发明名称 |
Laser production of lithographic printing plates |
摘要 |
The use of a laser beam to etch the surface of a printing plate made from a polymer composition on a metal or plastic base and a thin top coating of a hard hydrophilic material produces a lithographic printing plate capable of accepting ink in the etched region and accepting water in the unetched regions.
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申请公布号 |
US4054094(A) |
申请公布日期 |
1977.10.18 |
申请号 |
US19730426038 |
申请日期 |
1973.12.19 |
申请人 |
E. I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
CADDELL, JACK R.;HOEHN, HARVEY H. |
分类号 |
B41C1/10;B41N3/03;(IPC1-7):B41C1/10;B41M5/24;B41N1/14 |
主分类号 |
B41C1/10 |
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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