Abstract:
There is provided a multilayer ceramic electronic component to be embedded in a board, including a ceramic body including dielectric layers and having first and second main surfaces facing each other, first and second side surfaces facing each other, and first and second end surfaces facing each other, an active layer including a plurality of first and second internal electrodes alternately exposed through both end surfaces of the ceramic body with the dielectric layers interposed therebetween, to form capacitance therein, upper and lower cover layers formed on upper and lower portions of the active layer, and first and second external electrodes formed on both end surfaces of the ceramic body, wherein when a thickness of the upper or lower cover layer is defined as tc, 4 μm≦tc≦20 μm may be satisfied.
Abstract:
An embedded device includes a multilayer body including dielectric layers and internal electrode layers interposed between adjacent dielectric layers; external electrodes disposed on external surfaces of the multilayer body to apply electric charges having different polarities to adjacent internal electrode layers, the external electrodes containing a conductive material; first copper layers disposed on external surfaces of the external electrodes to cover the external electrodes; and second copper layers disposed on the first copper layers to cover the first copper layers. An average particle diameter of powder particles of the first copper layers is greater than an average particle diameter of powder particles of the second copper layers.
Abstract:
In a multilayer ceramic electronic component to be embedded in a board, a thickness of a ceramic body in an overall chip may be increased by not allowing an increase in a thickness of an external electrode to occur, while forming a band surface of the external electrode having a predetermined length or greater for connecting the external electrode to an external wiring through a via hole, thereby improving chip strength and preventing the occurrence of damage such as breakage, or the like, a manufacturing method thereof, and a printed circuit board having the multilayer ceramic electronic component.
Abstract:
A multilayer ceramic electronic component embedded in a board may include: a ceramic body including dielectric layers; a plurality of first and second internal electrodes alternately exposed through both end surfaces of the ceramic body; and first and second external electrodes formed on both end portions of the ceramic body, respectively. The first external electrode may include a first base electrode and a first terminal electrode, the second external electrode may include a second base electrode and a second terminal electrode, 400 nm≦Ra≦600 nm may be satisfied when a surface roughness in a region of 50 μm×50 μm in the first and second terminal electrodes is defined as Ra, and 130 nm≦Ra′≦400 nm may be satisfied when a surface roughness in a region of 10 μm×10 μm in the first and second terminal electrodes is defined as Ra′.
Abstract:
There is provided a multilayer ceramic electronic component embedded in a board including: a ceramic body including dielectric layers; first and second internal electrodes; and first and second external electrodes formed on first and second side surfaces of the ceramic body, respectively, wherein the first external electrode includes a first electrode layer and a first metal layer formed on the first electrode layer, the second external electrode includes a second electrode layer and a second metal layer formed on the second electrode layer, the first and second external electrodes are formed to be extended to first main surface of the ceramic body, and when a maximum width and a minimum width of at least one of the first and second external electrodes formed on the first main surface are defined as BWmax and BWmin, respectively, 0≦BWmax−BWmin≦100 μm is satisfied.
Abstract:
There is provided an embedded multilayer ceramic electronic component including: a ceramic body including a dielectric layer; a plurality of first and second internal electrodes; and first and second external electrodes formed on both end portions of the ceramic body, wherein the first and second external electrodes are extended to first and second main surfaces of the ceramic body, and when a thickness of the ceramic body is defined as ts, a maximum thickness of the first and second external electrodes formed on the first and second main surfaces of the ceramic body is defined as tb, a minimum distance of the first and second external electrodes formed on first and second end surfaces of the ceramic body in a length direction of the ceramic body is defined as ta, tb/ts and ta/tb satisfy the following Equations, respectively: 0.1≦tb/ts≦1.0 and 0.5≦ta/tb≦2.0.
Abstract:
There is provided a multilayer ceramic capacitor to be embedded in a board, including: a ceramic body; first and second internal electrodes alternately exposed through end surfaces of the ceramic body; first and second external electrodes formed on end surfaces of the ceramic body; and first and second plating layers enclosing the first and second external electrodes, wherein when distance from one end of bands of the first or second external electrode to the other end thereof is ‘A’ and distance between points at which a virtual line drawn from a point vertically spaced apart from a surface of the first or second plating layer at a point ½×A from one end of the bands inwardly of the ceramic body by 3 μm in length direction of the ceramic body intersects points on the surface of the first or second plating layer is ‘B,’ B/A≧0.6.
Abstract:
There are provided multilayer ceramic capacitor, a manufacturing method therefor, a circuit board having a multilayer ceramic capacitor embedded therein, and a polishing device for a multilayer ceramic capacitor.