发明名称 MAGNETIC RECORDING MEDIUM
摘要 A magnetic recording medium comprising a nonmagnetic substrate, and a soft magnetic layer and a ferromagnetic layer formed in this order on the nonmagnetic layer, in which the ferromagnetic layer has a thickness of from 3 to 150 nm, contains spherical, ellipsoidal or plate-form ferromagnetic particles and a binder, and has an axis of easy magnetization substantially in the vertical direction, and the soft magnetic layer contains spherical or ellipsoidal Fe-Co-containing soft magnetic particles having a saturation magnetization of from 170 to 220 Am2/kg, and a binder.
申请公布号 US2009042063(A1) 申请公布日期 2009.02.12
申请号 US20080167072 申请日期 2008.07.02
申请人 HITACHI MAXELL, LTD. 发明人 INOUE TETSUTARO;MATSUO KAZUTAKA;OWAKI TAKAYUKI
分类号 G11B5/667 主分类号 G11B5/667
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