JP7395389B2 - 銀めっき材およびその製造方法 - Google Patents
銀めっき材およびその製造方法 Download PDFInfo
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- JP7395389B2 JP7395389B2 JP2020039708A JP2020039708A JP7395389B2 JP 7395389 B2 JP7395389 B2 JP 7395389B2 JP 2020039708 A JP2020039708 A JP 2020039708A JP 2020039708 A JP2020039708 A JP 2020039708A JP 7395389 B2 JP7395389 B2 JP 7395389B2
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- JP
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- Prior art keywords
- silver
- plated
- layer
- plating film
- thickness
- Prior art date
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- 238000007747 plating Methods 0.000 title claims description 223
- 239000000463 material Substances 0.000 title claims description 134
- 239000004332 silver Substances 0.000 title claims description 125
- 229910052709 silver Inorganic materials 0.000 title claims description 124
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims description 113
- 238000004519 manufacturing process Methods 0.000 title claims description 22
- 239000010410 layer Substances 0.000 claims description 92
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 57
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 38
- 229910052725 zinc Inorganic materials 0.000 claims description 38
- 239000011701 zinc Substances 0.000 claims description 38
- 238000009713 electroplating Methods 0.000 claims description 34
- 229910052759 nickel Inorganic materials 0.000 claims description 29
- 229910052802 copper Inorganic materials 0.000 claims description 17
- 239000010949 copper Substances 0.000 claims description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 16
- 239000000243 solution Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 12
- NNFCIKHAZHQZJG-UHFFFAOYSA-N potassium cyanide Chemical compound [K+].N#[C-] NNFCIKHAZHQZJG-UHFFFAOYSA-N 0.000 claims description 12
- 239000007864 aqueous solution Substances 0.000 claims description 11
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 10
- 239000002344 surface layer Substances 0.000 claims description 7
- 229910000990 Ni alloy Inorganic materials 0.000 claims description 6
- HKSGQTYSSZOJOA-UHFFFAOYSA-N potassium argentocyanide Chemical compound [K+].[Ag+].N#[C-].N#[C-] HKSGQTYSSZOJOA-UHFFFAOYSA-N 0.000 claims description 6
- VDMJCVUEUHKGOY-JXMROGBWSA-N (1e)-4-fluoro-n-hydroxybenzenecarboximidoyl chloride Chemical compound O\N=C(\Cl)C1=CC=C(F)C=C1 VDMJCVUEUHKGOY-JXMROGBWSA-N 0.000 claims description 5
- 150000003378 silver Chemical class 0.000 description 12
- 238000003756 stirring Methods 0.000 description 8
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 7
- 239000007788 liquid Substances 0.000 description 7
- 229910052718 tin Inorganic materials 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000005299 abrasion Methods 0.000 description 5
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 239000011247 coating layer Substances 0.000 description 3
- 238000007373 indentation Methods 0.000 description 3
- 229910021586 Nickel(II) chloride Inorganic materials 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 2
- 239000004327 boric acid Substances 0.000 description 2
- 238000005238 degreasing Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- QMMRZOWCJAIUJA-UHFFFAOYSA-L nickel dichloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 description 2
- TXRHHNYLWVQULI-UHFFFAOYSA-L nickel(2+);disulfamate;tetrahydrate Chemical compound O.O.O.O.[Ni+2].NS([O-])(=O)=O.NS([O-])(=O)=O TXRHHNYLWVQULI-UHFFFAOYSA-L 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- KYEKHFSRAXRJBR-UHFFFAOYSA-M potassium;selenocyanate Chemical compound [K+].[Se-]C#N KYEKHFSRAXRJBR-UHFFFAOYSA-M 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 229910001316 Ag alloy Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 1
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 150000001879 copper Chemical class 0.000 description 1
- IEDRGHHDYMVJLD-UHFFFAOYSA-N copper potassium tricyanide Chemical compound [K+].[Cu++].[C-]#N.[C-]#N.[C-]#N IEDRGHHDYMVJLD-UHFFFAOYSA-N 0.000 description 1
- 238000009429 electrical wiring Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002815 nickel Chemical class 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
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- 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
- C25D5/10—Electroplating with more than one layer of the same or of different metals
-
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- B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
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- 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
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- H—ELECTRICITY
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- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
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- 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
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Description
基材10は、銅または銅合金からなるのが好ましい。また、銀めっき材のビッカース硬さHVは、80~220であるのが好ましく、120~200であるのがさらに好ましく、130~180であるのが最も好ましい。
まず、基材(被めっき材)として67mm×50mm ×0.3mmの無酸素銅(C1020 1/2H)からなる圧延板を用意し、この被めっき材の前処理として、被めっき材とSUS板をアルカリ脱脂液に入れ、被めっき材を陰極とし、SUS板を陽極として、電圧5Vで30秒間電解脱脂を行い、水洗した後、3%硫酸中で15秒間酸洗を行った。
第1の銀めっき皮膜を形成する際の電気めっき時間を90秒間とし、第2の銀めっき皮膜を形成する際の電気めっき時間を10秒間とした以外は、実施例1と同様の方法により、銀めっき材を作製した。この銀めっき材の無光沢ニッケルめっき皮膜、第1の銀めっき皮膜、亜鉛めっき皮膜および第2の銀めっき皮膜の厚さは、それぞれ1μm、4μm、0.5μmおよび0.5μmであった。なお、本実施例において、亜鉛めっき皮膜の厚さに対する第1の銀めっき皮膜の厚さの比は8であった。
第1の銀めっき皮膜を形成する際の電気めっき時間を75秒間とし、第2の銀めっき皮膜を形成する際の電気めっき時間を20秒間とした以外は、実施例1と同様の方法により、銀めっき材を作製した。この銀めっき材の無光沢ニッケルめっき皮膜、第1の銀めっき皮膜、亜鉛めっき皮膜および第2の銀めっき皮膜の厚さは、それぞれ1μm、3.5μm、0.5μmおよび1μmであった。なお、本実施例において、亜鉛めっき皮膜の厚さに対する第1の銀めっき皮膜の厚さの比は7であった。
第1の銀めっき皮膜を形成する際の電気めっき時間を63秒間とし、第2の銀めっき皮膜を形成する際の電気めっき時間を30秒間とした以外は、実施例1と同様の方法により、銀めっき材を作製した。この銀めっき材の無光沢ニッケルめっき皮膜、第1の銀めっき皮膜、亜鉛めっき皮膜および第2の銀めっき皮膜の厚さは、それぞれ1μm、3μm、0.5μmおよび1.5μmであった。なお、本実施例において、亜鉛めっき皮膜の厚さに対する第1の銀めっき皮膜の厚さの比は6であった。
第1の銀めっき皮膜を形成する際の電気めっき時間を10秒間とし、亜鉛めっき皮膜を形成する際の電気めっき時間を40秒間とし、第2の銀めっき皮膜を形成する際の電気めっき時間を75秒間とした以外は、実施例1と同様の方法により、銀めっき材を作製した。この銀めっき材の無光沢ニッケルめっき皮膜、第1の銀めっき皮膜、亜鉛めっき皮膜および第2の銀めっき皮膜の厚さは、それぞれ1μm、0.5μm、1μmおよび3.5μmであった。なお、本実施例において、亜鉛めっき皮膜の厚さに対する第1の銀めっき皮膜の厚さの比は0.5であった。
第1の銀めっき皮膜を形成する際の電気めっき時間を20秒間とし、第2の銀めっき皮膜を形成する際の電気めっき時間を63秒間とした以外は、実施例5と同様の方法により、銀めっき材を作製した。この銀めっき材の無光沢ニッケルめっき皮膜、第1の銀めっき皮膜、亜鉛めっき皮膜および第2の銀めっき皮膜の厚さは、それぞれ1μm、1μm、1μmおよび3μmであった。なお、本実施例において、亜鉛めっき皮膜の厚さに対する第1の銀めっき皮膜の厚さの比は1であった。
第1の銀めっき皮膜を形成する際の電気めっき時間を75秒間とし、第2の銀めっき皮膜を形成する際の電気めっき時間を10秒間とした以外は、実施例5と同様の方法により、銀めっき材を作製した。この銀めっき材の無光沢ニッケルめっき皮膜、第1の銀めっき皮膜、亜鉛めっき皮膜および第2の銀めっき皮膜の厚さは、それぞれ1μm、3.5μm、1μmおよび0.5μmであった。なお、本実施例において、亜鉛めっき皮膜の厚さに対する第1の銀めっき皮膜の厚さの比は3.5であった。
第1の銀めっき皮膜を形成する際の電気めっき時間を53秒間とし、第2の銀めっき皮膜を形成する際の電気めっき時間を30秒間とした以外は、実施例5と同様の方法により、銀めっき材を作製した。この銀めっき材の無光沢ニッケルめっき皮膜、第1の銀めっき皮膜、亜鉛めっき皮膜および第2の銀めっき皮膜の厚さは、それぞれ1μm、2.5μm、1μmおよび1.5μmであった。なお、本実施例において、亜鉛めっき皮膜の厚さに対する第1の銀めっき皮膜の厚さの比は2.5であった。
第1の銀めっき皮膜を形成する際の電気めっき時間を42秒間とし、第2の銀めっき皮膜を形成する際の電気めっき時間を42秒間とした以外は、実施例7と同様の方法により、銀めっき材を作製した。この銀めっき材の無光沢ニッケルめっき皮膜、第1の銀めっき皮膜、亜鉛めっき皮膜および第2の銀めっき皮膜の厚さは、それぞれ1μm、2μm、1μmおよび2μmであった。なお、本実施例において、亜鉛めっき皮膜の厚さに対する第1の銀めっき皮膜の厚さの比は2であった。
第1の銀めっき皮膜を形成せず、第2の銀めっき皮膜を形成する際の電気めっき時間を90秒間とした以外は、実施例7と同様の方法により、銀めっき材を作製した。この銀めっき材の無光沢ニッケルめっき皮膜、第1のめっき皮膜、亜鉛めっき皮膜および第2の銀めっき皮膜の厚さは、それぞれ1μm、0μm、1μmおよび4μmであった。なお、本比較例において、亜鉛めっき皮膜の厚さに対する第1の銀めっき皮膜の厚さの比は0であった。
第1の銀めっき皮膜を形成する際の電気めっき時間を105秒間とし、亜鉛めっき皮膜と第2の銀めっき皮膜を形成しなかった以外は、実施例1と同様の方法により、銀めっき材を作製した。この銀めっき材の無光沢ニッケルめっき皮膜、第1のめっき皮膜、亜鉛めっき皮膜および第2の銀めっき皮膜の厚さは、それぞれ1μm、5μm、0μmおよび0μmであった。
中間めっき皮膜として亜鉛めっき皮膜の代わりに銅めっき皮膜を形成した以外は、実施例9と同様の方法により、めっき材を作製した。なお、この銅めっき皮膜は、260g/Lのシアン化銅カリウムと8g/Lのシアン化カリウムを含む水溶液からなる銅めっき液中において、第1の銀めっき皮膜を形成した被めっき材を陰極とし、純銅電極板を陽極として、スターラにより500rpmで撹拌しながら液温50℃において電流密度7.4A/dm2で50秒間電気めっきを行うことによって形成した。この銀めっき材の無光沢ニッケルめっき皮膜、第1のめっき皮膜、銅めっき皮膜および第2の銀めっき皮膜の厚さは、それぞれ1μm、2μm、1μmおよび2μmであった。
中間めっき皮膜として亜鉛めっき皮膜の代わりに錫めっき皮膜を形成した以外は、実施例9と同様の方法により、めっき材を作製した。なお、この錫めっき皮膜は、有機酸錫と有機酸を含む水溶液からなる錫めっき液中において、第1の銀めっき皮膜を形成した被めっき材を陰極とし、純錫電極板を陽極として、スターラにより500rpmで撹拌しながら液温25℃において電流密度10A/dm2で20秒間電気めっきを行うことによって形成した。この銀めっき材の無光沢ニッケルめっき皮膜、第1のめっき皮膜、錫めっき皮膜および第2の銀めっき皮膜の厚さは、それぞれ1μm、2μm、1μmおよび2μmであった。
中間めっき皮膜として亜鉛めっき皮膜の代わりにニッケルめっき皮膜を形成した以外は、実施例9と同様の方法により、めっき材を作製した。なお、このニッケルっき皮膜は、540g/Lのスルファミン酸ニッケル四水和物と25g/Lの塩化ニッケルと35g/Lのホウ酸を含む水溶液からなる無光沢ニッケルめっき液中において、第1の銀めっき皮膜を形成した被めっき材を陰極とし、ニッケル電極板を陽極として、スターラにより500rpmで撹拌しながら液温55℃において電流密度5A/dm2で80秒間電気めっきを行うことによって形成した。この銀めっき材の下地めっき皮膜としての無光沢ニッケルめっき皮膜、第1のめっき皮膜、中間めっき皮膜としてのニッケルめっき皮膜および第2の銀めっき皮膜の厚さは、それぞれ1μm、2μm、1μmおよび2μmであった。
12 下地めっき層
14 第1の銀めっき層
16 中間めっき層
18 第2の銀めっき層
Claims (19)
- 銅または銅合金からなる基材上に、第1の銀めっき層と、中間めっき層としての亜鉛めっき層と、表層としての第2の銀めっき層がこの順に形成されていることを特徴とする、銀めっき材。
- 前記第1の銀めっき層の厚さが0.1~10μmであることを特徴とする、請求項1に記載の銀めっき材。
- 前記亜鉛めっき層の厚さが0.1~5μmであることを特徴とする、請求項1または2に記載の銀めっき材。
- 前記亜鉛めっき層の厚さに対する前記第1の銀めっき層の厚さの比が0.1~10であることを特徴とする、請求項1乃至3のいずれかに記載の銀めっき材。
- 前記第2の銀めっき層の厚さが0.1~10μmであることを特徴とする、請求項1乃至4のいずれかに記載の銀めっき材。
- 前記基材と前記第1の銀めっき層との間に下地めっき層が形成されていることを特徴とする、請求項1乃至5のいずれかに記載の銀めっき材。
- 前記下地めっき層がニッケルまたはニッケル合金からなることを特徴とする、請求項6に記載の銀めっき材。
- 前記下地めっき層の厚さが0.1~5μmであることを特徴とする、請求項6または7に記載の銀めっき材。
- 前記銀めっき材のビッカース硬さHVが80~220であることを特徴とする、請求項1乃至8のいずれかに記載の銀めっき材。
- 銅または銅合金からなる基材上に、電気めっきにより、第1の銀めっき層と、中間めっき層としての亜鉛めっき層と、表層としての第2の銀めっき層とをこの順に形成することを特徴とする、銀めっき材の製造方法。
- 前記第1の銀めっき層と前記第2の銀めっき層が、シアン化銀カリウムとシアン化カリウムとセレノシアン酸カリウムを含む水溶液からなる銀めっき液中において、前記電気めっきを行うことにより形成されることを特徴とする、請求項10に記載の銀めっき材の製造方法。
- 前記第1の銀めっき層の厚さが0.1~10μmであることを特徴とする、請求項10または11に記載の銀めっき材の製造方法。
- 前記亜鉛めっき層の厚さが0.1~5μmであることを特徴とする、請求項10乃至12のいずれかに記載の銀めっき材の製造方法。
- 前記亜鉛めっき層の厚さに対する前記第1の銀めっき層の厚さの比が0.1~10であることを特徴とする、請求項10乃至13のいずれかに記載の銀めっき材の製造方法。
- 前記第2の銀めっき層の厚さが0.1~10μmであることを特徴とする、請求項10乃至14のいずれかに記載の銀めっき材の製造方法。
- 前記基材と前記第1の銀めっき層との間に、電気めっきにより、下地めっき層を形成することを特徴とする、請求項10乃至15のいずれかに記載の銀めっき材の製造方法。
- 前記下地めっき層がニッケルまたはニッケル合金からなることを特徴とする、請求項16に記載の銀めっき材の製造方法。
- 前記下地めっき層の厚さが0.1~5μmであることを特徴とする、請求項16または17に記載の銀めっき材の製造方法。
- 前記基材が銅または銅合金からなることを特徴とする、請求項10乃至18のいずれかに記載の銀めっき材の製造方法。
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EP21767420.9A EP4083271A4 (en) | 2020-03-09 | 2021-01-21 | SILVER-PLATED MATERIAL AND METHOD OF MANUFACTURING SAME |
PCT/JP2021/001990 WO2021181901A1 (ja) | 2020-03-09 | 2021-01-21 | 銀めっき材およびその製造方法 |
US17/910,250 US12173425B2 (en) | 2020-03-09 | 2021-01-21 | Silver-plated product and method for producing same |
MX2022011191A MX2022011191A (es) | 2020-03-09 | 2021-01-21 | Producto plateado y metodo para su produccion. |
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JP2011122234A (ja) | 2009-07-15 | 2011-06-23 | Kyowa Densen Kk | メッキ構造及び電気材料の製造方法 |
JP2016145413A (ja) | 2015-01-30 | 2016-08-12 | Dowaメタルテック株式会社 | 銀めっき材およびその製造方法 |
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JPS6036000B2 (ja) * | 1981-06-24 | 1985-08-17 | 日立電線株式会社 | 耐熱銀被覆銅線およびその製造方法 |
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JPS58221291A (ja) * | 1982-06-16 | 1983-12-22 | Furukawa Electric Co Ltd:The | 電気接続用銀被覆銅材料 |
US4601958A (en) * | 1984-09-26 | 1986-07-22 | Allied Corporation | Plated parts and their production |
JPS61124597A (ja) * | 1984-11-20 | 1986-06-12 | Furukawa Electric Co Ltd:The | 銀被覆電気材料 |
JPS61177394A (ja) * | 1985-01-31 | 1986-08-09 | Furukawa Electric Co Ltd:The | 銅系基材に銀メツキを施す方法 |
JPH01122507A (ja) * | 1987-11-05 | 1989-05-15 | Furukawa Electric Co Ltd:The | 電子電気機器用複合導体 |
US4835067A (en) * | 1988-01-21 | 1989-05-30 | Electro Alloys Corp. | Corrosion resistant electroplating process, and plated article |
EP0949648B1 (en) * | 1996-09-26 | 2009-12-23 | Asahi Glass Company Ltd. | Protective plate for a plasma display and a method for producing the same |
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