发明名称 |
Optical information recording medium |
摘要 |
An optical information recording medium which comprises the provision of a thin film (recording layer) formed of a cyanine coloring matter and a transition metal complex being superior in long wavelength range light absorbability to said coloring matter on a transparent or opaque substrate and which permits writing and reading by using laser beam.
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申请公布号 |
US4652514(A) |
申请公布日期 |
1987.03.24 |
申请号 |
US19840652791 |
申请日期 |
1984.09.20 |
申请人 |
RICOH CO., LTD. |
发明人 |
ABE, MICHIHARU;OBA, HIDEAKI |
分类号 |
B41M5/26;G03C1/73;G11B7/24;G11B7/244;G11B7/247;G11B7/249;(IPC1-7):G03C1/733;G03C1/72 |
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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