发明名称 |
CLEANING ALUMINIUM WORKPIECES |
摘要 |
A method of cleaning an Al workpiece comprises a.c. anodising the workpiece in an acidic electrolyte capable of dissolving aluminium oxide and maintained at a temperature of at least 70.degree.C unde r conditions such that the surface of the workpiece is cleaned with any oxide film thereon being non-porous and no more than about 20 nm thick.
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申请公布号 |
CA2208109(C) |
申请公布日期 |
2006.06.20 |
申请号 |
CA19952208109 |
申请日期 |
1995.12.18 |
申请人 |
ALCAN INTERNATIONAL LIMITED |
发明人 |
KUMPART, ARMIN;BALL, JONATHAN;DAVIES, NIGEL CLEATON;LIMBACH, PETER KARL FERDINAND |
分类号 |
C25F1/04;C25D5/44;C25D11/04 |
主分类号 |
C25F1/04 |
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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