| 申请日期 | 2025-09-07 | 申请号 | KR1020170149683 |
| 公开（公告）号 | KR1020190053611A | 公开（公告）日 | 2019-05-20 |
| 公开国别 | KR | 申请人省市代码 | 全国 |
| 申请人 | LG CHEM LTD | ||
| 简介 | According to one embodiment of the present invention, a method for cleaning a magnetic material comprises : a step of manufacturing a magnetic powder by sintering a mixture including a rare earth metal precursor, iron, and boron in the presence of calcium; and a step of washing the magnetic powder by using a non-aqueous fatty acid and a hydrocarbon-based organic solvent at room temperature.COPYRIGHT KIPO 2019 | ||
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