发明名称 OPTICAL RECORDING MEDIUM AND METHOD OF PRODUCING OPTICAL RECORDING MEDIUM
摘要 PROBLEM TO BE SOLVED: To provide an optical recording medium that can increase capacity by enlarging a signal area, and a method of producing the optical recording medium.SOLUTION: An optical recording medium includes a substrate, an information layer, and a light transmission layer. A signal area, where the information layer is irradiated with light through the light transmission layer to record and/or reproduce an information signal, extends to a position away by 1.0 mm or more and less than 1.5 mm from the outer peripheral end of the optical recording medium.
申请公布号 JP2014038682(A) 申请公布日期 2014.02.27
申请号 JP20120181913 申请日期 2012.08.20
申请人 SONY CORP 发明人 UEDA DAISUKE;SAKAMOTO TETSUHIRO
分类号 G11B7/24;G11B7/24035;G11B7/24038;G11B7/254;G11B7/257;G11B7/26 主分类号 G11B7/24
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