Samsung Electro-mechanics Co., Ltd.

Sung Hyung Kang

Jong Hyun Cho

Du Won Choi

Min Sung Song

Kang Heon Hur

Hang Kyu Cho

Ji Hong Jo

Ki Yong Lee

Sang Hoon Kwon

Hyung Kyu Kim

Dong Hwan Seo

Sang Roc Lee

Yong Koo Kim

Yong In Kim

Jae Shik Shim

Chang Hoon Kim

Seok Kyoon Woo

Won Hee Yoo

Sang Hyuk Kim

Jae Hun Choe

Byung Kil Yun

Il Ho An

Hyun Sung Dong

Byoung Hwa Lee

Jae Yeol Choi

Chang Hak Choi

Doo Young Kim

Su Jin Kim

Seok Hyun Yoon

Young Tae Kim

Chang Sik Kim

Min Gon Lee

Jae Sung Park

Dae Bok Oh

Chan Hee Nam

Ji Young Park

Eun Sang Na

Suk Hyeon Cho

Chang Hoon Shim

Jong Hee Kim

Youn Kyu Choi

Jin Yong An

Jeong Oh Hong

Jun Il Song

Jin Yung Ryu

Joon Yeob Cho

Hyeon Pyo Jeon

Hyuk Joon Youn

Soon Mok Choi

Sun Joo Hyun

Dong Uk Kim

A multilayer electronic component includes: a body including a dielectric layer and first and second internal electrode layers disposed with the dielectric layer interposed therebetween and having opposing first and second surfaces, opposing third and fourth surfaces, and opposing fifth and sixth surfaces; a first external electrode disposed on the third surface and connected to the first internal electrode layer; and a second external electrode disposed on the fourth surface and connected to the second internal electrode layer. The first internal electrode layer includes a first internal electrode, first step compensation portions disposed to be spaced apart from both ends of the first internal electrode, the third surface, and the fourth surface, and first intermediate electrodes disposed between the first internal electrode and the first step compensation portions and disposed to be spaced apart from the third surface and the fourth surface.

Multilayer electronic component

A ceramic electronic component includes a body including a dielectric layer and an internal electrode, and an external electrode disposed on the body and connected to the internal electrode. The dielectric layer includes a plurality of dielectric grains, and at least one of the plurality of dielectric grains has a core-dual shell structure having a core and a dual shell. The dual 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, and a concentration of a rare earth element included in the second shell is more than 1.3 times to less than 3.8 times a concentration of a rare earth element included in the first shell.

Ceramic electronic component and method of manufacturing the same

A ceramic electronic component includes a body, including a dielectric layer and an internal electrode. The dielectric layer includes a plurality of dielectric grains, and at least one of the plurality of dielectric grains has a core-dual shell structure having a core and a dual shell. The dual 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 dual shell includes different types of rare earth elements R1 and R2, and R2/R1is 0.01 or less and R2/R1is 0.5 to 3.0, where R1and R1denote concentrations of R1 included in the first shell and the second shell, respectively, and R2and R2denote concentrations of R2 included in the first shell and the second shell, respectively.

Ceramic electronic component comprising dielectric grains having a core-dual shell structure and method of manufacturing the same

A multilayer capacitor includes a body, including a stacked structure formed of a plurality of dielectric layers and a plurality of internal electrodes, and a plurality of external electrodes. Each external electrode includes a conductive layer, disposed at the end of the body and connected to the plurality of internal electrodes, and a plating layer covering the conductive layer. Each conductive layer includes nickel (Ni) and barium titanate (BT), and an area occupied by nickel with respect to the total area of the respective conductive layer is 30% to 65%.

Multilayer capacitor

A dielectric composition contains: a base material powder containing BaTiO(0.995&#x2264;m&#x2264;1.010); a first accessory ingredient containing at least one element corresponding to a transition metal in Group 5 of the periodic table in a total content of 0.3 to 1.2 moles; a second accessory ingredient containing one of ions, oxides, carbides, and hydrates of Si in a content of 0.6 to 4.5 moles; a third accessory ingredient containing at least one element in Period 4 or higher; and a fourth accessory ingredient containing at least one element in Period 3, wherein 0.70&#xd7;B&#x2264;C+D&#x2264;1.50&#xd7;B and 0.20&#x2264;D/(C+D)&#x2264;0.80, in which B is a total content of the second accessory ingredient, C is a total content of the third accessory ingredient, and D is a total content of the fourth accessory ingredient.

Dielectric composition and electronic component containing the same

A dielectric composition includes a main ingredient and accessory ingredients. The main ingredient is represented by Ba(TiM)O(0.990&#x3c;m&#x3c;1.015, 0.001&#x2266;y&#x2266;0.010), where M is a transition metal including at least one of a pentavalent transition metal and a trivalent transition metal.

Dielectric composition and multilayer ceramic capacitor containing the same

There are provided a dielectric composition and a multilayer ceramic electronic component manufactured using the same, the dielectric composition including a dielectric grain having a perovskite structure represented by ABO, wherein, when an imaginary line is drawn in a direction from a center of the dielectric grain to a grain boundary thereof, a content of rare earth elements in a region corresponding to 0.75 to 0.95% of the dielectric grain from the center of the dielectric grain may be 0.5 to 2.5 at %, based on 100 at % of a B-site ion, so that the multilayer ceramic electronic component manufactured using the dielectric composition can have excellent reliability and secure a high dielectric constant.

Dielectric composition and multilayer ceramic electronic component manufactured using the same

There is provided a multilayer ceramic capacitor including a ceramic body having first and second side surfaces opposing each other and third and fourth end surfaces connecting the first and second side surfaces, first and second internal electrodes formed in the ceramic body and having one ends exposed to the first and second side surfaces and the third end surface or exposed to the first and second side surfaces and the fourth end surface, first and second external electrodes formed on an outer side of the ceramic body and electrically connected to the first and second internal electrodes, and a plating layer partially formed on certain regions of the first and second external electrodes, wherein a polymer layer is additionally formed on the ceramic body on regions of upper portions of the first and second external electrodes on which the plating layer is not formed.

Multilayer ceramic capacitor and method of manufacturing the same

A dielectric ceramic composition includes: a base material powder BaTiO(0.995&#x2266;m&#x2266;1.010); 0.2 to 2.0 moles of a first accessory ingredient, an oxide or carbide containing at least one of Ba and Ca, based on 100 moles of the base material powder; a second accessory ingredient, an oxide containing Si or a glass compound containing Si; 0.2 to 1.5 moles of a third accessory ingredient, an oxide containing at least one of Sc, Y, La, Ac, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu, based on 100 moles of the base material powder; and 0.05 to 0.80 mole of a fourth accessory ingredient, an oxide containing at least one of Cr, Mo, W, Mn, Fe, Co, and Ni, based on 100 moles of the base material powder, a content ratio of the first accessory ingredient to the second accessory ingredient being 0.5 to 1.7.

Dielectric ceramic composition and multilayer ceramic capacitor including the same

A dielectric ceramic composition including a base material represented by (Ba+RE)mTiO(here, 0.995&#x2266;m&#x2266;1.010, 0.001&#x3c;x&#x3c;0.010, and RE is at least one rare earth (RE) atom selected from a group consisting of Dy, Y, Ho, Sm, and Gd) or Ba(Ti+RE)O(here, 0.995&#x2266;m&#x2266;1.010, 0.001&#x3c;x&#x3c;0.010, and RE is at least one RE atom selected from a group consisting of Dy, Y, Ho, Sm, and Gd) as a main component, and a multi-layer ceramic capacitor using the same. In the dielectric ceramic composition, high permittivity (dielectric constant of 1800 or more) and high temperature reliability may be secured by using a RE atom doped/solid-solubilized base material and adding oxides, which are sub-components.

Dielectric ceramic composition and multi-layer ceramic capacitor comprising the same

A multilayer ceramic electronic component includes a hexahedral ceramic body including dielectric layers and having first and second main surfaces opposing each other in a thickness direction, first and second end surfaces opposing each other in a length direction, and first and second side surfaces opposing each other in a width direction; first and second internal electrodes stacked to have the dielectric layer interposed therebetween within the ceramic body and alternately exposed through the first and second end surfaces; and first and second external electrodes electrically connected to the first and second internal electrodes, respectively, and including first and second head parts formed on the first and second end surfaces, wherein width of the first and second head parts is less than width of the ceramic body, and when length, width and thickness of the ceramic body are defined as L, W, and T, respectively, T/W&#x3e;1.0 is satisfied.

Multilayer ceramic electronic component and board for mounting the same

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Gyunggi-do, South Korea

Sung Hyung Kang