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Ferrite magnetic material 发明授权

2023-03-03 3090 1056K 0

专利信息

申请日期 2025-07-09 申请号 US13382211
公开(公告)号 US9272955B2 公开(公告)日 2016-03-01
公开国别 US 申请人省市代码 全国
申请人 Junichi Nagaoka; Takahiro Mori; Hiroyuki Morita; Yoshihiko Minachi
简介 An object of the present invention is to provide a ferrite magnetic material capable of providing a permanent magnet in which high Br and HcJ are kept, and which has a high Hk/HcJ. A ferrite magnetic material in accordance with a preferred embodiment has a ferrite phase having a hexagonal structure and has a main composition represented by Ca1-w-x-yRwSrxBayFezMmO19 (R is at least one element of rare earth elements (including Y) essentially including La, and Bi, and M is at least one element of Co, Mn, Mg, Ni, Cu, and Zn essentially including Co), where 0.25


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