| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To suppress a label stuck to an article to be reused after finishing a use period of the article. <P>SOLUTION: A label 1 according to the present invention includes: an optical functional layer 13 that allows light with a certain wavelength to pass therethrough; a light absorbing pattern layer 14 which faces the optical functional layer 13 and absorbs the light with the certain wavelength; and a light transmission layer 12 which is located in front of the light absorbing pattern layer 14 and allows the light with the certain wavelength to pass therethrough. The light transmission layer 12 includes a foamable material being foamed by heating. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
