发明名称 |
Transparent reflection-type |
摘要 |
A transparent-type hologram comprising a transparent hologram-forming layer and a holographic effect-enhancing layer comprising a thin transparent film, the holographic effect-enhancing layer being laminated on the hologram-forming portion of the transparent hologram-forming layer. The holographic effect-enhancing layer has a refractive index different from that of the transparent hologram-forming layer.
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申请公布号 |
US4856857(A) |
申请公布日期 |
1989.08.15 |
申请号 |
US19880249194 |
申请日期 |
1988.09.26 |
申请人 |
DAI NIPPON INSATSU KABUSHIKI KAISHA |
发明人 |
TAKEUCHI, SATOSHI;DANJO, KOUTARO;TAHARA, SHIGEHIKO;YUI, YOSHIHARU;IKEDA, SATOSHI |
分类号 |
B42D15/10;G03H1/02;G06K19/16 |
主分类号 |
B42D15/10 |
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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