发明授权
- 专利标题: Bath for the electrodeposition of bright tin-cobalt alloy
- 专利标题(中): 用于电沉积明亮的锡钴合金的浴
-
申请号: US606597申请日: 1975-08-21
-
公开(公告)号: US4021316A公开(公告)日: 1977-05-03
- 发明人: Shimetomo Fueki , Junichi Tada , Kenji Osawa , Naomi Sakai , Kazuhiro Ogawa
- 申请人: Shimetomo Fueki , Junichi Tada , Kenji Osawa , Naomi Sakai , Kazuhiro Ogawa
- 申请人地址: JA Tokyo
- 专利权人: Sony Corporation
- 当前专利权人: Sony Corporation
- 当前专利权人地址: JA Tokyo
- 优先权: JA47-48181 19720517
- 主分类号: C25D3/56
- IPC分类号: C25D3/56 ; C25D3/60
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.
公开/授权文献
信息查询