| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a sheet effectively improved in security performance by suppressing visibility from others while improving visibility for a user to facilitate discrimination of documents. <P>SOLUTION: The sheet 1 includes a sheet body 2 having a lenticular lens 20 with a plurality of linear convex lenses 20a juxtaposed, and a transmission adjusting part 3 having transmission areas 32 for transmitting light L that has passed through the lenticular lens 20 from the front face of the sheet body 2, and illusion areas 31 formed with illusion patterns 3a for suppressing or intercepting the transmission of light L in parts other than the transmission areas 32. <P>COPYRIGHT: (C)2013,JPO&INPIT |
