发明名称 |
Magnetic recording medium |
摘要 |
A magnetic recording medium is disclosed, comprising a nonmagnetic support having thereon a magnetic layer containing ferromagnetic particles which are dispersed in a binder and have a tabular hexagonal crystal shape with an axis of easy magnetization perpendicular to the plate, wherein said ferromagnetic particles have a specific surface area of from 50 to less than 70 m2/g, and further said magnetic layer contains abrasive agents having a Mohs' hardness of 6 or more and having an average particle diameter of from 0.3 to 1.0 mu m in an amount of from 7 to 15 parts by weight per 100 parts by weight of the ferromagnetic particles.
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申请公布号 |
US4992328(A) |
申请公布日期 |
1991.02.12 |
申请号 |
US19880253636 |
申请日期 |
1988.10.06 |
申请人 |
FUJI PHOTO FILM CO., LTD. |
发明人 |
KATO, MIKIHIKO;ENDO, YASUSHI;KAWAMATA, TOSHIO |
分类号 |
G11B5/706;G11B5/708;G11B5/714 |
主分类号 |
G11B5/706 |
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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