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US 12,191,067 B2Granted
Coil component
AssigneeMurata Manufacturing Co., Ltd.
InventorsKenichi Araki, Keiichi Ishida, Yutaka Noguchi
Life of this patent
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Abstract
A coil component including a substantially rectangular parallelepiped first magnetic portion that includes a coil conductor and a second magnetic portion disposed on at least the upper surface of the first magnetic portion. The first magnetic portion contains first magnetic particles including a metal magnetic material, the second magnetic portion contains second magnetic particles and a resin, and the resin content in the second magnetic portion is higher than the resin content in the first magnetic portion.
Claims19
A coil component comprising:
- a substantially rectangular parallelepiped first magnetic portion that includes a coil conductor, and the first magnetic portion contains first magnetic particles including a metal magnetic material;
- and
- a second magnetic portion disposed on at least an upper surface of the first magnetic portion, and the second magnetic portion contains second magnetic particles and a resin,
- wherein a resin content of the resin in the second magnetic portion is higher than a resin content in the first magnetic portion,
- an insulating film is disposed on a lower surface of the first magnetic portion except where an outer electrode is disposed on the lower surface of the first magnetic portion, and
- the insulating film contacts both the first magnetic portion and second magnetic portion on a bottom surface of the coil component.
3 more elements
Dependencies are inferred from the claim text.