Abstract: The present invention relates to a sample collection device, comprising: (a) a first tube accommodating a sample; wherein the first tube comprises an opened end part; (b) a second tube accommodating a sample transport medium; wherein the second tube comprises an opened end part; and (c) an adapter; wherein the adapter comprises a first accommodating part formed such that the opened end part of the first tube is inserted, a second accommodating part formed to be coupled to the opened end part of the second tube and a sealing part that comprises a first surface facing the first accommodating part and a second surface facing the second accommodating part, and partitions the first accommodating part and the second accommodating part, and wherein a breaking line is formed on the sealing part such that the sealing part is broken by a contact pressure.

Abstract: An apparatus for selecting a sodium-ion battery cathode material using machine learning includes an input data generation unit configured to select candidate materials among a plurality of materials possible to be used as cathode materials for sodium-ion batteries and generate O3 input data and P3 input data respectively for O3 structure materials and P3 structure materials formed depending on structural transition during charge and discharge from each candidate material, and a material classification unit configured to receive the O3 and P3 input data from the input data generation unit and classify the candidate materials depending on stability in a pristine state and desodiated state, respectively, by performing machine learning on data of the plurality of O3 and P3 structure materials using a pristine model and a desodiated model as prediction models.

Abstract: A shoe care device for processing shoes by air circulation includes an inner cabinet configured to accommodate shoes therein; a steam generator configured to supply steam into the inner cabinet; an inlet through which air is sucked from the inner cabinet; a nozzle installed inside the inner cabinet to be insertable into the shoe and configured to spray at least one of steam and air into the shoe; a connecting passage connected from the inlet to the nozzle; a blowing fan installed on the connecting passage to blow air from the inlet toward the nozzle; and a dehumidifying material installed on the connecting passage to dehumidify the blown air.

Abstract: A lithium secondary battery includes: a positive electrode, a negative electrode, and a separator disposed between the positive electrode and the negative electrode. In the negative electrode, a negative electrode active layer containing a carbon-based negative electrode active material and a coating layer containing silicon-containing particles are sequentially located on a negative electrode current collector, and a volume resistance of the negative electrode is about 6.0×10?3 ?·cm to 1.0 ?·cm.

Abstract: A semiconductor device includes: a package substrate; a first die on the package substrate and including a hard macro and through silicon vias; and a second die on the first die, wherein the first die includes a first region, which does not include the hard macro, and a second region including a macro-region that includes the hard macro, wherein the through silicon vias of the first region are arranged in a first direction with a first distance and in a second direction with a second distance, wherein the through silicon vias of the second region are arranged in the first direction with a first pitch, and in the second direction with a second pitch, wherein the macro-region is interposed between the through silicon vias arranged in the first direction, wherein the first pitch is greater than the first distance, and wherein the second pitch is less than the second distance.

Abstract: A technology capable of finding new 2D materials with high elastic modulus and shear modulus through using deep learning, machine learning, and high-throughput calculation methods are described. A device for modeling 2-dimensional (2D) material using machine learning includes a material classification unit receiving data on the virtual inorganic material chemical formulas from the virtual inorganic material generation unit and classifying a 2D material among the plurality of virtual inorganic material chemical formulas into a preliminary 2D material, a space group analysis unit receiving data on the preliminary 2D material from the material classification unit, predicting the space group of the preliminary 2D material, and selecting the preliminary 2D material having the same space group as an existing 2D material as a structurally similar 2D material.

Abstract: Disclosed is a wheel assembly including a driving rotation part being rotatable about a driving rotation axis that is a rotation axis that extends in one direction, and a variable rotation part being rotatable about a variable rotation axis that is an imaginary rotation axis, of which a relative location to the driving rotation axis is variable, and being movable relative to the driving rotation part along a direction that is not parallel to the one direction, wherein a relative location of the variable rotation axis to the driving rotation axis is variable when the variable rotation part is moved relative to the driving rotation part.

Abstract: A bitline sense amplifier including: an amplifier which is connected between a first sensing bitline and a second sensing bitline, and detects and amplifies a voltage difference between a first bitline and a second bitline in response to a first control signal and a second control signal; and an equalizer which is connected between a first supply line through which the first control signal is supplied and a second supply line through which the second control signal is supplied, and pre-charges the first bitline and the second bitline with a precharge voltage in response to an equalizing control signal, wherein the equalizer includes an equalizing enable transistor in which a source terminal is connected to the first supply line and performs equalizing in response to the equalizing control signal.

Abstract: In a transistor turnoff system, a transistor control circuit is configured to adjust a control voltage at a transistor control output responsive to a comparison signal at a control input. The control voltage has a slew rate. A comparator has a comparator output and first and second comparator inputs. The first comparator input is coupled to the transistor control output. The comparator is configured to: provide the comparison signal at the comparator output based on a reference voltage at the second comparator input; and deactivate the transistor control circuit by changing a state of the comparison signal responsive to the control voltage falling below the reference voltage. A slew-rate compensator is configured to increase the reference voltage by a compensation voltage that compensates for a time delay of the comparator or the transistor control circuit. The compensation voltage is proportional to the slew rate.

Abstract: A semiconductor device is provided. The semiconductor device includes a substrate containing deuterium at a first concentration, an active pattern disposed on the substrate and extending in a first horizontal direction, a gate electrode disposed on the active pattern and extending in a second horizontal direction different from the first horizontal direction, a gate insulating layer disposed between the active pattern and the gate electrode, the gate insulating layer containing deuterium at a second concentration, a first interlayer insulating layer disposed on the gate electrode, a second interlayer insulating layer disposed on the first interlayer insulating layer, and a wiring pattern disposed inside the second interlayer insulating layer, the wiring pattern containing deuterium at a third concentration lower than the first concentration, wherein each of the first to third concentrations is a concentration of deuterium atoms contained in the same unit volume.

Abstract: A semiconductor device includes a substrate having a cell region and a peripheral region surrounding the cell region, a lower electrode extending in a vertical direction on the cell region of the substrate, an upper electrode surrounding a sidewall and a top surface of the lower electrode, a capacitor dielectric layer disposed between the lower electrode and the upper electrode, a first barrier layer disposed on the upper electrode, the first barrier layer in contact with each of a sidewall and a top surface of the upper electrode, a first interlayer insulating layer covering the first barrier layer, the first interlayer insulating layer including a material different from the first barrier layer, and a first contact penetrating through the first barrier layer and the first interlayer insulating layer in the vertical direction, the first contact connected to the upper electrode.

Abstract: The present invention may provide a motor including a housing, a stator disposed in the housing, a rotor disposed in the stator, and a shaft coupled to the rotor, wherein the housing includes a first housing, the first housing includes a main body, a flange, and a joint disposed between the flange and the main body in an axial direction, the flange includes holes, the joint includes first step parts and second step parts which protrude further outward than an outer surface of the main body in a radial direction, and the first step parts and the second step parts are symmetrically disposed with respect to a reference line passing through a center of one of the holes and a center of the first housing.

Abstract: A shoe care apparatus includes an inner cabinet, an inlet, an outlet, a connection passage, a heater, a blower, and a desiccant block. The air inside the inner cabinet flows into the connection passage through the inlet, and is discharged back into the inner cabinet through the outlet after being dehumidified by the desiccant block while circulating inside the shoe care apparatus. The heater is located in the inner space of the desiccant block to recycle the desiccant of the desiccant block.

Abstract: The present disclosure is directed to a contactless card including an actuation security structure that is actuated to provide authorization in accessing identifying information on an integrated circuit within the contactless card. In at least one embodiment, the actuation security structure includes a pair of conductive layers and a pair of electrodes. Ends of the pair of conductive layers overlap respective ones of the pair of electrodes. The ends of the pair of conductive layers are at and in a first elastically deformable region and the respective ones of the pair of electrodes are at and in a second elastically deformable region. An owner of the contactless card may provide authorization to access the identification information on the contactless card by applying force to both the first and second elastically deformable regions inward resulting in the ends of the conductive layers moving into electrical communication with the pair of electrodes.

Abstract: A shoes care device includes an inner cabinet and a module housing. A blowing part, a heating part, and a dehumidifying part are jointly accommodated in a module chamber inside a module housing, and the module housing is detachably coupled to a lower side of the inner cabinet. A shoes care device having a structure in which condensed water generated while passing through the blowing part, the heating part, and/or the dehumidifying part can be prevented from being leaked, and it is advantageous for leakage management, and the module housing and a component accommodated therein are easily managed and replaced.

Abstract: A semiconductor device includes channel layers on a substrate, the channel layers being spaced apart from each other, and having first side surfaces and second side surfaces opposing each other in a first direction, a gate electrode surrounding the channel layers and having a first end portion and a second end portion, opposing each other in the first direction, and a source/drain layer on a first side of the gate electrode and in contact with the channel layers, a portion of the source/drain layer protruding further than the first end portion of the gate electrode in the first direction, wherein a first distance from the first end portion of the gate electrode to the first side surfaces of the channel layers is shorter than a second distance from the second end portion of the gate electrode to the second side surfaces of the channel layers.

Abstract: A bitline sense amplifier including: an amplifier which is connected between a first sensing bitline and a second sensing bitline, and detects and amplifies a voltage difference between a first bitline and a second bitline in response to a first control signal and a second control signal; and an equalizer which is connected between a first supply line through which the first control signal is supplied and a second supply line through which the second control signal is supplied, and pre-charges the first bitline and the second bitline with a precharge voltage in response to an equalizing control signal, wherein the equalizer includes an equalizing enable transistor in which a source terminal is connected to the first supply line and performs equalizing in response to the equalizing control signal.

Abstract: Disclosed are a thermoplastic elastomeric composition for vehicle mounts which has improved surface energy and compression set while solving reduction in wear strength, by blending EPDM rubber, polypropylene, silicon, and poly(styrene-ethylene-butadiene-styrene) (SEBS) in appropriate amounts, and a molded article including the same.

Abstract: A method for estimating battery cell capacity may comprise deriving a discharge curve for each battery cell included in a module including a plurality of battery cells; deriving a charge curve for each battery cell included in the module; calculating an additional dischargeable capacity of a second battery cell based on a pattern of the discharge curve of a first battery cell; calculating an additional chargeable capacity of the second battery cell based on the transition of the charge curve of the first battery cell; and calculating a capacity of the second battery cell based on the additional dischargeable capacity and the additional chargeable capacity of the second battery cell.

Abstract: The present invention may provide a motor including a shaft, a rotor coupled to the shaft, a stator disposed to correspond to the rotor, and a busbar disposed above the stator, wherein the stator includes a stator core and coils, the busbar includes a terminal connected to the coils, the terminal includes bodies and a plurality of connection ends which extend from the bodies and are in contact with end portions of the coils, a plurality of extension parts extending from the plurality of bodies are combined to constitute any one of the plurality of connection ends, and the plurality of extension parts are in contact with the same end portion of the coil.