| 发明名称 |
CHLORIDE CONCENTRATION CONTROL IN IMMERSION COPPER COATING |
| 摘要 |
The bath life of an aqueous acidic copper coating solution is increased by maintaining chloride ion concentration within critical limits during operation of the coating process.
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| 申请公布号 |
US3649343(A) |
申请公布日期 |
1972.03.14 |
| 申请号 |
USD3649343 |
申请日期 |
1970.10.08 |
| 申请人 |
AMCHEM PRODUCTS INC. |
发明人 |
STUART REED;LOUIS SCHIFFMAN |
| 分类号 |
C23C18/38;(IPC1-7):C23C3/00 |
主分类号 |
C23C18/38 |
| 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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