GRADATION EXPRESSING METHOD AND GRADATION PRINTING ARTICLE

摘要

PROBLEM TO BE SOLVED: To provide a gradation expressing method capable of expressing a wide gradation range with a high quality.;SOLUTION: The gradation expressing method expresses a gradation of a unit region 1 by changing an area ratio of ink recorded per a specified unit region 1. The gradation of the unit region is expressed by putting a first ink which records at an area ratio of approximately 100% to the unit region 1 on a second ink which changes the area ratio to record to the unit region 1.;COPYRIGHT: (C)2006,JPO&NCIPI