发明名称 |
Perpendicular magnetic recording head having narrow recording gap and perpendicular magnetic recording apparatus using the same |
摘要 |
A perpendicular magnetic recording apparatus includes a perpendicular double-layer film medium including a stack of a soft magnetic backing layer and a perpendicular magnetic recording layer in which recording is performed under a condition that a recording track pitch as a total of a recording track width and a guard-band width between recording tracks is set to be 1 mum or less, and a perpendicular magnetic recording head including a recording main pole, an auxiliary pole disposed at a gap having a length of five or less times the guard-band width with respect to the recording main pole, and an exciting coil.
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申请公布号 |
US6707643(B2) |
申请公布日期 |
2004.03.16 |
申请号 |
US20010951382 |
申请日期 |
2001.09.14 |
申请人 |
KABUSHIKI KAISHA TOSHIBA;TDK CORPORATION |
发明人 |
TAKEO AKIHIKO;ROPPONGI TETSUYA;HORINOUCHI SHINICHI;MORITA HARUYUKI;MATSUZAKI MIKIO |
分类号 |
G11B5/667;G11B5/00;G11B5/127;G11B5/23;G11B5/31;G11B5/64;G11B5/65;G11B5/66;(IPC1-7):G11B5/147 |
主分类号 |
G11B5/667 |
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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