发明名称 |
DATA CARRIER COMPRISING A PRINTED MAGNETIC SECURITY FEATURE |
摘要 |
The invention relates to a method for producing a data carrier comprising a printed security feature, said method comprising the following steps: (1) printing ink is printed onto the data carrier for producing at least part of the security feature, the printing ink containing a magnetic substance, and (2) the quantity of magnetic substance is reduced in at least some of the printed printing ink. |
申请公布号 |
EP2315669(A2) |
申请公布日期 |
2011.05.04 |
申请号 |
EP20090777185 |
申请日期 |
2009.07.14 |
申请人 |
GIESECKE & DEVRIENT GMBH |
发明人 |
FRANZ, PETER;DOERFLER, WALTER;SCHUETZMANN, JUERGEN |
分类号 |
B42D25/41;B41M3/14;B42D25/29 |
主分类号 |
B42D25/41 |
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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