| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a machine-readable information printed article wherein a plurality of information parts are arranged in a visually non-recognizable state on the front surface and the back surface of an infrared ray-permeable substrate layer, and the information parts can be read by a machine under an irradiation of an infrared ray having a predetermined wavelength, and can be recognized as one significant image by superposing an information pattern read by the machine. <P>SOLUTION: The machine-readable information printed article includes at least information parts formed with an infrared absorbing ink on the front surface and the back surface of the infrared ray-permeable substrate layer. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
