发明名称 |
MAGNETIC RECORDING MEDIUM |
摘要 |
There is disclosed a magnetic recording medium comprising a support and provided thereon a plurality of layers. The layers comprise an outermost magnetic layer and a lower magnetic layer, wherein the outermost magnetic layer contains carbon black having an average primary particle size ranging from 40 m mu to 300 m mu , and the lower magnetic layer contains carbon black having an average primary particle size ranging from 5 m mu to 30 m mu . |
申请公布号 |
KR0165106(B1) |
申请公布日期 |
1999.03.20 |
申请号 |
KR19890018427 |
申请日期 |
1989.12.12 |
申请人 |
KONICA CORPORATION |
发明人 |
KOYAMA, NOBORU;NAKANO, YASUSHI;KAWAHARA, SETSUKO;NAKAJIMA, NOBORU |
分类号 |
G11B5/708;G11B5/714;G11B5/716;(IPC1-7):G11B5/716 |
主分类号 |
G11B5/708 |
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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