Security element and method for producing the same

The present invention relates to a security element (30) for securing valuable articles, having a first layer (13), composed of cholesteric liquid crystal material, that is present at least in some areas, a second layer (14), composed of liquid crystal material, that is present at least in some area...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HEIM MANFRED, KRETSCHMAR FRIEDRICH, RUCK JURGEN, HOFFMULLER WINFRIED, BURCHARD THEODOR, PILLO THORSTEN
Format:	Patent
Sprache:	eng
Schlagworte:	BOOK COVERS BOOKBINDING DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDEDFOR FILES LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM 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 present invention relates to a security element (30) for securing valuable articles, having a first layer (13), composed of cholesteric liquid crystal material, that is present at least in some areas, a second layer (14), composed of liquid crystal material, that is present at least in some areas, and a further layer (22), having a machine-readable feature, that is present at least in some areas and that is covered at least in some areas by the first and second layer composed of liquid crystal material.