Method for producing coated magnetic powder, method for producing powder magnetic core, method for producing electromagnetic component

摘要

A method for producing a coated magnetic powder in which a surface of a soft magnetic powder is coated with a silicone resin, wherein a silicone emulsion is prepared by mixing the silicone resin in water containing a surfactant and dispersing the silicone resin in the water. A method for producing a coated magnetic powder, comprising: a preparatory step, an application step of applying the silicone emulsion to the particle surface of the soft magnetic powder, and a drying step of drying the soft magnetic powder after applying the silicone emulsion .