Samsung Electro-mechanics Co., Ltd.

Jong Suk Jeong

Jin Woo Kim

Jong Hoon Yoo

Dong Geon Yoo

Chun Hee Seo

Chang Hak Choi

Kyung Ryul Lee

Su Been Kim

Tae Hyung Kim

Han Wool Ryu

Sang Kyun Kwon

Jeong Wook Seo

Dong Hun Kim

Chul Min Sim

Seong Jae Lee

Kang Heon Hur

Seok Hyun Yoon

Ji Hyun Lee

Ho Sam Choi

Eun Jung Lee

Jung Wook Seo

Sim Chung Kang

Ki Yong Lee

Byung Kun Kim

Chang Ryul Jung

Jong Sik Yoon

Jong Ho Chung

Hyung Joon Jeon

Hiroyuki Matsumoto

Chui Min Sim

Hyun Min Lee

Hyung Jun Kong

A multilayer capacitor includes a body including a plurality of dielectric layers and a plurality of internal electrodes laminated with the dielectric layers interposed therebetween, and an external electrode disposed externally on the body and connected to one or more of the plurality of internal electrodes. One of the plurality of dielectric layers includes a barium titanate composition including a Sn component. One of the plurality of internal electrodes includes a Sn component. The one of the plurality of dielectric layers has a Sn content equal to at least twice a Sn content of the one of the plurality of internal electrodes adjacent to the one of the plurality of dielectric layers.

Multilayer capacitor

A multilayer ceramic electronic component includes: a ceramic body including a dielectric layer having a main component represented by (BaCa)(Ti(Zr, Hf))O(where, 0≤x≤1, 0≤y≤0.5), and including first and second internal electrodes alternately stacked with the dielectric layer interposed therebetween; a first external electrode connected to the first internal electrode; and a second external electrode connected to the second internal electrode, wherein at least one of the dielectric layer and the internal electrode includes Sn or Dy. If Sn, an average content of Sn at an interface between the dielectric layer and the internal electrode is within a range of 5 at % or more and 20 at % or less. If Dy, an average content of Dy at an interface between the dielectric layer and the internal electrode is within a range of 1 at % or more and 5 at % or less.

Multilayer ceramic electronic component

An Fe-based nanocrystalline alloy is represented by Composition Formula, (FeMa)MBPCuM, where Mis at least one element selected from the group consisting of Co and Ni, Mis at least one element selected from the group consisting of Nb, Mo, Zr, Ta, W, Hf, Ti, V, Cr, and Mn, Mis at least two elements selected from the group consisting of C, Si, Al, Ga, and Ge but necessarily includes C, and 0≤a≤0.5, 1.5<b≤3, 10≤c≤13, 0<d≤4, 0<e≤1.5, and 8.5≤g≤12.

Fe-based nanocrystalline alloy and electronic component using the same

According to an aspect of the present disclosure, a capacitor component includes a body including a dielectric layer and an internal electrode layer; and an external electrode disposed on the body and connected to the internal electrode layer, wherein the body further includes a withstand voltage layer disposed in a region spaced apart by more than 0 to 30 nm or less in a direction from a boundary of the internal electrode layer toward the dielectric layer, and having ionic mobility, lower than ionic mobility of the dielectric layer.

Capacitor component and method for manufacturing same

A multilayer ceramic electronic component includes: a ceramic body including a dielectric layer having a main component represented by (BaCa) (Ti(Zr, Hf))O(where, 0≤x≤1, 0≤y≤0.5), and including first and second internal electrodes alternately stacked with the dielectric layer interposed therebetween; a first external electrode connected to the first internal electrode; and a second external electrode connected to the second internal electrode, wherein at least one of the dielectric layer and the internal electrode includes Sn or Dy. If Sn, an average content of Sn at an interface between the dielectric layer and the internal electrode is within a range of 5 at % or more and 20 at % or less. If Dy, an average content of Dy at an interface between the dielectric layer and the internal electrode is within a range of 1 at % or more and 5 at % or less.

A multilayer capacitor includes a body including a plurality of dielectric layers and a plurality of internal electrodes stacked in a first direction, and external electrodes, wherein the body includes an active portion, a side margin portion covering at least one of a first surface and a second surface of the active portion opposing each other in a second direction, and a cover portion covering the active portion in the first direction, respective dielectric layers among the plurality of dielectric layers include a barium titanate-based composition, the dielectric layer of the side margin portion includes Sn, and a content of Sn in the dielectric layer of the side margin portion is different from that of Sn in the dielectric layer of the active portion, and the dielectric layer of the side margin portion includes at least some grains having a core-shell structure.

Multilayer capacitor with core-shell dielectric

A ceramic electronic component includes: a body including dielectric layers and internal electrodes; and external electrodes disposed on the body and connected to the internal electrodes, wherein the dielectric layer includes a plurality of dielectric crystal grains, and at least one of the plurality of dielectric crystal grains has a core-double shell structure, the double 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 first shell includes a first element, one or more of Sn, Sb, Ge, Si, Ga, In, or Zr, and the second shell includes a second element, one or more of Ca or Sr.

Ceramic electronic component

A multilayer capacitor includes a body including a plurality of dielectric layers, and a plurality of internal electrodes stacked with one of the dielectric layers interposed therebetween, and external electrodes disposed on external surfaces of the body and connected to the internal electrodes, respectively. The plurality of dielectric layers include a dielectric expressed by empirical formula BaM1TiSnM2O(0.008&#x2264;x&#x2264;0.05, 0.006&#x2264;a&#x2264;0.03, and 0.0006&#x2264;b&#x3c;0.006) in which M1 includes a rare earth element, and M2 includes at least one of Mn or V.

Dielectric and multilayer capacitor including the same

A multilayer capacitor includes a capacitor body including an active region having dielectric layers and internal electrodes alternately stacked therein, the capacitor body including upper and lower covers disposed on upper and lower surfaces of the active region, respectively; and an external electrode disposed on an external surface of the capacitor body. In one of the upper and lower covers, a portion thereof between a boundary surface of the active region and a boundary surface of the capacitor body is divided into a first cover region adjacent to the active region and a second cover region adjacent to the boundary surface of the capacitor body, and the first cover region includes grains having a core-shell structure doped with Sn. The first cover region includes 20% or more of Sn-doped core-shell structure grains, compared to the total of grains in the first cover region.

Multilayer capacitor and board having the same mounted thereon

A multilayer ceramic capacitor includes a ceramic body including a dielectric layer, a plurality of first and second internal electrodes disposed inside the ceramic body, exposed to the first and second surfaces, and having ends exposed to the third or fourth surface, and a first side margin portion and a second side margin portion disposed on side portions of the plurality of first and second internal electrodes exposed to the first and second surfaces. A ratio Db/Da satisfies 1.00 to 1.07, inclusive, where 'Db' is a distance, in a stacking direction of the dielectric layer, between both end points of respective edge regions of the first side margin portion and the second side margin portion, and 'Da' is a distance in a central region of the ceramic body in the stacking direction.

Multilayer ceramic capacitor and method of manufacturing the same

An Fe-based nanocrystalline alloy is represented by Composition Formula, (FeM)MBPCuM, where Mis at least one element selected from Co and Ni, Mis at least one element selected from the group consisting of Nb, Mo, Zr, Ta, W, Hf, Ti, V, Cr, and Mn, Mis at least one element selected from the group consisting of C, Si, Al, Ga, and Ge, and 0&#x2264;a&#x2264;0.5, 2&#x2264;b&#x2264;3, 9&#x2264;c&#x2264;11, 1&#x2264;d&#x2264;2, 0.6&#x2264;e&#x2264;1.5, and 9&#x2264;g&#x2264;11.

An inductor includes a body including a coil and an encapsulant and an external electrode on an outer surface of the body. The encapsulant includes a first core surrounding the coil and a second core surrounding the first core. The first core includes a magnetic powder having high current characteristics, and the second core includes a magnetic powder having high capacity characteristics.

Inductor

A chip electronic component includes a magnetic body including magnetic metal powder particles, an internal coil unit embedded in the magnetic body, and a cover unit disposed on at least one of upper and lower surfaces of the magnetic body and including a magnetic metal plate. The magnetic metal plate is cracked and includes a plurality of metal fragments.

Growing community of inventors

Suwon-si, South Korea

Jong Suk Jeong