FIELD: physics.
SUBSTANCE: method comprises applying the main and individual bar codes with the corresponding digital codes in the space between which a non-reproducible metal matrix is permanently installed. Non-reproducible matrix is created by microarc oxidation using a plate electrode coated with a porous dielectric screen whose area is 10-15 times smaller than the surface area of the matrix, and the porous screen through which the electrolyte is passed is stochastically moved by a random number generator, wherein the information on the scale of the information removal from the non-reproducible matrix is added to the individual digital code.
EFFECT: invention relates to the individual marking of goods with increased reliability of protection of the marking against forgery.
1 cl, 4 dwg, 1 ex
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