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.
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 代理人
主权项
地址