An information carrier medium includes at least first and second sheet members (12, 14) each having first and second surfaces opposite to each other and laminated together with the first surface of the first sheet member bonded to the first surface of the second sheet member. A security indicium (14;...http://www.google.fr/patents/US6981648?utm_source=gb-gplus-shareBrevet US6981648 - Information carrier medium and reader for reading the information carrier medium
Information carrier medium and reader for reading the information carrier medium