| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an information recording medium which enables a user to repeatedly write, without affecting information recorded on an information recording layer, contents or the like recorded inside on the surface of the information recording medium, to easily and surely erase the writing remains, and to repeat the operations. <P>SOLUTION: The information recording medium has: an information recording layer on which information is recordable or reproducible by light irradiation; a protective layer formed on a side opposite the surface of the information recording layer which the light enters; and a label layer formed in a pattern shape on the protective layer so that a part of the protective layer is exposed. An area where the protective layer is exposed is a writing area containing an electron-releasing color organic compound, an electron-receiving compound and a solvent, and used for writing by color-erasing ink erasable by water. <P>COPYRIGHT: (C)2010,JPO&INPIT |
