| 发明名称 |
Identity card with a humanly visible authenticity feature |
| 摘要 |
PCT No. PCT/EP93/03673 Sec. 371 Date Oct. 23, 1995 Sec. 102(e) Date Oct. 23, 1995 PCT Filed Dec. 23, 1993 PCT Pub. No. WO94/15319 PCT Pub. Date Jul. 7, 1994A multilayer data carrier is described which bears general printed data and furthermore has a transparent layer containing additives which are absorbent for a laser beam. The transparent layer is designed so that it exists in the card compound as a thin, nonself-supporting layer.
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| 申请公布号 |
US5944356(A) |
申请公布日期 |
1999.08.31 |
| 申请号 |
US19950464772 |
申请日期 |
1995.10.23 |
| 申请人 |
GAO GESELLSCHAFT FUER AUTOMATION UND ORGANISATION |
发明人 |
BERGMANN, MATTHIAS;HENKENSCHUH, HORST;KRUSCHE, REINHARD;RIEDL, JOSEPH |
| 分类号 |
B42D15/10;B29C47/00;B32B7/02;G06K19/06;G06K19/08;G06K19/10;G06K19/18;G11B7/24;(IPC1-7):B42D15/00 |
主分类号 |
B42D15/10 |
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