| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a recording medium set which can directly enter contents to be recorded in a recording medium in a displaying part, and easily and surely change entry contents when correcting an error entry and changing recorded contents, and is excellent in convenience and reusability. <P>SOLUTION: The recording medium set comprises a writing instrument containing ink decolorable by heating, and a recording medium having an entry part in which writing can be performed by the writing instrument, and the recording medium is an optical disk that can be repeatedly recorded. The writing instrument is provided with a scraping member made of an elastic body for decoloring handwriting of the an entering part by fractional heat in an adhered state or as a separate body. <P>COPYRIGHT: (C)2013,JPO&INPIT |
