Data carrier having an optically variable element and...

G - Physics – 11 – C

Patent

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88/0.14

G11C 13/04 (2006.01) B42D 15/10 (2006.01) G06K 19/06 (2006.01) G06K 19/08 (2006.01) G06K 19/14 (2006.01) G06K 19/16 (2006.01) G11C 17/00 (2006.01)

Patent

CA 2026542

The invention relates to a system comprising a series of data car- riers, in particular identity cards, papers of value or the like, whereby the data carriers belonging to the system exhibit diffraction structures containing standard information and parts of the series are changed by additional measures in the area of the diffraction structures or combined with other elements and they differ from the rest of the series in opti- cally recognizable fashion, whereby the change in the diffraction struc- tures and/or the combination with other elements convey an esthetic overall impression and the change and/or combination with the other ele- ments cannot be undone without destruction of the diffraction structures.

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