发明名称 |
Method of sensitizing copper surfaces with sensitizing solution containing stannous ions, precious metal ions and EDTA |
摘要 |
A method of sensitizing surfaces which at least include areas of copper for subsequent electroless plating wherein the surface to be sensitized is processed with a sensitizing bath which includes precious metal ions, stannous ions in stoichiometric surplus, a haloid acid, and a complex forming compound for copper ions.
|
申请公布号 |
US4153746(A) |
申请公布日期 |
1979.05.08 |
申请号 |
US19770861332 |
申请日期 |
1977.12.16 |
申请人 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
KILTHAU, HANS D. |
分类号 |
C23C18/28;(IPC1-7):C23C3/02 |
主分类号 |
C23C18/28 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|