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Forgery protection |
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Special elements
Holographic elements A Hologram is a high complex microstructure, which creates visual feeling of stereoscopic picture. Holographic information recording takes place during laser interference shooting. This technology allows us to develop holographic elements with an extremely bright and clear imprint. The colors and the variety of optical effects determine the attractiveness of the holograms. These can be incorporated and included in plastic cards www.hologr.com
Safety elements, executed by special printer’s ink (OVI) Optic-variable ink (OVI) gives the effect of a distinctive change of an imprint’s color if examined from various angles. For the inspection of this effect it is necessary at first to study the imprint, executed in optic-variable ink, holding the card directly in front of yourself, and then to incline it so that the direction you are looking at creates a sharp angle in relation to the cards’ surface. Changing color contrast can be better observed, when a directed light source is used during examination. For example the sun, a table lamp, a lighted window.
Protective elements with optical effect (CLI), fulfilled according to specialized technology This involves the effect of printing two or more imprints with a definite parallax, which are examined with a help of a lenticular screen, which is obtained as a result of processing transparent polymer by a special thermal processes. As a result when changing angles are viewed one can see every one of the printed imprints in turn.
Laser engraving Imprintin a card with the help of laser (when using polycarbonate). The imprint is created by a laser in the inner layers of the card.
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Forgery protection |
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Polygraphic protection facilities Special elements |
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«Znak» Ltd. 64, Lenina Str. Kiev, Ukraine, 02088 tel.: +38 (044) 561-25-94 fax: +38 (044) 561-25-96
e-mail: znak@znak-idcard.com
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