| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To obtain anti-falsification paper that controls the face side and the back side of threads when paper is mixed with threads having formed a micro-character only of positive character and/or a microimage only of positive image by paster processing. <P>SOLUTION: In the anti-falsification paper continuously mixed with threads in the flow direction of paper, the threads are provided with a micro-character only of positive letters and/or microimage (22) only of positive image on the surface of a base film (21) for transmitting a visible light but not an ultraviolet light by pastor processing and with an adhesive layer (23) to be fluorescent by irradiation with an ultraviolet light on the back of the base film. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
