发明名称 |
Magnetic recording medium |
摘要 |
A magnetic recording medium on which servo information is recorded efficiently with a sufficient output amplitude for favorable read accuracy of the servo information. In servo areas, a magnetic layer is separated into a plurality of servo pattern unit parts forming a predetermined servo pattern and servo pattern peripheral parts/part surrounding the servo pattern unit parts. The servo pattern unit parts and the servo pattern peripheral parts/part are formed in different sizes so as to have different magnetic properties.
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申请公布号 |
US7417826(B2) |
申请公布日期 |
2008.08.26 |
申请号 |
US20040805354 |
申请日期 |
2004.03.22 |
申请人 |
TDK CORPORATION |
发明人 |
HATTORI KAZUHIRO;OKAWA SHUICHI;NAKADA KATSUYUKI |
分类号 |
G11B5/65;G11B5/714;G11B5/012;G11B5/584;G11B5/596;G11B5/74;G11B5/82;G11B5/84;G11B5/855;G11B21/10 |
主分类号 |
G11B5/65 |
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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