发明名称 |
Magnetic recording medium |
摘要 |
Provided is a magnetic recording medium exhibiting good electromagnetic characteristics in high-density recording. The magnetic recording medium employed for magnetically recording signals with a track width equal to or less than 2.0 mum and reproducing the magnetically recorded signals, wherein said magnetic recording medium comprises a magnetic layer comprising a hexagonal ferrite ferromagnetic powder and a binder or comprises a nonmagnetic layer comprising a nonmagnetic powder and a binder and a magnetic layer comprising a hexagonal ferrite ferromagnetic powder and a binder in this order on a nonmagnetic support. Said magnetic layer has a thickness equal to or less than 0.2 mum, and said hexagonal ferrite ferromagnetic powder has an average plate diameter being {fraction (1/30 or less of the magnetically recorded track width as well as ½ or less of the thickness of the magnetic layer.
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申请公布号 |
US2004213948(A1) |
申请公布日期 |
2004.10.28 |
申请号 |
US20040762506 |
申请日期 |
2004.01.23 |
申请人 |
FUJI PHOTO FILM CO LTD |
发明人 |
SAITO SHINJI;NOGUCHI HITOSHI;YAMAZAKI NOBUO |
分类号 |
G11B5/70;G11B5/706;G11B5/714;G11B5/738;G11B5/78;(IPC1-7):B32B3/02 |
主分类号 |
G11B5/70 |
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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