| 发明名称 |
ETCHING, ELECTROCHEMICALLY GRAINING, AND ANODIZING ALUMINUM PLATE |
| 摘要 |
<p>A method for treating an aluminum sheet useful for lithography by etching said sheet in an aqueous bath containing up to about 25% of nitric and/or hydrochloric acids and from about 1% to about 25% of an inorganic fluorine containing acid or salt thereof. Said etching step is sequentially followed by electrochemical gaining and anodizing process steps.</p> |
| 申请公布号 |
CA1235380(A) |
申请公布日期 |
1988.04.19 |
| 申请号 |
CA19850482400 |
申请日期 |
1985.05.27 |
| 申请人 |
HOECHST CELANESE CORPORATION |
发明人 |
WALLS, JOHN E. |
| 分类号 |
B41N3/00;B41N3/03;C23F1/20;C25D11/04;C25D11/08;C25D11/16;C25F3/04;(IPC1-7):C25F3/04 |
主分类号 |
B41N3/00 |
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