# US 12,217,915 B2 · Multilayer electronic component

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- Number: US 12,217,915 B2
- Document ID: US12217915B2
- Status: Granted
- Kind: B2
- Application number: 18/079,438
- Filed: 2022-12-12
- Published: 2023-06-29
- Granted: 2025-02-04
- Earliest claimed: 2021-12-28
- Assignees: Samsung Electro-Mechanics Co., Ltd.
- Applicants: Samsung Electro-Mechanics Co., Ltd.
- Inventors: Hwi Dae Kim; Se Hwa Jeong; Young Ghyu Ahn
- Web page: https://patentgrep.com/patent/US12217915B2

## CPC

- H01G 4/30: Stacked capacitors (H01G4/33 takes precedence)
- H01G 2/065: {for surface mounting, e.g. chip capacitors}
- 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 4/1227: {based on alkaline earth titanates}
- 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 including dielectric layers and internal electrodes alternately disposed with the dielectric layers interposed therebetween in a first direction; and external electrodes connected to the internal electrodes. The body has first and second surfaces opposing each other in the first direction and one or more side surfaces positioned between the first and second surfaces. The body has a protruding portion protruding in the first direction and outer peripheral portions around the protruding portion on the first surface of the body. The external electrodes cover the outer peripheral portions, the side surfaces, and the second surface of the body. In the second surface of the body, portions that are covered by the external electrodes and a portion that is not covered by the external electrodes are substantially coplanar with each other.

## Claims

### Claim 1

A multilayer electronic component comprising:
a body including dielectric layers and internal electrodes alternately disposed with the dielectric layers interposed therebetween in a first direction; and
external electrodes connected to the internal electrodes,
wherein the body has first and second surfaces opposing each other in the first direction and one or more side surfaces positioned between the first and second surfaces,
the body has a protruding portion protruding in the first direction and outer peripheral portions around the protruding portion on the first surface of the body,
the external electrodes cover the outer peripheral portions, the side surfaces, and the second surface of the body,
in the second surface of the body, portions that are covered by the external electrodes and a portion that is not covered by the external electrodes are substantially coplanar with each other, and
respective uppermost surfaces of the external electrodes are lower than an uppermost surface of the protruding portion in the first direction.

### Claim 2 (depends on 1)

The multilayer electronic component of claim 1, wherein areas of the first surface and the second surface of the body covered by each of the external electrodes are different from each other.

### Claim 3 (depends on 2)

The multilayer electronic component of claim 2, wherein the area of the second surface of the body covered by each of the external electrodes is larger than the area of the first surface of the body covered by each of the external electrodes.

### Claim 4 (depends on 1)

The multilayer electronic component of claim 1, wherein regions of the external electrodes disposed on the outer peripheral portions of the body are in contact with side surfaces of the protruding portion.

### Claim 5 (depends on 1)

The multilayer electronic component of claim 1, further comprising insulating layers disposed on side surfaces of the external electrodes.

### Claim 6 (depends on 5)

The multilayer electronic component of claim 5, wherein the insulating layers extend from the side surfaces of the external electrodes to portions of the external electrodes that are disposed on the outer peripheral portions of the body.

### Claim 7 (depends on 1)

The multilayer electronic component of claim 1, wherein areas of the first surface and the second surface of the body covered by each of the external electrodes are substantially the same as each other.

### Claim 8 (depends on 1)

The multilayer electronic component of claim 1, wherein the external electrodes do not cover the protruding portion of the body in the first direction.

### Claim 9 (depends on 1)

The multilayer electronic component of claim 1, wherein the protruding portion of the body has curved side surfaces connected to the outer peripheral portions.

### Claim 10 (depends on 1)

The multilayer electronic component of claim 1, wherein the second surface of the body is a flat surface.

### Claim 11 (depends on 1)

The multilayer electronic component of claim 1, wherein surfaces of portions of the external electrodes that cover the second surface of the body are positioned more toward the outside in the first direction than a portion of the second surface of the body that is not covered by the external electrodes.

### Claim 12 (depends on 1)

The multilayer electronic component of claim 1, wherein
surfaces of portions of the external electrodes that cover the second surface of the body are positioned more toward the outside in the first direction than a portion of the second surface of the body that is not covered by the external electrodes.

### Claim 13 (depends on 1)

The multilayer electronic component of claim 1, wherein the internal electrodes extend to the side surfaces of the body.

### Claim 14

A multilayer electronic component comprising:
a body including dielectric layers and internal electrodes alternately disposed with the dielectric layers interposed therebetween in a first direction; and
external electrodes connected to the internal electrodes,
wherein the body has first and second surfaces opposing each other in the first direction and one or more side surfaces positioned between the first and second surfaces,
the body includes a first protruding portion protruding in the first direction and first outer peripheral portions around the first protruding portion on the first surface of the body,
the body includes a second protruding portion protruding in the first direction and second outer peripheral portions around the second protruding portion on the second surface of the body, and
the first protruding portion and the second protruding portion have different shapes from each other.

### Claim 15 (depends on 14)

The multilayer electronic component of claim 14, wherein lengths of the first and second protruding portions in a second direction perpendicular to the first direction are different from each other.

### Claim 16 (depends on 14)

The multilayer electronic component of claim 14, wherein thicknesses of the first and second protruding portions in the first direction are different from each other.

### Claim 17 (depends on 14)

The multilayer electronic component of claim 14, wherein the external electrodes are disposed on the side surfaces, the first periphery portions, and the second periphery portions of the body.

### Claim 18

A multilayer electronic component comprising:
a body including dielectric layers and internal electrodes alternately disposed with the dielectric layers interposed therebetween in a first direction; and
an external electrode connected to one or more of the internal electrodes,
wherein the body has first and second surfaces opposing each other in the first direction and a side surface positioned between the first and second surfaces,
the external electrode is disposed on the side surface and includes a first portion and a second portion at least partially overlapping each other in the first direction,
a center portion of the first surface protrudes with respect to the first portion in the first direction such that an uppermost surface of the first portion is lower than an uppermost surface of the center portion in the first direction, and
the second portion of the external electrode extends on the second surface, and protrudes with respect to a center portion of the second surface in the first direction.

### Claim 19 (depends on 18)

The multilayer electronic component of claim 18, wherein an area of the first portion and an area of the second portion are different from each other.

### Claim 20 (depends on 19)

The multilayer electronic component of claim 19, wherein the area of the first portion is less than the area of the second portion.

### Claim 21 (depends on 18)

The multilayer electronic component of claim 18, further comprising an insulating layer disposed on a side surface of the external electrode.

### Claim 22 (depends on 21)

The multilayer electronic component of claim 21, wherein the insulating layer extends from the side surface of the external electrode to cover the first portion.

### Claim 23 (depends on 18)

The multilayer electronic component of claim 18, wherein the second surface of the body is a flat surface.

### Claim 24

A multilayer electronic component comprising:
a body including dielectric layers and internal electrodes alternately disposed with the dielectric layers interposed therebetween in a first direction; and
an external electrode connected to one or more of the internal electrodes,
wherein the body has first and second surfaces opposing each other in the first direction and a side surface positioned between the first and second surfaces,
the body includes a first protruding portion protruding in the first direction and first outer peripheral portions disposed on opposing sides of the first protruding portion in a second direction,
the external electrode is disposed on the side surface of the body, and extends to be in contact with, and ends at, a side surface of the first protruding portion, and
an uppermost surface of the external electrode is lower than an uppermost surface of the first protruding portion in the first direction.

### Claim 25 (depends on 24)

The multilayer electronic component of claim 24, further comprising an insulating layer disposed on a side surface of the external electrode.

### Claim 26 (depends on 25)

The multilayer electronic component of claim 25, wherein the insulating layer extends from the side surface of the external electrode to cover a first outer peripheral portion of the first outer peripheral portions.

### Claim 27 (depends on 26)

The multilayer electronic component of claim 26, wherein the insulating layer extends to be in contact with, and ends at, the side surface of the first protruding portion.

### Claim 28 (depends on 24)

The multilayer electronic component of claim 24, wherein the second surface of the body is a flat surface.

### Claim 29 (depends on 24)

The multilayer electronic component of claim 24, wherein the body further includes a second protruding portion protruding in the first direction and second outer peripheral portions disposed on opposing sides of the second protruding portion in the second direction, and
the external electrode extends to be in contact with, and ends at, a side surface of the second protruding portion.

### Claim 30 (depends on 29)

The multilayer electronic component of claim 29, wherein lengths of the first and second protruding portions in the second direction are different from each other.

### Claim 31 (depends on 29)

The multilayer electronic component of claim 29, wherein thicknesses of the first and second protruding portions in the first direction are different from each other.
