| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a hidden information inclusion medium comprising hidden information and a method for authenticating the hidden information, particularly, a hidden information inclusion medium which can authenticate the medium by needing no special instruments and which has a thin constitution.SOLUTION: There is provided a hidden information inclusion medium printed with micropatterns, where the micropatterns 23 can be confirmed by enlarged display on the moire effect when overlapped with lens arrays 11, keeps areas 21 of lens pattern positioning hydrophilic or water-repellent in a plane overlapped with the lens arrays 11 in the hidden information inclusion medium, and an area 22 other than the lens array patterns water-repellent or oil-repellent.</p> |
