发明名称 OPTICAL RECORDING MEDIUM
摘要 <P>PROBLEM TO BE SOLVED: To provide an optical recording medium which is highly evaluated in terms of recording sensitivity, image contrast before and after recording, regenerated signal (C/N ratio) and environmental resistance. <P>SOLUTION: The optical recording medium has two recording layers, i.e., a first recording layer (2) and a second recording layer (3). The first recording layer (2) is an alloy layer comprising In or Sb, and one element selected from among Ti, Pd, Zr and V, and the second recording layer is composed of Si or Ge. <P>COPYRIGHT: (C)2003,JPO
申请公布号 JP2003260874(A) 申请公布日期 2003.09.16
申请号 JP20020063526 申请日期 2002.03.08
申请人 RICOH CO LTD 发明人 HARIGAI MASATO;FUJII TOSHISHIGE;KAGEYAMA YOSHIYUKI;UMEHARA MASAAKI
分类号 B41M5/26;G11B7/24;G11B7/243 主分类号 B41M5/26
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