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Rare earth thin film magnet, process for producing same, and target for forming rare earth thin fi 发明授权

2023-08-21 2110 1241K 0

专利信息

申请日期 2025-07-10 申请号 US15112458
公开(公告)号 US11250976B2 公开(公告)日 2022-02-15
公开国别 US 申请人省市代码 全国
申请人 JX Nippon Mining Metals Corporation
简介 The present invention provides a rare earth thin film magnet having Nd, Fe, and B as essential components, wherein the rare earth thin film magnet has a texture in which an α-Fe phase and a Nd2Fe14B phase are alternately arranged three-dimensionally, and each phase has an average crystal grain size of 10 to 30 nm. An object of this invention is to provide a rare earth thin film magnet having superior mass productivity and reproducibility and favorable magnetic properties, as well as to provide the production method thereof and a target for producing the thin film.


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