| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a hard magnetism powder having high magnetic characteristics, containing a ThMn<SB>12</SB>phase. <P>SOLUTION: The hard magnetism powder forms a ThMn<SB>12</SB>type crystal structure and consists of a composition containing N. Its maximum grain diameter is 75μm or smaller, and particles of a grain diameter of 20 to 75μm occupy at least 80%. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
