The label which indicates the time-dependant change or deterioration of the container of the optical disk or the optical disk

摘要

Container 3 of the optical disk which is in library 1 has the label 5 in order to offer visible indication concerning the state of deterioration or time-dependant change of the optical disk which corresponds. Particular label 5 is installed in the place where on container 3 of this optical disk are convenient. For example, as for label 5, it can be installed on the side of the container of DVD. At the time of the new item, as for label 5 it probably is transparent. But, originating in the disclosure to the environmental primary factor, when time-dependant change or deterioration occurs, the fact that label 5 changes color, after all, the data should back up in another disk is indicated. As for label 5, it can also be installed in the disk itself.