COIL COMPONENT AND ITS MANUFACTURING METHOD

COIL COMPONENT AND ITS MANUFACTURING METHOD

Disclosed herein is a coil component that includes a magnetic element body, a coil conductor embedded in the magnetic element body and having an end portion exposed from the magnetic element body, and a terminal electrode connected to the end portion of the coil conductor. The terminal electrode inc...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TONOGAI, Toru, Oyanagi, Yuichi, Inui, Kyosuke, Mannen, Maki
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRICITY
INDUCTANCES
MAGNETS
SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
TRANSFORMERS
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Beschreibung
Zusammenfassung:Disclosed herein is a coil component that includes a magnetic element body, a coil conductor embedded in the magnetic element body and having an end portion exposed from the magnetic element body, and a terminal electrode connected to the end portion of the coil conductor. The terminal electrode includes a conductive resin contacting the end portion of the coil conductor and containing conductive particles and a resin material, and a metal film covering the conductive resin. The end portion of the coil conductor has an exposed surface exposed from the magnetic element body and contacting the conductive resin and a non-exposed surface covered with the magnetic element body. The exposed surface is larger in surface roughness than the non-exposed surface.