Improved tamper-evident form

Details Improved tamper-evident form Improved tamper-evident form

B - Operations, Transporting

42

D

B42D 15/00 (2006.01) B44F 1/06 (2006.01)

Patent

CA 2371295

Confidential information (11) is printed on an upper transparent laminate (10). A scrambling pattern (15) is associated with a lower laminate (14). The upper surface of the lower laminate and the lower surface of the upper laminate are complementary in shape such that the upper laminate appears transparent, but alters to appear translucent when separated from the lower laminate. This provides a tamper-evident mechanism for indicating separation of the laminates.

Des informations confidentielles (11) sont imprimées sur une couche supérieure transparente (10). Un motif de chiffrement (15) est associé à une couche inférieure (14). La surface supérieure de la couche inférieure et la surface inférieure de la couche supérieure sont de forme complémentaire de manière que la couche supérieure semble transparente, mais elle se modifie pour sembler translucide lorsqu'elle est séparée de la couche inférieure. Ceci constitue un mécanisme inviolable permettant d'indiquer la séparation des couches.

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