发明名称 |
Magnetic recording medium |
摘要 |
A magnetic recording medium improved in durability which comprises a substrate and a magnetic layer of about 1.0 to 10 mu in thickness comprising magnetic particles and a binder and being formed on the substrate, characterized in that the magnetic layer further comprises (a) a liquid hydrocarbon having a melting or flowing point of about -20 DEG to -60 DEG C. with (b) alpha -iron oxide particles having a particle size of 0.5 to 2 mu and/or (c) a higher fatty acid having a melting point of about 45 DEG C. or higher.
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申请公布号 |
US4223361(A) |
申请公布日期 |
1980.09.16 |
申请号 |
US19780961279 |
申请日期 |
1978.11.16 |
申请人 |
HITACHI MAXELL, LTD. |
发明人 |
ZAITSU, HIROSHI;YAMASE, TAKASHI;YAMASHITA, SADAO;MIZUSHIMA, KUNIO |
分类号 |
G11B5/708;G11B5/71;G11B5/718;(IPC1-7):H01F10/02;G11B5/62 |
主分类号 |
G11B5/708 |
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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