Methods 0.000 claims description 208
- 239000000463 material Substances 0.000 claims description 77
- 230000003746 surface roughness Effects 0.000 claims description 47
- 239000010410 layer Substances 0.000 description 572
- 238000000034 method Methods 0.000 description 104
- 238000005530 etching Methods 0.000 description 55
- 239000010409 thin film Substances 0.000 description 39
- 239000010408 film Substances 0.000 description 36
- 229910052802 copper Inorganic materials 0.000 description 28
- 239000010949 copper Substances 0.000 description 28
- 239000000243 solution Substances 0.000 description 23
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 21
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 19
- 229910045601 alloy Inorganic materials 0.000 description 19
- 239000000956 alloy Substances 0.000 description 19
- 238000004544 sputter deposition Methods 0.000 description 17
- 238000004519 manufacturing process Methods 0.000 description 15
- 238000000059 patterning Methods 0.000 description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 11
- 239000001301 oxygen Substances 0.000 description 11
- 229910052760 oxygen Inorganic materials 0.000 description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 9
- 229910052799 carbon Inorganic materials 0.000 description 9
- 239000007789 gas Substances 0.000 description 9
- 239000001257 hydrogen Substances 0.000 description 9
- 229910052739 hydrogen Inorganic materials 0.000 description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 9
- 229910052757 nitrogen Inorganic materials 0.000 description 9
- 229910052759 nickel Inorganic materials 0.000 description 8
- 229910052804 chromium Inorganic materials 0.000 description 7
- 229910052742 iron Inorganic materials 0.000 description 7
- 229910052748 manganese Inorganic materials 0.000 description 7
- 229910044991 metal oxide Inorganic materials 0.000 description 7
- 150000004706 metal oxides Chemical class 0.000 description 7
- 229910052750 molybdenum Inorganic materials 0.000 description 7
- 229910052715 tantalum Inorganic materials 0.000 description 7
- 229910052719 titanium Inorganic materials 0.000 description 7
- 238000002834 transmittance Methods 0.000 description 7
- 229910052721 tungsten Inorganic materials 0.000 description 7
- 229910052720 vanadium Inorganic materials 0.000 description 7
- 238000007740 vapor deposition Methods 0.000 description 7
- 150000002431 hydrogen Chemical class 0.000 description 6
- 150000002739 metals Chemical class 0.000 description 6
- 229920000139 polyethylene terephthalate Polymers 0.000 description 6
- 239000005020 polyethylene terephthalate Substances 0.000 description 6
- 229910052718 tin Inorganic materials 0.000 description 6
- 229910052725 zinc Inorganic materials 0.000 description 6
- 239000011701 zinc Substances 0.000 description 6
- 239000012790 adhesive layer Substances 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000009713 electroplating Methods 0.000 description 5
- 238000011156 evaluation Methods 0.000 description 5
- 239000012212 insulator Substances 0.000 description 5
- -1 polyethylene terephthalate Polymers 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 4
- 238000007733 ion plating Methods 0.000 description 4
- 238000010030 laminating Methods 0.000 description 4
- 229910001092 metal group alloy Inorganic materials 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 229910018054 Ni-Cu Inorganic materials 0.000 description 3
- 229910018481 Ni—Cu Inorganic materials 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 2
- 229910017813 Cu—Cr Inorganic materials 0.000 description 2
- 229910017881 Cu—Ni—Fe Inorganic materials 0.000 description 2
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 229910018487 Ni—Cr Inorganic materials 0.000 description 2
- 229910018605 Ni—Zn Inorganic materials 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 239000002202 Polyethylene glycol Substances 0.000 description 2
- 229910011212 Ti—Fe Inorganic materials 0.000 description 2
- 229910001080 W alloy Inorganic materials 0.000 description 2
- 229910007565 Zn—Cu Inorganic materials 0.000 description 2
- VVTSZOCINPYFDP-UHFFFAOYSA-N [O].[Ar] Chemical compound [O].[Ar] VVTSZOCINPYFDP-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- KHYBPSFKEHXSLX-UHFFFAOYSA-N iminotitanium Chemical compound [Ti]=N KHYBPSFKEHXSLX-UHFFFAOYSA-N 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 239000002932 luster Substances 0.000 description 2
- 229910001000 nickel titanium Inorganic materials 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 229920003207 poly(ethylene-2,6-naphthalate) Polymers 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920001223 polyethylene glycol Polymers 0.000 description 2
- 239000011112 polyethylene naphthalate Substances 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 229920006254 polymer film Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000005546 reactive sputtering Methods 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- LMPMFQXUJXPWSL-UHFFFAOYSA-N 3-(3-sulfopropyldisulfanyl)propane-1-sulfonic acid Chemical compound OS(=O)(=O)CCCSSCCCS(O)(=O)=O LMPMFQXUJXPWSL-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
- NJSSICCENMLTKO-HRCBOCMUSA-N [(1r,2s,4r,5r)-3-hydroxy-4-(4-methylphenyl)sulfonyloxy-6,8-dioxabicyclo[3.2.1]octan-2-yl] 4-methylbenzenesulfonate Chemical compound C1=CC(C)=CC=C1S(=O)(=O)O[C@H]1C(O)[C@@H](OS(=O)(=O)C=2C=CC(C)=CC=2)[C@@H]2OC[C@H]1O2 NJSSICCENMLTKO-HRCBOCMUSA-N 0.000 description 1
- AZWHFTKIBIQKCA-UHFFFAOYSA-N [Sn+2]=O.[O-2].[In+3] Chemical compound [Sn+2]=O.[O-2].[In+3] AZWHFTKIBIQKCA-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- YOCUPQPZWBBYIX-UHFFFAOYSA-N copper nickel Chemical compound [Ni].[Cu] YOCUPQPZWBBYIX-UHFFFAOYSA-N 0.000 description 1
- 150000001925 cycloalkenes Chemical class 0.000 description 1
- YIOJGTBNHQAVBO-UHFFFAOYSA-N dimethyl-bis(prop-2-enyl)azanium Chemical compound C=CC[N+](C)(C)CC=C YIOJGTBNHQAVBO-UHFFFAOYSA-N 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- LGQLOGILCSXPEA-UHFFFAOYSA-L nickel sulfate Chemical compound [Ni+2].[O-]S([O-])(=O)=O LGQLOGILCSXPEA-UHFFFAOYSA-L 0.000 description 1
- QELJHCBNGDEXLD-UHFFFAOYSA-N nickel zinc Chemical compound [Ni].[Zn] QELJHCBNGDEXLD-UHFFFAOYSA-N 0.000 description 1
- 229910000363 nickel(II) sulfate Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920006289 polycarbonate film Polymers 0.000 description 1
- 229920006290 polyethylene naphthalate film Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 1
- 229910000368 zinc sulfate Inorganic materials 0.000 description 1
- 229960001763 zinc sulfate Drugs 0.000 description 1
Images
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- 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/02—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material
- C23C28/021—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material including at least one metal alloy layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/14—Metallic material, boron or silicon
- C23C14/20—Metallic material, boron or silicon on organic substrates
- C23C14/205—Metallic material, boron or silicon on organic substrates by cathodic sputtering
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/54—Electroplating of non-metallic surfaces
- C25D5/56—Electroplating of non-metallic surfaces of plastics
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/60—Electroplating characterised by the structure or texture of the layers
- C25D5/605—Surface topography of the layers, e.g. rough, dendritic or nodular layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
- H01B5/14—Non-insulated conductors or conductive bodies characterised by their form comprising conductive layers or films on insulating-supports
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/38—Electroplating: Baths therefor from solutions of copper
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/56—Electroplating: Baths therefor from solutions of alloys
- C25D3/562—Electroplating: Baths therefor from solutions of alloys containing more than 50% by weight of iron or nickel or cobalt
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
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- Chemical Kinetics & Catalysis (AREA)
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Laminated Bodies (AREA)
- Inorganic Chemistry (AREA)
- Non-Insulated Conductors (AREA)
- Manufacturing Of Electric Cables (AREA)
- Photoreceptors In Electrophotography (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Description
透明基材と、
前記透明基材の少なくとも一方の面上に配置された金属層と、
前記金属層上に配置された湿式めっき黒化層とを有し、
前記金属層の前記湿式めっき黒化層と対向する面の表面粗さRa(μm)が、前記湿式めっき黒化層の厚さ(μm)の0.35倍以上0.67倍以下であり、
前記金属層の前記湿式めっき黒化層と対向する面の表面粗さRaが0.024μm以上0.080μm以下である導電性基板を提供する。
(導電性基板)
本実施形態の導電性基板は、透明基材と、透明基材の少なくとも一方の面上に配置された金属層と、金属層上に配置された湿式めっき黒化層とを有することができる。そして、金属層の湿式めっき黒化層と対向する面の表面粗さRa(μm)を、湿式めっき黒化層の厚さ(μm)の0.35倍以上とすることができる。
(導電性基板の製造方法)
次に本実施形態の導電性基板の製造方法の構成例について説明する。
金属層上に湿式めっき法により湿式めっき黒化層を形成する湿式めっき黒化層形成工程。
そして、金属層形成工程では、金属層の湿式めっき黒化層と対向する面の表面粗さRa(μm)が、湿式めっき黒化層の厚さ(μm)の0.35倍以上となるように金属層を形成することができる。なお、湿式めっき黒化層形成工程において、金属層の湿式めっき黒化層と対向する面の表面粗さRa(μm)が、湿式めっき黒化層の厚さ(μm)の0.35倍以上となるように、湿式めっき黒化層の厚さを調整することもできる。
(評価方法)
以下の実験例1~8において作製した導電性基板の評価方法について説明する。
(1)表面粗さRa
以下の実施例、比較例では、図2Aに示した導電性基板を作製した。そして、導電性基板を作製する際、金属層12の成膜後、湿式めっき黒化層13を成膜する前に、金属層12の第2の金属層表面12bの表面粗さを評価した。
(2)エッチング時間差
エッチング液として、3質量%塩化第二鉄と0.3質量%塩酸とを混合した水溶液を用意し、エッチング液の温度を室温(25℃)に保持した。
(導電性基板の作製条件)
以下に各実験例における導電性基板の作製条件、及び評価結果を示す。なお、実験例1~実験例5が実施例、実験例6~実験例8が比較例となる。
[実験例1]
図2Aに示した構造を有する導電性基板を作製した。
(透明基材準備工程、密着層形成工程)
まず、厚さ100μmのポリエチレンテレフタレート樹脂(PET)製の透明基材の一方の面上に密着層を形成した。
(金属層形成工程)
続いて、密着層を成膜した透明基材の密着層上に金属層を成膜した。
(湿式めっき黒化層形成工程)
硫酸ニッケルと、硫酸亜鉛とを含有するめっき浴を用い、湿式めっき法により、湿式めっき黒化層として、厚さtが60nmのニッケル-亜鉛合金層を成膜した。
[実験例2~実験例8]
各実験例において、粗化金属めっき層形成ステップを実施する時間を変更し、金属層の湿式めっき黒化層と対向する面の表面粗さRaを表1に示す値となるようにした点以外は、実験例1と同様にして、導電性基板の作製、及び評価を行った。結果を表1に示す。
表1に示した結果から、実施例であり、金属層の湿式めっき黒化層と対向する面である第2の金属層表面の表面粗さRa(μm)が、湿式めっき黒化層の厚さ(μm)の0.35倍以上である実験例1~実験例5は、評価が〇になっていることが確認できる。すなわち、エッチング均一性に優れた導電性基板であることが確認できる。
11、111、112 透明基材
12、121、122 金属層
13、131、132、321、322 湿式めっき黒化層
Claims (2)
- 透明基材と、
前記透明基材の少なくとも一方の面上に配置された金属層と、
前記金属層上に配置された湿式めっき黒化層とを有し、
前記金属層の前記湿式めっき黒化層と対向する面の表面粗さRa(μm)が、前記湿式めっき黒化層の厚さ(μm)の0.35倍以上0.67倍以下であり、
前記金属層の前記湿式めっき黒化層と対向する面の表面粗さRaが0.024μm以上0.080μm以下である導電性基板。 - 前記金属層が金属めっき層を有する請求項1に記載の導電性基板。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016076157 | 2016-04-05 | ||
JP2016076157 | 2016-04-05 | ||
PCT/JP2017/012728 WO2017175629A1 (ja) | 2016-04-05 | 2017-03-28 | 導電性基板 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2017175629A1 JPWO2017175629A1 (ja) | 2019-02-14 |
JP7071915B2 true JP7071915B2 (ja) | 2022-05-19 |
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CN108885509B (zh) | 2022-03-29 |
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