Samsung Electro-mechanics Co., Ltd.

Jong Hoon Yoo

Jong Suk Jeong

Jin Woo Kim

Chang Hak Choi

Kum Jin Park

Chun Hee Seo

Su Been Kim

Min Gi Sin

Hyung Joon Jeon

Chi Hwa Lee

Dong Geon Yoo

Tae Hyung Kim

Kyung Ryul Lee

Ki Myoung Yun

Jeong Wook Seo

Kwang Hee Nam

Sang Min Youn

Jong Han Kim

Doo Young Kim

Ho Sam Choi

Dong Hun Kim

Eun Jung Lee

Chang Hoon Kim

Sim Chung Kang

Chul Seung Lee

Chang Yong Choi

Woo Seok Kim

Hyung Jun Kong

According to an aspect of the present disclosure, a capacitor component includes a body including a dielectric layer and an internal electrode layer; and an external electrode disposed on the body and connected to the internal electrode layer, wherein the body further includes a withstand voltage layer disposed in a region spaced apart by more than 0 to 30 nm or less in a direction from a boundary of the internal electrode layer toward the dielectric layer, and having ionic mobility, lower than ionic mobility of the dielectric layer.

Capacitor component and method for manufacturing same

A multilayer capacitor includes a body including a plurality of dielectric layers and a plurality of internal electrodes stacked in a first direction, and external electrodes, wherein the body includes an active portion, a side margin portion covering at least one of a first surface and a second surface of the active portion opposing each other in a second direction, and a cover portion covering the active portion in the first direction, respective dielectric layers among the plurality of dielectric layers include a barium titanate-based composition, the dielectric layer of the side margin portion includes Sn, and a content of Sn in the dielectric layer of the side margin portion is different from that of Sn in the dielectric layer of the active portion, and the dielectric layer of the side margin portion includes at least some grains having a core-shell structure.

Multilayer capacitor with core-shell dielectric

A ceramic electronic component includes: a body including dielectric layers and internal electrodes; and external electrodes disposed on the body and connected to the internal electrodes, wherein the dielectric layer includes a plurality of dielectric crystal grains, and at least one of the plurality of dielectric crystal grains has a core-double shell structure, the double shell includes a first shell surrounding at least a portion of the core and a second shell surrounding at least a portion of the first shell, the first shell includes a first element, one or more of Sn, Sb, Ge, Si, Ga, In, or Zr, and the second shell includes a second element, one or more of Ca or Sr.

Ceramic electronic component

A multilayer capacitor includes a body including a plurality of dielectric layers, and a plurality of internal electrodes stacked with one of the dielectric layers interposed therebetween, and external electrodes disposed on external surfaces of the body and connected to the internal electrodes, respectively. The plurality of dielectric layers include a dielectric expressed by empirical formula BaM1TiSnM2O(0.008&#x2264;x&#x2264;0.05, 0.006&#x2264;a&#x2264;0.03, and 0.0006&#x2264;b&#x3c;0.006) in which M1 includes a rare earth element, and M2 includes at least one of Mn or V.

Dielectric and multilayer capacitor including the same

A multilayer capacitor includes a capacitor body including an active region having dielectric layers and internal electrodes alternately stacked therein, the capacitor body including upper and lower covers disposed on upper and lower surfaces of the active region, respectively; and an external electrode disposed on an external surface of the capacitor body. In one of the upper and lower covers, a portion thereof between a boundary surface of the active region and a boundary surface of the capacitor body is divided into a first cover region adjacent to the active region and a second cover region adjacent to the boundary surface of the capacitor body, and the first cover region includes grains having a core-shell structure doped with Sn. The first cover region includes 20% or more of Sn-doped core-shell structure grains, compared to the total of grains in the first cover region.

Multilayer capacitor and board having the same mounted thereon

A multilayer ceramic electronic component includes a ceramic body in which dielectric layers and internal electrodes are alternately stacked. The dielectric layers contain at least one dielectric grain having a ratio of a long axis to a short axis that is 3.5 or more. The internal electrodes contain a ceramic component containing a grain growth adjusting ingredient for dielectric grains. Each dielectric layer includes interfacial portions adjacent to the internal electrodes and a central portion disposed between the interfacial portions, and concentrations of the grain growth adjusting ingredient in the interfacial portions and the central portion are different from each other.

Multilayer ceramic electronic component

A multilayer ceramic electronic component and a method of manufacturing the same are provided. The multilayer ceramic electronic component includes: a ceramic body including dielectric layers; and internal electrodes disposed on the dielectric layers within the ceramic body and containing a ceramic material trapped therein. The ceramic material is a dielectric material doped with an additive.

Multilayer ceramic electronic component and method of manufacturing the same

A multilayer ceramic electronic component includes a plurality of dielectric layers; and internal electrodes disposed on the dielectric layers and containing an additive. The additive contains lithium (Li) and a dielectric material.

There are provided a composite perovskite powder, a preparation method thereof, and a paste composition for an internal electrode having the same, the composite perovskite powder capable of preventing ions from being eluted from an aqueous system at the time of synthesis while being ultra-atomized, such that when the composite perovskite powder is used as an inhibitor powder for an internal electrode, sintering properties of the internal electrode may be deteriorated, and sintering properties of a dielectric material may be increased; accordingly, connectivity of the internal electrode may be improved, and permittivity and reliability of a multilayer ceramic capacitor (MLCC) may be increased.

Composite perovskite powder, preparation method thereof, and paste composition for internal electrode having the same

There are provided a dielectric composition and a preparation method thereof, the dielectric composition including: a first perovskite powder for a core represented by ABO: and a second perovskite powder for a shell represented by ABO, having an average particle diameter corresponding to &#x2153; to 1/10 of an average particle diameter of the first perovskite powder, and included in an amount of 1 to 70 parts by weight with respect to 100 parts by weight of the first perovskite powder, wherein particles of the second perovskite powder have pores having a volume fraction of 3 to 50 vol % therein. According to the present invention, there are provided a dielectric composition having excellent dielectric characteristics and electrical characteristics, and a preparation method thereof.

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Gyunggi-do, South Korea

Jong Hoon Yoo