IMAGE WITH BINARY TILT EFFECT Russian patent published in 2015 - IPC B41M3/14 B42D25/30

Abstract RU 2538865 C2

FIELD: physics, computer engineering.

SUBSTANCE: invention describes a security element for a data medium, having an ink layer and an effect layer which, upon viewing from a first angle is substantially transparent and upon viewing from at least one second, so-called effect angle, shows a colour tone which, at least on the first portion of the effect layer, produces a complementary contrast with the colour tone of the ink layer.

EFFECT: invention provides high degree of security from counterfeit.

18 cl, 9 dwg

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RU 2 538 865 C2

Authors

Klaus Khabik

Kristof Bal'Dus

Dates

2015-01-10—Published

2009-08-27—Filed