Samsung Electro-mechanics Co., Ltd.

Jeong Yun Park

Jae Sung Park

Kyung Sik Kim

Ji Hong Jo

Jong Han Kim

Jae Yeol Choi

Hyoung Uk Kim

Chung Eun Lee

Tae Young Ham

Jin Seong Kim

In Tae Seo

Sea Han Na Doo

Jong Hwan Lee

There are provided a dielectric composition and a multilayer capacitor including the same. The dielectric composition contains: barium titanate (BaTiO); and 0.6 to 0.9 mol of calcium (Ca) and 0.5 to 2.0 mol of magnesium (Mg) based on 100 mol of barium titanate.

Dielectric composition and multilayer capacitor including the same

A dielectric composition and a multilayer capacitor including the same are provided. The dielectric composition includes a BaTiO-base main component, a first subcomponent including an Nb component and a Gd component, a second subcomponent including an Mg component, and a third subcomponent including a Ba component and a Ca component. The first subcomponent is included in an amount of 4 moles or less per 100 moles of the main component. In the first subcomponent, a molar content of Nb and a molar content of Gd satisfy 0.33≤Nb/Gd, and in the third subcomponent, a molar content of Ba and a molar content of Ca satisfy 0.2≤Ca/(Ba+Ca).

Dielectric composition and multilayer capacitor

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 includes a barium titanate (BaTiO)-based base material main ingredient and an accessory ingredient, the accessory ingredient including dysprosium (Dy) and praseodymium (Pr) as first accessory ingredients. A content of the Pr satisfies 0.233 mol≤Pr≤0.699 mol, based on 100 mol of the barium titanate base material main ingredient.

Dielectric ceramic composition and multilayer ceramic capacitor comprising the same

A dielectric ceramic composition includes a barium titanate (BaTiO)-based base material main ingredient and an accessory ingredient, the accessory ingredient including dysprosium (Dy) and praseodymium (Pr) as first accessory ingredients. A content of the Pr satisfies 0.233 mol&#x2264;Pr&#x2264;0.699 mol, based on 100 mol of the barium titanate base material main ingredient.

A multilayer ceramic capacitor includes: a ceramic body having first and second surfaces opposing each other and third and fourth surfaces connecting the first and second surfaces to each other; a plurality of internal electrodes disposed in the ceramic body, exposed to the first and second surfaces, and each having one end exposed to the third or fourth surface; and first and second side margin portions disposed on the first and second surfaces and covering exposed surfaces of the internal electrodes. A dielectric composition contained in the first and second side margin portions is different from a dielectric composition contained in the ceramic body, the first and second side margin portions contain a barium titanate-based base material powder and magnesium (Mg), manganese (Mn), and aluminum (Al) as accessory ingredients, and a content ratio of manganese (Mn) to magnesium (Mg), manganese (Mn), and aluminum (Al) satisfies 0.316&#x2264;Mn/(Mn+Mg+Al)&#x2264;0.500, based on a molar content of Mn, Mg and Al in the first and second side margin portions.

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Suwon-si, South Korea

Jeong Yun Park