# US 12,603,229 B2 · Multilayered electronic component > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,603,229 B2 - Document ID: US12603229B2 - Status: Granted - Kind: B2 - Application number: 18/753,699 - Filed: 2024-06-25 - Published: 2025-02-13 - Granted: 2026-04-14 - Earliest claimed: 2023-08-07 - Assignees: Samsung Electro-Mechanics Co., Ltd. - Applicants: Samsung Electro-Mechanics Co., Ltd. - Inventors: Byung Hun Lee; Sang Won Choi; Kun Hoi Koo; Ho Jae Lee - Web page: https://patentgrep.com/patent/US12603229B2 ## CPC - H01G 4/30: Stacked capacitors (H01G4/33 takes precedence) - H01G 4/008: Selection of materials - H01G 4/012: Form of non-self-supporting electrodes - H01G 4/12: Ceramic dielectrics {(H01G4/085 takes precedence)} - H01G 4/224: Housing; Encapsulation - H01G 4/232: electrically connecting two or more layers of a stacked or rolled capacitor - H01G 4/0085: {Fried electrodes} - H01G: CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE (selection of specified materials as dielectric H01B3/00; capacitors having potential barriers H10D1/62, H10K10/10) ## Abstract A multilayer electronic component includes a body having a first internal electrode, a second internal electrode, and a first auxiliary electrode and a second auxiliary electrode spaced apart from each other, in which the first internal electrode and the second internal electrode are alternately arranged with the first and second auxiliary electrode layers interposed therebetween; a first external electrode connected to the first internal electrode and the first auxiliary electrode; and a second external electrode connected to the second internal electrode and the second auxiliary electrode, in which at least a portion of the first internal electrode overlaps the second auxiliary electrode, and at least a portion of the second internal electrode overlaps the first auxiliary electrode. ## Claims ### Claim 1 A multilayer electronic component comprising: a body having first and second surfaces opposing in a first direction, third and fourth surfaces connected to the first and second surfaces and opposing in a second direction, and fifth and sixth surfaces connected to the first to fourth surfaces and opposing in a third direction, the body including a first internal electrode layer including a first dielectric layer and a first internal electrode disposed on the first dielectric layer, a second internal electrode layer including a second dielectric layer and a second internal electrode disposed on the second dielectric layer, and an auxiliary electrode layer including a third dielectric layer and a first auxiliary electrode and a second auxiliary electrode disposed on the third dielectric layer and spaced apart from each other in the second direction, wherein the first internal electrode layer and the second internal electrode layer are alternately disposed in the first direction with the auxiliary electrode layer interposed therebetween; a first external electrode disposed on the third surface and connected to the first internal electrode and the first auxiliary electrode; and a second external electrode disposed on the fourth surface and connected to the second internal electrode and the second auxiliary electrode, wherein at least a portion of the first internal electrode overlaps the second auxiliary electrode in the first direction, and at least a portion of the second internal electrode overlaps the first auxiliary electrode in the first direction. ### Claim 2 (depends on 1) The multilayer electronic component of claim 1, satisfying L1+L2>L3, where L1 is a length in the second direction at which the second internal electrode and the first auxiliary electrode overlap each other in the first direction, L2 is a length in the second direction at which the first internal electrode and the second auxiliary electrode overlap each other in the first direction, and L3 is a distance at which the first auxiliary electrode and the second auxiliary electrode are spaced apart from each other in the second direction, based on cross-sections of the body in the first and second directions. ### Claim 3 (depends on 2) The multilayer electronic component of claim 2, further satisfying L1>L3 and L2>L3. ### Claim 4 (depends on 2) The multilayer electronic component of claim 2, further satisfying 0.5×Lo≤L1+L2≤0.9×Lo, where Lo is a size of the body in the second direction. ### Claim 5 (depends on 2) The multilayer electronic component of claim 2, further satisfying 0.05×Lo≤L3≤0.4×Lo, where Lo is a size of the body in the second direction. ### Claim 6 (depends on 1) The multilayer electronic component of claim 1, wherein the body comprises a plurality of first capacitance formation portions each including two first auxiliary electrodes adjacent to each other in the first direction disposed with the second internal electrode interposed therebetween, a plurality of second capacitance formation portions each including two second auxiliary electrodes adjacent to each other in the first direction disposed with the first internal electrode interposed therebetween, and a third capacitance formation portion including the first internal electrode and the second internal electrode alternately disposed through a region in which the first auxiliary electrode and the second auxiliary electrode are spaced apart from each other in the second direction. ### Claim 7 (depends on 6) The multilayer electronic component of claim 6, wherein the plurality of first capacitance formation portions are arranged in the first direction and the plurality of second capacitance formation portions are arranged in the first direction, and the plurality of first capacitance formation portions are arranged to be staggered with the plurality of second capacitance formation portions. ### Claim 8 (depends on 1) The multilayer electronic component of claim 1, wherein the body comprises a stacked portion in which the first and second internal electrodes are alternately disposed with the first and second auxiliary electrodes interposed therebetween, and a cover portion disposed on both surfaces of the stacked portion facing the first direction. ### Claim 9 (depends on 8) The multilayer electronic component of claim 8, wherein the first internal electrode, the second internal electrode, the first auxiliary electrode, and the second auxiliary electrode are not disposed in the cover portion. ### Claim 10 (depends on 8) The multilayer electronic component of claim 8, wherein the cover portion comprises a first dummy electrode connected to the first external electrode, and a second dummy electrode spaced apart from the first dummy electrode and connected to the second external electrode. ### Claim 11 (depends on 10) The multilayer electronic component of claim 10, wherein the first dummy electrode is spaced apart from an end of the second internal electrode in the second direction, and the second dummy electrode is spaced apart from an end of the first internal electrode in the second direction. ### Claim 12 A multilayer electronic component comprising: a body having first and second surfaces opposing in a first direction, third and fourth surfaces connected to the first and second surfaces and opposing in a second direction, and fifth and sixth surfaces connected to the first to fourth surfaces and opposing in a third direction, the body comprising a plurality of first internal electrode layers each including a first dielectric layer and a first internal electrode disposed on the first dielectric layer, a plurality of second internal electrode layers each including a second dielectric layer and a second internal electrode disposed on the second dielectric layer, and a plurality of auxiliary electrode layers each including a third dielectric layer and first and second auxiliary electrodes disposed on the third dielectric layer and spaced apart from each other in the second direction, wherein the plurality of first internal electrode layers and the plurality of second internal electrode layers are alternately disposed in the first direction with each of the auxiliary electrode layers interposed therebetween; a first external electrode disposed on the third surface and connected to the first internal electrodes and the first auxiliary electrodes; and a second external electrode disposed on the fourth surface and connected to the second internal electrodes and the second auxiliary electrodes, wherein at least a portion of the first internal electrodes overlaps the second auxiliary electrodes in the first direction, and at least a portion of the second internal electrodes overlaps the first auxiliary electrodes in the first direction, and wherein some of the auxiliary electrode layers are disposed in a center portion of the body in the first direction. ### Claim 13 (depends on 12) The multilayer electronic component of claim 12, wherein the body comprises a plurality of first capacitance formation portions each including two first auxiliary electrodes adjacent to each other in the first direction disposed with e of the second internal electrodes interposed therebetween, a plurality of second capacitance formation portions each including two second auxiliary electrodes adjacent to each other in the first direction disposed with one of the first internal electrodes interposed therebetween, and a third capacitance formation portion including the first t internal electrodes and the second internal electrodes alternately disposed through a region in which the first auxiliary electrodes and the second auxiliary electrodes are spaced apart from each other in the second direction. ### Claim 14 (depends on 13) The multilayer electronic component of claim 13, wherein the plurality of first capacitance formation portions are arranged in the first direction and the plurality of second capacitance formation portions are arranged in the first direction, and the plurality of first capacitance formation portions are arranged to be staggered with the plurality of second capacitance formation portions. ### Claim 15 (depends on 12) The multilayer electronic component of claim 12, wherein the body comprises a stacked portion in which the first and second internal electrodes are alternately disposed with the first and second auxiliary electrodes interposed therebetween, and a cover portion disposed on both surfaces of the stacked portion facing the first direction. ### Claim 16 (depends on 15) The multilayer electronic component of claim 15, wherein there are no first and second internal electrodes that are directly adjacent to each other without any of the first and second auxiliary electrodes interposed therebetween in the stacked portion.