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BONDED RARE EARTH MAGNET 发明申请

2023-06-16 2130 498K 0

专利信息

申请日期 2025-07-27 申请号 EP09831699
公开(公告)号 EP2381452A1 公开(公告)日 2011-10-26
公开国别 EP 申请人省市代码 全国
申请人 Aichi Steel Corporation
简介 A bonded rare earth magnet which exhibits excellent magnetic properties for a long time is provided by improving oxidation resistance at high temperatures. The magnet has a magnet body (10) comprising magnet powder (11) containing a rare earth element and a resin part (12) binding the magnet powder (11) and having a structure in which the magnet powder (11) is embedded in the resin part (12); and an amorphous carbon film (91) formed directly on a surface of the magnet body (10), the resin part (12) comprising a binder resin part (14) binding the magnet powder (11); and a resin layer (13) serving as a surface layer of the magnet body (10) and covering the magnet powder (11). The binder resin part and the resin layer are formed of the same resin material and are continuous and integral with each other.


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