| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an optical information recording medium which can save recorded data for a long term while enabling high density recording. <P>SOLUTION: In the optical information recording medium, a recording layer 4 which is constituted by including a first auxiliary-recording film 4a formed of a first material which makes Si as a major component, and a second auxiliary-recording film 4b formed of a second material which makes Cu added with Mg as a major component near the first auxiliary recording film 4a are formed on a base 2, and it is constituted so that the recording (formation of a recorded part M) and reproducing of recorded data are possible by irradiating the recording layer 4 with a laser beam L. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
