A METHOD FOR MAKING OF IDENTIFIABLES SYMBOLS

摘要

Invention applies to the production methods of special graphic images intended for the protection against falsification. The patented production method of the identification marks, when the identification marks are graphic images, created by computer software and afterwards, selecting colours of visible and invisible inks, are printed by an ink jet printer. Besides, depending on the desired level of protection against falsification, all graphic images are printed by invisible inks of various colours, or a part of it is printed in visible inks and the rest printed in invisible inks of various colours, or all the graphic images are printed in visible inks of various colours, afterwards laying the same image on the visible one, but using invisible inks, and so on, and so forth.