发明授权
US09200204B2 Identification and authentication using polymeric liquid crystal material markings 有权
使用聚合物液晶材料标识识别和认证

Identification and authentication using polymeric liquid crystal material markings
摘要:
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 is life cycle.
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