FIELD: process engineering.
SUBSTANCE: invention relates to multilayer data carrier, particularly, to identity card or similar document. Data carrier has a substrate with a metal safety element made thereat with the structure to display an optical effect on observation side. Metallic layer has indiscernible or, at least, hardly, discernible in day light, through holes in diameter not exceeding 200 mcm to make the data or human being ID data. Note here that under safety element a layer is made of material to glow on excitation by non-destructive external effects.
EFFECT: higher degree of protection.
13 cl, 2 dwg
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