Patent application number | Description | Published |
20080310078 | Method of implementing low ESL and controlled ESR of multilayer capacitor - Disclosed is a method of implementing controlled equivalent series resistance (ESR) having low equivalent series inductance (ESL) of a multi-layer chip capacitor which includes a plurality of internal electrodes each having first polarity or second polarity which is opposite to the first polarity, and dielectric layers each disposed between the internal electrodes of the first polarity and the second polarity, wherein the internal electrodes having the first polarity and the internal electrodes having the second polarity are alternated at least once to form one or more blocks being stacked. | 12-18-2008 |
20090034154 | MULTILAYER CHIP CAPACITOR - A multilayer chip capacitor includes: a capacitor body; internal electrodes disposed in the capacitor body, each internal electrode having one or more lead; and external electrodes disposed on first and second side surfaces of the capacitor body to be electrically connected to the internal electrodes through the leads. The average number of leads in each internal electrode is smaller than half (½) of the total number of external electrodes. The leads of the internal electrodes having opposite polarities and adjacent in the lamination direction are disposed to be adjacent to each other as seen from the lamination direction. All the internal electrodes having the same polarity are electrically connected to each other in the capacitor. | 02-05-2009 |
20090051474 | LAMINATED INDUCTOR - There is provided a laminated inductor including: a body where a plurality of magnetic layers are laminated; a coil part formed on the magnetic layers, the coil part including a plurality of conductor patterns and a plurality of conductive vias; first and second external electrodes formed on an outer surface of the body to connect to both ends of the coil part, respectively; and a non-magnetic conductor formed on at least one of the magnetic layers so as to relax magnetic saturation caused by direct current flowing through the coil part. The laminated inductor employs the non-magnetic conductor as a non-magnetic gap to be simplified in a manufacturing process and effectively improved in DC superposition characteristics. | 02-26-2009 |
20090086405 | MULTILAYERED CHIP CAPACITOR AND CAPACITANCE TUNNING METHOD OF THE SAME - There is provided a multilayer chip capacitor capable of tuning capacitance, including: a capacitor body where a plurality of dielectric layers are laminated; a plurality of pairs of first and second internal electrodes arranged alternately, while interposing a corresponding one of the dielectric layers; and a plurality of pairs of first and second external electrodes connected to the first and second internal electrodes, wherein the first and second internal electrodes include a plurality of groups each including at least one pair of the first and second internal electrodes, and the first and second internal electrodes of each of the groups are connected to different pairs of the first and second external electrodes, respectively, wherein a corresponding one of the pairs of the first and second external electrodes is selectively connected to power lines so that the multilayer chip capacitor has at least two different capacitances. | 04-02-2009 |
20090086406 | MULTILAYER CAPACITOR - There is provided a multilayer capacitor including: a capacitor body where a plurality of dielectric layers are laminated, the capacitor body including first and second surfaces opposing each other in a laminated direction, wherein the first surface provides a mounting surface; a plurality of first and second inner electrodes; an inner connecting conductor; and a plurality of first and second outer electrodes formed on an outer surface of the body, wherein a corresponding one of the outer electrodes having identical polarity to the inner connecting conductor includes at least one outer terminal formed on the first surface of the body to connect to the inner connecting conductor, and at least one outer connecting conductor formed on the second surface of the body to connect a corresponding one of the inner electrodes of identical polarity to the inner connecting conductor. | 04-02-2009 |
20090139757 | MULTILAYER CHIP CAPACITOR AND CIRCUIT BOARD DEVICE INCLUDING THE SAME - A multilayer chip capacitor including: a capacitor body having a lamination structure where a plurality of dielectric layers are laminated and including a first capacitor part and a second capacitor part arranged according to a lamination direction; first to fourth outer electrodes formed on side surfaces of the capacitor body, the first and third outer electrodes having the same polarity and the second and fourth outer electrodes having the same polarity opposite to that of the first outer electrode; and one or more connection conductor lines formed on an outer surface of the capacitor body and connecting the first outer electrode to the third outer electrode or connecting the second outer electrode to the fourth outer electrode. | 06-04-2009 |
20090213525 | MULTILAYER CHIP CAPACITOR - A multilayer chip capacitor includes a capacitor body including first and second longer side surfaces facing each other and first and second shorter side surfaces facing each other, first and second external electrodes respectively disposed at the first and second longer side surfaces, one or more first internal electrode pairs each including first and second internal electrodes, and one or more second internal electrode pairs each including third and fourth internal electrodes. The first to fourth internal electrodes each have one lead and are sequentially disposed in a stacked direction. The first to fourth internal electrodes have first to fourth leads respectively extending to first to fourth corners or portions adjacent thereto, and alternately connected with the first and second external electrodes. The first internal electrode pair and the second internal electrode pair cause a current to diagonally flow in opposite directions with respect to a long side direction. | 08-27-2009 |
20090244803 | MULTILAYER CHIP CAPACITOR - A multilayer chip capacitor includes a capacitor body including a first capacitor part and a second capacitor part, first and second external electrodes respectively formed on first and second longer side faces of the capacitor body, and third and fourth external electrodes respectively formed on first and second shorter side faces of the capacitor body. The first capacitor part includes first and second internal electrodes of opposite polarity, and the second capacitor part includes third and fourth internal electrodes of opposite polarity. The first to fourth internal electrodes each have one lead. The first to fourth external electrodes are respectively connected to the leads of the first to fourth internal electrodes. A series resonance frequency of the first capacitor part is different from that of the second capacitor part. Equivalent series resistance (ESR | 10-01-2009 |
20090244807 | MULTILAYER CHIP CAPACITOR, MOTHERBOARD APPARATUS HAVING THE SAME, AND POWER DISTRIBUTION NETWORK - There is provided a multilayer chip capacitor including: a capacitor body including first and second capacitor units arranged in a laminated direction; and first to fourth outer electrodes formed on side surfaces of the capacitor body, respectively, wherein the first capacitor unit includes first and second inner electrodes of different polarities alternately arranged in the capacitor body to oppose each other while interposing a corresponding one of dielectric layers, the second capacitor unit includes third and fourth inner electrodes of different polarities alternately arranged in the capacitor body to oppose each other while interposing another corresponding one of the dielectric layers, the first and second capacitor units are electrically insulated from each other, and the first capacitor unit operates in a first frequency range and the second capacitor unit operates in a second frequency range lower than the first frequency range. | 10-01-2009 |
20090279228 | MULTILAYER CHIP CAPACITOR - A multilayer chip capacitor includes a capacitor body provided by a stack of a plurality of dielectric layers, a plurality of internal electrodes disposed in the capacitor body such that the internal electrodes of opposite polarities are alternately disposed to face each other with the dielectric layer interposed between each facing set of the internal electrodes, and a plurality of external electrodes disposed on an outer face of the capacitor body and electrically connected with the internal electrode. Each of the plurality of internal electrodes includes a main electrode part, and at least one lead extending from the main electrode part to a side face of the capacitor body and connected to a corresponding one of the external electrodes. The lead extends to the corresponding external electrode to be inclined with respect to the main electrode part thereof. | 11-12-2009 |
20100032193 | ELECTRODE PAD FOR MOUNTING ELECTRONIC COMPONENT AND STRUCTURE FOR MOUNTING ELECTRONIC COMPONENT - Provided is an electrode pad for mounting an electronic component on a surface of a circuit board. The electrode pad includes first and second electrode parts facing each other, and third and fourth electrode parts facing each other. The third and fourth electrode parts are disposed adjacent to the first and second electrode parts for forming corners of the electrode pad together with the first and second electrode parts. At least one of the first to fourth electrode parts includes a chamfered surface formed by cutting a corner of the at least one of the first to fourth electrode parts forming the corner of the electrode pad. Therefore, when the electrode pad is used for mounting an electronic component, the width of an outer electrode of the electronic component can be sufficiently increased, and thus the shape or size of the outer electrode can be easily adjusted. | 02-11-2010 |
20100033897 | MULTILAYER CHIP CAPACITOR - There is provided a multilayer chip capacitor a multilayer chip capacitor including: a capacitor body including first and second capacitor units arranged therein; and first to fourth outer electrodes, wherein the first capacitor unit includes first and second inner electrodes, and the first capacitor unit includes a plurality of capacitor elements each having a pair of the first and second inner electrodes repeatedly laminated, the second capacitor unit includes third and fourth inner electrodes, and the second capacitor unit includes at least one capacitor element having a pair of the third and fourth inner electrodes repeatedly laminated, and at least one of the capacitor elements of the first capacitor unit is different from the other capacitor elements of the first capacitor unit in a lamination number of the first and second inner electrodes or a resonant frequency. | 02-11-2010 |
20100091427 | MULTILAYER CHIP CAPACITOR - A multilayer chip capacitor includes: a capacitor body having a plurality of dielectric layers laminated therein and comprising first and second capacitor units; and first to fourth external electrodes formed on an outer surface of the capacitor body, wherein the first capacitor unit comprises first and second internal electrodes facing each other with the dielectric layer interposed therebetween, connected to the first and second external electrodes, and having different polarities, each pair of first and second internal electrodes being laminated one or more times to discriminate a plurality of capacitors with a certain capacitance, the second capacitor unit comprises third and fourth internal electrodes facing each other with the dielectric layer interposed therebetween, connected to the third and fourth external electrodes, and having the same polarities as those of the first and second internal electrodes, each pair of third and fourth internal electrodes being laminated one or more times to discriminate one or more capacitors each with a certain capacitance, and at least three capacitors included in the first and second capacitor units have different capacitances or resonance frequencies. | 04-15-2010 |
20100238605 | MULTILAYER CHIP CAPACITOR AND METHOD OF FABRICATING THE SAME - A multilayer chip capacitor includes: a capacitor main body; a plurality of first and second inner electrodes; and m (m≧3) number of first and second outer electrodes. The plurality of first and second inner electrodes are connected with two outer electrodes positioned on both opposing surfaces and having the same polarity as that of the first and second inner electrodes, and classified into a plurality of groups depending on the locations of the outer electrodes connected to the first and second inner electrodes. At least one of two outer electrodes connected with inner electrodes of each group is different from an outer electrode connected with inner electrodes of a different group having the same polarity, and inner electrodes of one group are connected to outer electrodes connected with at least another one group so that all the inner electrodes belonging to the same polarity can be electrically connected. | 09-23-2010 |
20100254070 | MULTILAYER CHIP CAPACITOR - A multilayer chip capacitor includes: a capacitor body having first and second side surfaces and a bottom surface; a plurality of first and second internal electrodes in the capacitor body; first and second external electrodes having a first polarity and formed on the first and second side surfaces, respectively, to cover a respective lower edge of the side surfaces and to partially extend to the bottom surface; and a third external electrode having a second polarity and formed on the bottom surface. The internal electrodes are disposed in perpendicular to the bottom surface. Each of the first internal electrodes has a first lead drawn to the first side and bottom surfaces and a second lead drawn to the second side and bottom surfaces. Each of the second internal electrodes has a third lead drawn to the bottom surface. | 10-07-2010 |
20110013341 | MULTILAYER CHIP CAPACITOR - Disclosed is a multilayer chip capacitor including a capacitor body including a plurality of dielectric layers that are stacked, first and second outer electrodes of opposite polarity disposed on an outer face of the capacitor body, first and second inner electrodes opposing each other inside the capacitor body to interpose the dielectric layer therebetween, the first inner electrode comprising an electrode plate forming capacitance and a lead extending from the electrode plate and connected to the first outer electrode, and the second inner electrode comprising an electrode plate forming capacitance and a lead extending from the electrode plate and connected to the second outer electrode. The leads are bent at least once and each have an overlap portion overlapping a lead of an adjacent inner electrode of opposite or like polarity when viewed along a stacked direction in which the plurality of dielectric layers are stacked. | 01-20-2011 |
20110056735 | MULTILAYER CHIP CAPACITOR AND CIRCUIT BOARD DEVICE - There are provided a multilayer chip capacitor and a circuit board device. The multilayer chip capacitor includes a capacitor body including a plurality of dielectric layers that are stacked, first and second outer electrodes formed on an outer surface of the capacitor body and having opposite polarity, first and second inner electrodes opposing each other, interleaved with the dielectric layers in the capacitor body, and each including an electrode plate forming capacitance and a lead extending from the electrode plate, the lead of the first inner electrode and the lead of the second electrode being respectively connected to the first and second outer electrodes, and third inner electrodes interposed between the first and second inner electrodes. At least one of the third inner electrodes adjacent to the first inner electrode includes a conductive pattern having the same shape as the lead of the first inner electrode and is connected to the first outer electrode. At least one of the third inner electrodes adjacent to the second inner electrode includes a conductive pattern having the same shape as the lead of the second inner electrode and is connected to the second outer electrode. | 03-10-2011 |
20110085277 | MULTILAYER CHIP CAPACITOR - A multilayer chip capacitor includes a capacitor body, a plurality of internal electrodes, and a plurality of external electrodes. The capacitor body is formed of a ceramic sintered product and has first and second side surfaces facing each other. The plurality of internal electrodes each of which has two leads extending to the first and second side surfaces of the capacitor body, respectively, are arranged such that the internal electrodes with one polarity and the internal electrodes with the other polarity are alternately stacked inside the capacitor body. The plurality of external electrodes are formed on the first and second side surfaces of the capacitor body along a stacked direction of the internal electrodes such that the external electrodes with one polarity and the external electrodes with the other polarity are alternately arranged on each of the first and second side surfaces, and are connected to the leads. | 04-14-2011 |
20110309895 | MULTILAYER FILTER - A multilayer filter includes: a ceramic body in which a plurality of dielectric layers are laminated; an external ground electrode provided on an outer surface of the ceramic body and connected to a ground; an inductor pattern electrode provided on at least one of the dielectric layers and having one end connected to the external ground electrode; a capacitor pattern electrode provided on at least one of the dielectric layers; an external terminal electrode electrically connecting the inductor pattern electrode to the capacitor pattern electrode and forming a closed loop for generating inductance through the external ground electrode; and a variable dielectric layer provided between the capacitor pattern electrode and the inductor pattern electrode and adjusting a magnitude of inductance generated by the inductor pattern electrode. | 12-22-2011 |
20110317327 | Multi-layered ceramic capacitor - There is provided a multi-layered ceramic capacitor with reduced internal resistance by forming internal electrode groups including internal electrodes having different lengths. The multi-layered ceramic capacitor of the present invention includes a sintered ceramic body part in which cover layers are provided on both surfaces thereof as an outermost layer and a plurality of ceramic layers are stacked therebetween, first and second external electrodes each formed on an outer surface of the sintered ceramic body part, a plurality of first and second internal electrode groups adjacent to each other in a stacking direction of the plurality of ceramic layers, having the ceramic layer therebetween, and including 2N or 2N+1 (N is an integer number larger than 1) internal electrodes electrically connected to the first and second external electrodes, wherein the 2N or 2N+1 (N is an integer number larger than 1) internal electrodes are disposed to face at least one internal electrode of other adjacent internal electrode groups. A length of each internal electrode has a pyramid shape. | 12-29-2011 |
20120327556 | MULTILAYER CERAMIC CAPACITOR - There is provided a multilayer ceramic capacitor, including: a multilayer body in which a plurality of dielectric layers are stacked in a thickness direction; and inner electrode layers formed within the multilayer body and including first and second inner electrodes disposed to be opposed to each other; wherein a ratio (MA | 12-27-2012 |
20130094119 | MULTILAYER CERAMIC CAPACITOR - There is provided a multilayer ceramic capacitor, including: a multilayer body in which a plurality of dielectric layers are stacked in a thickness direction; and inner electrode layers formed within the multilayer body and including first and second inner electrodes disposed to be opposed to each other; wherein a ratio (MA | 04-18-2013 |
20130155574 | MULTILAYER CERAMIC ELECTRONIC COMPONENT - A multilayer ceramic electronic component having high reliability by reducing equivalent series resistance (ESR) dispersion is provided. Connectivity between internal electrodes and external electrodes is secured by introducing dummy electrodes connected to first and second terminal electrodes, to third and fourth internal electrode layers. ESR dispersion of the multilayer ceramic electronic component is reduced to obtain high reliability. | 06-20-2013 |
20130169399 | THIN FILM-TYPE COIL COMPONENT AND METHOD OF FABRICATING THE SAME - There is provided a thin film-type coil component having a size equal to or less than 0806 and including a ceramic main body, external electrodes including a plurality of first external electrodes formed on one surface of the ceramic main body and a plurality of second external electrodes formed on the other surface facing one surface of the ceramic main body, and a coil unit including a plurality of coil layers stacked in the ceramic main body, thereby obtaining low direct current (DC) resistance. | 07-04-2013 |
20130319741 | LAMINATED CHIP ELECTRONIC COMPONENT, BOARD FOR MOUNTING THE SAME, AND PACKING UNIT THEREOF - A laminated chip electronic component includes: a ceramic body including internal electrodes and dielectric layers; external electrodes formed to cover both end portions of the ceramic body in a length direction; an active layer in which the internal electrodes are disposed in an opposing manner, while having the dielectric layers interposed therebetween, to form capacitance; and upper and lower cover layers formed on upper and lower portions of the active layer in a thickness direction, the lower cover layer having a thickness greater than that of the upper cover layer. | 12-05-2013 |
20130319742 | LAMINATED CHIP ELECTRONIC COMPONENT, BOARD FOR MOUNTING THE SAME, AND PACKING UNIT THEREOF - A laminated chip electronic component includes: a ceramic body including internal electrodes and dielectric layers; first and second external electrodes formed to cover both end portions of the ceramic body in a length direction; an active layer in which the internal electrodes are disposed in an opposing manner, while having the dielectric layers interposed therebetween, to form capacitance; upper and lower cover layers formed on upper and lower portions of the active layer in a thickness direction, the lower cover layer having a thickness greater than that of the upper cover layer; and additional electrode layers disposed irrespective of a formation of capacitance within the lower cover layer. | 12-05-2013 |
20130321981 | LAMINATED CHIP ELECTRONIC COMPONENT, BOARD FOR MOUNTING THE SAME, AND PACKING UNIT THEREOF - A laminated chip electronic component includes: a ceramic body including internal electrodes and dielectric layers; first and second external electrodes formed to cover both end portions of the ceramic body in a length direction; an active layer in which the internal electrodes are disposed in an opposing manner, while having the dielectric layers interposed therebetween, to form capacitance; upper and lower cover layers formed on upper and lower portions of the active layer in a thickness direction, the lower cover layer having a thickness greater than that of the upper cover layer; and additional electrode layers disposed irrespective of a formation of capacitance within the lower cover layer. | 12-05-2013 |
20140022041 | MAGNETIC MODULE FOR POWER INDUCTOR, POWER INDUCTOR, AND MANUFACTURING METHOD THEREOF - There is provided a power inductor including: a main body; and first and second external electrodes formed on both end portions of the main body, wherein the main body includes: upper and lower cover layers; at least one coil support layer having a through hole formed in a center thereof, at least one first recess portion formed in both lateral surfaces thereof and a plurality of second recess portions formed in respective corners thereof, and disposed between the upper and lower cover layers; and first and second coil layers formed on both surfaces of the coil support layer and having respective one ends thereof connected to the first and second external electrodes. | 01-23-2014 |
20140022042 | CHIP DEVICE, MULTI-LAYERED CHIP DEVICE AND METHOD OF PRODUCING THE SAME - There is provided a multi-layered chip device, including: a multi-layered body in which a plurality of inner magnetic layers are stacked; an inner electrode layer formed within the multi-layered body; an outer magnetic layer stacked on at least one of an upper surface and a lower surface of the multi-layered body; and external electrodes formed on outside of the multi-layered body and the outer magnetic layer and electrically connected to the inner electrode layer, wherein a length of the outer magnetic layer is shorter than the inner magnetic layer. | 01-23-2014 |
20140104027 | FILTER FOR REMOVING NOISE - The present invention discloses a filter for removing noise, which includes: a lower magnetic body; primary and secondary patterns spirally provided on the lower magnetic body in parallel to each other; an insulating layer for covering the primary and secondary patterns; and an upper magnetic body provided on the insulating layer, wherein the primary and secondary patterns are formed to have a ratio of vertical thickness (T) to horizontal width (W) of 0.27≦T/W≦2.4. According to the present invention, it is possible to improve performance and capacity by implementing high common-mode impedance in the same frequency and reduce manufacturing costs by simplifying structures and processes. | 04-17-2014 |
20140104750 | MULTI-LAYERED CERAMIC CAPACITOR - There is provided a multi-layered ceramic capacitor including: a ceramic body formed by multi-layering a plurality of dielectric layers; a plurality of first and second internal electrodes including at least one side exposed through edges of the dielectric layer; upper and lower cover layers formed at upper and lower portions of the ceramic body, respectively; first and second external electrodes formed to be spaced apart from each other at a lower surface of the lower cover layer; first and second connecting electrodes contacting outer peripheral surfaces of a plurality of second and first margin to connect exposed portions of the plurality of first and second internal electrodes, respectively; and an insulating side part formed so as to cover lateral surfaces at which the first and second internal electrodes are exposed. | 04-17-2014 |
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 |
20140144687 | MULTILAYERED CERAMIC CAPACITOR AND MOUNTING STRUCTURE OF CIRCUIT BOARD HAVING MULTILAYERED CERAMIC CAPACITOR MOUNTED THEREON - There is provided a multilayered ceramic capacitor, including a ceramic body, an active layer including a plurality of first and second internal electrodes alternately exposed through both end surfaces of the ceramic body while having the dielectric layer therebetween, to form capacitance; upper and lower cover layers formed above and below the active layer; first and second external electrodes covering both end surfaces of the ceramic body; a plurality of first and second dummy electrodes extended from the first and second external electrodes; and a plurality of piezoelectric members connecting the first internal electrode and the first dummy electrode or the second internal electrode and the second dummy electrode, inside the active layer, the piezoelectric members having a higher dielectric constant than the dielectric layer. | 05-29-2014 |
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 |
20140153156 | MULTILAYERED CERAMIC CAPACITOR AND BOARD FOR MOUNTING THE SAME - A multilayered ceramic capacitor includes a ceramic body in which a plurality of dielectric layers having an average thickness of 0.2 to 2.0 μm are stacked; an active layer including a plurality of first and second internal electrodes 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 thicker than the upper cover layer; and first and second external electrodes covering both end surfaces of the ceramic body, wherein the dielectric layer is configured of dielectric grains, and when an average thickness of the dielectric layer is defined as td, an average thickness of the first and second internal electrodes is defined as te, and an average grain size of the dielectric grains is defined as Da, Da≦td/3 and 0.2 μm06-05-2014 | |
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 |
20140168852 | 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; an upper cover layer; a lower cover layer formed having a thickness greater than that of the upper cover layer; and first and second external electrodes, wherein when an average of a length of an upper portion, a length of a middle portion, and a length of a lower portion of the ceramic body is I, and an average of values obtained by adding a length of an upper portion, a length of a middle portion, and a length of a lower portion of the first external electrode and a length of an upper portion, a length of a middle portion, and a length of a lower portion of the second external electrode is BW, BW/I satisfies a range of 0.105≦BW/I≦1.049. | 06-19-2014 |
20140174806 | 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 electrodes formed to be alternately exposed to both end surfaces of the ceramic body; an upper cover layer; a lower cover layer having a thickness greater than that of the upper cover layer; and external electrodes, wherein when a distance from an end portion of the lowermost internal electrode of the active layer to an end portion of the external electrode covering a portion of a lower surface of the ceramic body is E, the shortest distance from the end portion of the external electrode to the lowermost internal electrode of the active layer is T, and a margin of the ceramic body in the length direction is F, 1.2≦E/T and 30 μm≦F are satisfied. | 06-26-2014 |
20140182910 | MULTILAYER CERAMIC CAPACITOR AND MOUNTING BOARD THEREFOR - There is provided a multilayer ceramic capacitor including: a ceramic body having dielectric layers laminated in a width direction thereof; an active region in which capacitance is formed, by including first and second internal electrodes alternately exposed to end surfaces of the ceramic body while having the dielectric layer interposed therebetween; an upper margin part prepared above the active region; a lower margin part prepared below the active region on the dielectric layer and being thicker than the upper margin part; and first and second external electrodes, wherein, when half of thickness of the ceramic body is denoted by A, thickness of the lower margin part is denoted by B, half of thickness of the active region is denoted by C, and thickness of the upper margin part is denoted by D, | 07-03-2014 |
20140185184 | MULTILAYER CERAMIC CAPACITOR AND MOUNTING BOARD THEREFOR - A multilayer ceramic capacitor includes: a ceramic body having dielectric layers laminated in a thickness direction, the dielectric layers having a greater width than a length; an active layer in which capacitance is formed, by including first and second internal electrodes alternately exposed to end surfaces of the ceramic body opposite to each other in a length direction with the dielectric layer interposed therebetween; upper cover layer; lower cover layers being thicker than the upper cover layer; and first and second external electrodes, wherein, when half of thickness of the ceramic body is denoted by A, thickness of the lower cover layer is denoted by B, half of thickness of the active layer is denoted by C, and thickness of the upper cover layer is denoted by D, 1.042≦(B+C)/A≦1.537 is satisfied. | 07-03-2014 |
20140196937 | MULTI-LAYERED CAPACITOR AND CIRCUIT BOARD MOUNTED WITH MULTI-LAYERED CAPACITOR - Disclosed herein is a multi-layered capacitor, including: an element formed by alternately multi-layering a dielectric layer and an internal electrode; and external terminals disposed at both ends of the element, wherein the dielectric layer disposed at an upper end U and a lower end L of the element is formed of a paraelectric material and the dielectric layer disposed at a central part C of the element is formed of a ferroelectric material. | 07-17-2014 |
20140209362 | MULTILAYER CERAMIC CAPACITOR AND MOUNTING BOARD HAVING MULTILAYER CERAMIC CAPACITOR MOUNTED THEREON - A multilayer ceramic capacitor includes: a ceramic body having laminated dielectric layers having an average thickness of 0.2-2.0 μm; an active layer including first and second internal electrodes alternately exposed through end surfaces of the ceramic body having the dielectric layer interposed therebetween and contributing to capacitance formation; upper and lower cover layers respectively formed above and below the active layer, the lower cover layer being thicker than the upper cover layer; first and second external electrodes covering the end surfaces of the ceramic body, wherein a bottommost internal electrode adjacent to the lower cover layer has an oxide layer formed on at least one of top and bottom surfaces thereof, and when lengths and thicknesses of the bottommost internal electrode and the oxide layer are denoted by ‘L | 07-31-2014 |
20140290998 | MULTILAYER CERAMIC CAPACITOR AND MOUNTING BOARD FOR MULTILAYER CERAMIC CAPACITOR - There is provided multilayer ceramic capacitor including, a ceramic body including a plurality of dielectric layers laminated therein, 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, and having capacitance formed therein, an upper cover layer formed on an upper portion of the active layer, a lower cover layer formed on a lower portion of the active layer and having a thickness greater than that of the upper cover layer, first and second dummy electrode terminals provided in the lower cover layer to be alternately exposed through both end surfaces of the lower cover layer, and first and second external electrodes covering the both end surfaces of the ceramic body. | 10-02-2014 |
20140368967 | MULTILAYER CERAMIC CAPACITOR AND BOARD HAVING THE SAME MOUNTED THEREON - There is provided a multilayer ceramic capacitor, including: a ceramic body; an active layer including a plurality of first and second internal electrodes; upper and lower cover layers; first and second external electrodes, wherein 0.75×W≦T≦1.25×W, 0.081≦b/(a×(W−b))≦2.267, and 0.267≦c/L≦0.940 are satisfied, where T denotes a thickness of the ceramic body, a denotes a thickness of the lower cover layer, b denotes a width of the first or second internal electrode, L denotes a length of the ceramic body, c denotes a distance between outer edges of the first and second external electrodes, and d denotes a distance between inner edges of the first and second external electrodes. | 12-18-2014 |
20150014035 | MULTILAYER CERAMIC CAPACITOR AND MOUNTING CIRCUIT BOARD THEREFOR - There is provided a multilayer ceramic capacitor includes a ceramic body including dielectric layers; first and second external electrodes formed on end surfaces of the ceramic body; first and second terminal electrodes formed on side surfaces of the ceramic body; an active layer including a first internal electrode simultaneously connected to the first terminal electrode and the first external electrode and a second internal electrode simultaneously connected to the second terminal electrode and the second external electrode; upper and lower cover layers formed above and below the active layer; and third and fourth internal electrodes disposed to face each other on a single dielectric layer of the upper or lower cover layer and connected to the first and second terminal electrodes, respectively. | 01-15-2015 |
20150014037 | MULTILAYER CERAMIC CAPACITOR AND BOARD FOR MOUNTING THE SAME - There is provided a multilayer ceramic capacitor including a ceramic body including a plurality of dielectric layers stacked in a width direction, a plurality of first and second internal electrodes, first and second lead parts having at least one space part and extended from the first internal electrode to be exposed through the bottom surface of the ceramic body and be spaced apart from each other in a length direction, a third lead part positioned between the first and second lead parts and extended from the second internal electrode, first and second external electrodes formed on the bottom surface of the ceramic body and electrically connected to the first and second lead parts, respectively, and a third external electrode formed between the first and second external electrodes and electrically connected to the third lead part. | 01-15-2015 |
20150014038 | MULTILAYER CERAMIC CAPACITOR AND MOUNTING CIRCUIT BOARD THEREFOR - There is provided a multilayer ceramic capacitor including: a ceramic body; first and second internal electrodes disposed to face each other within a ceramic body, and having respective lead portions exposed to an upper surface of the ceramic body; first and second external electrodes formed on the upper surface of the ceramic body and connected to the lead portions, respectively; and first and second terminal frames each including a vertical portion facing end surfaces of the ceramic body and upper and lower horizontal portions facing upper and lower surfaces of the ceramic body, respectively, wherein the upper horizontal portions are connected to the first and second external electrodes, respectively, and adhesive layers are provided between the upper horizontal portions and the first and second external electrodes, respectively. | 01-15-2015 |
20150022945 | MULTILAYER CERAMIC CAPACITOR, BOARD HAVING THE SAME MOUNTED THEREON, AND METHOD OF MANUFACTURING THE SAME - There is provided a multilayer ceramic capacitor including: a ceramic body including a plurality of dielectric layers; a plurality of first and second internal electrodes disposed in the ceramic body to be alternately exposed to the third and fourth end surfaces, having the dielectric layers interposed therebetween; and first and second external electrodes electrically connected to the first and second internal electrodes, wherein the first and second external electrodes include: first and second conductive glass layers; first and second conductive resin layers containing copper and an epoxy; and first and second insulating layers. | 01-22-2015 |
20150041195 | ELECTRONIC CHIP COMPONENT AND BOARD HAVING THE SAME MOUNTED THEREON - An electronic chip component includes a ceramic body; external electrodes formed on end portions of the ceramic body; an interposer supporting the ceramic body and electrically connected to the external electrodes, wherein the interposer includes a first electrode pad formed on a surface thereof and having the external electrodes disposed thereon, a second electrode pad formed on an opposing surface thereof, and a connection electrode pad connecting the first electrode pad to the second electrode pad and formed on a lateral surface between the surface and the opposing surface of the interposer, the first electrode pad is divided into first and second electrode patterns disposed at ends of the interposer based on a space formed therebetween, a non-electrode margin portion is formed between ends of the first electrode pad and ends of the interposer, and the connection electrode pad is formed on the lateral surface of the interposer. | 02-12-2015 |
20150047887 | MOUNTING CIRCUIT BOARD OF MULTILAYER CERAMIC CAPACITOR - There is provided a mounting circuit board of a multilayer ceramic capacitor including a multilayer 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 alternately exposed to both end surfaces of the ceramic body, having the dielectric layer therebetween, and first and second external electrodes extended from both end surfaces of the ceramic body to a portion of a lower surface thereof; and a printed circuit board having first and second electrode pads so that the first and second external electrodes are mounted thereon, wherein the first and second electrode pads are disposed in positions diagonally opposed to each other, based on the ceramic body. | 02-19-2015 |