Engraved optically variable image device

Details Engraved optically variable image device Engraved optically variable image device

B - Operations, Transporting

41

M

B41M 3/00 (2006.01) B41F 17/00 (2006.01) B41M 1/10 (2006.01) B41M 3/14 (2006.01) B42D 15/00 (2006.01) B44F 1/02 (2006.01)

Patent

CA 2536533

A method and image made by the method is disclosed wherein non-spherical magnetically alignable optical pigment flakes in transparent carrier are applied to a substrate and are aligned by applying a magnetic field to the substrate. The pigment flakes align a long magnetic field lines and a tool for impressing or scribing the flakes is applied to a sub- region of the substrate to realign or remove flakes from a desired region. For example a scribing tool can be used to scribe a signature or other marks within the magnetically aligned flakes. The flakes are then cured and the image is preserved which has optical and tactile features.

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