METHOD FOR IDENTIFICATION OF AUTHENTICITY OF OBJECTS Russian patent published in 2001 - IPC

FIELD: identification of securities, documents, banknotes, works of art and subjects of industrial production. SUBSTANCE: protective marking is formed of a successively positioned transparent flexible backing, transparent thermovarnish layer, metallized reflecting layer and a layer of thermosetting adhesive, a relief-phase hologram with visible and laser latent images is recorded in the transparent thermovarnish layer by the method of hot stamping, the visible image is reproduced at illumination of the hologram by white light, and the laser latent image- at illumination of the hologram by laser coherent light, a layer of polarization light-sensitive material is introduced in the protective mark, a polarization - code element is installed before the protective mark, this element is illuminated by blue-coherent light, and a latent polarization image is recorded in the layer of polarization light- sensitive material, a polarizer is installed on the protective mark, illuminated by white light and a latent polarization image is reproduced. EFFECT: expanded process abilities by enhancing the degree of protection of objects of various nature against forgery. 7 cl, 6 dwg