Abstract: A semiconductor device includes a cell array region and a contact region; a gate stack structure groups of gate electrodes; a channel structure extending through the gate stack structure in the cell array region; and gate contact portions connected to respective gate electrodes in the contact region. At least some of the gate contact portions extend through a through gate electrode connected to a connection gate electrode at a lower end portion. The gate contact portions include contact groups extending from a first side to a second side of the gate electrodes in an extending direction. Each of the electrode groups includes an upper group on a lower group.

Abstract: A battery pack for a vehicle, includes a tray assembly; a plurality of battery modules arranged to form a planar grid in the tray assembly; and a pack cover coupled to an upper side of the tray assembly, and together with the tray assembly, forming a pack internal space to accommodate the battery modules therein, in which the battery modules arranged in the tray assembly includes first battery modules of which module outlets for discharging venting gas from insides thereof are formed in a longitudinal direction of the battery pack, and second battery modules of which module outlets are formed in a transverse direction, and the first battery module and the second battery module are alternately disposed inside the tray assembly to form the planar grid.

Abstract: An embodiment stator for an axial flux permanent magnet (AFPM) motor includes a plurality of stator cores arranged in a circumferential direction, each stator core of the plurality of stator cores including a winding portion on which a coil is wound and end portions of a wedge shape on both sides of the winding portion, and a plurality of core support members, each core support member of the plurality of core support members including a pair of first support portions configured to support the end portions, a second support portion connecting a first end of a first one of the pair of first support portions to a first end of a second one of the pair of first support portions, and a third support portion connecting second ends of the pair of first support portions to each other.

Abstract: Disclosed is an apparatus for inspecting the appearance of a can for a secondary battery, which can obtain an image of the appearance of the can for the secondary battery and determine whether there is a defect. The apparatus for inspecting the appearance of a can for a secondary battery according to the disclosure obtains lateral images of a plurality of cans at once, and generates the lateral image for one can by extracting an area where each can is captured, thereby speeding up the inspection. Further, the lateral images of the can are obtained with light emitted in various combinations, thereby having an effect on improving the accuracy in defect diagnosis.

Abstract: The present invention relates to an air foil thrust bearing including a bump foil and a top foil stacked at a position corresponding to the bump foil to cover the bump foil, in which an outer diameter of the top foil is larger than an outer diameter of the bump foil in a radial direction, and the bump foil and the top foil are formed and disposed so that a portion where pressure of an air film between a thrust runner and the top foil is high when a rotor rotates is consistent with a region in which the bump foil exists, such that friction in an outermost peripheral region of the top foil based on the radial direction is reduced, durability is improved, the pressure of the air is relatively uniformly dispersed, and a load supporting force is improved.

Abstract: The present invention relates to a guider for separating a tube, and more particularly, to a guider for easily separating a tube and a catheter which are coupled to each other. The guider for separating a tube according to an exemplary embodiment of the present invention may include: a cylindrical body portion which includes a through space which is opened at both ends thereof and formed to enable a tube to penetrate therethrough; and a wing portion which is connected to an outer surface of the body portion and transmits rotational force to the body portion.

Abstract: A slide transfer device for a vehicle includes a first rail portion fixed to a vehicle body, a second rail portion rail-coupled to the first rail portion to slide in the front and rear direction and coupled to a movement guide protruding from the first rail portion, and a damper mounted in a mounting hole formed in the second rail portion and configured to support the movement guide inserted into the mounting hole of the second rail portion.

Abstract: A hot water supply apparatus according to an embodiment of the present disclosure includes a first heat exchanger that heats heating water and a second heat exchanger that generates hot water, a first temperature sensor that is installed on a first flow path through which the supply water supplied by the first heat exchanger flows to the second heat exchanger and measures a temperature of the supply water, a second temperature sensor that is installed on a second flow path through which return water of the supply water cooled after heat exchange with the second heat exchanger flows to the first heat exchanger and measures a temperature of the return water, and a controller that predicts the temperature of the supply water based on the temperature of the return water measured by the second temperature sensor and preforms hot water control based on the predicted temperature of the supply water.

Abstract: A chuck assembly for holding a plate comprises a member configured to hold the plate, the member including a flexible portion configured to have a central opening, and a first cavity formed by the flexible portion, wherein the plate is held by the flexible portion by reducing pressure in the first cavity, a light-transmitting member covering the central opening of the member, and a fluid path in communication with a second cavity defined by the member, the plate held by the member and the light-transmitting member for pressurizing the second cavity.

Abstract: Proposed is a method for controlling vagus nerve stimulation to stimulate the vagus nerves in both ears, in which one or more of intensity (V), a frequency (F), and a pulse width (PW) of electrical stimulation that is applied to both vagus nerves are separately controlled, and the electrical stimulation that is applied to the vagus nerves in both ears is controlled such that a difference of E expressed by the following [Equation 1] becomes 5,000 or more, [Equation 1] E=V2×F×PW. In this case, as units in the equation 1, the intensity is V, the frequency is Hz, and the pulse width is us. There is an excellent effect that not only can improve an effect of vagus nerve stimulation, but also can activate the brain connected to the vagus nerve when stimulating the vagus nerve through electrodes being in contact with ears.

Abstract: A head-mounted display including multiple displays tiled together is provided. A first display may include an active region and an inactive region. A second display may be aligned with the inactive region. The first display and the second display may have different resolutions and may present visual information with different display qualities based on their respective resolutions. For example, the first display may include a lower resolution than the second display. The inactive region may be centered in the first display, and the second display may be centered with respect to the first display. The head-mounted display may provide a continuous image(s) (or video(s)) with a high resolution on the second display, while providing the remainder of the image(s) on the low resolution first display. Based on the multiple displays being tiled, the multiple displays may present one or more images, or one or more videos, in a non-overlapping manner.

Abstract: A battery module includes a cylindrical battery cell or a prismatic battery cell, wherein a part of the cylindrical battery cell or the prismatic battery cell is immersed in a cooling liquid. The battery module includes a liquid immersion cooling unit configured such that a hole is formed through the liquid immersion cooling unit as the result of melting when the temperature rises, whereby the cooling liquid is dispersed to the entirety of the battery module.

Abstract: An ink droplet volume measurement apparatus including an oblique illumination configured to emit light at a first angle to ink droplets deposited onto a substrate, an imaging device configured to obtain planar images of the ink droplets and a shadow of the ink droplets generated by the emitted light and a calculation device configured to calculate a volume of the ink droplets deposited onto the substrate based on the planar images of the ink droplets and the shadow of the ink droplets.

Abstract: The present disclosure provides a method for partially reducing vanadium pentoxide (V2O5) using an ammonia solution, wherein ammonia is used to convert vanadium pentoxide (V2O5) powder to ammonia vanadate (NH4VO3), which is an intermediate material, after which the ammonia vanadate is heated under normal or reduced pressure in a nitrogen or argon atmosphere and then maintained for a certain period of time to partially reduce the vanadium pentoxide and thereby produce vanadium dioxide (VO2) powder, and vanadium dioxide (VO2) powder produced thereby.

Abstract: The present invention provides a compound of chemical formula 1, a compound of chemical formula 3, compound [212], compound [224], or compound [228], a pharmaceutically acceptable salt thereof, a stereoisomer thereof, a hydrate thereof, or a solvate thereof, and a pharmaceutical composition comprising same. The pharmaceutical composition has excellent antiviral efficacy, thereby having a preventive or treatment effect on viral infectious disease such as SARS-COV-2, and exhibits an inhibitory effect on IL-5 expression and thus has a preventive or treatment effect on respiratory disease or allergic disease.

Abstract: The present disclosure relates to a heterocyclic compound represented by Chemical Formula 1, an organic light emitting device including the same, and a composition for an organic material layer: in Chemical Formula 1, each substituent has the same definition as described in the detailed description.

Abstract: A secondary battery includes: an electrode assembly; a can having a lower surface and a side surface and accommodating the electrode assembly; a cap plate coupled to an upper end of the can; a terminal on the lower surface of the can; and an insulator having a plate-shaped portion and an extending portion extending upwardly from a circumference of the plate-shaped portion. The plate-shaped portion is between the electrode assembly and the lower surface of the can, and the extending portion has an upper end contacting a lower portion of the electrode assembly.

Abstract: Embodiments of the present disclosure relate to a cylindrical secondary battery that facilitates gas discharge by causing a bent shape of a cap plate to be deformed and broken if a temperature of a cell increases, such as due to an event. In one or more embodiments, a secondary battery includes: an electrode assembly; a case including a top end open to accommodate the electrode assembly; and a cap plate coupled to the top end of the case, and the cap plate includes a central region, an edge region, a bent portion between the central region and the edge region, and a vent portion including a notch configured to be broken by a certain pressure.

Abstract: According to various embodiments, an electronic device may include: a microphone; an audio connector; a wireless communication circuit; a processor operatively connected to the microphone, the audio connector, and the wireless communication circuit; and a memory operatively connected to the processor, wherein the memory may store instructions that, when executed, cause the processor to: receive a first audio signal through the microphone, the audio connector, or the wireless communication circuit, extract audio feature information from the first audio signal, and recognize a speech section in a second audio signal, received after the first audio signal through the microphone, the audio connector, or the wireless communication circuit, using the audio feature information.

Abstract: Provided is a plasticizer composition, comprising: two or more kinds of terephthalates of the same carbon number type, wherein the carbon number of alkyl groups bonded to two ester groups is the same; and one or more kinds of terephthalates of a different carbon number type, wherein the carbon number of alkyl groups bonded to two ester groups is different, the different carbon number type comprises a higher alkyl and a lower alkyl, the higher alkyl is selected from alkyl groups having a carbon number of 8 or less, and the lower alkyl is selected from alkyl groups having a carbon number of 5 or more.