30 January 2013 Extreme ultraviolet marking system for anti-counterfeiting tags with adjustable security level
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Proceedings Volume 8677, XIX International Symposium on High-Power Laser Systems and Applications 2012; 86770T (2013); doi: 10.1117/12.2010400
Event: XIX International Symposium on High-Power Laser Systems and Applications, 2012, Istanbul, Turkey
Abstract
We present a recently patented apparatus which consists of an extreme ultraviolet radiation source writing invisible patterns on thin tags of alkali halides. The tags patterned using this method are almost impossible to counterfeit, and offer a much better protection against fakes than available anti-counterfeiting techniques. We will discuss if this novel technology is ready for industrial production of anti-counterfeiting tags.
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P. Di Lazzaro, S. Bollanti, F. Flora, L. Mezi, D. Murra, A. Torre, F. Bonfigli, R. M. Montereali, M. A. Vincenti, "Extreme ultraviolet marking system for anti-counterfeiting tags with adjustable security level", Proc. SPIE 8677, XIX International Symposium on High-Power Laser Systems and Applications 2012, 86770T (30 January 2013); doi: 10.1117/12.2010400; http://dx.doi.org/10.1117/12.2010400
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KEYWORDS
Extreme ultraviolet

Laser induced fluorescence

Extreme ultraviolet lithography

Photomasks

Luminescence

Microscopes

Patents

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