| 发明名称 |
Imageable prismatic array |
| 摘要 |
Articles having on one surface thereof a linear prism array and a diffraction grating on the opposite surface are provided which are suitable for the preparation of projection transparencies.
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| 申请公布号 |
US4497860(A) |
申请公布日期 |
1985.02.05 |
| 申请号 |
US19780970548 |
申请日期 |
1978.12.18 |
| 申请人 |
MINNESOTA MINING AND MANUFACTURING COMPANY |
发明人 |
BRADY, JR., HAROLD E. |
| 分类号 |
G02B3/08;G02B5/18;G03B21/132;(IPC1-7):G02B27/10 |
主分类号 |
G02B3/08 |
| 代理机构 |
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代理人 |
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