Printed matter – Maps
Patent
1988-09-26
1989-08-15
Arnold, Bruce Y.
Printed matter
Maps
283 72, 283 86, 283904, 350 361, G03H 118
Patent
active
048568570
ABSTRACT:
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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Danjo Koutaro
Ikeda Satoshi
Tahara Shigehiko
Takeuchi Satoshi
Yui Yoshiharu
Arnold Bruce Y.
Dai Nippon Insatsu Kabushiki Kaisha
Lerner Martin
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