发明名称 INFORMATION RECORDING MEDIUM, INFORMATION RECORDING METHOD, AND INFORMATION RECORDING APPARATUS
摘要 Disclosed is an information recording medium (1) having a plurality of pits (301) which are formed periodically, wherein information is recorded by irradiating a laser beam onto a pit string constituted by the plurality of pits (301) and changing the shape of the pits (301), the pit string is periodically wobbled, a length of a period (fp) of the pits (301) is a diffraction limit of the laser beam or less, and the period of the pit string is n times (n is a positive integer) of the period of the pits.
申请公布号 US2014185422(A1) 申请公布日期 2014.07.03
申请号 US201213883080 申请日期 2012.09.26
申请人 Panasonic Corporation 发明人 Kobayashi Isao;Hino Yasumori
分类号 G11B7/24085 主分类号 G11B7/24085
代理机构 代理人
主权项 1. An information recording medium having a plurality of pits which are formed periodically, wherein information is recorded by irradiating a laser beam onto a pit string constituted by the plurality of pits and changing the shape of the pits, the pit string is periodically wobbled, a length of a period of the pits is a diffraction limit of the laser beam or less, and the period of the pit string is n times (n is 2 or greater integer) of the period of the pits.
地址 Osaka JP