GRAVURE PRINTING PLATE, PLATE MAKING METHOD AND DEVICE THEREOF

摘要

PROBLEM TO BE SOLVED: To realize a high quality printing both on a pattern necessitating a high resolution and on a pattern attaching much importance to printing density though having a low resolution in a printing plate used in a gravure printing machine. SOLUTION: By selecting the employment of a high screen ruling or the employment of a low screen ruling for every pattern in response to the quality required by a pattern forming on the printing plate, a printing plate, by which a high quality printing becomes possible both on the pattern necessitating the high resolution and on the pattern attaching much importance to printing density though having the low resolution, and the plate making method thereof are provided.