MULTILAYER CERAMIC CAPACITOR AND BOARD FOR MOUNTING THE SAME

摘要

There is provided a multilayer ceramic capacitor including: a ceramic body; an active layer including a plurality of first and second internal electrodes formed to be alternately exposed to both end surfaces of the ceramic body, disposed vertically on upper and lower surfaces of the ceramic body and forming capacitance; an upper cover layer formed upwardly of the active layer; a lower cover layer formed downwardly of the active layer and having a thickness greater than that of the upper cover layer; and first and second external electrodes covering both end surfaces of the ceramic body, wherein the active layer includes a first block in which a first region I and a second region II formed, and a second block in which a third region III, and a fourth region IV formed.

主权项

1. A multilayer ceramic capacitor comprising:
a ceramic body in which a plurality of dielectric layers are laminated; an active layer including a plurality of first and second internal electrodes formed to be alternately exposed to both end surfaces of the ceramic body with the dielectric layer interposed therebetween, disposed vertically on upper and lower surfaces of the ceramic body and forming capacitance; an upper cover layer formed upwardly of the active layer; a lower cover layer formed downwardly of the active layer and having a thickness greater than that of the upper cover layer; and first and second external electrodes covering both end surfaces of the ceramic body, wherein the active layer includes a first block in which a first region I formed to one side based on a central portion R of the ceramic body in the length direction in the length-width (L-W) cross-section of the ceramic body and including internal electrodes having different polarities facing one another in a lamination direction to form capacitance and a second region II including internal electrodes having the same polarity disposed in the lamination direction so as to not form capacitance, and a second block in which a third region III formed on the other side based on the central portion R of the ceramic body in the length direction, facing the first region I in the length direction of the ceramic body, and including internal electrodes having the same polarity facing one another in the lamination direction so as to not form capacitance, and a fourth region IV facing the second region II in the length direction of the ceramic body and including internal electrodes having different polarities facing one another in the lamination direction to form capacitance.