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MAGNETIC RECORDING MEDIUM 发明申请

2023-01-04 3450 104K 0

专利信息

申请日期 2025-07-11 申请号 JP2004288936
公开(公告)号 JP2006107553A 公开(公告)日 2006-04-20
公开国别 JP 申请人省市代码 全国
申请人 FUJI PHOTO FILM CO LTD
简介 PROBLEM TO BE SOLVED : To provide a magnetic recording medium having coercive force suitable for the magnetic recording medium and having excellent corrosion resistance and thermal stability. SOLUTION : In the magnetic recording medium having a magnetic recording layer containing magnetic particles of a rare earth-transition metal-semimetal having 5 to 50 nm particle diameter and a binder on a non-magnetic substrate, the magnetic particles have 10 to 15 at% rare earth, 70 to 80 at% transition metal and 5 to 15 at% semimetal, the transition metal is selected from Fe, Ni and Co and when its component is represented by Fe(100-x-y)CoxNiy, x=0 to 45 at% and y=25 to 30 at% or x=45 to 50 at% and y=10 to 25 at%. COPYRIGHT : (C)2006, JPO&NCIPI


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