Samsung Electro-mechanics Co., Ltd.

Tae Young Ham

Hyung Soon Kwon

Hyoung Uk Kim

Jae Sung Park

Seung In Baik

Ki Myoung Yun

Ji Hong Jo

Jong Han Kim

Min Young Choi

Kyoung Jin Cha

Kyung Sik Kim

Dong Jun Jung

In Tae Seo

Jeong Yun Park

Jong Hwan Lee

A dielectric composition includes a main ingredient having a perovskite structure represented by ABO, where A is at least one of Ba, Sr, and Ca and B is at least one of Ti, Zr, and Hf, and a first accessory ingredient. The first accessory ingredient comprises 0.1 mole or more of a rare earth element, 0.02 mole or more of Nb, and 0.25 mole or more and 0.9 mole or less of Mg, a sum of contents of the rare earth element and Nb is 1.5 mole or less.

Dielectric composition and multilayered electronic component comprising the same

A multilayer electronic component includes a body including a plurality of dielectric layers, wherein, wherein a central portion of the capacitance formation portion is Aa, a boundary portion of the capacitance formation portion, adjacent to the cover portions, is Ab, a dielectric grain size corresponding to the top 50% of dielectric grains, in order of enlargement, from the smallest grain size, among a plurality of dielectric grains included in Aa, is D50a, and a dielectric grain size corresponding to the top 50% of dielectric grains, in order of enlargement, from the smallest grain size, among a plurality of dielectric grains included in Ab, is D50b, D50a satisfies 190 nm or less and D50b satisfies 120 nm or greater.

Multilayer electronic component and dielectric composition

A multilayer electronic component according to some embodiments of the present disclosure includes: a body including a dielectric layer and an internal electrode alternately disposed with the dielectric layer; and an external electrode disposed on the body, wherein a ratio of the number of dielectric grains having a size of 100 to 250 nm included in the dielectric layer is 55% or more with respect to a total number of the dielectric grains included in the dielectric layer.

Multilayered electronic component and dielectric composition

A dielectric ceramic composition and a multilayer ceramic capacitor comprising the same includes a barium titanate (BaTiO)-based base material main ingredient and an accessory ingredient, and the accessory ingredient includes a third trivalent lanthanide rare earth element A and terbium (Tb) as rare earth elements, and a molar ratio (Tb/A) of a content of terbium (Tb) to the content of the trivalent lanthanide rare earth element A satisfies 0.15&#x2264;Tb/A&#x3c;0.50.

Dielectric ceramic composition and multilayer ceramic capacitor comprising the same

A dielectric ceramic composition includes a barium titanate-based base material main ingredient and an accessory ingredient, and the accessory ingredient includes dysprosium (Dy) and gadolinium (Gd) as first accessory ingredient elements, and a content ratio of gadolinium (Gd), based on a total content of the first accessory ingredient elements, is 25% or higher.

A multilayer capacitor includes: a body including dielectric layers and first and second internal electrodes alternately disposed with respective dielectric layers interposed therebetween; and first and second external electrodes disposed on the body to be connected to the first and second internal electrodes, respectively. The dielectric layer contains BaTiOas a main ingredient, and includes a plurality of grains and grain boundaries formed between adjacent grains, the grain boundary containing Si in an amount of 8.0 to 18.0 wt % and Al and Mg in a total content of 2.0 to 6.0 wt %.

Multilayer capacitor

A dielectric composition includes: a base material powder including (CaSr) (ZrTi)O(0&#x3c;x&#x2264;0.7, 0&#x3c;y&#x2264;0.03); a first subcomponent including at least one selected from the group of an oxide of manganese (Mn) and a carbonate of manganese (Mn); a second subcomponent including at least one selected from the group of an oxide of yttrium (Y) and a carbonate of yttrium (Y), where a content of the second subcomponent is within a range from 2 to 3 mol, based on 100 mol of the base material powder; and a third subcomponent including at least one selected from the group of an oxide of silicon (Si) and a carbonate of silicon (Si), and an electronic component uses the same.

Dielectric composition and electronic component using the same

A capacitor component includes a body in which a dielectric layer and an internal electrode are alternately stacked, and an external electrode disposed on the body and connected to the internal electrode. The dielectric layer includes a composite layer including a dielectric material powder and a metallic particle and first and second protective layers including a dielectric material powder and spaced apart by the composite layer. A thickness of each of the first and second protective layers is equal to or greater than &#x2153; of a thickness of the dielectric layer.

Capacitor component and method of manufacturing the same

A multilayer electronic component includes: a body including first and second internal electrodes alternately disposed with respective dielectric layers interposed therebetween; and first and second external electrodes disposed on the body to be connected to the first and second internal electrodes, respectively, wherein each of the dielectric layers includes BaTiOand includes a plurality of grains and grain boundaries formed between adjacent grains, and a sum of contents of Si and Dy in the grain boundary is 10 to 15 parts by weight.

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Suwon-si, South Korea

Tae Young Ham