发明名称 |
Base film for magnetic recording medium and magnetic recording medium using same |
摘要 |
<p>A base film for a magnetic recording medium including one surface, on which a magnetic layer can be formed, having a surface roughness of center line average roughness Ra of 10 nm or less, a ten-point average roughness Rz of 80 nm or less and a maximum height Rmax of 150 nm or less. The base film includes the other surface having a surface roughness of center line average roughness Ra of 4.5 to 20 nm, a ten-point average roughness Rz of 35 to 350 nm and a maximum height Rmax of 40 to 400 nm. <IMAGE></p> |
申请公布号 |
EP0730264(A2) |
申请公布日期 |
1996.09.04 |
申请号 |
EP19960102688 |
申请日期 |
1996.02.22 |
申请人 |
SONY CORPORATION |
发明人 |
CHIBA, KAZUNOBU;ITO, JOTA;TAKEDA, TSUTOMU;MATSUMURA, SHINICHI |
分类号 |
G11B5/66;G11B5/64;G11B5/65;G11B5/73;G11B5/733;G11B5/738;(IPC1-7):G11B5/704 |
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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