| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a new antiforgery medium, information displaying medium, antiforgery transfer foil and antiforgery seal which are effective for the improvement of a partial damage of an OVD image due to the difference in levels or in feelings of clearness and for the improvement of "an easy production of a forgery having similar or same effect", utilizing OVD on the market, and those manufacturing methods. <P>SOLUTION: In the antiforgery medium having the OVD on at least part of or the whole surface of a substrate, the OVD has a permeability to light, and the antiforgery medium, information displaying medium, antiforgery transfer foil and antiforgery seal comprise a verifying function layer containing a luminous material emitting visible lights at least under either one external stimulus of ultaviolet rays, infrared rays, electron rays or the like, over the whole surface or at least in part of the OVD under the OVD. The manufacturing method for them is disclosed. <P>COPYRIGHT: (C)2004,JPO&NCIPI |
