摘要 |
<P>PROBLEM TO BE SOLVED: To provide an oxide magnetic material for a resin mold electronic part which has small deterioration in magnetic characteristic due to a resin mold and a small change in permeability when a DC current is superimposed. <P>SOLUTION: In the oxide magnetic material for a resin mold electronic part, main components are 51.5 mol%-52.5 mol% of Fe<SB>2</SB>O<SB>3</SB>, 16.0 mol%-21.0 mol% of ZnO and the other component is MnO. The material contains as sub-components 200 ppm-1,400 ppm of CaCO<SB>3</SB>, 200 ppm-2,000 ppm of V<SB>2</SB>O<SB>5</SB>, 150 ppm or less (including zero) of SiO<SB>2</SB>, and 3,000 ppm or less (including zero) of Co<SB>3</SB>O<SB>4</SB>. <P>COPYRIGHT: (C)2005,JPO&NCIPI |