发明名称 |
Magnetic recording medium, process for producing the same, and magnetic recording and reproducing apparatus |
摘要 |
A process for producing a magnetic recording medium, which process comprises a texturing step for forming texture grooves having a line density of 7,500 lines/mm or more on the surface of a non-metallic substrate, and a step for forming an orientation-determining film, a non-magnetic undercoat layer, and a magnetic layer on the non-metallic substrate.
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申请公布号 |
US7220447(B2) |
申请公布日期 |
2007.05.22 |
申请号 |
US20040953572 |
申请日期 |
2004.09.30 |
申请人 |
SHOWA DENKO K.K. |
发明人 |
FUKUSHIMA MASATO;SAKAGUCHI RYUJI;MATSUMURA YUKIHISA |
分类号 |
B05D5/12;G11B5/706;G11B5/73;G11B5/82;G11B5/84 |
主分类号 |
B05D5/12 |
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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