Konyukhov O. Improvement of Printing Technology of Products Marking by Bar Codes

The dissertation thesis is dedicated to the solution of the actual scientific and applied task of improving the printing technology of products marking by bar codes through the development of inks with magnetic properties; optimization of the content of magnetic impurities and studying the mechanism of interaction with substrates; systematization of factors having influence on geometrical parameters and optical indices of offset prints; development of methods for quality assessment and bar code verification, which ensures a correct identification and allows additional protection of products against counterfeiting. Keywords: bar code, marking, offset printing, printing ink, magnetic properties, ink transfer, electron microscopy, surface structure, paper and cardboard, reading, verification, factors, hierarchical model, optimization, quality.