发明名称 Process for producing permanent magnets and permanent magnet.
摘要 <p>Fe-B-R type permanent magnet is produced by: forming an anticorrosive coating film layer on a Fe-B-R base permanent magnet material body by means of vapor deposition to thereby improve the corrosion resistance thereof. The anticorrosive thin film is formed of metal, oxides, nitrides, carbides, borides, silicides, composite compositions thereof, or a mixture thereof. Additionally shot biasting, peening, heat treatment for forming an interdiffusion layer, and/or resin impregnation may be applied.</p>
申请公布号 EP0190461(A2) 申请公布日期 1986.08.13
申请号 EP19850116598 申请日期 1985.12.27
申请人 SUMITOMO SPECIAL METALS CO., LTD. 发明人 HAMADA, TAKAKI;HAYAKAWA, TETSUJI;MATSUURA, YUTAKA
分类号 H01F1/057;H01F41/02 主分类号 H01F1/057
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