| 摘要 |
PURPOSE:To obtain a magnetic oxide material having high magnetic permeability, causing only a small loss, and suitable for use as the material of the iron core of a converter for communications equipment by blending ferric oxide, manganese oxide and zinc oxide as principal components with specified metallic oxides. CONSTITUTION:This magnetic oxide material is obtd. by blending 50-56mol% Fe2O3 (A), 22-39mol% MnO (B) and 8-25mol% ZnO (C) as principal components with 0.003-0.1wt% CaO (D) and 0.003-0.05wt% Bi2O3 (E) as secondary components. |
