TAMPER EVIDENT IDENTIFICATION DOCUMENTS
A tamper evident security document including: a transparent substrate; an ink receptive coating applied to at least one side of the substrate, said coating including a laser markable additive dispersed therein; at least one laser formed marking or image created in the coating by exposure of the lase...
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| Hauptverfasser: | , |
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| Format: | Patent |
| Sprache: | eng ; fre ; ger |
| Schlagworte: | |
| Online-Zugang: | Volltext bestellen |
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| Zusammenfassung: | A tamper evident security document including: a transparent substrate; an ink receptive coating applied to at least one side of the substrate, said coating including a laser markable additive dispersed therein; at least one laser formed marking or image created in the coating by exposure of the laser markable additive to laser radiation; and printed data applied to the ink receptive coating; wherein the marking or image in the coating is removed or destroyed upon an attempt to alter the printed data. |
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