发明名称 LASER ETCHED SECURITY FEATURES FOR IDENTIFICATION DOCUMENTS AND METHODS OF MAKING SAME
摘要 The invention provides a method of producing a security feature in an identification document. A core including a top surface and a bottom surface is provided. A first laminate is laminated in contact with the top surface. A second laminate is laminated in contact with the bottom surface, the laminated core comprising the identification document, the identification document having a top side and a bottom side respectively corresponding to the core's top and bottom side. A pattern is laser etched into the top surface of the identification document.
申请公布号 EP1467834(A1) 申请公布日期 2004.10.20
申请号 EP20020798613 申请日期 2002.12.24
申请人 DIGIMARC ID SYSTEMS, LLC 发明人 JONES, ROBERT;THEODOSSIOU, GEORGE
分类号 B41M3/14;B41M5/24;B42D15/10 主分类号 B41M3/14
代理机构 代理人
主权项
地址