Paper
1 April 1990 Development of the inprint hologram
Akihiko Kobayashi
Author Affiliations +
Abstract
Recently the cashless system has been spread widely in Japan, and now not only the number ot credit cards but also that of pre-paid cards, such as telephone cards, railroad cards, is increasing steadily. Looking at such circumstances, we, one of the biggest card manufacturers in Japan, are proceeding to develop the technology of anticounterfeit. The standard structure of the credit card and the pre-paid card in Japan is shown in
© (1990) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Akihiko Kobayashi "Development of the inprint hologram", Proc. SPIE 1210, Optical Security and Anticounterfeiting Systems, (1 April 1990); https://doi.org/10.1117/12.17910
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KEYWORDS
Holograms

Printing

Metals

Image processing

Manufacturing

3D modeling

Image acquisition

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