发明名称 |
Perpendicular magnetic recording medium |
摘要 |
A perpendicular magnetic recording medium is provided. The perpendicular magnetic recording medium includes: a perpendicular magnetic recording layer formed on a substrate; and at least one soft magnetic under-layer formed between the substrate and the perpendicular magnetic recording layer, wherein the soft magnetic under-layer is made from an alloy of a non-magnetic material and a magnetic material which exists in the form of granular nanoparticles in matrix of the non-magnetic material, and at least two of the magnetic nanoparticles are spaced apart from one another by a predetermined distance so as to mutually make an anti-ferromagnetic coupling.
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申请公布号 |
US2007298286(A1) |
申请公布日期 |
2007.12.27 |
申请号 |
US20060643775 |
申请日期 |
2006.12.22 |
申请人 |
SAMSUNG ELECTRONICS CO., LTD. |
发明人 |
LEE HOO SAN;OH HOON SANG;KONG SOK HYUN;YOON SEONG YONG |
分类号 |
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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