| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an optical information recording medium capable of performing a high-speed recording with at least 8 times and excellent in storing stability (reliability of light-resistance) of recording. <P>SOLUTION: In the optical information recording medium with a light interference layer containing a recording layer on a substrate, the recording layer comprises an organic color element, and comprises a compound expressed by general formula 1 (wherein R<SB>1</SB>-R<SB>8</SB>are at least one substituted alkyl group with a cyano group at the terminal end and others are other groups, Y is a mono-valent or di-valent positive ion, X<SP>m-</SP>is a mono-valent or di-valent negative ion.). <P>COPYRIGHT: (C)2006,JPO&NCIPI |
