Samsung Electro-mechanics Co., Ltd.

Jong Hyun Cho

Sung Hyung Kang

Hang Kyu Cho

Ji Hong Jo

Hyung Kyu Kim

Min Sung Song

Byung Kil Yun

Sang Roc Lee

Jae Shik Shim

Yong Koo Kim

Yong In Kim

Seok Kyoon Woo

Won Hee Yoo

Il Ho An

Hyun Sung Dong

Du Won Choi

Min Hoe Kim

Jung Wun Hwang

Yo Han Seo

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 having a plurality of dielectric layers and first and second internal electrodes alternately disposed with the dielectric layers interposed therebetween, and further including an active region in which the first and second internal electrodes overlap each other, and upper and lower covers disposed above and below the active region, respectively; and first and second external electrodes disposed on the body to be connected to the first and second internal electrodes, respectively, wherein the upper and lower covers include barium titanate (BT, BaTiO) and Yttria-stabilized zirconia (YSZ).

Multilayer capacitor and board having the same mounted thereon

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

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Suwon-si, South Korea

Jong Hyun Cho