发明名称 |
Disc device, disk formatting method, and disk formatting apparatus |
摘要 |
A disk device includes a plurality of recording surfaces each of which having a recording area for recording data. An area or a width in a radial direction of an effective area set to be capable of recording the data in the recording area on at least one of the recording surfaces is different from that in the recording area on other of the recording surfaces.
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申请公布号 |
US2007183077(A1) |
申请公布日期 |
2007.08.09 |
申请号 |
US20060440902 |
申请日期 |
2006.05.25 |
申请人 |
FUJITSU LIMITED |
发明人 |
NAKAMURA YOSHIHIKO;HARA TAKESHI |
分类号 |
G11B21/02 |
主分类号 |
G11B21/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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