FIELD: printing.
SUBSTANCE: security document comprises a substrate coated with a film element. The film element comprises a security feature such as a diffraction structure, such as a hologram. For quick identification of the remote film element using the conventional detecting devices the marking intersecting film element is printed between the lower surface and the substrate, at that the marking is at least partially overlapped with the film element. At that at least a part of the marking is printed on the substrate and for the said part of the marking printed on the substrate, adhesion of the marking to the substrate is weaker than the adhesion of the marking with the film element.
EFFECT: improvement of the document security.
15 cl, 2 dwg
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Authors
Dates
2015-04-10—Published
2010-07-07—Filed