G - Physics – 06 – K
Patent
G - Physics
06
K
G06K 19/02 (2006.01) B32B 27/36 (2006.01) B32B 37/15 (2006.01) B42D 15/10 (2006.01)
Patent
CA 2612502
The production of an image receiving layer (1) for taking up information (5) transmitted by transfer thermography and the utilization thereof in portable data carriers are proposed. According to the invention, the image receiving layer (1) is embodied in two layers with a carrier layer (2) and an acceptor layer (3) and is obtained by coextrusion from two starting materials, of which one is an amorphous polyester, e.g. PETG, and the other is a mixture of PETG with 10 to 90% by weight of styrene polymer.
La présente invention concerne la production d'une couche de réception d'image (1) destinée à recevoir des informations (5) transmises par thermographie de transfert, et son utilisation dans des supports de données portatifs. Selon l'invention, la couche de réception d'image (1) est composée de deux couches (une couche de support (2) et une couche acceptatrice (3)), et est obtenue par coextrusion de deux matériaux de départ dont l'un est un polyester amorphe, par ex. PETG, et l'autre est un mélange de PETG avec 10 à 90 % en poids de polymère de styrène.
Frei Willy
Ganz Daniel
Riedl Josef
Schanzer Christian
Giesecke & Devrient Gmbh
Ridout & Maybee Llp
Sukano Management+services Ag
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