FIELD: printing.
SUBSTANCE: invention pertains to the method of printing a protective element from counterfeiting, the protective element and to valuable documents with the above mentioned protective element. The method of printing the protective element from counterfeiting of security papers, for example, banknotes and other similar document on a substrate lies in that, a certain background is printed on the substrate. A certain figure is printed, at least partially covering the above mentioned background, using an opaque optically changing printing dye. The above mentioned figure is made with using the screen printing process, or flexographic method or photoengraving using the corresponding sieve, anilox roller or printing form. The fineness of the given structure or lieature is chosen in such a way that, the printed figure is semitransparent, while the background can be seen through this figure.
EFFECT: higher degree of protection from counterfeiting and copying the protective element, and consequently the security papers.
10 cl, 4 dwg
