Patent ID: 6995643

Claim:
An inductance part comprising a magnetic core formed with a magnetic gap having a gap length of about 50–10,000 μm at least one position in a magnetic path thereof, a magnetically biasing magnet disposed in the vicinity of the magnetic gap for supplying a magnetic bias from both ends of the magnetic gap, and a coil winding wound on the magnetic core by at least one turn, wherein: said magnetically biasing magnet is a bond magnet comprising a plastic resin and magnetic powder dispersed in the plastic resin and has a specific resistance of 1Ω·cm or more; said magnetic powder being a rare-earth magnetic powder which has an intrinsic coercive force of 5 kOe or more, a Curie Point Tc of 300° C. or more, the maximum particle size equal to or less than 150 μm, and an average particle size of 2–50 μm, said rare-earth magnetic powder being one selected from a group of Sm—Co magnetic powder, Nd—Fe—B magnetic powder, and Sm—Fe—N magnetic powder.