PROTECTIVE INDICATOR CARRYING PERFORATION PATTERN

摘要

FIELD: protection of documentation against forgery. SUBSTANCE: invention is related to documents protected against falsification with use of protective indicator in the form of perforated pattern. This perforation pattern produced with the help of laser beam has holes of various sizes. Perforation pattern is reproduction of photograph carried in passport. Present invention is also related to process of application of protective indicator in the form of perforated pattern to any document. EFFECT: enhanced protective properties of document. 11 cl, 5 dwg