发明名称 Rare earth-iron magnet
摘要 A rare earth-iron permanent magnet is comprised of compacted Re-B-R type alloy particles in which R represents at least one element selected from rare earth elements and yttrium. The magnet has a sealing agent filling voids between the compacted Fe-B-R type alloy particles and a coating layer formed on outer surfaces thereof. The coating layer is formed by coating the surfaces wrought in a desired magnet shape.
申请公布号 US4863805(A) 申请公布日期 1989.09.05
申请号 US19870059737 申请日期 1987.06.08
申请人 SEIKO INSTRUMENTS INC. 发明人 SUZUKI, TERUO;KISHI, MATSUO;MURAISHI, KATSUYOSHI;OGAWA, KENICHI;TAKASHIO, HIROSHI
分类号 H01F1/057;H01F41/02;H02K1/02;H02K15/03 主分类号 H01F1/057
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