| 发明名称 |
Optical recording medium IR-ray absorptive compound and optical recording medium by use thereof |
| 摘要 |
An optical recording medium comprises at least one of polymethine type dyes represented by the formulae [1-I] through [2-IV] shown below, and a compound selected from an aminium salt compound and a diimonium salt compound in a recording layer.
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| 申请公布号 |
US4923390(A) |
申请公布日期 |
1990.05.08 |
| 申请号 |
US19880227862 |
申请日期 |
1988.08.02 |
| 申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
OGUCHI, YOSHIHIRO;SUGATA, HIROYUKI;MIURA, KYO;FUKUI, TETSURO;TAKASU, YOSHIO |
| 分类号 |
G11B7/246;G11B7/247;G11B7/249;G11B7/257 |
主分类号 |
G11B7/246 |
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