| 申请日期 | 2026-04-23 | 申请号 | KR1020087015382 |
| 公开（公告）号 | KR1020080072069A | 公开（公告）日 | 2008-08-05 |
| 公开国别 | KR | 申请人省市代码 | 全国 |
| 申请人 | HITACHI METALS LTD | ||
| 简介 | A sintered ferrite magnet with M-type ferrite structure, containing, as indispensable constituent elements, Ca, element R being at least one rare earth element wherein La is indispensable, Ba, Fe and Co, and represented by the formula Ca1-x-yRxBayFe2n-zCoz {wherein (1-x-y), x, y, z and n respectively represent Ca, element R, Ba and Co contents and molar ratio, and the relations 0.2<=x<=0.65, 0.001<=y<=0.2, 0.03<=z<=0.65 and 4<=n<=7 are satisfied}. © KIPO & WIPO 2008 | ||
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