AUTHENTICITY DETERMINING VIEWER AND MANUFACTURING METHOD FOR SAME, METHOD FOR DETERMINING AUTHENTICITY OF AUTHENTICATION MEDIUM, AND AUTHENTICITY DETERMINING SET

A viewer for authenticity determination comprising: a polarized light separation layer containing a layer of a cholesteric material; and a phase difference layer disposed on one side of the polarized light separation layer.

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Bibliographische Detailangaben
1. Verfasser:	FUJINO, Yasuhide
Format:	Patent
Sprache:	eng ; fre ; ger
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 OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PERFORMING OPERATIONS PHYSICS 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:	A viewer for authenticity determination comprising: a polarized light separation layer containing a layer of a cholesteric material; and a phase difference layer disposed on one side of the polarized light separation layer.