DIRECTIONALLY DEPENDENT OPTICAL FEATURES APPARATUS AND METHOD

Directionally dependent optical effects are produced from faceted micrometer-scale substructures. The directionally dependent optical effects can appear as one specific color when viewed from one direction and another specific color when flipped and viewed from the opposing direction. The directiona...

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Bibliographische Detailangaben

Hauptverfasser:	Kuntz, Joshua D, Pascall, Andrew J, Meshot, Eric, Krauter, Kerry G, Hiszpanski, Anna M, Lee, Elaine, Worsley, Marcus A
Format:	Patent
Sprache:	eng
Schlagworte:	BOOK COVERS BOOKBINDING DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDEDFOR FILES 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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