发明名称 |
Optical information recording medium |
摘要 |
An optical information recording medium comprising a substrate and a recording layer superimposed on said substrate, said recording layer being comprised of a reflective layer which contains metal particles having a particle diameter of 1500 ANGSTROM or less and in which said metal particles have been distributed closely and a light absorptive layer containing a coloring matter.
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申请公布号 |
US4465767(A) |
申请公布日期 |
1984.08.14 |
申请号 |
US19820424688 |
申请日期 |
1982.09.27 |
申请人 |
RICOH COMPANY, LTD. |
发明人 |
OBA, HIDEAKI;UMEHARA, MASAAKIRA |
分类号 |
G11B7/241;(IPC1-7):G03C1/76 |
主分类号 |
G11B7/241 |
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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