Samsung Electro-Mechanics Co., Ltd.

Sungkyunkwan University

Sang Huk Kim

Jae Yeol Choi

Dae Bok Oh

Jae Sung Park

Jun Hee Kim

Seon Ki Song

Ju Myung Suh

Doo Young Kim

Wi Heon Kim

Byung Soo Kim

Seok Hyun Yoon

Jong Bong Lim

Jang Ho Lee

Sung Hyuk Choi

Sung Woo Kim

Hyung Joon Kim

Jong Ho Lee

Myung Jun Park

Min Gon Lee

Jae Hun Choe

Joon Hwan Kwag

Byung Woo Han

Woo Joon Lee

Han Nah Chang

Young Ghyu Ahn

Doo Il Kim

Mi Young Kim

Eung Soo Kim

Jae Hyun Jung

Joon Sung Kim

Han Seo Cho

Yu Jong Kim

Yu Na Kim

Jea Hoon Lee

Jong Hoon Bae

Dae Ho Yoon

Suk Hyun Song

Jong Ha Park

Takaki Masaki

There is provided a multilayer ceramic electronic component including, a ceramic body including a plurality of dielectric layers stacked in a thickness direction, satisfying T/W&#x3e;1.0 when a width and a thickness thereof are defined as W and T, respectively, and having a groove portion inwardly recessed in a length direction in at least one main surface thereof, a plurality of first and second internal electrodes disposed in the ceramic body to face each other, having the dielectric layers interposed therebetween, and alternately exposed through both end surfaces of the ceramic body, and first and second external electrodes formed to extend from the both end surfaces of the ceramic body to the at least one main surface having the groove portion formed therein.

Multilayer ceramic electronic component and board for mounting the same

There are provided a multilayer ceramic electronic component and a mounting board therefor, the multilayer ceramic electronic component, including a ceramic body having a hexahedral shape, including dielectric layers, and satisfying T/W1.0 when a length of the ceramic body is defined as L, a width of the ceramic body is defined as W, and a thickness of the ceramic body is defined as T, and first and second internal electrodes stacked in the ceramic body to face each other, having the respective dielectric layers interposed therebetween.

Multilayer ceramic electronic component and mounting board therefor

A multilayer ceramic capacitor includes a ceramic body including dielectric layers; first and second internal electrode groups disposed to be misaligned by a predetermined interval in the length direction, having the dielectric layers interposed therebetween; first and second external electrodes extended from at least one of the first and second side surfaces to at least one of the first and second main surfaces; and an insulating layer covering portions of the first and second external electrodes formed on the at least one of the first and second side surfaces, wherein the first internal electrode group includes first and second internal electrodes including first and second pattern parts and first and second lead parts, respectively, and the second internal electrode group includes third and fourth internal electrodes including third and fourth pattern parts and third and fourth lead parts, respectively.

Multilayer ceramic capacitor and board for mounting the same

There is provided a multilayer ceramic electronic component including: a ceramic body including a dielectric layer; and first and second inner electrode layers formed within the ceramic body, wherein, when a thickness of the dielectric layer is defined as td and a maximum thickness and a minimum thickness of the first or second inner electrode layer are defined as tmax and tmin, respectively, td&#x2266;0.6 &#x3bc;m and (tmax&#x2212;tmin)/td&#x3c;0.30 are satisfied. According to the present invention, a large-capacity multilayer ceramic electronic component capable of improving withstand voltage characteristics and having excellent reliability can be realized by improving uniformity in the thickness of the inner electrode layers.

Multilayer ceramic electronic component

A multilayered ceramic capacitor including a ceramic body including a dielectric layer and having first and second main surfaces, first and second end surfaces, and first and second side surfaces; a first internal electrode having a first lead part; a second internal electrode having a second lead part; a first external electrode electrically connected to the first lead part and extending from the side surface having the first lead part exposed thereto, to at least one of the first and second main surfaces; a second external electrode electrically connected to the second lead part and extending from the side surface having the second lead part exposed thereto, to at least one of the first and second main surfaces; and an insulating layer covering the first and second external electrodes disposed on the first and second side surfaces.

Multilayered ceramic capacitor and board for mounting the same

A dielectric composition to be sintered at low temperature may include BaTiOas a major component; and (1-x)LiO-xCuO as a minor component, wherein x is 0.1 to 0.9, and the minor component is contained in a content of 0.1 mol % to 2.0 mol % based on 100 mol % of the major component.

Dielectric composition to be sintered at low temperature, multilayer ceramic electronic component containing the same, and method of manufacturing the multilayer ceramic electronic component

A multilayer ceramic capacitor includes: a ceramic body; an active layer disposed in the ceramic body and including first internal electrodes each having a first lead part exposed to at least one of the first and second side surfaces, and second internal electrodes each having a second lead part exposed to the at least one of the first and second side surfaces, thereby forming capacitance; an upper cover layer formed on an upper portion of the active layer in the thickness direction; a lower cover layer formed on a lower portion of the active layer in the thickness direction and having a thickness greater than that of the upper cover layer; a first external; and a second external electrode.

Multilayer ceramic capacitor and board having the same mounted thereon

There is provided a dielectric composition for low-temperature sintering including BaTiOas a main ingredient, and xBO-(1-x)BaO as an accessory ingredient, wherein x ranges from 0.25 to 0.8, and the content of the accessory ingredient ranges from 0.1 to 2.00 mol %, based on 100 mol % of the main ingredient.

Dielectric composition for low-temperature sintering, multilayer ceramic electronic component including the same, and method of manufacturing multilayer ceramic electronic component

There are provided a multilayer ceramic electronic component and a board for mounting the same. The multilayer ceramic electronic component includes a hexahedral ceramic body including dielectric layers and satisfying T/W&#x3e;1.0 when a width thereof is defined as W and a thickness thereof is defined as T; an active layer in which capacitance is formed, by including a plurality of first and second internal electrodes alternately exposed through both end surfaces of the ceramic body, having the dielectric layer interposed therebetween, an upper cover layer formed above the active layer; a lower cover layer formed below the active layer and having a greater thickness than the upper cover layer; and first and second external electrodes covering the end surfaces of the ceramic body, wherein when a thickness of the lower cover layer is defined as Tb, 0.03&#x2266;Tb/T&#x2266;0.25 is satisfied.

There are provided a dielectric ceramic composition and a multilayer ceramic capacitor including the same. The dielectric ceramic composition according to embodiments of the present disclosure includes a base powder represented by xSrTiO-(1&#x2212;x)BiMO(M includes Mg and Ti) containing a first main component represented by SrTiOand a second main component represented by BiMO, wherein x satisfies 0.5&#x2266;x&#x2266;0.9.

Dielectric ceramic composition and multilayer ceramic capacitor including the same

There is provided a multilayer ceramic electronic part including: a ceramic body including dielectric layers; an active layer including a plurality of first and second internal electrodes formed to be alternately exposed to both end surfaces of the ceramic body; upper and lower cover layers formed on upper and lower portions of the active layer; and first and second external electrodes formed on both end portions of the ceramic body, wherein the first external electrode includes a first base electrode, a first conductive layer formed on the first base electrode at a corner portion of the ceramic body, and the second external electrode includes a second base electrode, a second conductive layer formed on the second base electrode at a corner portion of the ceramic body, the first and second conductive layers being positioned outside the active layer in a thickness direction of the ceramic body.

Multilayer ceramic electronic part and board having the same mounted thereon

A multilayer ceramic electronic component includes a ceramic main body including dielectric layers and satisfying T/W&#x3e;1.0 when W and T are width and thickness, respectively; and first and second internal electrodes stacked in the ceramic main body and facing each other with the dielectric layer interposed therebetween, the ceramic main body including an active layer corresponding to a capacitance forming portion contributing to capacitance formation and a cover layer corresponding to a non-capacitance forming portion provided on at least one of uppermost and lowermost surfaces of the active layer, and when the active layer is divided into three regions in a direction in which the first and second internal electrodes are stacked, an average width of internal electrodes in a central region of the three regions is Wa, and an average width of internal electrodes in upper and lower regions of the three regions is Wb, 0.920&#x2266;Wb/Wa&#x2266;0.998 is satisfied.

There are provided a multilayer ceramic electronic component and a mounting board therefor, the multilayer ceramic electronic component including a ceramic body having a hexahedral shape, including dielectric layers, and satisfying T/W&#x3e;1.0 when a length of the ceramic body is defined as L, a width of a lower surface of the ceramic body is defined as W, and a thickness of the ceramic body is defined as T, and first and second internal electrodes stacked in the ceramic body so as to face each other, having the respective dielectric layers interposed therebetween, wherein when a width of an upper surface of the ceramic body is defined as Wa, 0.800&#x2266;Wa/W&#x2266;0.985 is satisfied.

There is provided a multilayer ceramic electronic component includes: a ceramic body including dielectric layers stacked therein and satisfying T(thickness)/W(width)&#x3e;1.0; first and second internal electrodes disposed to face each other in the ceramic body, having the dielectric layer disposed therebetween, and alternately exposed through end surfaces of the ceramic body; and first and second external electrodes extended from the end surfaces of the ceramic body to upper and lower main surfaces of the ceramic body wherein, when a height of the ceramic body is defined as a, and a distance from an upper end of the first or second external electrode formed on the upper main surface of the ceramic body to a lower end of the first or second external electrode formed on the lower main surface of the ceramic body is defined as b, 0.990&#x2266;a/b&#x3c;1 is satisfied.

There is provided a multilayered ceramic electronic component including a ceramic body having a hexahedral shape, including a dielectric layer, satisfying T/W&#x3e;1.0 when a length thereof is L, a width thereof is W, and a thickness thereof is T, and having first and second main surfaces, first and second end surfaces, and first and second side surfaces, a plurality of first and second internal electrodes, and first and second external electrodes electrically connected to the first and second internal electrodes, wherein the first and second external electrodes are electrically connected to the exposed portions of the first and second internal electrodes, include first and second head parts formed on the first and second end surfaces, and first and second band parts formed on the first and second main surfaces, and are not formed on the first and second side surfaces.

Growing community of inventors

Gyunggi-do, South Korea

Sang Huk Kim