专利名称：Magnetic recording medium comprising
acicular alloy magnetic powder
发明人：Nakazumi, Tetuya,Kishimoto, Mikio,Sueyoshi,
Toshinobu,Kawarai, Seigi
申请号：EP89120050.3申请日：19891028公开号：EP0367159A2公开日：19900509
摘要：An acicular alloy base magnetic powder comprising iron and cobalt, which has amajor particle size of not larger than 0.25 µm, an axial ratio of from 4 to 8, a cobaltcontent of from 8 to 50 % by weight based on the weight of iron and saturationmagnetization of at least 120 emu/g after being kept standing at the temperature of60°C and relative humidity of 90 % for a week, which has improved corrosion resistanceand can provide a magnetic recording medium suitable for recording in the shortwavelength range.
申请人：Hitachi Maxell Ltd.
地址：No 1-1-88, Ushitora Ibaraki-shi Osaka-fu JP
国籍：JP
代理机构：von Kreisler, Alek, Dipl.-Chem.
更多信息请下载全文后查看
因篇幅问题不能全部显示，请点此查看更多更全内容