B - Operations – Transporting – 41 – M
Patent
B - Operations, Transporting
41
M
B41M 5/26 (2006.01) B41M 3/14 (2006.01)
Patent
CA 2519404
A method for generating an item of information in a supporting body should, by using simple means, produce an item of information that is stable over a long period of time and, in particular, with regard to light and moisture. To this end, the reaction conditions for a number of reactants contained in the supporting body are set in a localized partial area of the supporting body by laser irradiation, whereby the reaction conditions set are those that cause the reactants to enter into a synthesis reaction.
L'invention vise à mettre au point un procédé permettant de produire une information dans un corps support, qui fournisse une information stable de manière durable en particulier vis-à-vis de la lumière et de l'humidité, avec des moyens simples. A cet effet, il est prévu d'ajuster, pour un nombre de matières premières prévues dans le corps support, les conditions de réaction permettant de soumettre les matières premières à une réaction de synthèse, dans une zone partielle localisée du corps support, par rayonnement laser.
Hecker Hermann
Muth Oliver
Paeschke Manfred
Bundesdruckerei Gmbh
Marks & Clerk
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