| 摘要 |
PURPOSE:To obtain a soft magnetic sintered body with high permeability and density with an axis of easy magnetization in a particular direction by orienting hexagonal magnetic powder with an axis of easy magnetization in a direction other than the C axis in a particular direction highly densely and then sintering it. CONSTITUTION:One or more aqueous soluble salts are mixed as flux, to a ferrite original material oxide which has a composition with an axis of easy magnetization in a direction other than the C axis by heat treating at 1000 to 1400 deg.C, it is subjected to heat treating at 1000 to 1400 deg.C, and then flux is removed by dissolving it in water. In this manner, a soft magnetic hexagonal system ferrite powder crystallized in plate shape is produced, a small amount of binder is added for coating, a sheet is formed, hot rolling is performed, and finally sintering is performed. Thus, a sintered body with a great permeability in the direction within the sheet surface can be obtained. |
