COLOR PRINTING PLATE AND PLATE MAKING METHOD FOR THE PLATE

摘要

PURPOSE: To provide a color printing plate and plate making method by which full-color printing can be performed on post cards or the like from a full-color original at home without using a special apparatus. CONSTITUTION: Color printing is performed by using plural kinds of plates each for one color, applying an ink of each color on the respective plate and then successively using these plates. The each color printing plate is produced by applying fine particles 13 containing the photosensitive material for the respective color on the base body 23 and exposing the particles with light of the wavelength corresponding to the respective color to harden the particles. Then by heating the obtd. photosensitive plate 20, the fine particles 13 is expanded by an expanding agent included in the fine particles not hardened so that the expanded fine particles 13 and not expanded particles 13 make the image for the respective color.