Patent ID: 11961645
Assignee: MURATA MANUFACTURING CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  B  C | IPC B  C  H

Claim 19:
20. A method for manufacturing a coil component comprising:
forming a coil portion inside or on a surface of a magnetic portion, the magnetic portion including a void portion, and soft magnetic metal particles having an insulating oxide layer on a surface thereof, the soft magnetic metal particles being bonded to each other with the insulating oxide layer interposed therebetween;
filling the void portion in the magnetic portion with a mixture containing a resin and inorganic particles; and
curing the resin,
wherein the resin contained in the mixture being a resin composition containing a liquid epoxy resin and a liquid acid anhydride, or a resin composition containing a resin obtained by dissolving a solid epoxy resin in a solvent to form a varnish, and a liquid acid anhydride.