| 发明名称 |
Optical information recording medium |
| 摘要 |
An optical information recording medium has an optical information recording layer and a carrier for carrying said recording layer. The recording layer contains at least one organic dye represented by a formula: <IMAGE> where R is a substituted or nonsubstituted phenylene group or naphthylene group, L is a methyne-based group, and Y is an unsaturated organic group.
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| 申请公布号 |
US4987021(A) |
申请公布日期 |
1991.01.22 |
| 申请号 |
US19890380690 |
申请日期 |
1989.07.13 |
| 申请人 |
OLYMPUS OPTICAL CO., LTD. |
发明人 |
KANNO, TOSHIYUKI;WATANABE, HITOSHI |
| 分类号 |
G11B7/246;G11B7/247;G11B7/2472;G11B7/248;G11B7/249;G11B7/253;G11B7/2531;G11B7/2532;G11B7/2533;G11B7/2534;G11B7/2535;G11B7/257;G11B7/2575;G11B7/2578;G11B7/258;G11B7/2585;G11B7/259 |
主分类号 |
G11B7/246 |
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