申请日期 | 2025-02-22 | 申请号 | US16472034 |
公开(公告)号 | US11305345B2 | 公开(公告)日 | 2022-04-19 |
公开国别 | US | 申请人省市代码 | 全国 |
申请人 | BAOTOU RESEARCH INSTITUTE OF RARE EARTHS; NATIONAL ENGINEERING RESEARCH CENTRE OF RUIKE RARE EARTH METALLURGY AND FUNCTION MATERIALS CO LTD; BAOTOU IRON STEEL (GROUP) CO LTD; XIAMEN INSTITUTE OF RARE EARTH MATERIALS; BAOTOU JINSHAN MAGNETIC MATERIAL CO LT | ||
简介 | A method for preparing a NdFeB permanent magnetic material may include providing a covered NdFeB magnetic powder by depositing heavy rare earth particles or high-melting particles onto a NdFeB magnetic powder by physical vapor deposition; and performing orientation molding and sintering on the covered NdFeB magnetic powder to provide the NdFeB permanent magnetic material. |
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