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US 11,056,275 B2Granted
Coil electronic component
AssigneeSamsung Electro-Mechanics Co., Ltd.
InventorsSoon Kwang Kwon, Young Seuck Yoo, Joong Won Park, Jung Wook Seo
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Abstract
A coil electronic component includes a body including ferrite, a coil portion embedded in the body, external electrodes electrically connected to the coil portion, and a magnetic permeability adjusting layer disposed in the body and including ferrite having a Curie temperature lower than that of the ferrite included in the body.
Claims20
A coil electronic component comprising:
- a body including ferrite;
- a coil portion embedded in the body;
- external electrodes connected to the coil portion;
- and
- a magnetic permeability adjusting layer disposed in the body and including ferrite having a Curie temperature lower than that of the ferrite included in the body,
- wherein each of the ferrite included in the body and the ferrite included in the magnetic permeability adjusting layer includes Ni—Zn—Cu-based ferrite, and
- the Curie temperature of the ferrite included in the magnetic permeability adjusting layer is 80° C. to 120° C.
4 more elements
A coil electronic component comprising:
- a body including ferrite;
- a coil portion embedded in the body;
- external electrodes connected to the coil portion;
- and
- a first magnetic permeability adjusting layer and a plurality of second magnetic permeability adjusting layers disposed in the body,
- wherein the first magnetic permeability adjusting layer is disposed between the plurality of second magnetic permeability adjusting layers, and
- the plurality of second magnetic permeability adjusting layers include ferrite having a Curie temperature higher than that of ferrite included in the first magnetic permeability adjusting layer and lower than that of the ferrite included in the body.
4 more elements
A coil electronic component comprising:
- a body including ferrite;
- a coil portion embedded in the body;
- external electrodes connected to the coil portion;
- and
- a magnetic permeability adjusting layer disposed in the body and including ferrite having a Curie temperature lower than that of the ferrite included in the body,
- wherein each of the ferrite included in the body and the ferrite included in the magnetic permeability adjusting layer includes Ni—Zn—Cu-based ferrite, and
- the Curie temperature of the ferrite included in the body is 150° C. to 200° C.
4 more elements
Dependencies are inferred from the claim text.