| 发明名称 |
VERTICAL MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING AND REPRODUCING DEVICE |
| 摘要 |
PROBLEM TO BE SOLVED: To obtain a vertical magnetic recording medium by which the generation of magnetic domain wall is suppressed and noise is suppressed. SOLUTION: Soft magnetic layers which contain a transition metal element and rare earth element, has an axis of easy magnetization and does not contain at least either of nitrogen and oxygen are used for the vertical two-layered film medium. COPYRIGHT: (C)2004,JPO
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| 申请公布号 |
JP2004118977(A) |
申请公布日期 |
2004.04.15 |
| 申请号 |
JP20020284046 |
申请日期 |
2002.09.27 |
| 申请人 |
TOSHIBA CORP;SHOWA DENKO KK |
发明人 |
NAKAMURA FUTOSHI;HIKOSAKA KAZUYUKI;OIKAWA SOICHI;IWASAKI TAKAYUKI;SAKAI HIROSHI;SHIMIZU KENJI;SAKAWAKI AKIRA |
| 分类号 |
G11B5/667;G11B5/738;H01F10/16;H01F10/30;H01F41/18;(IPC1-7):G11B5/667 |
主分类号 |
G11B5/667 |
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