H01G4/1218

Multilayer ceramic capacitor having ultra-broadband performance

The present invention is directed to a multilayer ceramic capacitor that includes a plurality of active electrodes and at least one shield electrode that are each arranged within a monolithic body and parallel with a longitudinal direction. The capacitor may exhibit a first insertion loss value at a test frequency, which may be greater than about 2 GHz, in a first orientation relative to the mounting surface. The capacitor may exhibit a second insertion loss value at about the test frequency in a second orientation relative to the mounting surface and the capacitor is rotated 90 degrees or more about the longitudinal direction with respect to the first orientation. The longitudinal direction of the capacitor may be parallel with the mounting surface in each of the first and second orientations. The second insertion loss value may differ from the first insertion loss value by at least about 0.3 dB.

METHOD OF PRODUCING CORE-SHELL PARTICLES AND MULTILAYER CERAMIC ELECTRONIC COMPONENT INCLUDING CORE-SHELL PARTICLES

A method of producing a core-shell particle includes introducing a barium titanate-based base powder and an additive to a reactor, and exposing the barium titanate-based base powder and the additive to a thermal plasma torch to obtain core-shell particles including a core portion having barium titanate (BaTiO.sub.3) and a shell portion including the additive and formed on a surface of the core portion.

MULTILAYER CERAMIC ELECTRONIC COMPONENT
20230095128 · 2023-03-30 ·

A multilayer ceramic capacitor includes an external electrode including an underlying electrode layer, a lower plating layer on the underlying electrode layer at a first end surface and a second end surface, and an upper plating layer on the lower plating layer. The underlying electrode layer is a thin film electrode including at least one selected from Ni, Cr, Cu, and Ti. The lower plating layer is a Cu plating layer including a lower layer region located closer to the multilayer body and an upper layer region located between the lower layer region and the upper plating layer, and the Cu plating layer in the lower layer region has a metal grain diameter smaller than that of the Cu plating layer located in the upper layer region.

Multilayer electronic component and method of manufacturing the same

A multilayer electronic component includes a body including a plurality of dielectric layers and having first and second surfaces opposing each other, third and fourth surfaces connected to the first surface and the second surface and opposing each other, and fifth and sixth surfaces connected to the first to fourth surfaces and opposing each other, a plurality of internal electrodes disposed inside of the body, exposed to the first surface and the second surface, and having one ends exposed to the third or fourth surfaces, side margin portions disposed on the first surface and the second surface, and external electrodes disposed on the third surface and the fourth surface. The side margin portions and the plurality of dielectric layers include a metal, and a total amount of the metal included in the side margin portions is greater than that of the plurality of dielectric layers.

MULTILAYER CERAMIC CAPACITOR
20230101251 · 2023-03-30 ·

A multilayer ceramic capacitor includes a multilayer body including an inner layer portion including internal electrode layers and inner dielectric layers laminated alternately, and internal electrode layers at both ends thereof in a lamination direction, and outer dielectric layers covering the inner layer portion, and two external electrodes on both end surfaces of the multilayer body in a length direction intersecting the lamination direction. The inner and outer dielectric layers each include grains, and a difference between an average grain size of grains in the inner dielectric layers and an average grain size of grains in the outer dielectric layers is about 100 nm or less.

MULTI-LAYERED CERAMIC CAPACITOR

A multilayer ceramic capacitor includes a body including a dielectric layer and first and second internal electrodes having different sizes to each other, and having first and second surfaces of the first and second internal electrodes, opposing each other in a stacking direction, third and fourth surfaces connected to the first and second surfaces and opposing each other, and fifth and sixth surfaces connected to the first and second surfaces and connected to the third and fourth surfaces, and opposing each other; and first and second external electrodes. When a margin of the first internal electrode in a longitudinal direction is b, and a margin of the first internal electrode in a width direction is d, a margin of the second internal electrode in a longitudinal direction is a, and a margin of the second internal electrode in a width direction is c, a ratio (a/b) of the margin (a) of the second internal electrode in the longitudinal direction to the margin (b) of the first internal electrode in the longitudinal direction is 0.33 or more (where, a>0 and b>0) or a ratio (c/d) of the margin (c) of the second internal electrode in the width direction to the margin (d) of the first internal electrode in the width direction is 0.33 or more (where, c>0 and d>0).

MULTILAYER CERAMIC CAPACITOR
20230099467 · 2023-03-30 ·

A multilayer ceramic capacitor includes dielectric layers made of a ceramic material and internal electrode layers laminated therein. The internal electrode layers each include dielectric columns provided therein. A solid solution layer in which S is solidly dissolved is provided at an interface between each of the dielectric columns and each of the internal electrode layers.

CAPACITOR, ELECTRONIC DEVICE INCLUDING THE SAME, AND METHOD OF MANUFACTURING THE SAME

Provided are a capacitor, an electronic device including the same, and a method of manufacturing the same, the capacitor including a first thin-film electrode layer; a second thin-film electrode layer; a dielectric layer between the first thin-film electrode layer and the second thin-film electrode layer; and an interlayer between the dielectric and at least one of the first thin-film electrode layer or the second thin-film electrode layer, the interlayer including a same crystal structure type as and a different composition from at least one of the first thin film electrode layer, the second thin film electrode layer, or the dielectric layer, the interlayer including at least one of a anionized layer or a neutral layer.

DIELECTRIC COMPOSITION AND MULTILAYER CERAMIC ELECTRONIC DEVICE

A dielectric composition includes a dielectric grain including a perovskite compound and a first segregation phase including at least Ca, Al, Si, and O.

Multilayer ceramic capacitor and method of manufacturing the same

A multilayer ceramic capacitor includes a ceramic body including dielectric layers, a plurality of internal electrodes disposed in the ceramic body, and a first side margin portion and a second side margin portion respectively arranged on end portions of the internal electrodes exposed to first and second surfaces. The first and second side margin portions each include a first region adjacent to an outward facing side surface of the respective side margin portion, and a second region adjacent to the internal electrodes exposed to the first and second surfaces of the ceramic body, and an average size of dielectric grains included in the second region is larger than an average size of dielectric grains included in the first region.