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US 2024/0194403 A1Published application
Multilayer electronic component
AssigneeSamsung Electro-Mechanics Co., Ltd.
InventorsBum Suk Kang, Dae Woo Yoon, Da Mi Kim, Su Jin Lee
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Abstract
A protective layer including glass may be disposed between an end of a first electrode layer in contact with one end of an internal electrode and a body thereby blocking a penetration path of external moisture, a plating solution, and hydrogen to improve the moisture resistance reliability of a multilayer electronic component.
Claims52
A multilayer electronic component comprising:
- a body comprising:
- a dielectric layer;
- and
- first and second internal electrodes alternately arranged with the dielectric layer interposed therebetween in a first direction,
- wherein the body includes:
- first and second surfaces opposing each other in the first direction, third and fourth surfaces opposing each other in a second direction and connected to the first and second surfaces, fifth and sixth surfaces opposing each other in a third direction and connected to the first to fourth surfaces, a first corner connecting the third surface to the first, second, fifth, and sixth surfaces, and a second corner for connecting the fourth surface to the first, second, fifth and sixth surfaces;
- a first external electrode disposed on the third surface, the first external electrode including a first-first electrode layer disposed on the third surface and the first corner, and a first-second electrode layer disposed on the first-first electrode layer and extends to a portion of the first, second, fifth, and sixth surfaces;
- a second external electrode disposed on the fourth surface, the second external electrode including a second-first electrode layer disposed on the fourth surface and the second corner, and a second-second electrode layer disposed on the second-first electrode layer and extends to a portion of the first, second, fifth, and sixth surfaces;
- and
- a protective layer including a first glass and disposed between the first-first electrode layer and the first corner and between the second-first electrode layer and the second corner,
- wherein the protective layer is disposed to be spaced apart from:
- (i) an extension line extending along the first direction and from a first end of the first internal electrode, where the first end is closer to the fourth surface than to the third surface, and (ii) an extension line extending along the first direction and from a second end of the second internal electrode, where the second end is closer to the third surface than to the fourth surface.
9 more elements
A multilayer electronic component comprising:
- a body comprising:
- a dielectric layer;
- and
- first and second internal electrodes alternately arranged with the dielectric layer in a first direction,
- wherein the body includes first and second surfaces opposing each other in the first direction, third and fourth surfaces opposing each other in a second direction and connected to the first and second surfaces, and fifth and sixth surfaces opposing each other in a third direction and connected to the first to fourth surfaces;
- an external electrode disposed on the third and fourth surfaces, the external electrode including:
- a first electrode layer including Ni and disposed on the third and fourth surfaces to come into contact with a second directional end of the first and second internal electrodes;
- and
- a second electrode layer including Cu and extending from the first electrode layer to a portion of the first, second, fifth, and sixth surfaces;
- and
- a protective layer including a first glass that includes at least one of Na and Fe, wherein the protective layer is disposed between an end of the first electrode layer and the body.
8 more elements
A multilayer electronic component comprising:
- a body comprising:
- a dielectric layer;
- and
- first and second internal electrodes alternately arranged with the dielectric layer in a first direction, wherein the body includes first and second surfaces opposing each other in the first direction, third and fourth surfaces opposing each other in a second direction and connected to the first and second surfaces, and fifth and sixth surfaces opposing each other in a third direction and connected to the first to fourth surfaces;
- an external electrode disposed on the third and fourth surfaces, the external electrode including:
- a first electrode layer including a first conductive metal and disposed on the third surface and the fourth surface to come into contact with a second directional end of the first and second internal electrodes;
- and
- a second electrode layer including a second conductive metal and a second glass, and extending from the first electrode layer to a portion of the first, second, fifth, and sixth surfaces;
- and
- a protective layer including a first glass disposed between the body and an end of the first electrode layer,
- wherein wettability of the second glass with respect to the first conductive metal is greater than that of the second glass with respect to the second conductive metal.
8 more elements
A multilayer electronic component comprising:
- a body comprising:
- a dielectric layer;
- and
- first and second internal electrodes alternately arranged with the dielectric layer in a first direction;
- an external electrode disposed on the body, the external electrode including:
- a first electrode layer including a first conductive metal and disposed on the body to come into contact with a second directional end of the first and second internal electrodes;
- and
- a second electrode layer including a second conductive metal and disposed on the first electrode layer;
- and
- a protective layer including a first glass that includes Fe, wherein the protective layer is disposed between an end of the first electrode layer and the body.
7 more elements
A multilayer electronic component comprising:
- a body comprising:
- a dielectric layer;
- and
- first and second internal electrodes alternately arranged with the dielectric layer in a first direction;
- an external electrode disposed on the body, the external electrode including:
- a first electrode layer including a first conductive metal and disposed on the body to come into contact with a second directional end of the first and second internal electrodes;
- and
- a second electrode layer including a second conductive metal and a second glass, and disposed on the first electrode layer;
- and
- a protective layer including a first glass that includes Fe, wherein the protective layer is disposed between the body and an end of the first electrode layer,
- wherein wettability of the second glass with respect to the first conductive metal is greater than that of the second glass with respect to the second conductive metal.
8 more elements
Dependencies are inferred from the claim text.