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Proceedings Paper

Security Display Hologram To Foil Counterfeiting
Author(s): Jeff Blyth
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Paper Abstract

The widespread use of embossed holograms on credit cards has brought with it a huge boost of interest in holography in 1984.It is however easier to produce a counterfeit copy of these holograms able to deceive a busy shop-keeper than was originally realized by the credit card industry. The reason for this original lack of awareness is curiously because most holographers had been overlooking a phenomenon that they probably had all seen and which has existed ever since the first reflexion holograms.

Paper Details

Date Published: 12 June 1985
PDF: 6 pages
Proc. SPIE 0523, Applications of Holography, (12 June 1985); doi: 10.1117/12.946260
Show Author Affiliations
Jeff Blyth

Published in SPIE Proceedings Vol. 0523:
Applications of Holography
Lloyd Huff, Editor(s)

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