发明名称 |
Bath for the electrodeposition of bright tin-cobalt alloy |
摘要 |
Bright tin-cobalt alloy produced by electrodeposition from an aqueous pyrophosphate electroplating bath that contains a stannous salt, a cobalt salt and a brightener additive which is a combination of at least one water-soluble peptide and at least one of the group of ammonia, ammonium salts and amine compounds.
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申请公布号 |
US4021316(A) |
申请公布日期 |
1977.05.03 |
申请号 |
US19750606597 |
申请日期 |
1975.08.21 |
申请人 |
SONY CORPORATION |
发明人 |
FUEKI, SHIMETOMO;TADA, JUNICHI;OSAWA, KENJI;SAKAI, NAOMI;OGAWA, KAZUHIRO |
分类号 |
C25D3/56;C25D3/60;(IPC1-7):C25D3/60 |
主分类号 |
C25D3/56 |
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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