发明名称 |
Protective shield for a holographic beam-deflecting element |
摘要 |
The surface of a hologram grating is protected against environmental influences by constructing a shielding case over the entire hologram. Openings are formed in the case in order to facilitate the passage of the reconstruction and diffracted scanning beams.
|
申请公布号 |
DE3332444(A1) |
申请公布日期 |
1984.04.26 |
申请号 |
DE19833332444 |
申请日期 |
1983.09.08 |
申请人 |
XEROX CORP. |
发明人 |
JOHN KRAMER,CHARLES |
分类号 |
G02B5/32;G02B7/00;(IPC1-7):G02B7/00;G02B27/17 |
主分类号 |
G02B5/32 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|