| 发明名称 |
Optical information recording medium |
| 摘要 |
An optical information recording medium comprises a transparent or opaque substrate and a cyanine coloring matter-containing thin coloring matter layer formed on said substrate. This recording material is adapted for laser beam reading and writing.
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| 申请公布号 |
US4460665(A) |
申请公布日期 |
1984.07.17 |
| 申请号 |
US19820452238 |
申请日期 |
1982.12.22 |
| 申请人 |
RICOH CO., LTD. |
发明人 |
KUNIKANE, MAKOTO;ABE, MICHIHARU;UMEHARA, MASAAKIRA |
| 分类号 |
G11B7/247;(IPC1-7):B32B3/16;B05D5/06 |
主分类号 |
G11B7/247 |
| 代理机构 |
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