发明名称 |
MAGNETIC RECORDING MEDIUM, METHOD FOR PRODUCTION THEREOF AND MAGNETIC RECORDING AND REPRODUCING DEVICE USING THE MEDIUM |
摘要 |
A magnetic recording medium includes at least a soft under layer, a perpendicular magnetic recording film and a protective film that are stacked on a nonmagnetic substrate. The nonmagnetic substrate is a disk of silicon having a diameter of 48 mm or less. A method for the production of the magnetic recording medium includes exerting a bias onto the silicon substrate when forming the protective film. A magnetic recording medium can be produced using the method. A magnetic recording and reproducing device can be produced using the magnetic recording medium and a magnetic head for recording and reproducing information in the magnetic recording medium. The magnetic head is a magnetic monopole head. |
申请公布号 |
WO2005120176(A3) |
申请公布日期 |
2006.05.11 |
申请号 |
WO2005JP10744 |
申请日期 |
2005.06.07 |
申请人 |
SHOWA DENKO K.K.;SHIMIZU, KENJI |
发明人 |
SHIMIZU, KENJI |
分类号 |
G11B5/73;G11B5/64;G11B5/65;G11B5/667;G11B5/72;G11B5/84 |
主分类号 |
G11B5/73 |
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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