Abstract: Proposed is an antenna module for a small device, wherein the antenna module is expanded to a ground area through a metal plate, a metal wire, or a connector FPCB and the like to improve antenna gain. The proposed antenna module for a small device is provided with an antenna, and comprises: a circuit board mounted inside a housing of a small device; and a ground expansion member which is mounted inside the housing, comprises one of the metal plate, the metal wire, or the connector FPCB, and has a first end connected to a ground line of the antenna.

Abstract: The present disclosure relates to an adhesive transfer film for bonding a semiconductor chip and a spacer to a substrate and a method for manufacturing a power module substrate by using same, the adhesive transfer film being obtained by manufacturing an Ag sintering paste in the form of a film. The present disclosure can reduce the process time by minimizing a sintering process, and can reduce equipment investment cost.

Abstract: Disclosed is a voice processing apparatus for processing voices of a plurality of speakers. The voice processing apparatus comprises: a microphone configured to generate voice signals in response to the voices of the plurality of speakers; a communication circuit configured to transmit and receive data; memory; and a processor, wherein the processor, on the basis of instructions stored in the memory, performs sound source separation of the voice signals on the basis of sound source positions of each of the voices, generates separate voice signals associated with each of the voices according to the sound source separation, determines output modes corresponding to the sound source positions of each of the voices, and uses the communication circuit to output the separate voice signals according to the determined output modes.

Abstract: The present invention suggests a radar antenna in which a rounded edge surface is formed in a receiving hole formed by an antenna body and a shielding frame. The suggested radar antenna comprises: an antenna body having a plurality of first slots formed on a first surface thereof; and a shielding frame through which reception holes for receiving the plurality of first slots are formed, the reception holes being arranged on the first surface of the antenna body to receive the plurality of first slots, wherein a corner at which the inner wall surface of the shielding frame is connected to the first surface of the antenna body is formed to have a round structure.

Abstract: Disclosed is a waveguide having a first vertical transfer path formed at a lower plate coupled to a signal processing substrate, and having a horizontal transfer path and a second vertical transfer that are formed at an upper plate coupled to a radar antenna, and thus minimizing tolerance during assembly. The disclosed waveguide is constructed by stacking the upper plate on the upper surface of the lower plate, a first vertical through-hole is formed in the lower plate, a second vertical through-hole and a horizontal groove are formed in the upper plate, and the horizontal groove connects the first vertical through-hole and the second vertical through-hole to form a radio wave transfer path.

Abstract: According to an embodiment of the present invention: in order to track an accurate location of an asset, an asset location, which is a location of an asset terminal installed in the asset to be tracked, is measured; a relative location of the asset terminal, which is based on a reference terminal, is measured through communication between the reference terminal and the asset terminal; and the asset location is corrected using the relative location. Based on this, the present invention minimizes a measurement error of an asset location, compared to a scheme of measuring an asset location by using only GPS communication.

Abstract: The present invention relates to a power module comprising: a lower ceramic substrate (200); an upper ceramic substrate (300) which is disposed above the lower ceramic substrate (200) and has a semiconductor chip (G) mounted on the lower surface thereof; a PCB substrate (400) disposed above the upper ceramic substrate (300); and a connection pin (800) which extends through through holes (320 and 420) formed in the upper ceramic substrate (300) and the PCB substrate (400), and vertically connects electrode patterns (a, b, c, and d) formed on the upper ceramic substrate (300) and the PCB substrate (400). The present invention provides a shortened electrical connection distance between the upper ceramic substrate and the PCB substrate, and thus can minimize a current path and enhance the moving efficiency of a high-speed current.

Abstract: The present invention relates to a power module and a method for manufacturing same, the power module including: a lower ceramic substrate; an upper ceramic substrate which is disposed spaced apart from the upper portion of the lower ceramic substrate, and on the lower surface of which a semiconductor chip is mounted; spacers each having one end bonded to the lower ceramic substrate and the other end bonded to the upper ceramic substrate; first bonding layers each bonding the one end of each spacer to the lower ceramic substrate; and second bonding layers each bonding the other end of each spacer to the upper ceramic substrate. The present invention maintains a constant distance between the lower ceramic substrate and the upper ceramic substrate by having the spacers arranged therebetween, and thus is advantageous in that the semiconductor chip can be protected and heat dissipation efficiency can be increased.

Abstract: An electrostatic chuck is provided. Implemented according to an embodiment of the present invention is an electrostatic chuck comprising: a silicon nitride sintered body; a surface modification layer covering at least a portion of the external surface of the silicon nitride sintered body and having corrosion resistance and plasma resistance; and an electrostatic electrode laid inside the silicon nitride sintered body. Therefore, the electrostatic chuck includes a ceramic sintered body of silicon nitride, and thus has excellent plasma resistance, chemical resistance, and thermal shock resistance while exhibiting an equivalent or similar level of heat dissipation performance compared to ceramic sintered bodies of aluminum nitride that have been conventionally widely used, so that the electrostatic chuck can be widely used in semiconductor processes.

Abstract: Disclosed is an antenna performance test system for testing the performance of UWB and BLE antennas by reflecting a loss of a cable without changing test conditions. The disclosed antenna performance test system comprises a tester, which: responds to a first test mode setting signal so as to output, to a first antenna, a first test signal (a UWB band signal), and then generate a UWB communication performance measurement value based on a first response signal received from the first antenna and a second antenna with respect to the first test signal; and responds to a second test mode setting signal so as to output, to the first antenna, a second test signal(a BLE band signal), and then generate a BLE communication performance measurement value based on a second response signal received from the first antenna with respect to the second test signal.

Abstract: Disclosed is a radar antenna having an antenna and a waveguide that are coupled using a jig on which a plurality of alignment pins are arranged, and thus minimizing tolerance during assembly. The disclosed radar antenna comprises: an alignment jig having a plurality of alignment pins; a circuit board having a plurality of first alignment holes through which the plurality of alignment pins penetrate, and being stacked on the upper surface of the alignment jig; a waveguide having a plurality of second alignment holes through which the plurality of alignment pins penetrate, and being stacked on the upper surface of the circuit board; and an antenna having a plurality of third alignment holes through which the plurality of alignment pins penetrate, and being stacked on the upper surface of the waveguide.

Abstract: Proposed is a radar antenna to which detachable modules including one or more antennas are coupled. The proposed radar antenna comprises: a first detachable module in which one or more antennas are formed; and a second detachable module in which one or more antennas are formed, wherein a first side surface of the second detachable module is bonded to a first side surface of the first detachable module.

Abstract: Provided is a wireless ear module having a UWB antenna to easily obtain location information of a wireless ear module case and ear modules. The wireless ear module comprises: ear modules for receiving and playing a sound source signal from an electronic device; and a case comprising an upper housing and a lower housing which are rotatably coupled, and for storing the ear modules. The ear modules and/or the case transmit a location positioning signal, and the location positioning signal is a signal for sensing the distance and direction from the electronic device to the ear modules or the case.

Abstract: Disclosed is a voice processing device. The voice processing device comprises a memory and a processor configured to perform sound source isolation on voice signals associated with the voices of speakers on the basis of the sound source positions of the respective voices. The processor is configured to: generate sound source position information indicating the sound source positions of the respective voices using the voice signals associated with the voices; generate isolated voice signals associated with the voices of the respective speakers from the voice signals on the basis of the sound source position information; and match the isolated voice signals and the voice source position information and store the same in the memory.

Abstract: The present invention provides a plurality of floor-type pedestrian signals, in which a control signal and voltage control power are applied, the voltage control power is converted into constant current power in each floor-type pedestrian signal, and the constant current power is applied to an LED array according to the control signal. Through this, the present invention prevents the brightness of the floor-type pedestrian signal from lowering as the distance from a controller increases, and maintains a constant lighting time of the plurality of floor-type pedestrian signals, so that even if the width of a crosswalk increases, the visibility of the floor-type pedestrian signal is kept constant.

Abstract: Disclosed is a radar antenna which has a shielding space corresponding to each antenna of an antenna body by using an accommodation hole of a shielding member to prevent mutual coupling between antennas. The disclosed radar antenna comprises an antenna body which has a first surface and a second surface and in which a plurality first slot groups are formed to be spaced apart from each other on the first surface, and a shielding member which is stacked on the first surface of the antenna body and in which a plurality of accommodation holes are formed to respectively overlap the plurality of first slot groups.

Abstract: Provided is a magnetic field shielding sheet. A magnetic field shielding sheet according to an exemplary embodiment of the present invention is a magnetic field shielding sheet for an antenna, which includes a hollow portion having a predetermined area in a central portion thereof and a pattern portion configured to surround the hollow portion, includes a sheet body formed as a ribbon sheet including at least one selected from an amorphous alloy and a nanocrystalline alloy, a plurality of through-portions formed in a region of the sheet body corresponding to the pattern portion, and a plurality of cracks formed to extend from the through-portions.

Abstract: A voice processing device is disclosed. The voice processing device comprises: a voice processing circuit configured to generate an isolated voice signal associated with respective voices spoken at a plurality of sound source locations in a vehicle by isolating, and output an interpretation result for the respective voices on the basis of the isolated voice signal; a memory configured to store source language information indicating a source language and target language information indicating a target language in order to interpret the voice associated with the isolation voice signal; and a communication circuit configured to output the interpretation result, wherein the voice processing circuit generates the interpretation result in which the language of the voice corresponding to the isolated voice signal is interpreted from the source language into the target language.

Abstract: The present invention discloses a flexible cable jumper structure including a cover layer, a first metal layer stacked on the cover layer and having a circuit pattern formed thereon, a first dielectric layer stacked on the first metal layer, a first adhesive layer applied on the first dielectric layer, a second metal layer stacked on the first dielectric layer to which the first adhesive layer is applied and having a circuit pattern formed thereon, a heat resistant layer stacked on the second metal layer, and a terminal layer formed in one region of the heat resistant layer and electrically connected to the first metal layer and the second metal layer, and a flexible cable jumper device coupled to one side of the flexible cable jumper structure and including an RF connector including a plug having an electrode electrically connected to the terminal layer, and the flexible cable jumper device of the present invention has heat resistance and low loss characteristics by using a heat resistant material and a low

Abstract: The present invention relates to a power module and a method for manufacturing same, the power module comprising: a ceramic substrate including a ceramic base and an electrode pattern formed on the upper and lower surfaces of the ceramic base; a PCB substrate disposed above the ceramic substrate and including an electrode pattern; a plurality of through-holes formed in at least one of the ceramic substrate and the PCB substrate; and a connection pin coupled to the through-holes and connecting the electrode pattern of the ceramic substrate and the electrode pattern of the PCB substrate to each other. The present invention has advantages in that it is easy to fix the connection pin to the ceramic substrate, the position accuracy of the connection pin is improved, and the convenience of assembly is increased.