B - Operations – Transporting – 42 – D
Patent
B - Operations, Transporting
42
D
B42D 15/10 (2006.01) B41M 3/14 (2006.01) B42D 15/00 (2006.01)
Patent
CA 2607980
The invention relates to a data carrier, in particular a valuable document or a security paper comprising a substrate (20) and a coating (12) which is applied thereto and in which marks embodied in the form of patterns, letters, figures, or images are introduced by laser radiation. According to said invention, the coating (12) comprises a laser radiation absorbing layer (22) and a pressure layer (24) which is placed thereon and is at least partially laser radiation permeable. In addition, the printed substrate is pressed by a pressure force during or after application of said at least partially laser radiation permeable pressure layer (24).
L'invention concerne un support de données, en particulier un document de valeur ou un papier de sûreté, comprenant un substrat (20), ainsi qu'un revêtement (12) qui est appliqué sur ce substrat, et dans lequel des marques (14) se présentant sous la forme de motifs, de caractères, de chiffres, ou d'images sont introduites sous l'action d'un rayonnement laser. Selon l'invention, le revêtement (12) comprend une couche (22) qui absorbe le rayonnement laser, et une couche de pression (24) qui est disposée sur la couche d'absorption et qui est au moins partiellement perméable au rayonnement laser. En outre, le substrat imprimé est comprimé pendant ou après la mise en place de ladite couche (24) au moins partiellement perméable, par application de pression.
Depta Georg
Franz Peter
Giesecke & Devrient Gmbh
R. William Wray & Associates
LandOfFree
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