COMPOUND MAGNETIC BODY, CIRCUIT SUBSTRATE USING THE SAME, AND ELECTRONIC EQUIPMENT USING THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a composite magnetic body for suppressing the deterioration of relative permeability in a high frequency, and for increasing a wavelength shortening rate when applying it to an electronic component and an antenna or the like. SOLUTION: The magnetic powder of compound magnetic body whose plastic deformation is easily carried out by a mechanical stress is acquired by doping metallic elements. In mixing the magnetic powder with distributed media, flatting is carried out by the shearing stress of the mechanical stress of distributed media, and plastic deformation is carried out in a crystal direction by the mechanical stress, and flat magnetic powder with a small thickness and a large aspect rate is acquired. The anti-magnetic field of the flat magnetic powder thus acquired is small so that it is possible to suppress the deterioration of relative permeability. COPYRIGHT: (C)2009,JPO&INPIT