发明名称 |
ARTICLE WITH HOLOGRAPHIC AND RETROREFLECTIVE FEATURES |
摘要 |
<p>An article is disclosed having both holographic and retroreflective features. The article includes a holographic layer that is perceptible under normal lighting conditions and substantially imperceptible to the unaided eye under retroreflective lighting conditions, a retroreflective layer perceptible under retroreflective lighting conditions, and means for bonding the two layers together. <IMAGE></p> |
申请公布号 |
EP0880716(A1) |
申请公布日期 |
1998.12.02 |
申请号 |
EP19970902933 |
申请日期 |
1997.01.13 |
申请人 |
MINNESOTA MINING AND MANUFACTURING COMPANY |
发明人 |
LORIMOR, LYNN, E.;LU, SHIH-LAI, S. |
分类号 |
B44C1/165;B32B7/02;B42D15/10;G02B5/124;G02B5/128;G02B5/32;G03H1/18;G09F19/12;(IPC1-7):G02B5/128 |
主分类号 |
B44C1/165 |
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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