B - Operations – Transporting – 41 – M
Patent
B - Operations, Transporting
41
M
B41M 3/14 (2006.01) B42D 15/00 (2006.01) B42D 15/10 (2006.01) D21H 21/40 (2006.01) G06K 1/12 (2006.01) G06K 19/06 (2006.01)
Patent
CA 2401071
The invention relates to a method for producing a data carrier which has a laser-markable layer and a transparent, optically variable layer which overlaps said laser-markable layer at least in some areas. According to the method, visible markings which at least partially overlap the optically variable layer are produced in the laser-markable layer after said optically variable layer has been applied. The invention also relates to a data carrier produced according to this method and to a semi-finished product such as a data carrier blank, provided for processing further according to the method.
L'invention concerne un procédé de production d'un support de données qui présente une couche pouvant être marquée au laser et une couche transparente optiquement variable chevauchant au moins en partie la couche précédente. Une fois la couche optiquement variable appliquée, des marques visibles sont produites dans la couche pouvant être marquée au laser et chevauchent au moins partiellement la couche optiquement variable. L'invention concerne également un support de données produit selon ce procédé et un produit semi-fini, tel une ébauche de support de données, destiné à un traitement ultérieur selon le procédé.
Giesecke & Devrient Gmbh
Ridout & Maybee Llp
LandOfFree
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