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1 April 1998 Search for effective document security by inventioneering
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Abstract
This paper deals with the creative search for security devices that thwart criminals, in particular forgers, that attack banking instruments. Because this activity requires an innovative mind, knowledge of engineering and a sense of pioneering, it is coined 'inventioneering.' Some fully new solutions and practical examples are discussed: carbon-based ink number in cheques, perforated number in cards and cheques, diffractive personalization of OVDs, protecting the toner of laser printers against alteration, and micro laser engraving.
© (1998) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
J. Douwe Brongers "Search for effective document security by inventioneering", Proc. SPIE 3314, Optical Security and Counterfeit Deterrence Techniques II, (1 April 1998); https://doi.org/10.1117/12.304703
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