The ferrite material and the ferrite substrate and the electromagnetic wave absorption component null Fe which

摘要

PROBLEM TO BE SOLVED: To obtain a ferrite material excellent in sintering property with bending strength of 150 MPa or more, magnetic permeability of 1600 or more at around 1 MHz.;SOLUTION: The ferrite material contains 100 pts.wt main ingredient consisting of 60-70 wt.% Fe2O3, 7-15 wt.% NiO, 15-25 wt.% ZnO, 0-5 wt.% CuO, 0-3 wt.% MnO, and incorporated with 0.1-1 pts.wt. each of SiO2, Al2O3, CaO, MgO, Cr2O3, and 0.001-1 pts.wt. ZrO2.;COPYRIGHT: (C)2002,JPO