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US 11,587,735 B2Granted
Multilayer electronic component and manufacturing method thereof
AssigneeSamsung Electro-Mechanics Co., Ltd.
InventorsJin Soo Park, Myung Jun Park, Hyun Hee Gu, Bum Soo Kim, Yeon Song Kang, Duk Hyun Chun, Chung Eun Lee
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Abstract
A multilayer electronic component, in which the external electrode may be thinned to secure capacitance per unit volume, while securing the external electrode at a corner in a specific thickness or higher with improved reliability for moisture resistance.
Claims20
A multilayer electronic component comprising:
- a body including a dielectric layer, and a first internal electrode and a second internal electrode alternately disposed in a first direction with the dielectric layer interposed therebetween, and including a first surface and a second surface opposing each other in the first direction, a third surface and a fourth surface connected to the first and second surfaces and opposing each other in a second direction, and a fifth surface and a sixth surface connected to the first to fourth surfaces and opposing each other in a third direction;
- and
- a first external electrode including a first electrode layer disposed on one of the third and fourth surfaces, a second electrode layer disposed on the first electrode layer, a third electrode layer disposed on the first and second surfaces, and a fourth electrode layer disposed on the second electrode layer and extending onto a portion of the third electrode layer,
- wherein the fourth electrode layer includes a conductive metal and glass, and is in direct contact with the second electrode layer and the third electrode layer, and
- among the first surface, the second surface, and the one of the third and fourth surfaces, the third electrode layer is disposed on only the first surface and the second surface.
2 more elements
A multilayer electronic component comprising:
- a body including a dielectric layer, and a first internal electrode and a second internal electrode alternately disposed in a first direction with the dielectric layer interposed therebetween, and including a first surface and a second surface opposing each other in the first direction, a third surface and a fourth surface connected to the first and second surfaces and opposing each other in a second direction, and a fifth surface and a sixth surface connected to the first to fourth surfaces and opposing each other in a third direction;
- and
- a first external electrode including a first electrode layer disposed on one of the third and fourth surfaces, a second electrode layer disposed on the first electrode layer, a third electrode layer disposed on the first and second surfaces, and a fourth electrode layer disposed on the second electrode layer and extending onto a portion of the third electrode layer,
- wherein the fourth electrode layer includes a conductive metal and glass, and is in direct contact with the second electrode layer and the third electrode layer, and
- thicknesses of the first and second electrode layers in a central portion of the body in the first direction are defined as Ta1 and Tb1, respectively, thicknesses of the first and second electrode layers, at a point at which an internal electrode disposed at an outermost side in the first direction is located, among the first and second internal electrodes, are defined as Ta2 and Tb2, respectively, Ta2/Ta1 is 0.9 to 1.1, and Tb2/Tb1 is 0.9 to 1.1.
2 more elements
A multilayer electronic component comprising:
- a body including a dielectric layer, and a first internal electrode and a second internal electrode alternately disposed in a first direction with the dielectric layer interposed therebetween, and including a first surface and a second surface opposing each other in the first direction, a third surface and a fourth surface connected to the first and second surfaces and opposing each other in a second direction, and a fifth surface and a sixth surface connected to the first to fourth surfaces and opposing each other in a third direction;
- and
- a first external electrode including a first electrode layer disposed on one of the third and fourth surfaces, a second electrode layer disposed on the first electrode layer, a third electrode layer disposed on the first and second surfaces, and a fourth electrode layer disposed on the second electrode layer and extending onto a portion of the third electrode layer,
- wherein the fourth electrode layer includes a conductive metal and glass, and is in direct contact with the second electrode layer and the third electrode layer, and
- among the first surface, the second surface, and the one of the third and fourth surfaces, each of the first and second electrode layers is disposed on only the one of the third and fourth surfaces.
2 more elements
A multilayer electronic component comprising:
- a body including a dielectric layer, and a first internal electrode and a second internal electrode alternately disposed in a first direction with the dielectric layer interposed therebetween, and including a first surface and a second surface opposing each other in the first direction, a third surface and a fourth surface connected to the first and second surfaces and opposing each other in a second direction, and a fifth surface and a sixth surface connected to the first to fourth surfaces and opposing each other in a third direction;
- and
- a first external electrode including a first electrode layer disposed on one of the third and fourth surfaces, a second electrode layer disposed on the first electrode layer, a third electrode layer disposed on the first and second surfaces, and a fourth electrode layer disposed on the second electrode layer and extending onto a portion of the third electrode layer,
- wherein the first external electrode further comprises a plating layer disposed on the fourth electrode layer and directly on a portion of the third electrode layer.
1 more element
A multilayer electronic component comprising:
- a body including a dielectric layer, and a first internal electrode and a second internal electrode alternately disposed in a first direction with the dielectric layer interposed therebetween, and including a first surface and a second surface opposing each other in the first direction, a third surface and a fourth surface connected to the first and second surfaces and opposing each other in a second direction, and a fifth surface and a sixth surface connected to the first to fourth surfaces and opposing each other in a third direction;
- and
- a first external electrode including a first electrode layer disposed on one of the third and fourth surfaces, a second electrode layer disposed on the first electrode layer, a third electrode layer disposed on the first and second surfaces, and a fourth electrode layer disposed on the second electrode layer and extending onto a portion of the third electrode layer,
- wherein, among the first surface, the second surface, and the one of the third and fourth surfaces, the third electrode layer is disposed on only the first and second surfaces,
- the third electrode covers an end of one or more of the first and second electrode layers in the first direction,
- the second electrode layer extends from the end of the first electrode layer to another end of the first electrode layer in the first direction,
- among the first surface, the second surface, and the one of the third and fourth surfaces, the second electrode layer is disposed on only the one of the third and fourth surfaces.
4 more elements
Dependencies are inferred from the claim text.