| 发明名称 |
Multiple-waveband optical element. |
| 摘要 |
<p>A multiple-waveband, eg, for the infrared and millimetric RF wavebands, optical element such as a window includes a core element and respective separately made outer elements secured to the core and having thicknesses and dielectric constants adapted to give anti-reflection characteristics.</p> |
| 申请公布号 |
EP0372991(A2) |
申请公布日期 |
1990.06.13 |
| 申请号 |
EP19890312822 |
申请日期 |
1989.12.08 |
| 申请人 |
BRITISH AEROSPACE PUBLIC LIMITED COMPANY |
发明人 |
COLIN FREELAND BRITISH AEROSPACE (DYNAMICS) LTD. |
| 分类号 |
G02B5/28;G02B1/02;G02B1/10;G02B5/20;G02B7/00 |
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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