An optical material for use in documents of value

Details An optical material for use in documents of value An optical material for use in documents of value

G - Physics

03

H

G03H 1/26 (2006.01) B42D 15/10 (2006.01) G03H 1/18 (2006.01)

Patent

CA 2358688

An optical material, for use in documents of value, having at least one at least dual-channel hologram for the holographic reconstruction of different images from different directions of observation. Different regions of the hologram are associated with the different channels. The regions of the hologram reconstructing the respective image under incident light have sub-regions which do not take part in the image reconstruction, to a data carrier having at least one optical material. A method for the manufacture of the optical material is also described.

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