FIELD: technological processes.
SUBSTANCE: invention is related to hologram and methods for formation of holographic diffraction grid on substrate. In process of this method realisation, hardened compound is applied at least onto section of substrate. At least section of substrate coated with hardened compound is treated with facility for formation of diffraction grid. Mentioned hardened compound is hardened. Metallic printing ink is applied at least on section coated with hardened compound.
EFFECT: cheap and highly efficient method for production of printing produce with counterfeit protection.
16 cl, 13 dwg, 1 tbl, 10 ex
