发明名称 |
Negative-working photoresist method of making rear-projection television screen viewing surface |
摘要 |
A method is shown in which a black, light-absorbing matrix is formed on the viewing surface of a rear-projection polymethyl methacrylate TV viewing screen in which there is use of a negative working photoresist composition comprising an aqueous solution of polyvinyl alcohol, a water-soluble dichromate and acetone as essentially the sole wetting agent.
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申请公布号 |
US4647519(A) |
申请公布日期 |
1987.03.03 |
申请号 |
US19850775966 |
申请日期 |
1985.09.13 |
申请人 |
NORTH AMERICAN PHILIPS CONSUMER ELECTRONICS CORP. |
发明人 |
SPEIGEL, KENNETH |
分类号 |
G02B3/00;G03B21/62;G03F7/04;H01J9/227;(IPC1-7):G03C5/00;G03B21/60 |
主分类号 |
G02B3/00 |
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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