Tablet, tablet printing device, and tablet printing method

Abstract

A tablet has a first layer printed using visible ink and a second layer printed using invisible ink. The first layer includes characters, a trademark, or the like printed using the visible ink, which can be visually confirmed by an administrator in charge or a tablet user. The second layer includes a barcode or the like printed using the invisible ink, which cannot be visually confirmed by the administrator or the tablet user. The second layer is visualized by black light or the like so as to be made readable. The tablet is subjected to print processing by a tablet printing device provided with conveying disks A to C conveying the tablet while sucking and supporting a side surface of the tablet. The first layer 51 and the second layer are printed by inkjet heads, respectively.

Dependencies are inferred from the claim text.