发明名称 |
VERTICAL MAGNETIC RECORDING MEDIUM |
摘要 |
A vertical magnetic recording medium comprises a non-magnetic substrate, a permalloy film consisting of plural permalloy layers separated by at least one non-magnetic layer placed therein, each of said plurality of permalloy layers being 2000 ANGSTROM or less thick, and a Co-Cr vertical magnetization film formed on the permalloy film directly or through another non-magnetic layer. |
申请公布号 |
EP0145446(A3) |
申请公布日期 |
1986.12.17 |
申请号 |
EP19840308447 |
申请日期 |
1984.12.05 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
SUGITA, RYUJI;HONDA, KAZUYOSHI;NISHIDA, HIROSHI;NODA, KYOJI |
分类号 |
G11B5/66;(IPC1-7):G11B5/66 |
主分类号 |
G11B5/66 |
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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