OPTICAL SECURITY COMPONENT WITH A REFLECTIVE EFFECT, PRODUCTION OF SUCH A COMPONENT AND SECURE DOCUMENT PROVIDED WITH SUCH A COMPONENT

An optical security component designed to be observed in a spectral observation band of between 380 nm and 780 nm by direct reflection, comprising an observation face and identifiable information, the component successively including, starting from the side opposite the observation face, a first sup...

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Bibliographische Detailangaben
1. Verfasser:	SOUPARIS, Hugues
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BOOK COVERS BOOKBINDING CALCULATING CHECKING-DEVICES COMPUTING COUNTING DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDEDFOR FILES HANDLING OF COINS OR OF PAPER CURRENCY OR SIMILAR VALUABLEPAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING,DISPENSING, CHANGING OR DEPOSITING HANDLING RECORD CARRIERS LOOSE LEAVES MOVABLE-STRIP WRITING OR READING APPARATUS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PERFORMING OPERATIONS PHYSICS PRESENTATION OF DATA PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITYFEATURES PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOTOTHERWISE PROVIDED FOR RECOGNITION OF DATA RECORD CARRIERS SPECIAL PRINTED MATTER TRANSPORTING
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Beschreibung
Zusammenfassung:	An optical security component designed to be observed in a spectral observation band of between 380 nm and 780 nm by direct reflection, comprising an observation face and identifiable information, the component successively including, starting from the side opposite the observation face, a first support layer, identification elements obtained by printing an absorbent material in at least part of the visible spectrum, with a low refractive index, to reproduce at least part of the identifiable information, at least part of the identification elements being structured on one of their faces opposite the face across from the support layer, to form a first subwavelength grating, a second layer, with a high refractive index, covering the first support layer and the identification elements, and a third layer, with a low refractive index, transparent in the observation spectral band of the component.