Samsung Electro-Mechanics Co., Ltd.

Hyo Ju Lee

Jin Woo Kim

Seok Hyun Yoon

Tae Hyung Kim

Hee Sun Chun

Jeong Wook Seo

Hyeg Soon An

Hui Sun Park

Jae Young Lee

Jeong Ryeol Kim

Tae Hyoung Kim

Chi Young Ahn

Chung Yeol Lee

Mi Kyung Kim

Byung Kil Yun

In Ho Jeon

Yoon Jung Kim

Jae Sung Yang

Chang Yell Shin

Yu Na Chae

Min Jung Jang

Bon Hyeong Koo

Eun Kyoung Yang

Moon Ho Son

Eun Hye Cho

Se Yong Kim

Geon Hoi Kim

Ye Hwang Cheong

So Mi Kang

Gye Rim Baek

A multilayer electronic component includes a body including a dielectric layer and internal electrodes; and an external electrode disposed on the body, wherein the dielectric layer includes a boundary portion, a region adjacent to a boundary with the internal electrode, and wherein the boundary portion includes a region satisfying an atomic ratio: 1.0%≤Sn/(Ba+Ti+Sn)≤1.5%.

Multilayer electronic component

A multilayer electronic component includes a body including a dielectric layer including a plurality of dielectric grains and internal electrodes alternately disposed with the dielectric layer in a first direction and external electrodes disposed on the body, wherein at least one of the plurality of dielectric grains has a core-shell structure including an inner core and a shell covering at least a portion of the core, a ratio of an average size of the core to an average size of the dielectric grains having the core-shell structure is 0.4 or more and 0.8 or less, a ratio ((Dy+Tb)/Sn) of the sum of the moles of dysprosium (Dy) and the moles of terbium (Tb) to the moles of tin (Sn) included in the dielectric layer satisfies 0.7 or more and 1.5 or less, and at least one of the dielectric layers has four or more dielectric grains in the first direction.

A multilayer capacitor includes a body including a laminate structure in which at least one first internal electrode and at least one second internal electrode are alternately stacked in a first direction with at least one dielectric layer therebetween, and first and second external electrodes spaced apart on the body, to be connected to at least one first internal electrode and at least one second internal electrode, respectively. The body includes, in a larger molar content, at least one selected from the group consisting of Dy, Tb, Y, Sm, Ho, Gd, Er, Ce, La and Nd in a capacitance formation region including a region between at least one first internal electrode and at least one second internal electrode than in a margin region including a region between a boundary line of at least one first internal electrode and at least one second internal electrode and a surface of the body.

Multilayer capacitor

A dielectric composition includes a BaTiO-based component as a main component, a donor component including a first element and a second element each having a shorter ionic radius and greater atomic weight than Ba, and an acceptor component including at least one of Mg, Al, Mn and V. An ionic radius of the second element is greater than an ionic radius of the first element, a molar content of the second element is less than a molar content of the first element, and a molar content of the acceptor component is greater than a molar content of the donor component.

Dielectric composition and multilayer capacitor comprising the same

A capacitor component includes a body including a dielectric layer and an internal electrode layer, a protective layer disposed on the body, and an external electrode disposed on at least a portion of the protective layer. The protective layer includes oxide ceramic and a metal the same as a metal of the internal electrode layer.

Capacitor component having protective layer which includes oxide ceramic and metal

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. At least a region of the dielectric layer includes tin (Sn) and a lanthanide rare earth element (RE) including dysprosium (Dy). In the at least a region of the dielectric layer, a molar ratio of tin (Sn) to dysprosium (Dy) is from 0.15 to 0.30.

Ceramic electronic component

A ceramic electronic component includes: a body including an active portion, including a first dielectric layer and an internal electrode, and a margin portion disposed a side surface of the active portion and including a second dielectric layer; and an external electrode disposed on the body and connected to the internal electrode. The first and second dielectric layers have different dielectric compositions. The first dielectric layer includes tin (Sn) and dysprosium (Dy). The second dielectric layer includes magnesium (Mg).

Ceramic electronic component including dielectric layers having different dielectric compositions

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Hyo Ju Lee