PROTECTIVE ELEMENT FOR BANKNOTES, SECURITIES AND DOCUMENTS IN GENERAL

摘要

FIELD: protective elements for documents. ^ SUBSTANCE: protective element contains at least two adjacently positioned zones without metallic materials. One of aforementioned zones has a layer of material, light refraction of which changes with change of light falling angle. Another zone has a layer of material with constant reflection. At least one of aforementioned zones forms sections without material for forming graphic markings and signs, which may be visually detected. ^ EFFECT: high degree of protection of securities from forgery with low costs of manufacture of protective element. ^ 2 cl, 4 dwg