The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 14, 2007
Filed:
Nov. 02, 2001
Norbert Lutz, Rückersdorf, DE;
Gerhard Zinner, Leinburg, DE;
Norbert Lutz, Rückersdorf, DE;
Gerhard Zinner, Leinburg, DE;
Leonard Durz GmbH & Co. KG, Furth, DE;
Abstract
Described is a laminate body, in particular a laminate foil, comprising a laser-sensitive layer and an identification element, for example a diffraction and/or hologram structure, a reflection layer, a printed image or the like, which is provided in a second layer and/or in the laser-sensitive layer, wherein the laser-sensitive layer has a marking produced by laser action, which is positioned in accurate register relationship relative to the identification element In addition the subject of the invention is a method of enhancing the forgery-proof nature of such a laminate body in which the laminate body is irradiated by means of a laser so that produced in the laser-sensitive layer is a laser-induced marking positioned in accurate register relationship with the position of the identification element.