发明名称 |
Process for forming copper coating having excellent mechanical properties, and printed-wiring board with conductor pattern formed of such copper coating |
摘要 |
A process of forming on a substrate a copper coating which has excellent mechanical properties, comprising depositing copper on the substrate by chemical plating, and forming at least one silver-rich layer during the deposition of copper, each silver-rich layer has a higher content of silver than the other portion of the copper coating. Also disclosed is a process of producing a printed-wiring board by forming such a copper coating.
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申请公布号 |
US4777078(A) |
申请公布日期 |
1988.10.11 |
申请号 |
US19870023632 |
申请日期 |
1987.03.09 |
申请人 |
BROTHER KOGYO KABUSHIKI KAISHA |
发明人 |
MIYABAYASHI, TAKESHI |
分类号 |
C23C18/40;C23C2/26;C23C18/44;C23C18/52;C23C28/02;H05K1/09;H05K3/18;H05K3/24;(IPC1-7):B32B3/00;B05D3/06;H01K5/00 |
主分类号 |
C23C18/40 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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