Synergistic combination of document security techniques

Rudolf L. van Renesse

doi:10.1117/12.382208

7 April 2000 Synergistic combination of document security techniques

Rudolf L. van Renesse

Proceedings Volume 3973, Optical Security and Counterfeit Deterrence Techniques III; (2000) https://doi.org/10.1117/12.382208
Event: Electronic Imaging, 2000, San Jose, CA, United States

Abstract

The value of security features tends to decrease gradually, partly because of the continuously increasing ability of counterfeiters to counterfeit or imitate these features and partly because of the increasing capability and availability of equipment. As a countermeasure, numerous non-iridescent and iridescent optically variable devices (OVDs) are continuously being developed. The former comprise novel laser engraving techniques, the latter DOVIDs and ISISs. Although these novel techniques appear highly effective, there are indications that they are beginning to fail, not in the least because organized crime appears to have acquired some of those newer techniques. The response is the synergistic combination of those techniques, which combination expectedly remains beyond the capability of criminal organizations. This ongoing development is currently providing new and exciting security potential. Examples are combinations of diffractive and interference phenomena and of laser perforation techniques with OVDs. The latter combination provide strong protection against counterfeiting as well as forgery.

Citation Download Citation

Rudolf L. van Renesse "Synergistic combination of document security techniques", Proc. SPIE 3973, Optical Security and Counterfeit Deterrence Techniques III, (7 April 2000); https://doi.org/10.1117/12.382208

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