IDENTIFICATION DOCUMENT WITH IMPROVED ANTI-TAMPER SECURITY; METHOD OF PRODUCING AN IDENTIFICATION DOCUMENT WHICH FACILITATES DETECTION OF TAMPERING WITH THE IDENTIFICATION DOCUMENT
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United States of America Patent
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Issued Date -
Apr 14, 2011
app pub date -
Sep 28, 2010
filing date -
Oct 8, 2009
priority date (Note) -
Abandoned
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Abstract
An identification document has a substrate and a laminating film bonded to the substrate. The surface of the substrate facing the laminating film bears first text, numeric and/or image data detectable with the naked eye at least when illuminated by daylight and a first zone with a fluorescent substance. Under excitation with light in a specific wavelength range the substance fluoresces in colour in a manner detectable with the naked eye. The laminating film has a second zone which bears second text, numeric and/or image data. The first zone of the surface of the substrate and the second zone of the laminating film overlap one another at least partially.
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