| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a forgery preventing printed matter which exhibits an excellent forgery preventing effect produced by a combined effect of a solid-white character, a pearl ink layer and a fluorescent ink layer and can be used as a coupon such as a goods voucher, a gift certificate, a security or a stock certificate, each sort of certificate, each sort of ticket or others. <P>SOLUTION: The forgery preventing printed matter has a constitution wherein a solid-white character printing layer printed with medium ink to which a fluorescent substance emitting fluorescent light under the irradiation of ultraviolet or infrared rays is added is formed in a prescribed area of the surface of a printing base and the pearl ink printing layer is formed on the solid-white character printing layer. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
