发明名称 |
Optical recording medium containing meta-position aluminium-type IR-ray absorptive compound |
摘要 |
The present invention provides an IR-ray absorptive compound having a specific structural formula and an optical recording medium. The IR-ray absorptive compound has excellent characteristics that absorption in the infrared region is large and improved in solvent solubility. In corporation of the IR-ray absorptive compound into a thin film containing an organic coloring matter of an optical recording medium has remarkably improved the storage stability and the light resistance of the medium. Further the high solubility in solvents prevents formation of a solid in the recording layer, whereby the optical recording medium having a low noise level can be obtained.
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申请公布号 |
US5024917(A) |
申请公布日期 |
1991.06.18 |
申请号 |
US19890440073 |
申请日期 |
1989.11.22 |
申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
MIHARA, CHIEKO;SANTOH, TSUYOSHI;SUGATA, HIROYUKI |
分类号 |
B41M5/26;C07C211/54;C07C211/55;C07C211/56;C07C217/08;C07D295/135;G11B7/24;G11B7/244 |
主分类号 |
B41M5/26 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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