发明名称 |
Multilayer body with a laser-sensitive layer |
摘要 |
The present invention relates to a process for increasing the level of safeguard in respect of forgery of paper documents. For that purpose, applied to the paper document is a transfer film or laminating film having a laser-sensitive layer. This multi-layer body is then treated with laser radiation. In that case, a laser-induced marking is produced in the laser-sensitive layer, for example, by laser-induced bleaching, laser-induced color change or laser-induced blackening. Respective individualization of the document can be effected by way of that laser-induced marking. |
申请公布号 |
AU2002315675(A8) |
申请公布日期 |
2003.11.11 |
申请号 |
AU20020315675 |
申请日期 |
2002.05.08 |
申请人 |
ORGA KARTENSYSTEME GMBH;LEONHARD KURZ GMBH AND CO. KG |
发明人 |
GERHARD ZINNER;MATTHIAS SCHUMACHER;ULRICH KNAACK;DIRK FISCHER;NORBERT LUTZ |
分类号 |
B42D15/10;B32B27/20;B32B29/00;B41M5/26;B44C1/17;D21H21/44 |
主分类号 |
B42D15/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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