| 摘要 |
<P>PROBLEM TO BE SOLVED: To achieve clear etching print in an arbitrarily-colored region by using a low power laser beam. <P>SOLUTION: The printed matter includes: a synthetic resin sheet base material 3; a colored layer 5 provided on one surface of the base material 3; and an underlayer 4 located between the base material 3 and the colored layer 5 and having electrically conductive zinc oxide, wherein a configuration having a display region A obtained by the etching print by irradiating the laser L and separating the colored layer 5 is adopted. <P>COPYRIGHT: (C)2013,JPO&INPIT |
