发明名称 |
Magnetic recording medium and process for its production |
摘要 |
A magnetic recording medium comprising a non-ferromagnetic substrate and a magnetic recording layer formed on the substrate with an underlayer of Cr or a Cr alloy interposed therebetween, which has a seed layer between the substrate and the underlayer, wherein said seed layer is made of a material which contains at least 30 ppm of oxygen and which has a B2 crystal structure.
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申请公布号 |
US6309765(B1) |
申请公布日期 |
2001.10.30 |
申请号 |
US19990262006 |
申请日期 |
1999.03.04 |
申请人 |
ASAHI KOMAG CO., LTD. |
发明人 |
SUEKANE MICHINOBU;IMAKAWA MAKOTO;HIRUMA TAKEHIKO;MITARAI KAZUHIKO |
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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