| 摘要 |
<p>PROBLEM TO BE SOLVED: To prevent the forgery of a winning ticket, and make easily a discriminating between the true ticket and the forged ticket by checking through an irradiation with UV ray lamp and IR scope, moreover, manufacture it at low manufacturing cost. SOLUTION: A scratch off lottery ticket 10 is formed that a plurality of pieces of the lottery portions of a lottery ticket are jointly provided partly in the lateral row direction and longitudinal row direction at predetermined distances, winning patterns are printed by characters, figures, patterns and the like, and a peeling layer 22 is formed on the entire surface of an area of the lottery portion and a concealing layer 21 is provided at least each lottery portion, in which a colorless transparent fluorescence ink layer or infrared absorption ink layer 23 is formed on only lottery portion of the winning patterns. In addition, winning patterns of the lottery portions are printed by reverse patterns (negative).</p> |
