Abstract: A positive electrode active material for a lithium secondary battery has a mixture of microparticles having a predetermined average particle size (D50) and macroparticles having a larger average particle size (D50) than the microparticles. The microparticles have the average particle size (D50) of 1 to 10 ?m and are at least one selected from the group consisting of particles having a carbon material coating layer on all or part of a surface of primary macroparticles having an average particle size (D50) of 1 ?m or more, particles having a carbon material coating layer on all or part of a surface of secondary particles formed by agglomeration of the primary macroparticles, and a mixture thereof. The macroparticles are secondary particles having an average particle size (D50) of 5 to 20 ?m formed by agglomeration of primary microparticles having a smaller average particle size (D50) than the primary macroparticles.

Abstract: Proposed are a wafer heating apparatus and a wafer processing apparatus using the same. More particularly, proposed are a wafer heating apparatus having an improved structure to enable efficient cooling of a terminal block, and a wafer processing apparatus using the same. A wafer heating apparatus for heating a wafer according to one embodiment includes a heater disposed below the wafer and configured to serve as a heat source, a cooling plate disposed below the heater and configured to provide cool air, and a terminal block configured to supply power to the heater and having a lower end portion in contact with the cooling plate.

Abstract: A point etching module using an annular surface-discharge plasma apparatus is disclosed. The point etching module using an annular surface-discharge plasma apparatus comprises: a plate-shaped dielectric; a circular electrode disposed on and in contact with the upper surface of the dielectric; an annular electrode disposed on and in contact with the lower surface of the dielectric and providing a gas receiving space for receiving gas; and a power supplier for applying high voltage between the circular electrode and the annular electrode, wherein when the application of the high voltage starts an electric discharge, filament type plasma is irradiated toward a substrate to be treated, by using plasma flowing in the center direction of the annular electrode from between the inner surface of the annular electrode and the lower surface of the dielectric.

Abstract: Carrier rings with radially-varied plasma impedance are provided herein. In some embodiments, a carrier ring may include an outer ring that holds a removable inner ring. The outer ring may be formed of a dielectric material such as ceramic. The inner ring may be formed of a metal such as aluminum to provide a desired impedance. In some other embodiments, a carrier ring is formed from a single piece with radially-varying impedances.

Abstract: Provided is a batch-type substrate processing apparatus. The substrate processing apparatus includes a vertical reaction tube having an internal space for receiving a substrate boat in which a substrate is stacked in multiple stages, a deposition gas supply unit configured to supply a deposition gas inside the reaction tube, a heater disposed outside the reaction tube to provide a thermal energy inside the reaction tube, and an adhesion layer coated on an inner wall of the reaction tube and to which a deposition by-product layer by an excess deposition gas is attached.

Abstract: Provided is a method of providing an interface for visual question answering. The method including: receiving 360-degree video data; acquiring a plurality of images corresponding to a plurality of fields of view (FOV) based on the 360-degree video data; identifying a plurality of objects included in the plurality of images and storing metadata regarding the plurality of objects; converting plane coordinates of each of the plurality of objects into spherical coordinates; classifying the plurality of objects into a plurality of lists; selecting a first object having a highest correct answer probability; comparing the spherical coordinates of the first object having the highest correct answer probability with the spherical coordinates of each of the remaining first objects, and removing a first object satisfying a preset condition among the remaining first objects from the plurality of images; and generating an interface for visual question answering.

Abstract: Systems and methods for detecting eye information are described. According to one embodiment, a detecting device includes a determination unit, a generation unit, and a detection unit. The determination unit is configured to determine whether a user wears glasses from an input image by using a first neural network including a plurality of filters. The generation unit is configured to generate a face image in which the glasses are removed from the input image by using a learned generator when a glasses-wearing signal is received from the determination unit. The detection unit is configured to generate an eye image by receiving the input image from the determination unit or receiving the face image from the generation unit and detect a pupil from the eye image using a second neural network including a plurality of filters.

Abstract: Discussed is an electrode lead bending and welding apparatus including a base portion movable in a vertical direction and a horizontal direction, a bending portion attached to the base portion and extending away from the base portion, and a sensing portion attached to the bending portion and rotatable; . A welding between an electrode lead and a busbar of a battery cell is performed in the state in which the electrode lead is bent by the bending portion, . Also discussed is an electrode lead welding method using the electrode lead bending and welding apparatus.

Abstract: Disclosed is a plasma surface treatment apparatus for conductive powder. The plasma surface treatment apparatus for conductive powder comprises: a reaction chamber including a linear gas inlet at the lower end thereof and a gas outlet at the upper end thereof, and having a vertical cross section that is funnel-shaped; and a plasma jet generation device that is located below the linear gas inlet and is configured to discharge a plasma jet into the reaction chamber from below in an upward direction through the linear gas inlet, wherein powder is accommodated in the reaction chamber and is treated by plasma while buoyed by the plasma jet.

Abstract: Disclosed is a window device for diagnosis of plasma OES (Optical Emission Spectroscopy).

Abstract: A spot welding jig is provided. The spot welding jig presses electrode leads of battery cells to be closely adhered onto a bus bar when spot welding is performed to the electrode leads interposed on the bus bar along a width direction of the electrode leads. The spot welding jig includes a passing portion through which a welding laser passes, and a predetermined number of barriers configured to vertically partition an inner space of the passing portion.

Abstract: An atomic layer polishing method is described. The method includes: scanning the surface of a specimen to measure a peak site on the specimen surface; spraying toward the measured peak site a gas containing an element capable of binding to a first atom, which is an ingredient of the material of the specimen to form a first reaction gas layer in which the first reaction gas binds to the first atom on the surface of the peak; and projecting ions of inert gas to the peak site on which the first reaction gas layer is deposited to separate the first atom bound to the first reaction gas from the specimen.

Abstract: Provided is a battery module in which weldability between electrode leads and/or between an electrode lead and a bus bar is improved. The battery module includes: a cell assembly that includes a plurality of secondary batteries stacked in at least one direction, respectively including electrode leads, and electrically connected to each other via a connection between the electrode leads; and at least one bus bar that includes an electrically conductive material and is electrically connected by contacting the electrode leads of the plurality of secondary batteries, wherein at least one of the electrode leads is combined and fixed to at least one of another electrode lead and the at least one bus bar, which are contacted by the at least one of the electrode leads, via a welding spot formed in a tornado shape.

Abstract: The present invention relates to a thin film deposition apparatus and a thin film deposition method in which the resistivity of a thin film is decreased by reducing the content of impurities inside a thin film. The thin film deposition apparatus may include a process chamber configured to perform a deposition process for causing a first metal and a reactant source to react, to form a thin film on a substrate; a source gas nozzle part configured to supply, into the process chamber, a source gas including the first metal and a ligand; a pretreatment gas nozzle part configured to supply, into the process chamber, a pretreatment gas including a second metal reactable with the ligand; and a reaction gas nozzle part configured to supply, into the process chamber, a reaction gas comprising the reactant source.

Abstract: Provided is a batch-type substrate processing apparatus. The substrate processing apparatus includes a vertical reaction tube having an internal space for receiving a substrate boat in which a substrate is stacked in multiple stages, a deposition gas supply unit configured to supply a deposition gas inside the reaction tube, a heater disposed outside the reaction tube to provide a thermal energy inside the reaction tube, and an adhesion layer coated on an inner wall of the reaction tube and to which a deposition by-product layer by an excess deposition gas is attached.

Abstract: A point etching module using an annular surface-discharge plasma apparatus is disclosed. The point etching module using an annular surface-discharge plasma apparatus comprises: a plate-shaped dielectric; a circular electrode disposed on and in contact with the upper surface of the dielectric; an annular electrode disposed on and in contact with the lower surface of the dielectric and providing a gas receiving space for receiving gas; and a power supplier for applying high voltage between the circular electrode and the annular electrode, wherein when the application of the high voltage starts an electric discharge, filament type plasma is irradiated toward a substrate to be treated, by using plasma flowing in the center direction of the annular electrode from between the inner surface of the annular electrode and the lower surface of the dielectric.

Abstract: An atomic layer polishing method is described. The method includes: scanning the surface of a specimen to measure a peak site on the specimen surface; spraying toward the measured peak site a gas containing an element capable of binding to a first atom, which is an ingredient of the material of the specimen to form a first reaction gas layer in which the first reaction gas binds to the first atom on the surface of the peak; and projecting ions of inert gas to the peak site on which the first reaction gas layer is deposited to separate the first atom bound to the first reaction gas from the specimen.

Abstract: Provided is a battery module in which weldability between electrode leads and/or between an electrode lead and a bus bar is improved. The battery module includes: a cell assembly that includes a plurality of secondary batteries stacked in at least one direction, respectively including electrode leads, and electrically connected to each other via a connection between the electrode leads; and at least one bus bar that includes an electrically conductive material and is electrically connected by contacting the electrode leads of the plurality of secondary batteries, wherein at least one of the electrode leads is combined and fixed to at least one of another electrode lead and the at least one bus bar, which are contacted by the at least one of the electrode leads, via a welding spot formed in a tornado shape.

Abstract: A spot welding jig is provided. The spot welding jig presses electrode leads of battery cells to be closely adhered onto a bus bar when spot welding is performed to the electrode leads interposed on the bus bar along a width direction of the electrode leads. The spot welding jig includes a passing portion through which a welding laser passes, and a predetermined number of barriers configured to vertically partition an inner space of the passing portion.

Abstract: An ammunition supply system includes a weapon mounted on an exterior of a fighting vehicle; a magazine loading unit mounted on the exterior of the fighting vehicle and configured to load a magazine for the weapon; a hatch unit configured to form an entrance to allow a combatant to enter and exit the fighting vehicle; and a hatch lifting unit configured to supply power to the hatch unit to move in a vertical direction with respect to the fighting vehicle. The hatch unit includes: a hatch door unit through which the combatant enters and exits the fighting vehicle, and a hatch passage part forming a passage for connecting the hatch door unit and an interior of the fighting vehicle. The hatch passage part includes a first opening facing the magazine loading unit so that the magazine is transferred from the interior of the fighting vehicle to the magazine loading unit without the combatant being exposed to the exterior of the fighting vehicle.