| 申请日期 | 2025-07-18 | 申请号 | US10295923 |
| 公开（公告）号 | US7018487B2 | 公开（公告）日 | 2006-03-28 |
| 公开国别 | US | 申请人省市代码 | 全国 |
| 申请人 | Hideaki Ono; Tetsurou Tayu; Munekatsu Shimada; Makoto Kano | ||
| 简介 | An exchange-spring magnet is prepared using a magnet alloy containing Ta and C in addition to Nd, Fe and B. This exchange-spring magnet uses the magnet alloy prepared by a liquid quenching method or a mechanical alloying method. Further, by subjecting the magnetic alloy having a part set in an amorphous state to heat treatment, an exchange-spring magnet exhibits good properties regarding magnetic flux density and coercive force. | ||
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