METHOD FOR CREATING ELEMENTS FOR PROTECTING POLYGRAPHIC PRODUCTS FROM FORGERY

摘要

FIELD: polygraphy. ^ SUBSTANCE: method includes applying a protective element in form of micro-perforation to each unit of polygraphic product. Protection element is made in form of thematic image, which is producing using a stamp with linear knives 75 micrometers thick to produce perforation in form of lines using linear micro-notching of sheet carrier within limits of contour of thematic image for visualization of this image made in form of mark micro-perforation when the sheet is illuminated. ^ EFFECT: increased degree of protection of sheet carrier from forgery. ^ 1 dwg