发明名称 |
Magnetic recording material |
摘要 |
In construction of a magnetic recording material having overlaid anodic oxide layers and well suited for perpendicular magnetic recording, a substrate is made of a hard material and Al predominant layers of 0.1 to 2 mu m thickness and formed on the substrate as a base for the overlaid anodic oxide layers for improvement in mechanical properties with acceptable magnetic recording characteristics.
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申请公布号 |
US4895762(A) |
申请公布日期 |
1990.01.23 |
申请号 |
US19870132929 |
申请日期 |
1987.12.15 |
申请人 |
YAMAHA CORPORATION |
发明人 |
TOKUSHIMA, TADAO;SHIRAKI, MAKOTO;SUZUKI, YOSHIFUMI;WAKUI, YUKIO |
分类号 |
G11B5/66;G11B5/64;G11B5/65;G11B5/73;G11B5/738;G11B5/82;(IPC1-7):G11B5/64 |
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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