| 申请日期 | 2026-04-24 | 申请号 | US12331517 |
| 公开（公告）号 | US20090148718A1 | 公开（公告）日 | 2009-06-11 |
| 公开国别 | US | 申请人省市代码 | 全国 |
| 申请人 | Takao IMAGAWA; Yuichi Satsu; Matahiro Komuro; Hiroyuki Suzuki | ||
| 简介 | A powder compressed magnetic core, which is produced by compressing iron powder or alloy powder of which the main component is iron. A fluoride compound layer of a fluoride of a rare earth element or a fluoride of an alkaline earth metal is formed on the surface of the powder, and an under layer is formed between the fluoride layer and the iron powder or the alloy powder. | ||
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