Layer structure and films for id documents having improved...

Details Layer structure and films for id documents having improved... Layer structure and films for id documents having improved...

B - Operations, Transporting

32

B

B32B 27/18 (2006.01) B32B 27/20 (2006.01) B32B 27/36 (2006.01)

Patent

CA 2751201

The present invention relates to a layer structure having improved properties for laser engraving, to particular embodiments of said layer structures in the form of co-extrusion films, and to security documents, preferably identification documents comprising said layer structures.

La présente invention concerne une structure stratifiée offrant des possibilités de gravure au laser améliorées, des formes de réalisation particulières de ces structures stratifiées sous forme de feuilles coextrudées ainsi que des documents de sécurité, de préférence des documents d'identification contenant de telles structures stratifiées.

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