| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a recording material made of paper which has a printing function useful for judgment of authenticity or prevention of forgery, alteration or the like. <P>SOLUTION: The recording material made of paper has a constitution wherein a laser beam exposure color developing resin layer formed of a resin composition which uses a resin as a vehicle and contains a developer developing color by exposure to a laser beam, the content of the developer being 0.01-50.0 wt.% to the resin, is provided on one side of a paper base or on both sides thereof. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
