Abstract: There are provided a multilayer ceramic electronic component capable of preventing problems occurring due to a difference in sintering behavior between ceramic layers and internal electrodes and having excellent reliability, and a manufacturing method thereof. The multilayer ceramic electronic component may include a ceramic body including a plurality of ceramic layers; and internal electrodes disposed in the ceramic body. The internal electrodes may contain a conductive ceramic oxide.

Abstract: A multilayer ceramic electronic component may include a ceramic body including an active part in which dielectric layers and internal electrodes are alternately disposed, an upper cover part disposed on the active part, and a lower cover part disposed below the active part, a buffer layer disposed in at least one of the upper and lower cover parts, and external electrodes disposed on end surfaces of the ceramic body. The buffer layer may contain a conductive metal in a content of 1 to 40 vol %.

Abstract: A multilayer ceramic electronic component may include: a ceramic body including an active part in which dielectric layers and internal electrodes are alternately disposed, an upper cover part disposed on an upper portion of the active part, and a lower cover part disposed on a lower portion thereof; a first dummy electrode disposed between a central portion of the upper or lower cover part in a length direction and one end surface of the cover part in the length direction; and a second dummy electrode disposed between the central portion of the upper or lower cover part in the length direction and the other end surface of the cover part in the length direction, and spaced apart from the first dummy electrode.

Abstract: A multilayer ceramic electronic component may include: a plurality of active parts including a plurality of dielectric layers and a plurality of internal electrodes that are alternately disposed, the plurality of active parts being stacked; an interlayer margin part disposed between the active parts adjacent to each other and containing magnesium; an upper cover part disposed on an upper portion of an uppermost active part among the plurality of active parts and containing magnesium; and a lower cover part disposed on a lower portion of a lowermost active part among the plurality of active parts and containing magnesium, wherein the upper and lower cover parts and the interlayer margin part include magnesium-nickel oxide layers formed on interfaces thereof adjacent to the active parts.

Abstract: A multilayer ceramic electronic component may include: a ceramic body including a plurality of dielectric layers; internal electrodes disposed in the ceramic body and having one ends exposed to outer surfaces of the ceramic body; and external electrodes disposed on the outer surfaces of the ceramic body to be connected to the respective one ends of the internal electrodes and containing a conductive metal and a conductive ceramic powder.

Abstract: There is provided a multilayer ceramic electronic component, including: a ceramic body including dielectric layers; and first and second inner electrodes disposed to face each other with the dielectric layer interposed therebetween within the ceramic body, the first and second inner electrodes being alternately laminated with a difference in printing widths therebetween, wherein a difference ratio between the printing widths of the first and second inner electrodes is 20 to 80%. According to embodiments of the present invention, a multilayer ceramic electronic component having excellent reliability and withstand voltage characteristics may be realized, by reducing the occurrence of cracking through a reduction in the influence of step height while securing high capacitance.

Abstract: There is provided a multilayer ceramic electronic component, including: a ceramic sintered body having a plurality of dielectric layers laminated therein; first and second capacitance portions being formed on surfaces of the dielectric layers; first and second lead-out portions being respectively extended from both sides of the first and second capacitance portions to be respectively exposed through both side surfaces of the ceramic sintered body and spaced apart from each other; sealing parts enclosing both end portions and corner portions of the ceramic sintered body; and first and second external electrodes enclosing the sealing parts and formed on both end portions of the ceramic sintered body to be electrically connected to the first and second lead-out portions, respectively.

Abstract: A multilayered ceramic electronic component includes: a ceramic element having a plurality of dielectric layers laminated therein; first inner electrodes formed on the dielectric layers disposed in upper and lower portions in the ceramic element, the width of a portion of each of the first inner electrodes exposed from one end face of the ceramic element being less than that of a portion thereof disposed within the ceramic element; and second inner electrodes formed on the dielectric layers disposed in the middle portion in the ceramic element, the width of a portion of each of the second inner electrodes exposed from one end face of the ceramic element being equal to that of a portion thereof disposed within the ceramic element.

Abstract: A multilayered ceramic electronic component includes: a ceramic element having a plurality of dielectric layers laminated therein; first inner electrodes formed on the dielectric layers disposed in upper and lower portions in the ceramic element, the width of a portion of each of the first inner electrodes exposed from one end face of the ceramic element being less than that of a portion thereof disposed within the ceramic element; and second inner electrodes formed on the dielectric layers disposed in the middle portion in the ceramic element, the width of a portion of each of the second inner electrodes exposed from one end face of the ceramic element being equal to that of a portion thereof disposed within the ceramic element.

Abstract: 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.

Abstract: There is provided a multilayer ceramic electronic component, including: a ceramic sintered body having a plurality of dielectric layers laminated therein; first and second capacitance portions being formed on surfaces of the dielectric layers; first and second lead-out portions being respectively extended from both sides of the first and second capacitance portions to be respectively exposed through both side surfaces of the ceramic sintered body and spaced apart from each other; sealing parts enclosing both end portions and corner portions of the ceramic sintered body; and first and second external electrodes enclosing the sealing parts and formed on both end portions of the ceramic sintered body to be electrically connected to the first and second lead-out portions, respectively.

Abstract: A multilayered ceramic electronic component includes: a ceramic element having a plurality of dielectric layers laminated therein; first inner electrodes formed on the dielectric layers disposed in upper and lower portions in the ceramic element, the width of a portion of each of the first inner electrodes exposed from one end face of the ceramic element being less than that of a portion thereof disposed within the ceramic element; and second inner electrodes formed on the dielectric layers disposed in the middle portion in the ceramic element, the width of a portion of each of the second inner electrodes exposed from one end face of the ceramic element being equal to that of a portion thereof disposed within the ceramic element.

Abstract: There is provided a 1005-sized or smaller multilayer ceramic electronic part, including: a ceramic body having internal electrodes having a directivity perpendicular to a printed circuit board; and external electrodes formed on both end portions of the ceramic body and electrically connected to the internal electrodes each including an active area part and a lead part, the active area parts facing each other to contribute to forming capacitance, and the lead part having a width smaller than that of the active area part, and wherein when a width of the active area part is defined as WLa, a width of the lead part on one end portion of the ceramic body connected to the external electrodes is defined as WL1, and a bottleneck rate ? of the lead part is defined as 1?WL1/WLa, the bottleneck rate ? of the lead part satisfies a range of 0<??0.12.

Abstract: There is provided a multilayer ceramic electronic component, including: a ceramic body including dielectric layers; and first and second inner electrodes disposed to face each other with the dielectric layer interposed therebetween within the ceramic body, the first and second inner electrodes being alternately laminated with a difference in printing widths therebetween, wherein a difference ratio between the printing widths of the first and second inner electrodes is 20 to 80%. According to embodiments of the present invention, a multilayer ceramic electronic component having excellent reliability and withstand voltage characteristics may be realized, by reducing the occurrence of cracking through a reduction in the influence of step height while securing high capacitance.

Abstract: A multilayered ceramic electronic component includes: a ceramic element having a plurality of dielectric layers laminated therein; first inner electrodes formed on the dielectric layers disposed in upper and lower portions in the ceramic element, the width of a portion of each of the first inner electrodes exposed from one end face of the ceramic element being less than that of a portion thereof disposed within the ceramic element; and second inner electrodes formed on the dielectric layers disposed in the middle portion in the ceramic element, the width of a portion of each of the second inner electrodes exposed from one end face of the ceramic element being equal to that of a portion thereof disposed within the ceramic element.

Abstract: There are provided a multilayer ceramic electronic component and a manufacturing method thereof. The multilayer ceramic electronic component includes: a body part including internal electrodes and dielectric layers and having at least one connection surface to which a portion of the internal electrodes are exposed; external electrodes coupled to the connection surface to thereby be electrically connected to the internal electrodes; and protective layers provided on the connection surface so as to shield at least portions of the internal electrodes exposed at the connection surface, wherein a width of an exposed part of the internal electrode shielded by the protective layer has 0.8 to 0.9 of that of an overall width of the internal electrode.

Abstract: A method and apparatus are provided for measuring pressure in a combustion chamber of an internal combustion engine is provided with a non-intrusive, metal-embedded fiber optic pressure sensor. A Fabry-Perot Interferometer is arranged in a terminated, single mode fiber to function as a pressure gauge. The fiber Fabry-Perot Interferometer (FFPI) is embedded in a metal part which is disposed in the cylinder head of the engine. The metal part and FFPI experience a longitudinal compression in response to the pressure in the chamber. In another aspect of the invention, a non-intrusive fiber containing the FFPI is embedded in a hole drilled or otherwise provided in the metal housing of a spark plug. The spark plug is threaded into the cylinder head of an internal combustion engine and is directly exposed to the combustion chamber pressure. Consequently, the spark plug housing and FFPI experience a longitudinal strain in response to the pressure in the chamber.

Abstract: A method and apparatus is provided for measuring pressure in a pressure containing vessel with a non-intrusive, metal-embedded fiber optic pressure sensor. The pressure containing vessel may, for example, be the combustion chamber of an internal combustion engine. A Fabry-Perot Interferometer is arranged in a terminated, single mode fiber to function as a strain gauge. The fiber Fabry-Perot Interferometer (FFPI) is embedded in a metal part which may be disposed in a wall of the pressure containing vessel. The metal part and FFPI experience a longitudinal strain in response to the pressure in the vessel. In another aspect of the invention, a non-intrusive fiber containing the FFPI may be embedded along the axis of a metal bolt. The bolt may be used to attach a part or structure, which is directly exposed to the pressure, to the wall of the vessel. Consequently, the bolt and FFPI experience a longitudinal strain in response to the pressure on the part or structure.

Abstract: Optical fibers are embedded in metal structures and components by using a pair of stress-relieving tubes at the air-metal interface of the optical fiber.