The 1st graphics primitive and the aforementioned 1st graphics primitive and

摘要

PPROBLEM TO BE SOLVED: To discriminate truth of a printed matter without spoiling an artistic effect of bonds or the like. PSOLUTION: A plurality of graphic elements 1 consisting of image lines composed of lines and a plurality of graphic elements 2 alternately arranged with the graphic elements 1 and consisting of points or image lines composed of dotted lines are printed on the same printing face to prepare the printed matter. The printed matter with a gathering pattern for expressing a continuous gradation characterized in that point intervals for the graphic element 2 have a specified interval value, and either one or both of the line width of the graphic element 1 and the magnitude of the graphic element 2 are continuously changed on the same printing face, is obtained. PCOPYRIGHT: (C)2005,JPO&NCIPI