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Proceedings Paper

Copyproof Achromatic Holograms For Embossing Application
Author(s): Guenther Dausmann
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Paper Abstract

More and more the media of holography is being used in security measures, against counterfeiting. This presentation will especially deal with the mass production of suitable embossed holograms. In the field of credit cards rainbow holograms are used predominentely as a security measure against counterfeiting. Although these holograms possess a relativ high degree of security it is still possible to copy them.

Paper Details

Date Published: 31 March 1989
PDF: 3 pages
Proc. SPIE 1026, Holography Techniques and Applications, (31 March 1989); doi: 10.1117/12.950224
Show Author Affiliations
Guenther Dausmann, HOLTRONIC Gesellschaft fur Holographie und Elektro-Optik mbH (United States)


Published in SPIE Proceedings Vol. 1026:
Holography Techniques and Applications
Werner P. O. Jueptner, Editor(s)

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