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
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