发明名称 |
Magnetic recording medium having tracking control area formed adjacent data tracks |
摘要 |
A magnetic recording medium having a magnetic layer includes a plurality of tracks formed on the magnetic layer. The tracks have information magnetically recorded thereon. A magnetization change area for tracking control is formed on the magnetic layer adjacent to and along a length of each of the tracks. The magnetization change area has magnetic flux which changes along the length of the tracks.
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申请公布号 |
US6757126(B1) |
申请公布日期 |
2004.06.29 |
申请号 |
US19990293552 |
申请日期 |
1999.04.16 |
申请人 |
FUJITSU LIMITED |
发明人 |
KURODA SUMIO;IIDA KOICHI |
分类号 |
G11B5/82;G11B5/55;G11B5/596;(IPC1-7):G11B5/596 |
主分类号 |
G11B5/82 |
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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