Patent ID: 6736990
Filing Date: 2004-05-18
Classification: C01G,C01P,C04B,H01F

Abstract:
An NiCuZn-based ferrite material containing, as main components, an iron oxide in an amount of 47.0 to 50.0 mol % in terms of Fe2O3, a manganese oxide in an amount of 0.3 to 1.5 mol % in terms of Mn2O3, a copper oxide in an amount of 2.0 to 8.0 mol % in terms of CuO, zinc oxide in an amount of 30.1 to 33.0 mol % in terms of ZnO and a nickel oxide in mol % in terms of NiO as the balance, wherein 0.5 to 6.0 wt % of bismuth oxide in terms of Bi2O3, 0.1 to 2.0 wt % of silicon oxide in terms of SiO2 and 0.05 to 1.0 wt % of magnesium oxide in terms of MgO are contained based on the main components.