engleski

Reproduction of highlights within different screening methods

Digitalization of the graphic production and the introduction of CtP processes in the printing form production have become priorities in printing companies business running. With the CtP systems for production the printing forms the usage of the frequency modulated screen (FM) is expanding apart from the conventional screens (AM). Application in the practice shows a series of adaptations of the system to particular jobs in order to achieve high quality reproductions. Reproduction of the originals on which highlight tones prevail is the object of this work investigation. The original is reproduced in the same CtP workflow and it is printed in offset. By measuring the mechanical characteristics of the printing elements and screen elements on the places of lighter tones, the differences in the print quality are define, and the visual evaluation was made. Such research will simplify the choice of particular screen in graphic reproduction, especially in reproducing the originals and photographs with prevailing lighter tones.

highlight tones; AM and FM screening methods

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