| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide rare earth/iron/boron based permanent magnet material powder wherein superior magnetic property is obtained and mobility is improved, its manufacturing method, and a rare earth/iron/boron based permanent magnet wherein magnetic property is superior, miniaturization can be attained and productivity is improved. <P>SOLUTION: In the rare earth/iron/boron based permanent magnet material, metal melt containing rare earth element/iron/boron is subjected to powdering and quenching by a water atomizing method. The manufacturing method is provided with a process wherein the metal melt containing rare earth element/iron/boron is subjected to powdering and quenching by a water atomizing method. In the permanent magnet, main component is the rare earth/iron/boron based permanent magnet material. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
