| 发明名称 |
Forgery-proof cards, documents or banknotes have a marking comprising a polymethine dye that absorbs and emits in the near infrared |
| 摘要 |
Forgery-proof cards, documents or banknotes have a marking comprising a polymethine dye that absorbs and emits in the near infrared.
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| 申请公布号 |
DE10140469(A1) |
申请公布日期 |
2003.03.20 |
| 申请号 |
DE2001140469 |
申请日期 |
2001.08.17 |
| 申请人 |
INFINEON TECHNOLOGIES AG |
发明人 |
SCHMID, GUENTER;HALIK, MARCUS;WALTER, ANDREAS |
| 分类号 |
B41M3/14;B42D15/00;B42D25/29;G06K7/12;G06K19/06;(IPC1-7):B44F1/12;B42D15/10 |
主分类号 |
B41M3/14 |
| 代理机构 |
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代理人 |
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| 主权项 |
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