| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a hiding label capable of reliably hiding confidential information such as personal information and requiring no trouble of peeling the hiding label and confirming the hidden information, and a usage of the hiding label. <P>SOLUTION: A hiding label 1 is formed by sequentially superposing an adhesive layer 4, a transparent base material 3, and a color-variable layer 2 on a release sheet 5, and the color of the color-variable layer 2 is reversibly changed by application of light with specific wavelength. When the light with specific wavelength is applied to the hiding label 1, the color of the color-variable layer 2 is reversibly changed to reliably hide the confidential information such as the personal information. When light with the wavelength of 532 nm is applied to the color-variable layer the color of which has been changed, the color is changed from the state where the hiding label is stuck to cover the confidential information without peeling the hiding label, the color is changed into a transparent and achromatic color and the confidential information becomes recognizable. <P>COPYRIGHT: (C)2013,JPO&INPIT |
