摘要 |
PROBLEM TO BE SOLVED: To provide a composite magnetic body produced using iron-based metal magnetic powder in which voltage resistance can be enhanced, and to provide a coil-embedded magnetic element.SOLUTION: The composite magnetic body is composed of iron-based metal magnetic powder, an electric insulating material and thermosetting resin. When the relative permittivity of the electric insulating material is &egr;a, and the relative permittivity of the thermosetting resin is &egr;b, the following relation is satisfied: &egr;a<&egr;b. |