| 摘要 |
An IC tag which has a means for recording and erasing invisible information and a means for recording and erasing visible information, both allowing recording and erasing information in a non-contact manner, exhibits flexibility and can have a small size is provided. The IC tag has a means for recording and erasing invisible information and a means for recording and erasing visible information which are disposed on the surface of a support and allow recording and erasure of the information in a non-contact manner, wherein the means for recording and erasing visible information has a layer of a heat sensitive color developing material (I), a layer of a material absorbing light and converting absorbed light into heat (II) and a protective layer (III) laminated on the surface of the support successively from the surface, or (II), (I) and (III) laminated on the surface of the support successively from the surface. |
