Electronic component and method for manufacturing electronic component
AssigneeMurata Manufacturing Co., Ltd.
InventorsHironobu KUBOTA, Mitsunori INOUE
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Abstract
An electronic component includes a main body made from a metal magnetic powder and an insulating resin, a coating film covering the surface of the main body, a conductor disposed inside the main body, inorganic particles adhering to the surface of the coating film, and outer electrodes which are electrically connected to the conductor and which cover portions of the surface of the coating film while inorganic particles adhere to the portions, wherein the coating film contains a resin and metal cations.
Claims10
An electronic component comprising:
- a main body made from a metal magnetic powder and an insulating resin;
- a coating film covering the surface of the main body;
- a conductor disposed inside the main body;
- inorganic particles adhering to the surface of the coating film;
- and
- outer electrodes which are electrically connected to the conductor and which cover portions of the surface of the coating film while inorganic particles adhere to the portions,
- wherein the coating film contains a resin and metal cations.
A method for manufacturing an electronic component, comprising the steps of:
- preparing a main part including a main body made from a metal magnetic powder and an insulating resin and a conductor located inside an element assembly;
- preparing a mixed solution containing an ionizing component for ionizing a metal constituting the metal magnetic powder, an anionic surfactant, and a resin component;
- coating the main body with the mixed solution and performing drying;
- and
- making a dispersion that contains inorganic particles adhere to the main body and performing drying.
Dependencies are inferred from the claim text.