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US 12,586,727 B2Granted
Multilayered capacitor and method for manufacturing the same
AssigneeSamsung Electro-Mechanics Co., Ltd.
InventorsChaedong Lee, Seung Ah Kim, Gyuho Yeon, Chulseung Lee
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Abstract
A multilayered capacitor including a capacitor body including a dielectric layer and an internal electrode, and an external electrode outside the capacitor body, wherein the external electrode includes a conductive resin layer disposed outside the capacitor body and including a resin and a conductive metal, and a metal layer disposed on a surface of the conductive resin layer and including a noble metal.
Claims31
A multilayered capacitor, comprising
- a capacitor body including a dielectric layer and an internal electrode, and
- an external electrode outside the capacitor body and on the capacitor body,
- wherein the external electrode includes:
- a conductive resin layer disposed outside the capacitor body and on the capacitor body, the conductive resin layer including a resin and a conductive metal, and
- a metal layer disposed on a surface of the conductive resin layer and including a noble metal, and
- in a cross-section of the multilayered capacitor in a longitudinal direction and a thickness direction at a center point in a width direction, a weight ratio of the noble metal to the conductive metal in a unit area of 25 μm×4 μm is about 0.05:1 to about 0.4:1.
3 more elements
A multilayered capacitor, comprising
- a capacitor body including a dielectric layer and an internal electrode, and
- an external electrode outside the capacitor body and on the capacitor body,
- wherein the external electrode includes:
- a conductive resin layer disposed outside the capacitor body and on the capacitor body, the conductive resin layer including a resin and a conductive metal, and
- a metal layer disposed on a surface of the conductive resin layer and including a noble metal, wherein the metal layer is free of resin, and
- in a cross-section of the multilayered capacitor in a longitudinal direction and a thickness direction at a center point in a width direction, a weight ratio of the noble metal to the conductive metal in a unit area of 25 μm×4 μm is about 0.05:1 to about 0.4:1.
3 more elements
A multilayered capacitor, comprising
- a capacitor body including a dielectric layer and an internal electrode, and
- an external electrode outside the capacitor body and on the capacitor body,
- wherein the external electrode includes:
- a conductive resin layer disposed outside the capacitor body and on the capacitor body, the conductive resin layer including a resin and a conductive metal, and
- a metal layer disposed on a surface of the conductive resin layer and including aggregated noble metal nanoparticles, and
- in a cross-section of the multilayered capacitor in a longitudinal direction and a thickness direction perpendicular to the width direction at a center point in the width direction, the metal layer includes (i) a break portion, (ii) an island portion, (iii) a pore portion, or any combination of (i) to (iii).
3 more elements
A multilayered capacitor, comprising
- a capacitor body including a dielectric layer and an internal electrode, and
- an external electrode outside the capacitor body and on the capacitor body,
- wherein the external electrode includes:
- a conductive resin layer disposed outside the capacitor body and on the capacitor body, the conductive resin layer including a resin and a conductive metal, and
- a metal layer disposed on a surface of the conductive resin layer and including noble metal nanoparticles, the noble metal nanoparticles include aggregated noble metal nanoparticles, and
- at least a portion of noble metal nanoparticles, among the aggregated noble metal nanoparticles, at an interface with the conductive resin layer penetrates into the conductive resin layer.
3 more elements
Dependencies are inferred from the claim text.