SECURITY ELEMENT WITH WINDOW IN THE SUBSTRATE

The invention relates to a security element (12) for safeguarding valuable articles comprising a substrate (20) with a window (24) containing at least one hollow chamber (22) passing through the substrate (20). The invention provides for the at least one hollow chamber (22) to be filled with a filli...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ENGELMANN, PATRICK, MENGEL, CHRISTOPH, BORNSCHLEGL, ALEXANDER, SEIDLER, RUDOLF, LIEBLER, RALF, RENNER, PATRICK, OTTO, DANIELA
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BOOK COVERS BOOKBINDING DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDEDFOR FILES LOOSE LEAVES MOVABLE-STRIP WRITING OR READING APPARATUS PERFORMING OPERATIONS PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITYFEATURES PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOTOTHERWISE PROVIDED FOR SPECIAL PRINTED MATTER TRANSPORTING
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Beschreibung
Zusammenfassung:	The invention relates to a security element (12) for safeguarding valuable articles comprising a substrate (20) with a window (24) containing at least one hollow chamber (22) passing through the substrate (20). The invention provides for the at least one hollow chamber (22) to be filled with a filling material (30) having a security feature (34), for the at least one hollow chamber (22) to be covered on both sides of the substrate (20) in each case with an at least partly light-transmissive covering film (26, 28), and for the at least one hollow chamber (22) to have a hollow chamber depth (H) of between 0.5 µm and 140 µm, said hollow chamber depth being defined by the substrate thickness at the edge of the hollow chamber (22).