| 发明名称 |
Trivalent chromium electroplating baths |
| 摘要 |
A trivalent chromium electroplating solution containing trivalent chromium ions, a complexant, a buffer and a sulphur species having S-O or S-S bonds. The complexant is selected to give the chromium complex a stability constant, K1, in the range 106<K1<1012M-1.
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| 申请公布号 |
US4448648(A) |
申请公布日期 |
1984.05.15 |
| 申请号 |
US19820437992 |
申请日期 |
1982.11.01 |
| 申请人 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
BARCLAY, DONALD J.;MORGAN, WILLIAM M.;VIGAR, JAMES M. |
| 分类号 |
C25D3/06;C25D3/10;C25D3/56;(IPC1-7):C25D3/06 |
主分类号 |
C25D3/06 |
| 代理机构 |
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