Identification and authentication using liquid crystal material markings
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United States of America Patent
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May 27, 2014
Grant Date -
Nov 1, 2012
app pub date -
Jun 25, 2012
filing date -
Apr 2, 2008
priority date (Note) -
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Abstract
The present invention relates to a marking of polymeric liquid crystal material having determined optical characteristics allowing its authentication and reading by a machine and its authentication by the human eye. The marking is applied onto an item, good or article by a variable information printing process. The marking is in the form of indicia representing a unique code which allows for an easy authentication by the human eye and a secure tracking and tracing of the marked item, good or article throughout its life cycle.
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