Abstract: A method of manufacturing a semiconductor device includes: forming a trench in an insulating interlayer by etching the insulating interlayer; forming a conductive layer on bottom, side, and upper surfaces of the insulating interlayer where the trench is formed, using a first deposition process, the conductive layer on the bottom surface of the trench being thicker than the conductive layer on the side surface of the trench; forming a sacrificial layer in the trench covering the conductive layer formed on the bottom surface of the trench using a second deposition process different from the first deposition process; selectively removing the conductive layer formed on the upper surface of the insulating interlayer and formed on the side surface of the trench left exposed through the sacrificial layer; and selectively removing the sacrificial layer, to form a conductive line using the conductive layer remaining on the bottom surface of the trench.

Abstract: An air mobility device improves propulsion due to the Coand? effect when flying so as to increase a flying range and reduces noise when flying.

Abstract: One embodiment provides a gas diffusion layer for a fuel cell constituting a unit cell of the fuel cell. The gas diffusion layer includes a base layer that includes short carbon fibers and has a reinforcing portion formed in a predetermined area thereof in a thickness direction with continuous carbon fibers oriented in the reinforcing portion. The reinforcing portion is formed adjacent to a first surface of the base layer. A micro porous layer is formed on the first surface of the base layer.

Abstract: A floating offshore structure of the present disclosure includes: a plurality of columns; and a plurality of pontoons installed at lower ends of the columns, respectively, wherein a polygonal shape is formed by an imaginary line connecting the columns, the pontoons are installed inside the polygonal shape, a cross-sectional area in a direction parallel to sea level of the pontoons is greater than or equal to the cross-sectional area in the direction parallel to the sea level of the columns, and the pontoons may have a shape protruding outward at the lower ends of the columns.

Abstract: A floating offshore structure of the present invention comprises: a plurality of columns; and a tower support column for supporting a tower of a power generation structure, wherein a polygonal shape is formed by means of an imaginary line connecting the columns, and the tower supporting column can be provided at one point of one of the sides of the polygonal shape.

Abstract: Disclosed is a pedestal heater block for a chemical vapor deposition machine, in which a structure intended for causing a vacuum to be applied is installed on a surface so that a wafer can be fixed by vacuum absorption, and which comprises: gas supply holes distributed to supply gas for temperature uniformity onto a back side of the wafer; and a hot wire configured to apply heat to the wafer, wherein the hot wire is installed to have higher installation density in a central part of the heater block which is a position corresponding to a central part of the wafer than that in a neighborhood part which is an outer side of the heater block.

Abstract: Proposed is a battery fire suppression system with a fire extinguishing agent cooling function, in which a fire extinguishing gas serves as a refrigerant for cooling a fire extinguishing agent and at the same time, the fire extinguishing gas is sprayed into a battery room or a battery module to quickly extinguish a fire in the battery. While allowing the fire extinguishing gas to basically serve as the refrigerant, depending on the amount of combustible materials loaded in the battery room, the shape of battery cells installed inside the battery module, the battery capacity, etc., it is possible to selectively determine whether to allow the fire extinguishing gas to serve only as the refrigerant, or to allow the fire extinguishing gas to be sprayed to the battery module where the fire has occurred to cool the surface of the battery module or directly extinguish the fire in the battery module.

Abstract: A system for determining abnormalities of a TPMS that includes a pressure sensor that senses a pressure inside a tire and transmits sensed pressure data as a radio signal, a reception unit that receives the radio signal from the pressure sensor and measures strength of the received radio signal, and a determination unit that determines an abnormality of the TPMS based on the radio signal received, and the strength of the radio signal measured, by the reception unit.

Abstract: Disclosed are a method of manufacturing a uranium target, the method including (a) a step of preparing a conjugate including a matrix and a uranium target green compact formed in the matrix; and (b) a step of performing thermo-mechanical treatment through additional heat treatment at 530° C. to 600° C. during a hot rolling pass in a process of hot-rolling the conjugate, and a method of extracting radioactive Mo-99 using the uranium target.

Abstract: A method controls a dishwasher including a tub configured to receive objects to be washed, a drying device configured to receive wet air from the tub and to discharge the wet air to an outside of the dishwasher, and a dry air supplier including a heating part and being configured to supply heated air to the tub. The method includes preheating the drying device by introducing dry air from the outside to the drying device before a first preset time from a start point of a drying operation, performing the drying operation at the start point, wherein the wet air is discharged from the tub during the drying operation, and cooling the dry air supplier by stopping operation of the heating part before a second preset time from an end time point of the drying operation.

Abstract: A dishwasher includes a tub, a door coupled to a front of the tub, and a drying device disposed at the door and configured to dry an inside of the tub. The drying device includes a bracket that defines a space configured to receive the wet air and the dry air, an impeller coupled to the bracket and configured to cause the wet air and the dry air to be mixed, where the impeller is configured to generate a flow of the mixed air. The drying device further includes a cover coupled to the bracket, and an air guide disposed between the bracket and the cover and configured to guide the flow of the mixed air into the impeller. The impeller is rotatably coupled to the air guide.

Abstract: A dishwasher includes a tub that defines a washing space configured to accommodate objects to be washed, a door coupled to a front of the tub, and a drying device disposed at the door and configured to guide (i) wet air discharged from the inside of the tub and (ii) ambient air introduced from an outside of the tub. The drying device includes a bracket that defines a space configured to receive the wet air and the ambient air, where the bracket defines a first inlet that is in fluid communication with the outside and configured to receive the ambient air from the outside. The drying device further includes a cover coupled to the bracket and an impeller coupled to the bracket and configured to cause the wet air and the ambient air to be mixed, where the impeller is configured to generate a flow of the mixed air.

Abstract: A camera module is provided. The camera module includes a housing unit; a carrier, accommodated in the housing unit, and configured to move in an optical axis direction; a lens module, accommodated in the carrier, and in which one or more lenses are disposed; and a buffer member disposed on a side surface of the carrier, and configured to protrude in a direction perpendicular to the optical axis direction, and having a length in the optical axis direction, wherein the side surface of the carrier, on which the buffer member is disposed, has a length extending in the direction perpendicular to the optical axis direction.

Abstract: A lens module includes a lens barrel in which a plurality of lenses are disposed, and a lens holder to which the lens barrel is coupled, wherein the lens holder includes a fastening portion fastening the lens barrel, the lens barrel includes a fastening blade coupled to the fastening portion of the lens holder, and the fastening portion includes a stepped portion preventing rotation in a direction, opposite to a direction in which the fastening blade rotates for fastening.

Abstract: There are provided an apparatus and a method for LiDAR data conversion for training various types of autonomous vehicles by using pre-acquired data. A method for converting LiDAR data according to an embodiment includes: receiving an input of first LiDAR data which is pre-acquired through a first LiDAR sensor mounted in a first vehicle; converting the inputted first LiDAR data into second LiDAR data which is acquired through a second LiDAR sensor mounted in a second vehicle; and outputting the converted second LiDAR data, and converting includes converting the first LiDAR data into LiDAR data on a reference coordinate system, and converting the converted LiDAR data into the second LiDAR data which is LiDAR data on a coordinate system of the second LiDAR sensor.

Abstract: An embodiment gas diffusion layer unit for a fuel cell includes a gas diffusion layer disposed on a surface of a membrane electrode assembly and a sub-gasket, the sub-gasket surrounding and supporting an edge of the membrane electrode assembly, and an elastic member provided in a predetermined area of an edge of the gas diffusion layer, the elastic member being integrated with the gas diffusion layer and being in contact with the sub-gasket.

Abstract: A dishwasher includes a tub, a door, and a drying device configured to supply air to a washing space in the tub. The drying device includes a drying duct that is disposed outside the tub and includes a condensing duct and a return duct, a fan configured to cause a flow of air in the drying duct, and a heater configured to heat the air in the drying duct. The condensing duct includes a first condensing duct connected to an inlet port configured to receive moist air from the washing space, and a second condensing duct disposed vertically below a bottom portion of the tub and connected to the first condensing duct. The return duct includes a return upstream end connected to the second condensing duct and a return downstream end connected to an outlet port configured to supply air to the tub.

Abstract: A multiple perforation plate for a separator of a fuel cell is provided. The multiple perforation plate is disposed between the separator having a flat plate shape and a gas diffusion layer to form flow paths for a reaction gas, and the multiple perforation plate includes a porous hole region having an uneven shape repeatedly formed therein and provided with a plurality of flow path holes configured to allow the reaction gas to flow in a turbulent way, and a channel region forming a flow path configured to allow the reaction gas to flow along a flow direction of the reaction gas in a straight way, wherein the porous hole region and the channel region are alternately disposed and integrally formed.

Abstract: The disclosure provides a surgical apparatus comprising: a steerable member that is bendable and comprises a plurality of bending segments with channels therein; and a plurality of bending actuation wires that are arranged to pass through the steerable member and cause the steerable member to bend, the steerable member comprising at least one outwardly opening lumen through which the bending actuation wires pass.

Abstract: A camera module includes: a housing; a first dynamic component movably disposed in the housing in a direction of an optical axis; a second dynamic component including a lens and movably disposed on the first dynamic component in a direction orthogonal to the optical axis; a pocket configured in either one or both of the first dynamic component and the second dynamic component; a damping gel disposed in the pocket; and a damping pin extending from the first moving body or the second moving body, and at least partially embedded in the damping gel.