The paper described the composition and the sintering processes of high Bs and low loss soft magnetic Mn-Zn ferrite produced from refmed mine powders in place of Fe2O3. The optimal composition and sintering temperature was taken. The results showed that refined mine powders can manufacture excellent soft magnetic Mn- Zn ferrite.%叙述了用精矿粉代替铁红制备高Bs低功耗软磁Mn-Zn铁氧体配方和烧结工艺的研究结果，得出了最佳配方和最佳烧结温度，实验结果表明：用精矿粉可以代替Fe2O3制备出高性能的软磁Mn-Zn铁氧体。
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