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 |
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代理人 |
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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 |