Patent application number | Description | Published |
20130241361 | MULTILAYER CERAMIC ELECTRONIC COMPONENT AND FABRICATION METHOD THEREOF - There is provided a multilayer ceramic electronic component, including: a ceramic element including a plurality of dielectric layers laminated therein; a plurality of first and second internal electrodes formed on dielectric layers positioned in a middle portion of the ceramic element and alternately exposed from both ends of the ceramic element; a plurality of dummy electrodes formed on dielectric layers positioned in upper and lower portions of the ceramic element, respectively; and first and second external electrodes formed on both ends of the ceramic element and electrically connected to the exposed portions of the first and second internal electrodes, wherein the length of each of the dummy electrodes is longer than that of the first and second external electrodes covering the ceramic element. | 09-19-2013 |
20140131082 | MULTILAYERED CERAMIC CAPACITOR, MOUNTING STRUCTURE OF CIRCUIT BOARD HAVING MULTILAYERED CERAMIC CAPACITOR MOUNTED THEREON, AND PACKING UNIT FOR MULTILAYERED CERAMIC CAPACITOR - There is provided a multilayered ceramic capacitor, including: a ceramic body; an active layer including a plurality of first and second internal electrodes; an upper cover layer; a lower cover layer, the lower cover layer being thicker than the upper cover layer; a dummy electrode formed inside at least one of the upper and lower cover layers; and first and second external electrodes, wherein, when A is defined as ½ of an overall thickness of the ceramic body, B is defined as a thickness of the lower cover layer, C is defined as ½ of an overall thickness of the active layer, and D is defined as a thickness of the upper cover layer, a ratio of deviation between a center of the active layer and a center of the ceramic body, (B+C)/A, satisfies 1.063≦(B+C)/A≦1.745. | 05-15-2014 |
20140151102 | MULTILAYERED CERAMIC CAPACITOR AND BOARD FOR MOUNTING THE SAME - There is provided a multilayered ceramic capacitor including: a ceramic body in which a plurality of dielectric layers are stacked; 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, having the dielectric layer interposed therebetween, to form capacitance; an upper cover layer formed above the active layer, a lower cover layer formed below the active layer and being thicker than the upper cover layer; and first and second external electrodes formed to cover both end surfaces of the ceramic body, wherein a ratio of an area Y of a region overlapped between the first and second internal electrodes to a total area X of the active layer and the upper cover layer on a cross section of the ceramic body in length-thickness (L-T) directions is in a range of 0.5 to 0.9. | 06-05-2014 |
20140166351 | MULTILAYER CERAMIC CAPACITOR AND CIRCUIT BOARD FOR MOUNTING THE SAME - A multilater ceramic capacitor includes: a ceramic body in which a plurality of dielectric layers are laminated; and 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, and forming capacitance. An upper cover layer is formed on an upper portion of the active layer; a lower cover layer is formed on a lower portion of the active layer and having a thickness greater than that of the upper cover layer. First and second external electrodes cover both end surfaces of the ceramic body. Specific sizing of ceramic body and electrodes is defined. | 06-19-2014 |
20140168849 | MULTILAYER CERAMIC CAPACITOR AND BOARD FOR MOUNTING THE SAME - 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. | 06-19-2014 |
20150041197 | EMBEDDED MULTILAYER CERAMIC ELECTRONIC COMPONENT AND PRINTED CIRCUIT BOARD HAVING THE SAME - There is provided an embedded multilayer ceramic electronic component including: a ceramic body including dielectric layers; first internal electrodes and second internal electrodes having first and second leads; first dummy electrodes and second dummy electrodes; and first and second external electrodes, wherein when a length from ends of the first and second external electrodes formed on first and second lateral surfaces of the ceramic body to the first and second external electrodes corresponding to the first and second leads is G, a length of the first and second external electrodes formed on the first and second lateral surfaces of the ceramic body up to end surfaces of the ceramic body is BW, and a length from the end surfaces of the ceramic body to the first and second external electrodes corresponding to the first and second leads is M, 30 μm≦G02-12-2015 | |
20150049412 | MULTILAYER CERAMIC CAPACITOR, METHOD OF MANUFACTURING THE SAME, AND PRESSING PLATE FOR MULTILAYER CERAMIC CAPACITOR - There is provided a multilayer ceramic capacitor, including: a ceramic body including a plurality of dielectric layers stacked therein; first and second internal electrodes alternately exposed to both end surfaces of the ceramic body, having each of the dielectric layers disposed therebetween; and first and second external electrodes formed on the end surfaces of the ceramic body and electrically connected to the first and second internal electrodes, respectively, wherein a difference in rigidity between upper and lower portions of the ceramic body is 4% or less. | 02-19-2015 |
Patent application number | Description | Published |
20140138136 | MULTILAYERED CERAMIC CAPACITOR, MOUNTING STRUCTURE OF CIRCUIT BOARD HAVING MULTILAYERED CERAMIC CAPACITOR THEREON, AND PACKING UNIT FOR MULTILAYERED CERAMIC CAPACITOR - There is provided a multilayered ceramic capacitor, including: a ceramic body having a plurality of dielectric layers laminated therein; an active layer including a plurality of internal electrodes having the respective dielectric layers interposed therebetween; an upper cover layer; a lower cover layer; external electrodes; and a plurality of dummy electrodes, wherein, when A is defined as ½ of an overall thickness of the ceramic body, B is defined as the thickness of the lower cover layer, C is defined as ½ of an overall thickness of the active layer, and D is defined as the thickness of the upper cover layer, a ratio of deviation between a center portion of the active layer and a center portion of the ceramic body, (B+C)/A, satisfies 1.063≦(B+C)/A≦1.745. | 05-22-2014 |
20140185186 | MULTILAYER CERAMIC CAPACITOR AND BOARD FOR MOUNTING THE SAME - There is provided a multilayer ceramic capacitor including: a ceramic body in which a plurality of dielectric layers are laminated; 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; and first and second external electrodes covering both end surfaces of the ceramic body, wherein the ceramic body includes an active layer forming capacitance by including the plurality of first and second internal electrodes and a cover layer formed on an upper portion or a lower portion of the active layer, wherein the active layer includes a first block in which a first region I, and a second region II, and a second block in which a third region III, and a fourth region IV. | 07-03-2014 |