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Proceedings Paper

Novel digital diffractive tags integrating anti-counterfeiting, tamper-evident, and high-density WORM data storage features
Author(s): Enrick Boisdur; Bernard Kress
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Paper Abstract

Embossed holographic tags for security and anti-counterfeiting applications are being used by industry since many years. However, such elements are not very effective since the detector is usually the human eye, and provides therefore around 80% effective counterfeiting protection of the tag. We present a novel holographic anticounterfeiting technology which provides 99.999% protection against tag counterfeiting. Horus Technologies develops such holographic tags, which include several layers of increasingly secure optical features, from standard visual holographic patterns and OVIDs (Optical Variable Imaging Devices), to micro-holographic text, down to covert features such as encrypted high resolution holographic 1d, 2d and 3d bar codes. We also demonstrate the potential of providing anti-tamper functionality on the same tag, for packaging security (especially for medical packaging). Finally, we demonstrate that more than 1Mb/square mm of digital data can be stored and encrypted on these same tags. A specific low cost laser based reader is developed to read the various security feature of such hybrid universal holographic tags. We also present a way to change and update the encrypted data in the tag in a similar way to RFID tags. Finally, we show a cost effective technique to replicate these structures in volume by roll-to-toll embossing, and even direct by glass molding within the package itself (bottle, vial, etc,..).

Paper Details

Date Published: 13 May 2010
PDF: 10 pages
Proc. SPIE 7716, Micro-Optics 2010, 77161U (13 May 2010); doi: 10.1117/12.853773
Show Author Affiliations
Enrick Boisdur, H.O.R.U.S. Digital Optics SARL (France)
Bernard Kress, H.O.R.U.S. Digital Optics SARL (France)

Published in SPIE Proceedings Vol. 7716:
Micro-Optics 2010
Hugo Thienpont; Peter Van Daele; Jürgen Mohr; Hans Zappe, Editor(s)

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