Patent ID: 8876167
Filing Date: 2014-11-04
Classification: B42D,Y10S

Abstract:
1. An anti-counterfeit printed matter comprising: a visible image printed on an outer surface of a base material by a first object group arrayed in a first direction at a predetermined pitch and a second object group printed in a non-imaging area of the first object group on the outer surface of the base material, the second object group printed on the outer surface of the base material in a second direction with respect to the first object group, the second object group forms a negative region and a positive region of an invisible image, the second object group includes a plurality of second objects that form one of the negative region and the positive region of the invisible image, a plurality of third objects printed on the outer surface of the base material that form the other region, and a plurality of fourth objects printed on the outer surface of the base material that relax density imbalance, an object area of the second object is the same or the same as that of the third objects, and the fourth object has an object area ½ or ½ that of the second object or the third objects, the second objects, the third objects, and the fourth objects are formed in a plurality of object units that are periodically arrayed, the plurality of object units include a first object unit, a second object unit, a third object unit, and a fourth object unit, the first object unit and the second object unit have the same size, the third object unit and the fourth object unit include an object unit whose size in the first direction is twice as large as that of the first object unit and the second object unit, in the first object unit, the second object is formed so as to pass through a center of the first object unit in a “2:2” ratio, in the second object unit, the third objects in pair are obtained by dividing the second object and formed at equal intervals from a center of the second object unit in a “0:0” and “4:4” ratio so as to oppose each other, in the third object unit, the second object, the fourth object, and one of the third objects in pair are sequentially formed in a “2:3:3” ratio, in the fourth object unit, the other of the third objects in pair, the fourth object, and the second object are sequentially formed in a “3:3:2” ratio, and one of the third object unit and the fourth object unit is formed on at least part of an outline of the invisible image; wherein the invisible image is adapted to be viewed with a discrimination tool to reveal a visible printed image.