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Highly weather-resistant magnet powder and magnet produced by using the same 发明授权

2023-01-14 2790 679K 0

专利信息

申请日期 2025-08-19 申请号 US09963674
公开(公告)号 US6926963B2 公开(公告)日 2005-08-09
公开国别 US 申请人省市代码 全国
申请人 Kenji Ohmori; Toshiyuki Osako; Kayo Hashiguchi; Kouichi Yokosawa
简介 The objects of the present invention are to provide a highly weather-resistant iron-based magnet powder containing a rare-earth element, characterized by high coercive force in a practically important humid atmosphere, resin composition containing the same powder for bonded magnets, and bonded and compacted magnets containing the same powder. The present invention provides the above-described products by optimizing the functions and types of the phosphate coating film, uniformly formed over the surfaces of the iron-based magnet powder particles containing a rare-earth element.


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