发明名称 MAGNETIC MEDIUM
摘要 Magnetic recording medium having a magnetic layer in which magnetic powder of the magnetic layer includes iron oxide magnetic powder with more than 30 m2/g specific surface area measured by BET method, chromium dioxide (CrO2) magnetic powder with more than 30 m2/g specific surface area measured by BET method, and the rate of the chromium dioxide powder is within a range more than 3% to less than 20% by weight in the total amount of the magnetic powder in the magnetic powder. Said magnetic layer further includes carbon black.
申请公布号 KR930000072(B1) 申请公布日期 1993.01.08
申请号 KR19850003865 申请日期 1985.06.03
申请人 HITACHI MAXCELL CO., LTD. 发明人 MORIOKA, AKIRA;MACHIURA, TAKESHI;TAKAHIRA, YOSHIKOGI
分类号 C09C1/48;C09D5/23;C09D7/12;G11B5/706;G11B5/708;G11B5/714;(IPC1-7):G11B5/62 主分类号 C09C1/48
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