| 发明名称 |
Method of replenishing gold/in plating baths |
| 摘要 |
The gold content of a gold plating bath is replenished by circulating the plating solution through an AuCN containing vessel. The plating solution contains sufficient free cyanide to render the gold soluble by producing the soluble Au(CN)2-ion.
|
| 申请公布号 |
US4340451(A) |
申请公布日期 |
1982.07.20 |
| 申请号 |
US19790104181 |
申请日期 |
1979.12.17 |
| 申请人 |
BELL TELEPHONE LABORATORIES, INCORPORATED |
发明人 |
OKINAKA, YUTAKA;WOLOWODIUK, CATHERINE |
| 分类号 |
C25D21/18;(IPC1-7):C25D3/48 |
主分类号 |
C25D21/18 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
