发明名称 |
Color absorption-type filter and method of making |
摘要 |
A contrast enhancement filter is produced by photographic reproduction of a master filter on to positive color transparency film. The master filter may be a multilayer thin film optical filter. The developed positive color transparency film may be laminated between a pair of glass sheets with layers of an ultraviolet absorbing polymer material.
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申请公布号 |
US4354739(A) |
申请公布日期 |
1982.10.19 |
申请号 |
US19800183849 |
申请日期 |
1980.09.03 |
申请人 |
OPTICAL COATING LABORATORY, INC. |
发明人 |
SCANLON, ROBERT T.;GELBER, ROBERT M. |
分类号 |
G02B5/22;H01J29/89;(IPC1-7):G02B5/22;H04N5/72 |
主分类号 |
G02B5/22 |
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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