发明名称 |
Method for making etch-resistant stencil with dichromate-sensitized alkali-caseinate coating |
摘要 |
Method comprises applying to a surface to be etched a coating of a liquid composition having a pH of about 5.8 to 7.0 and comprising an alkali caseinate, an alkali dichromate photosensitizer, sodium borate and water. The layer is dried, photoexposed, developed and baked to produce an etch-resistant stencil.
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申请公布号 |
US4230781(A) |
申请公布日期 |
1980.10.28 |
申请号 |
US19760659269 |
申请日期 |
1976.02.19 |
申请人 |
RCA CORPORATION |
发明人 |
PIASCINSKI, JOSEPH J.;DOERSCHUK, III, ERNEST E. |
分类号 |
G03F1/16;G03F7/04;H05K3/00;(IPC1-7):G03C5/00 |
主分类号 |
G03F1/16 |
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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