FIELD: printing industry.
SUBSTANCE: proposed storage medium with half-tone image in engraving style produced by method of intaglio printing, i.e. presented by irregular linear structures, consists of repeated printable structural elements. Fine structure present within the limits of structural elements in from of spaces are partially applied to structural elements.
EFFECT: provision of complex design, high protection from counterfeit.
36 cl, 16 dwg
Authors
Dates
2006-07-20—Published
2001-09-06—Filed