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 代理人
主权项
地址