发明名称 |
MEHRSCHICHTENKÖRPER, INSBESONDERE MEHRSCHICHTENFOLIE SOWIE VERFAHREN ZUR ERHÖHUNG DER FÄLSCHUNGSSICHERHEIT EINES MEHRSCHICHTENKÖRPERS |
摘要 |
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. |
申请公布号 |
AT277779(T) |
申请公布日期 |
2004.10.15 |
申请号 |
AT20010992647T |
申请日期 |
2001.11.02 |
申请人 |
LEONHARD KURZ GMBH & CO. KG |
发明人 |
LUTZ, NORBERT;ZINNER, GERHARD |
分类号 |
B32B7/02;B41M3/14;B41M5/24;B41M5/26;B41M5/34;B42D15/10 |
主分类号 |
B32B7/02 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|