# US 8,570,710 B2 · Multilayered ceramic electronic component

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- Number: US 8,570,710 B2
- Document ID: US8570710B2
- Status: Granted
- Kind: B2
- Application number: 13/356,320
- Filed: 2012-01-23
- Published: 2013-04-18
- Granted: 2013-10-29
- Earliest claimed: 2011-10-18
- Assignees: Samsung Electro-Mechanics Co., Ltd.
- Applicants: Jong Han Kim; Hyun Chul Jeong
- Inventors: Jong Han Kim; Hyun Chul Jeong
- Web page: https://patentgrep.com/patent/US8570710B2

## CPC

- H01G 4/005: Electrodes
- H01G 4/12: Ceramic dielectrics {(H01G4/085 takes precedence)}
- H01G 4/30: Stacked capacitors (H01G4/33 takes precedence)
- 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

There is provided multilayered ceramic electronic component having a 0603 size or less, the multilayered ceramic electronic component including: a ceramic body including a plurality of internal electrodes and dielectric layers disposed between the internal electrodes; and external electrodes disposed on outer surfaces of the ceramic body and electrically connected to the internal electrodes, wherein when a region in which the internal electrodes are overlapped is defined as an active region in a cross section of a central portion in a length direction of the ceramic body, taken in width and thickness directions thereof, the entire area of the cross section taken in the width and thickness directions is defined as At, and an area of the active region is defined as Aa, the following equation is satisfied: 65%≦Aa/At≦90%.

## Claims

### Claim 1

A multilayered ceramic electronic component having a 0603 size or less, the multilayered ceramic electronic component comprising:
a ceramic body including a plurality of internal electrodes and dielectric layers disposed between the internal electrodes; and
external electrodes disposed on outer surfaces of the ceramic body and electrically connected to the internal electrodes,
wherein when a region in which the internal electrodes are overlapped is defined as an active region in a cross section of a central portion in a length direction of the ceramic body, taken in width and thickness directions thereof, the entire area of the cross section taken in the width and thickness directions is defined as At, and an area of the active region is defined as Aa, the following equation is satisfied: 65%≦Aa/At≦90%, and
when the active region is divided into nine regions, {circle around (1)}, {circle around (2)}, {circle around (3)}, {circle around (4)}, {circle around (5)}, {circle around (6)}, {circle around (7)}, {circle around (8)}, and {circle around (9)}, by being trisected in each of the width and thickness directions, continuity of the internal electrodes in region {circle around (2)} in an upper portion in the thickness direction and an intermediate portion in the width direction or continuity of the internal electrodes in region {circle around (8)} in a lower portion in the thickness direction and an intermediate portion in the width direction is greater than those of the internal electrodes in regions, except for the region {circle around (2)} in the upper portion in the thickness direction and the intermediate portion in the width direction and the region {circle around (8)} in the lower portion in the thickness direction and the intermediate portion in the width direction.

### Claim 2 (depends on 1)

The multilayered ceramic electronic component of claim 1, wherein the continuity of the internal electrodes in the region {circle around (2)} in the upper portion in the thickness direction and the intermediate portion in the width direction or the continuity of the internal electrodes in the region {circle around (8)} in the lower portion in the thickness direction and the intermediate portion in the width direction is 85% or more.

### Claim 3 (depends on 1)

The multilayered ceramic electronic component of claim 1, wherein the continuities of the internal electrodes in the region {circle around (2)} in the upper portion in the thickness direction and the intermediate portion in the width direction and the region {circle around (8)} in the lower portion in the thickness direction and the intermediate portion in the width direction are greater than those of the internal electrodes in the regions {circle around (1)}, {circle around (3)}, {circle around (4)}, {circle around (5)}, {circle around (6)}, {circle around (7)}, and {circle around (9)}, except for the region in the upper portion in the thickness direction and the intermediate portion in the width direction and the region in the lower portion in the thickness direction and the intermediate portion in the width direction.

### Claim 4 (depends on 1)

The multilayered ceramic electronic component of claim 1, wherein in the active region, continuity of the internal electrodes in region {circle around (5)} in an intermediate portion in the thickness direction and an intermediate portion in the width direction is lowest.

### Claim 5 (depends on 4)

The multilayered ceramic electronic component of claim 4, wherein the continuity of the internal electrodes in the region {circle around (5)} in the intermediate portion in the thickness direction and the intermediate portion in the width direction is 80% or more.

### Claim 6 (depends on 1)

The multilayered ceramic electronic component of claim 1, wherein an absolute value difference between the continuity of the internal electrodes in the region {circle around (2)} in the upper portion in the thickness direction and the intermediate portion in the width direction or the continuity of the internal electrodes in the region {circle around (8)} in the lower portion in the thickness direction and the intermediate portion in the width direction and the continuity of the internal electrodes in region {circle around (5)} in an intermediate portion in the thickness direction and an intermediate portion in the width direction is 3% or more.

### Claim 7 (depends on 1)

The multilayered ceramic electronic component of claim 1, wherein a margin portion of the taken cross section has a width of 50 μm or less.

### Claim 8 (depends on 1)

The multilayered ceramic electronic component of claim 1, wherein the internal electrodes are laminated in an amount of 200 layers or more.

### Claim 9 (depends on 1)

The multilayered ceramic electronic component of claim 1, wherein a length, a width, and a thickness of the ceramic body have ranges of 0.6±0.15 mm, 0.3±0.15 mm, and 0.3±0.15 mm, respectively, or have ranges of 0.4±0.10 mm, 0.2±0.10 mm, and 0.2±0.10 mm, respectively.

### Claim 10

A multilayered ceramic electronic component comprising:
a ceramic body including a dielectric layer and internal electrodes;
an active region having the internal electrodes overlapped in a cross section taken in width and thickness directions of the ceramic body to contribute to a formation of capacitance; and
a margin portion defining an outer portion of the active region,
wherein when the active region is divided into nine regions, {circle around (1)}, {circle around (2)}, {circle around (3)}, {circle around (4)}, {circle around (5)}, {circle around (6)}, {circle around (7)}, {circle around (8)}, and {circle around (9)}, by being trisected in each of the width and thickness directions, continuity of the internal electrodes in region {circle around (2)} in the upper portion in the thickness direction and the intermediate portion in the width direction or continuity of the internal electrodes in region {circle around (8)} in the lower portion in the thickness direction and the intermediate portion in the width direction is greater than those of the internal electrodes in regions, except for the region {circle around (2)} in the upper portion in the thickness direction and the intermediate portion in the width direction and the region {circle around (8)} in the lower portion in the thickness direction and the intermediate portion in the width direction.

### Claim 11 (depends on 10)

The multilayered ceramic electronic component of claim 10, wherein the continuity of the internal electrodes in the region {circle around (2)} in the upper portion in the thickness direction and the intermediate portion in the width direction or the continuity of the internal electrodes in the region {circle around (8)} in the lower portion in the thickness direction and the intermediate portion in the width direction is 85% or more.

### Claim 12 (depends on 10)

The multilayered ceramic electronic component of claim 10, in the active region, continuity of the internal electrodes in region {circle around (5)} in an intermediate portion in the thickness direction and an intermediate portion in the width direction is lowest.

### Claim 13 (depends on 12)

The multilayered ceramic electronic component of claim 12, wherein the continuity of the internal electrodes in the region {circle around (5)} in the intermediate portion in the thickness direction and the intermediate portion in the width direction is 80% or more.

### Claim 14 (depends on 10)

The multilayered ceramic electronic component of claim 10, wherein an absolute value difference between the continuity of the internal electrodes in the region {circle around (2)} in the upper portion in the thickness direction and the intermediate portion in the width direction or the continuity of the internal electrodes in the region {circle around (8)} in the lower portion in the thickness direction and the intermediate portion in the width direction and the continuity of the internal electrodes in region {circle around (5)} in an intermediate portion in the thickness direction and an intermediate portion in the width direction is 3% or more.

### Claim 15 (depends on 10)

The multilayered ceramic electronic component of claim 10, wherein a ratio of the active region to the entire area of the taken cross section is 65 to 90%, and the multilayered ceramic electronic component is a 0603-size or smaller multilayered ceramic electronic component.

### Claim 16 (depends on 10)

The multilayered ceramic electronic component of claim 10, wherein the margin portion has a width of 50 μm or less.

### Claim 17 (depends on 10)

The multilayered ceramic electronic component of claim 10, wherein a length, a width, and a thickness of the ceramic body have ranges of 0.6±0.15 mm, 0.3±0.15 mm, and 0.3±0.15 mm, respectively, or have ranges of 0.4±0.10 mm, 0.2±0.10 mm, and 0.2±0.10 mm, respectively.

### Claim 18 (depends on 10)

The multilayered ceramic electronic component of claim 10, wherein the internal electrodes are laminated in an amount of 200 layers or more.

### Claim 19

A multilayered ceramic electronic component having a 0603 size or less, the multilayered ceramic electronic component comprising:
a ceramic body including a plurality of internal electrodes and dielectric layers disposed between the internal electrodes; and
external electrodes disposed on outer surfaces of the ceramic body and electrically connected to the internal electrodes,
wherein when a region in which the internal electrodes are overlapped is defined as an active region in a cross section of a central portion in a length direction of the ceramic body, taken in width and thickness directions thereof, the entire area of the cross section taken in the width and thickness directions is defined as At, and an area of the active region is defined as Aa, the following equation is satisfied: 65%≦Aa/At≦90%, and
when the active region is divided into nine regions, {circle around (1)}, {circle around (2)}, {circle around (3)}, {circle around (4)}, {circle around (5)}, {circle around (6)}, {circle around (7)}, {circle around (8)}, and {circle around (9)}, by being trisected in each of the width and thickness directions, continuity of the internal electrodes in region {circle around (2)} in an upper portion in the thickness direction and an intermediate portion in the width direction or continuity of the internal electrodes in region {circle around (8)} in a lower portion in the thickness direction and an intermediate portion in the width direction is greater than that of the internal electrodes in region {circle around (5)} in an intermediate portion in the thickness direction and an intermediate portion in the width direction.

### Claim 20 (depends on 19)

The multilayered ceramic electronic component of claim 19, wherein the continuity of the internal electrodes in the region {circle around (2)} in the upper portion in the thickness direction and the intermediate portion in the width direction or the continuity of the internal electrodes in the region {circle around (8)} in the lower portion in the thickness direction and the intermediate portion in the width direction is 85% or more.

### Claim 21 (depends on 19)

The multilayered ceramic electronic component of claim 19, wherein the continuity of the internal electrodes in the region {circle around (5)} in the intermediate portion in the thickness direction and the intermediate portion in the width direction is 80% or more.

### Claim 22 (depends on 19)

The multilayered ceramic electronic component of claim 19, wherein the continuities of the internal electrodes in the region {circle around (2)} in the upper portion in the thickness direction and an intermediate portion in the width direction and the region {circle around (8)} in the lower portion in the thickness direction and an intermediate portion in the width direction are greater than that of the internal electrodes in the region {circle around (5)} in the intermediate portion in the thickness direction and the intermediate portion in the width direction.

### Claim 23 (depends on 19)

The multilayered ceramic electronic component of claim 19, wherein an absolute value difference between the continuity of the internal electrodes in the region {circle around (2)} in the upper portion in the thickness direction and the intermediate portion in the width direction or the continuity of the internal electrodes in the region {circle around (8)} in the lower portion in the thickness direction and the intermediate portion in the width direction and the continuity of the internal electrodes in the region {circle around (5)} in the intermediate portion in the thickness direction and the intermediate portion in the width direction is 3% or more.

### Claim 24 (depends on 19)

The multilayered ceramic electronic component of claim 19, wherein the continuity of the internal electrodes in the region {circle around (2)} in the upper portion in the thickness direction and the intermediate portion in the width direction or the region {circle around (8)} in the lower portion in the thickness direction and the intermediate portion in the width direction is greater than those of the internal electrodes in regions {circle around (1)}, {circle around (3)}, {circle around (4)}, {circle around (6)}, {circle around (7)}, and {circle around (9)}, except for the region {circle around (2)} in the upper portion in the thickness direction and the intermediate portion in the width direction, the region {circle around (8)} in the lower portion in the thickness direction and the intermediate portion in the width direction, and the region {circle around (5)} in the intermediate portion in the thickness direction and the intermediate portion in the width direction.

### Claim 25 (depends on 19)

The multilayered ceramic electronic component of claim 19, wherein continuities of the internal electrodes in regions {circle around (1)}, {circle around (3)}, {circle around (4)}, {circle around (6)}, {circle around (7)}, and {circle around (9)}, except for the region {circle around (2)} in the upper portion in the thickness direction and the intermediate portion in the width direction, the region {circle around (8)} in the lower portion in the thickness direction and the intermediate portion in the width direction, and the region {circle around (5)} in the intermediate portion in the thickness direction and the intermediate portion in the width direction, are greater than that of the internal electrodes in the region {circle around (5)} in the intermediate portion in the thickness direction and the intermediate portion in the width direction.

### Claim 26 (depends on 19)

The multilayered ceramic electronic component of claim 19, wherein in the active region, the continuity of the internal electrodes in the region {circle around (5)} in the intermediate portion in the thickness direction and the intermediate portion in the width direction is lowest.

### Claim 27 (depends on 19)

The multilayered ceramic electronic component of claim 19, wherein a margin portion of the taken cross section has a width of 50 μm or less.

### Claim 28 (depends on 19)

The multilayered ceramic electronic component of claim 19, wherein a length, a width, and a thickness of the ceramic body have ranges of 0.6±0.15 mm, 0.3±0.15 mm, and 0.3±0.15 mm, respectively, or have ranges of 0.4±0.10 mm, 0.2±0.10 mm, and 0.2±0.10 mm, respectively.

### Claim 29 (depends on 19)

The multilayered ceramic electronic component of claim 19, wherein the internal electrodes are laminated in an amount of 200 layers or more.
