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Application filed by Orell Füssli Sicherheitsdruck AgfiledCriticalOrell Füssli Sicherheitsdruck Ag
Priority to MYPI2012002755ApriorityCriticalpatent/MY158407A/en
Publication of MY158407ApublicationCriticalpatent/MY158407A/en
A SECURITY DOCUMENT COMPRISES A SUBSTRATE (1) AND AN OPTICAL WAVEGUIDE (7). COUPLERS (10A, 10B) ARE PROVIDED IN THE WAVEGUIDE (7) FOR COUPLING LIGHT INTO AND OUT OF THE WAVEGUIDE. THE COUPLERS (10A, 10B) CAN E.G. BY GRATINGS, SCATTERING OBJECTS, HOLOGRAMS, LUMINESCENT DYES OR PERFORATIONS. THE AUTHENTICITY OF THE DOCUMENT CAN BE VERIFIED USING METHODS BASED ON THE PROPERTIES OF THE WAVEGUIDE.
MYPI2012002755A2009-12-182009-12-18Security document with optical waveguide
MY158407A
(en)