| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a sheet with a built-in radio tag or the like in which the radio tag is hardly destroyed even though the sheet is bent. <P>SOLUTION: The sheet 100 with a built-in radio tag has a first paper layer 1, a second paper layer facing the first paper layer 1, and a radio tag 3 sandwiched between the first paper layer 1 and the second paper layer 2, wherein the first paper layer 1 comprises a radio tag facing part 11 facing the radio tag and a radio tag non-facing part 12 being the remaining part of the first paper layer 1, and in the first paper layer 1, the radio tag non-facing part 12 has tensile strength different from that of the radio tag facing part 11. <P>COPYRIGHT: (C)2009,JPO&INPIT |
