| 摘要 |
<p>PURPOSE: To avoid forgeries of photographs, characters, etc., of passports or the like. CONSTITUTION: An image 5 of a photograph or characters, etc., is transferred onto a printing paper 1, on which a protecting laminate layer 2 formed of a transparent film with an adhesive layer 4 applied thereto is heated and pressured, thereby to bond the laminated layer 2 with the printing paper 1 and image 5. At this time, an internal adhering force of the ink is set to be smaller than adhering forces between the adhesive layer 4 and image 5 and between the adhesive layer 4 and printing paper 1. If one tries to detach the protecting laminate layer 2 or cut the printing paper 1 out from the rear side of the protecting laminate layer 2, the image 5 is cut thereinside as indicated by A1 , A2 . In this manner, forgeries of photographs and characters are prevented.</p> |
