| 发明名称 |
Improved holographic notch filters. |
| 摘要 |
<p>Holographic notch filters are provided that comprise photopolymer films, having an optical density of at least 2, mounted on a transparent substrate.</p> |
| 申请公布号 |
EP0407773(A2) |
申请公布日期 |
1991.01.16 |
| 申请号 |
EP19900111630 |
申请日期 |
1990.06.20 |
| 申请人 |
E.I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
KEYS, DALEN EUGENE;SMOTHERS, WILLIAM KARL;TROUT, TORENCE JOHN |
| 分类号 |
G02B5/28;G02B5/20;G02B5/32;G03F7/00;G03F7/027;G03H1/02;G03H1/18;G03H1/24 |
主分类号 |
G02B5/28 |
| 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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