Multilayer optically variable element

Details Multilayer optically variable element Multilayer optically variable element

G - Physics

03

H

G03H 1/18 (2006.01) B32B 27/08 (2006.01) G03H 1/02 (2006.01)

Patent

CA 2046711

In a multilayer optically variable element, preferably a hologram, comprising an adhesive layer covered by an easily removable cover layer, and at least one layer having the optically variable effect, the protective layer is designed as a self-supporting and dimensionally stable layer with a thickness of a few micrometers.

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