Authenticatable, laminated device

Details Authenticatable, laminated device Authenticatable, laminated device

B - Operations, Transporting

41

M

B41M 5/24 (2006.01) B42D 15/10 (2006.01)

Patent

CA 2155233

An authenticatable, laminated article, e.g. an identity card or label, comprises laser markable core layer, e.g. of plastic, metal or paper, sandwiched between two protective layers, at least one of which is transparent, a viewing angle sensitive, optical interference, authenticating, laminate device is attached to the transparent protective layer by an adhesive layer. The transparent protective layer, optical interference layer, and the adhesive layer are capable of transmitting a laser beam for marking the core layer.

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