PRINTING PLATE AND METHOD FOR FORMING THE SAME

摘要

PRINTING PLATE AND METHOD FOR FORMING THE SAME In order to prevent staining of the non-image areas during printing, it is known to use a printing plate having from about 20 to about 4,000 small projections per square cm. in the non-image areas. The alleged invention resides in the small projections having an area of not more than 0.04 mm2 and the summation of the areas of the tops of these small projections being not more than 30% of the area of the support.