H01G4/1209

Ceramic electronic component and method for manufacturing ceramic electronic component
11515090 · 2022-11-29 · ·

A ceramic electronic component includes a ceramic body and an external electrode including an end surface region on an end surface of the ceramic body and a side surface region on a side surface of the ceramic body. The side surface region includes a first end portion electrically connected to the end surface region, and a second end portion opposite to the first end portion. At at least a portion where an internal electrode is led out, the end surface region includes a high glass content layer in contact with the ceramic body. At least the second end portion and a vicinity thereof includes a low glass content layer in contact with the ceramic body. At least a portion of the side surface region includes a surface with the low glass content layer exposed.

Multilayer capacitor and substrate including the same mounted thereon

A multilayer capacitor includes a capacitor body having an active region, upper and lower cover regions, and width margins on opposing sides of the active region. The width margin includes a first region on an internal side thereof adjacent the first and second internal electrodes and a second region on an external side between the first region and a respective external surface of the capacitor body, and the upper and lower cover regions each include a third region on an internal side thereof adjacent the internal electrodes and a fourth region on an external side between the third region and a respective external surface of the capacitor body. The active region, the second region, and the fourth region have a same dielectric constant A, and the first and third regions have a same dielectric constant B, and A and B are different from each other and satisfy 0.5≤B/A.

Electronic component including diffusion regions

An electronic component includes a multilayer body including a multilayer main body including internal nickel electrode layers exposed at end surfaces thereof, external nickel layers on the end surfaces of the multilayer body, and external copper electrode layers covering one of the end surfaces. When dimensions of the external nickel layer and the multilayer body are TN and T0, a relationship of TN<T0 is satisfied. When dimensions of the external nickel layer and the multilayer body are WN and W0, a relationship of WN<W0 is satisfied. The internal nickel electrode layers include at least one uncovered region. The internal nickel electrode layers are directly bonded to the external copper electrode layers in the uncovered region. At least one diffusion region is provided in which copper of the external copper electrode layers is diffused.

Electronic component and board having the same mounted thereon

An electronic component and a board having the same mounted thereon are provided. The electronic component includes an electronic component including a capacitor array in which a plurality of multilayer capacitors including a capacitor body and a pair of external electrodes, respectively disposed on both end portions of the capacitor body in a first direction, are stacked in a second direction, perpendicular to the first direction, and a length of a multilayer capacitor, disposed on a lower end in the second direction, in the first direction is less than a length of another multilayer capacitor in the first direction; and a pair of metal frames, respectively disposed to be connected to the pair of external electrodes of the multilayer capacitor disposed on the lower end.

Multilayer ceramic capacitor

In a multilayer ceramic capacitor, an intersection of an interface is defined by a second dielectric ceramic layer, a first internal electrode layer or a second internal electrode layer, and a third dielectric ceramic layer, on a plane including a length direction and a width direction, the second dielectric ceramic layer and the third dielectric ceramic layer include a near intersection region at or near the intersection, and an average particle size of dielectric particles in the near intersection region is smaller than average particle sizes of dielectric particles in the first dielectric ceramic layer, the second dielectric ceramic layer, and the third dielectric ceramic layer.

Electronic component with external electrode including conductive resin layer and method for producing electronic component
11508520 · 2022-11-22 · ·

An electronic component includes an element body and an external electrode disposed on the element body. The external electrode includes a conductive resin layer and a plating layer disposed on the conductive resin layer. The conductive resin layer includes a surface partially provided with a resin lump including an electrically insulating resin. The resin lump includes a surface exposed from the plating layer.

MULTILAYERED ELECTRONIC COMPONENT AND A METHOD FOR MANUFACTURING THE SAME

A method for manufacturing a multilayer electronic component includes: preparing first ceramic green sheets on which first internal electrode patterns are formed spaced apart from each other and second ceramic green sheets on which second internal electrode patterns are formed spaced apart from each other; forming a ceramic green sheet stack by stacking the first ceramic green sheets and the second ceramic green sheets for the first internal electrode patterns and the second internal electrode patterns to be cross-stacked on each other; obtaining a multilayer body by cutting the ceramic green sheet stack to have a side surface to which distal edges of the first and second internal electrode patterns are exposed; adhering an adhesive layer to the side surface to which the distal edges of the first and second internal electrode patterns of the multilayer body are exposed; and peeling the adhesive layer from the side surface.

Multilayer ceramic capacitor
11587730 · 2023-02-21 · ·

A multilayer ceramic capacitor includes a multilayer body in which dielectric layers are layered, first internal electrode layers extending to opposing end surfaces of the multilayer body, second internal electrode layers extending to opposing side surfaces of the multilayer body, first and second external electrodes connected to the first internal electrode layers and provided on the respective opposing end surfaces, and third and fourth external electrodes connected to the second internal electrode layers and provided on the respective opposing side surfaces. A number of the first internal electrode layers is larger than a number of the second internal electrode layers, at least two first internal electrode layers are successively layered, and a thickness of the second internal electrode layers is larger than a thickness of the first internal electrode layers.

MULTILAYERED CAPACITOR AND BOARD HAVING THE SAME MOUNTED THEREON

A multilayer capacitor includes a ceramic body including a dielectric layer, and having first to sixth surfaces, connected to the first surface to the fourth surface and opposing each other, a plurality of internal electrodes disposed inside the ceramic body, exposed to the fifth surface and the sixth surface, and having one ends exposed to the third surface or the fourth surface, and a first side margin portion and a second side margin portion disposed on end portions of the internal electrode, exposed to the fifth surface and the sixth surface, the first and second side margin portions are divided into an inner layer formed to be adjacent to the ceramic body, and an outer layer formed on the inner layer, and a dielectric constant of the inner layer is lower than a dielectric constant of the outer layer.

Multilayer ceramic electronic component
11501921 · 2022-11-15 · ·

A multilayer ceramic electronic component includes multilayer ceramic electronic component bodies each including a laminate and first and second outer electrodes respectively disposed on two end surfaces of the laminate, first and second metal terminals respectively connected to the first and second outer electrodes, and first and second terminal blocks respectively connected to the first and second metal terminals. A thickness dimension of each multilayer ceramic electronic component body in a height direction is less than a width dimension of the multilayer ceramic electronic component body in a width direction. Each multilayer ceramic electronic component body is disposed such that a first or second side surface faces a mounting surface. The first and second metal terminals are respectively disposed astride the first and second outer electrodes of the multilayer ceramic electronic component bodies.