Abstract: A multilayer common mode filter of the present disclosure is a filter comprising a plurality of coils configuring mutually different channels, wherein a plurality of coil patterns, and a plurality of via conductors connecting the coil patterns are provided inside a coil stack, and the plurality of via conductors are arranged, on a floor plan of the coil stack, in positions where same do not overlap with each other.

Abstract: A dielectric composition comprising a barium titanate-based base material major component and a minor component is disclosed. The dielectric composition comprises at least one minor component from among: a first minor component, which can be oxides or carbonates of Yb; a second minor component, which can be oxides including Ba and Zr; a third minor component, which can be oxides or carbonates of Y; a fourth minor component, which can be oxides or carbonates of Mg; a fifth minor component, which can be oxides or carbonates of V and Mn; and a sixth minor component, which can be oxides or carbonates of Si, wherein the at least one minor component can comprise the first minor component. The present invention satisfies X8R properties specified by EIA standards.

Abstract: A dielectric composition comprising a barium titanate-based base material major component and minor component is disclosed. The dielectric composition comprises: a first minor component which can be an oxide or carbonate of Yb; a second minor component which can be an oxide or carbonate of Dy and Y; a third minor component which can be an oxide containing Ba and Zr; a fourth minor component which can be an oxide or carbonate of Mg; a fifth minor component which can be an oxide or carbonate of V, Mn and Cr; and a sixth minor component which can be an oxide or carbonate of Si, wherein the at least one minor component can include the first minor component, the second minor component and the third minor component, and satisfies X7R characteristics specified in the EIA standard.

Abstract: The present disclosure relates to a loop-shaped antenna pattern mounted on a mobile terminal, etc. and used for wireless power transmission/reception or communication, and a method for manufacturing same, wherein through holes are formed in a metal sheet through a double etching process, magnetic filler is applied to the through holes to allow the line spacing (or line width) of the antenna pattern to be precisely formed, and the magnetic filler is evenly applied between the patterns, and thus shielding performance can be improved compared to a conventional antenna pattern in which a shielding sheet is disposed on the rear surface thereof.

Abstract: Disclosed is a combo antenna module and a method for manufacturing the same, in which a combo antenna of a low frequency band and an antenna of a high frequency band are integrated to minimize the mounting space and thickness while maintaining the same level of antenna performance. The disclosed combo antenna module comprises: a first antenna in which a first antenna pattern having a first operation frequency is disposed, and an attachment area not overlapping with the first antenna pattern is defined; and a second antenna which is disposed in the attachment area and has a second antenna pattern having a second operation frequency higher than the first operation frequency and disposed on the upper surface thereof, wherein the dielectric loss value of the second antenna is lower than the dielectric loss value of the first antenna.

Abstract: The present disclosure corresponds to a technology relating to: an antenna module wherein a first antenna substrate is configured such that a hole is formed through an area overlapping both ends of a radiation coil to expose a lower surface of the both ends of the radiation coil, and a second antenna substrate is disposed on the lower surface of the first antenna substrate to minimize increasing thickness and prevent an antenna module from being broken when the module is mounted to a portable terminal; and a method for manufacturing same.

Abstract: This disclosure presents a multiband patch antenna which resonates in a second frequency band as well as in a first frequency band, i.e., a GNSS frequency band, by adding an antenna pin to a patch antenna. The presented multiband patch antenna includes a base substrate, an upper patch disposed on an upper surface of the base substrate, a lower patch disposed on a lower surface of the base substrate, a feed pin which passes through the base substrate, the upper patch, and the lower patch, and an antenna pin which is spaced apart from the feed pin and passes through the base substrate and the lower patch.

Abstract: The present invention relates to a coupler, which includes: a coupler body having an external ground formed on an outer surface thereof; a coupler line positioned inside the coupler body and electrically connected to a port electrode for signal connection with the outside; an internal ground arranged between the external ground and the coupler line and electrically connected to the external ground; and a port line having one end electrically connected to the port electrode and the other end electrically connected to the coupler line.

Abstract: The present disclosure presents a portable terminal which has antennas connected to first and second transmission ends of an NFC chipset, respectively, to enable short-range communication from the top and the back of the portable terminal. The presented portable terminal comprises: the NFC chipset having the first transmission end and the second transmission end; a first antenna connected to the first transmission end and having a region disposed parallel to the top of the portable terminal; and a second antenna connected to the second transmission end and having a loop disposed parallel to the back of the portable terminal.

Abstract: A ceramic capacitor of the present invention comprises: a ceramic body 100 in which a plurality of first dielectric layers 110 are stacked; and first and second bottom electrodes 211 and 212 arranged on both sides of the bottom surface of the ceramic body 100, wherein the plurality of first dielectric layers 110 are formed of only dielectric. The present invention has an advantage of providing a multilayer ceramic capacitor having a low capacity structure to have a high reaction speed while operating at a high frequency.

Abstract: The present disclosure relates to a portable terminal that connects a single ended antenna and a loop antenna to a communication chipset to enable short-range communication from the top and back of the portable terminal, thereby improving the recognition range and distance for short-range communication. The portable terminal having the top and the back comprises: a communication chipset having a first transmitting end and a second transmitting end; a first antenna having a first end connected to a first transmitting end and a second end connected to a second transmitting end; a second antenna having an area arranged parallel to the top of the portable terminal; and a matching module disposed between the first antenna and the second antenna and connected to the first antenna and the second antenna.

Abstract: Disclosed is a dielectric composition including a barium titanate-based base material major component and a minor component. The dielectric composition includes any one of oxides and carbonates of at least Yb element among oxides and carbonates of Mg, Si, V, Mn and Cr, Ba and Yb elements. A dielectric material formed by sintering the dielectric composition satisfies the X8R properties specified by the EIA specification.

Abstract: Disclosed is a dielectric composition comprising a barium titanate-based base material major component and a minor component. The dielectric composition includes any one of oxides and carbonates of at least one of Y and Dy elements among oxides and carbonates of Mg, Si, V, Mn and Cr, Ba, Y and Dy elements. A stacked ceramic capacitor formed by sintering the dielectric composition satisfies the X7R properties specified by the EIA specification and has high permittivity.

Abstract: A dielectric composition for a multilayered ceramic capacitor is provided, the multilayered ceramic capacitor includes the same, and a manufacturing method for the capacitor is also provided. The dielectric composition for a multilayered ceramic capacitor includes a barium-based compound, gadolinium oxide (Gd2O3), manganese oxide (Mn3O4), and magnesium carbonate (MgCO3). Accordingly, the dielectric composition is excellent in performance as well as reliability.

Abstract: Provided is a ceramic capacitor capable of reducing the influence of deviation even when internal electrodes are misaligned. The disclosed ceramic capacitor comprises: a ceramic body; a first internal electrode disposed inside the ceramic body; and a second internal electrode disposed inside the ceramic body and surrounding the circumference of the first internal electrode while being spaced apart from the first internal electrode on the same horizontal plane as the first internal electrode.

Abstract: The present invention relates to a ceramic capacitor comprising: a plurality of dielectric layers; a ceramic body having front and rear surfaces facing each other, upper and lower surfaces facing each other, and both end surfaces facing each other; at least a pair of inner electrodes arranged to be spaced a predetermined interval apart inside the ceramic body so that each end thereof is exposed to either end surface of the ceramic body; and outer electrodes electrically connected to the inner electrodes, wherein the outer electrode includes electrode layers formed at both end surfaces of the ceramic body, and a conductive resin layer for covering a part of the electrode layer and encompassing the lower edge of the ceramic body. In the present invention, an external electrode having improved shock absorption efficiency is applied so that the occurrence of cracks can be prevented.

Abstract: A multilayer common mode filter of the present disclosure has a filter stack comprising: a coil stack which includes a plurality of coils forming different channels; and a stack which is stacked underneath the coil stack and has a capacitor pattern, a floating pattern, an inductor pattern, and a ground pattern, wherein resonant frequency characteristics may vary according to the inductor pattern.

Abstract: The present disclosure is a technique for improving the stability and reliability of an antenna operation against external shock and vibration, and proposes an electrical member contact device including a gasket and a frame each having conductivity and configured so that the frame fastened to a fastening hole is bent to face the fastening hole and is coupled to the gasket, and an antenna module comprising same.

Abstract: Provided are: a feed pin in which a step is formed on a head to prevent cracks from forming in a soldering layer; and a patch antenna comprising the feed pin. The provided feed pin includes: a feed head made of a conductive material and in the shape of a plate having a first area; a stepped plate made of a conductive material and in the shape of a plate having a second area, the stepped plate being connected to the lower surface of the feed head; and a feed bar made of a conductive material and in the shape of a polyhedron, the feed bar being connected to the lower surface of the stepped plate.

Abstract: A stator having a bus bar structure that enhances assembly productivity and durability by adopting the bus bar structure comprises: a division type stator core in which a plurality of split cores are assembled in an annular shape; upper and lower insulators surrounding the outer circumference of teeth of the split cores; a stator coil composed of a plurality of core groups continuously wound onto three teeth for each phase; a plurality of bus bar brackets coupled to the insulators so as to bind two split cores; U-phase, W-phase, and V-phase bus bars on which a connection terminal to which a start terminal of each core group is connected is protruded; a common electrode bus bar on which a connection terminal to which an end terminal of each core group is connected is protruded; and a stator support that insulates between coils so as to integrate the plurality of split cores.