Bank notes and the like

Details Bank notes and the like Bank notes and the like

B - Operations, Transporting

42

D

283/29

B42D 15/00 (2006.01) B42D 15/10 (2006.01)

Patent

CA 1272231

Abstract A security token, such as a bank note or identity card, which is durable and difficult to forge. The token comprises a sheet-like substrate made up from a film of transparent bi-axially oriented polymer coated with layers of opaque and heat-activated adhesive material. The opaque layer is applied in such a way as to leave a transparent area for inspection of a security device, e.g. a diffraction grating, incorporated in the polymer film. The substrate may bear printed or other identifying indicia and is protected with an intimately bonded layer of transparent polymeric material.

410034

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