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US 2025/0149247 A1Published application
Multi-layered ceramic capacitor
AssigneeSamsung Electronics Co., Ltd.
InventorJunghwan PARK
Life of this patent
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Abstract
Provided is a multi-layered ceramic capacitor in which a penetration-type electrode unit, which is manufactured in a cone shape, passes through a plurality of internal electrodes in a collective stack of the internal electrodes and the dielectric layers, so that the capacitor is miniaturized and the electrical reliability thereof is improved.
Claims20
A multi-layered ceramic capacitor comprising:
- a ceramic body including a dielectric layer, a plurality of first internal electrodes in the dielectric layer, and a plurality of second internal electrodes in the dielectric layer such that the dielectric layer spaces the plurality of first internal electrodes apart from the plurality of second internal electrodes;
- a first conductive electrode unit passing through the ceramic body in a third direction and electrically connected to the plurality of first internal electrodes;
- a second conductive electrode unit passing through the ceramic body in the third direction and electrically connected to the plurality of second internal electrodes;
- and
- first and second external electrodes on a first surface of the ceramic body, the first and second external electrodes connected to the first conductive electrode unit and the second conductive electrode unit, respectively,
- wherein the first and second conductive electrode units have a cone shape.
3 more elements
A multi-layered ceramic capacitor comprising:
- a ceramic body including a dielectric layer, a plurality of first internal electrodes, and a plurality of second internal electrodes, the plurality of first internal electrodes and the plurality of second internal electrodes alternating with each other with the dielectric layer between the plurality of first internal electrodes and the plurality of second internal electrodes;
- an external electrode on an upper surface of the ceramic body;
- a first conductive electrode unit passing through the plurality of first internal electrodes in the ceramic body and electrically connected to the external electrode;
- a second conductive electrode unit passing through the plurality of second internal electrodes in the ceramic body and electrically connected to the external electrode;
- and
- a lower dielectric layer in contact with lower surfaces of the first and second conductive electrode units and of the ceramic body,
- wherein the first and second conductive electrode units have a cone shape.
4 more elements
A multi-layered ceramic capacitor comprising:
- a ceramic body comprising a dielectric layer and a plurality of internal electrodes, the plurality of internal electrodes alternating with each other;
- a plurality of conductive electrode units connected to the plurality of internal electrodes, and passing through the ceramic body in a direction parallel to a direction in which the dielectric layer and the plurality of internal electrodes are stacked such that the plurality of conductive electrode units protrudes from a first surface of the ceramic body;
- a plurality of hemispherical external electrodes on the first surface of the ceramic body and such that each of the plurality of hemispherical external electrodes are on a corresponding protrusion of the protrusions of the plurality of conductive electrode units;
- and
- a lower dielectric layer on a second surface facing the first surface of the ceramic body, the lower dielectric layer in contact with the plurality of conductive electrode units,
- wherein the plurality of conductive electrode units each have a cone shape in which a diameter increases with distance from the first surface to the second surface of the ceramic body.
3 more elements
Dependencies are inferred from the claim text.