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Method of manufacturing magnetic particles 发明授权

2023-09-04 1390 79K 0

专利信息

申请日期 2025-07-12 申请号 JP2004291256
公开(公告)号 JP4425107B2 公开(公告)日 2010-03-03
公开国别 JP 申请人省市代码 全国
申请人 FUJIFILM Corporation306037311
简介 Magnetic particles of the present invention comprising monocrystals of rare earth element-transition metal-metalloid having particle diameters of 5 nm to 50 nm. The magnetic particles are produced by a producing method comprising a step of fabricating a quenched thin band comprising rare earth element-transition metal-metalloid. A magnetic recording medium of the present invention includes the magnetic layer which contains therein the magnetic particles and the binder, and which is formed on the non-magnetic substrate.


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