| 摘要 |
A sintered ferrite magnet comprising metal elements of Ca, La, Fe and Co, whose atomic ratios are represented by the general formula of Ca 1-x La x Fe 2n-y Co y , wherein x and y, and n representing a molar ratio meet 0.3 ‰¤ x ‰¤ 0.6, 0.25 ‰¤ y ‰¤ 0.5, and 3 ‰¤ n ‰¤ 6, and further comprising 0.2% to 0.35% by mass of SiO 2 . |
