发明授权
- 专利标题： Magnetic recording medium
- 专利标题（中）： 磁记录介质
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申请号： US88066申请日： 1987-08-21
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公开(公告)号： US4812358A公开(公告)日： 1989-03-14
- 发明人: Toru Miyake , Yasushi Nakano
- 申请人： Toru Miyake , Yasushi Nakano
- 申请人地址： JPX
- 专利权人： Konishiroku Photo Industry Co.
- 当前专利权人： Konishiroku Photo Industry Co.
- 当前专利权人地址： JPX
- 优先权： JPX61-199678 19860825
- 主分类号： C09D5/23
- IPC分类号： C09D5/23 ; G11B5/708 ; G11B5/70
摘要：
A magnetic recording medium is described which comprises a magnetic layer containing a magnetic powder, a first carbon black having a BET specific surface value of 80 m.sup.2 /g to 900 m.sup.2 /g and a DBP oil absorption value of less than 110 ml/100 g. The second carbon black is present in an amount of 3 to 15 parts by weight per 100 parts by weight of magnetic powder.
公开/授权文献
- USD415377S Desk top 公开/授权日：1999-10-19
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