发明名称 |
Magnetic recording medium and manufacturing method therefore |
摘要 |
A magnetic recording medium achieves excellent noise reduction by controlling the crystal orientation of a magnetic layer without thermal processing. The magnetic recording medium includes multiple layers laminated to a substrate. These layers include at least the magnetic layer and a non-magnetic under layer. The magnetic layer has a granular structure consisting of ferromagnetic grains with a hexagonal close-packed structure and non-magnetic grain boundaries composed mainly oxide or a nitride. The non-magnetic under-layer is a material having a body centered cubic crystal structure with a preferential orientation along a (200) plane parallel to a film surface of the under-layer.
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申请公布号 |
US2002114975(A1) |
申请公布日期 |
2002.08.22 |
申请号 |
US20010976248 |
申请日期 |
2001.10.11 |
申请人 |
OIKAWA TADAAKI;UWAZUMI HIROYUKI;SHIMIZU TAKAHIRO;TAKIZAWA NAOKI |
发明人 |
OIKAWA TADAAKI;UWAZUMI HIROYUKI;SHIMIZU TAKAHIRO;TAKIZAWA NAOKI |
分类号 |
G11B5/738;G11B5/65;G11B5/66;G11B5/73;G11B5/84;H01F10/16;H01F41/16;H01F41/18;(IPC1-7):G11B5/66 |
主分类号 |
G11B5/738 |
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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