| 发明名称 |
RETROREFLECTIVE MICROPRISMATIC MATERIAL WITH CONCAVE BASE FACE CURVATURE |
| 摘要 |
Retroreflective material is disclosed which is formed of an array of microprisms (50) which reflect light more uniformly by forming a concave curvature in the base face (51') of the prisms. |
| 申请公布号 |
CA2266379(A1) |
申请公布日期 |
1998.03.26 |
| 申请号 |
CA19972266379 |
申请日期 |
1997.09.10 |
| 申请人 |
REFLEXITE CORPORATION |
发明人 |
NILSEN, ROBERT B. |
| 分类号 |
G02B5/124;G02B5/126;(IPC1-7):G02B5/124 |
主分类号 |
G02B5/124 |
| 代理机构 |
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代理人 |
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| 地址 |
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