OPTICAL DEVICE HAVING A HIDDEN DEPICTION

An optical device, preferably a security device for a security document, including: a transparent or translucent substrate having a first side and a second side; a first depiction layer located on the first side of the substrate defining a first depiction; and a first masking layer, comprising a fir...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
1. Verfasser:	Tierney, Chris
Format:	Patent
Sprache:	eng
Schlagworte:	BOOK COVERS BOOKBINDING COLOUR PRINTING DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDEDFOR FILES LINING MACHINES 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 PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES SPECIAL PRINTED MATTER STAMPS TRANSPORTING TYPEWRITERS
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	An optical device, preferably a security device for a security document, including: a transparent or translucent substrate having a first side and a second side; a first depiction layer located on the first side of the substrate defining a first depiction; and a first masking layer, comprising a first optically variable ink, and a second masking layer, comprising an optically variable ink, located at least partially overlapping the first depiction layer, wherein the first depiction is at least substantially opaque and has a low contrast with respect to the appearance of the first and second masking layers when viewed in reflection, such that the first depiction is identifiable and substantially more visible when viewed in transmission than when viewed in reflection, and method for the manufacture thereof.