| 摘要 |
One embodiment of the present invention discloses a film element for detecting authenticity, particularly for security elements, security papers, documents of value, coins, chips, and the like, wherein it includes a transparent film and/or a motif layer or a structured layer, including or representing a luminescent motif. The transparent film is preferably made of polycarbonate or PMMA, and the luminescent motif is preferably introduced into the film element via laser processing, particularly laser engraving, via steel embossing or gravure printing or a kiss-cut method or via perforation. |
