FIELD: printing industry.
SUBSTANCE: counterfeit-proof paper is proposed to manufacture counterfeit-proof documents, such as banknotes, identity cards or other similar valuable papers. Secured paper has specified thickness, as well as a section with thickness below specified, produced in process of paper web manufacturing due to application of net with appropriate relief structure in paper-making machine, or by limitation of paper web dehydration extent at this section. Secured paper also has a hole, which is arranged on specified section and has dimensions that are less than dimensions of this section.
EFFECT: paper has high extent of counterfeit protection.
28 cl, 12 dwg
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