Abstract: A metamaterial structure according to one embodiment of the present disclosure is formed in a metal pattern that allows microwave transmittance to approach the transmittance of air in a specific frequency band of microwaves. In this case, the metal pattern is provided in an electrically interconnected form to perform a heating function.

Abstract: An all-metal vivaldi antenna includes a ground plate, an antenna conductor that includes two radiators positioned on the ground plate and facing each other, a resonator that is formed by removing a portion of a connection part between the antenna conductor and the ground plate and shares one side with the ground plate, a tuning post that is formed in a column structure extending from the ground plate toward an inside of the resonator, and a tuning cap in a form extending therefrom.

Abstract: Disclosed herein is a food management system, a computing apparatus, and a refrigerator capable of dealing with frequent changes in a state of food stored in the refrigerator by tracking a state change of food in the refrigerator, without manual inputs from a user, and capable of expanding a service associated with food management, such as food purchase and capable of improving user convenience and accuracy of food management.

Abstract: A display device includes a substrate, a plurality of pixels disposed on the substrate, an encapsulation layer disposed above the plurality of pixels and comprising an organic encapsulation film, a dam structure disposed on the substrate and surrounding an outer boundary of the plurality of pixels, and crack detection lines comprising an output line disposed on the dam structure without overlapping with the organic encapsulation film, and an input line electrically connected to the output line and disposed on the organic encapsulation film.

Abstract: A blood flow measurement device according to various embodiments may be configured to irradiate light to a first position of a subject and a second position of the subject located in a first direction with respect to the first position, acquire intensities of the reflected light at the first position and the second position, determine a first value which is a difference between the intensities of the reflected light at the first position and the second position, irradiate light to a third position of the subject located in a second direction with respect to the second position, acquire an intensity of the reflected light at the third position, determine a second value which is a difference between the intensities of the reflected light at the second position and the third position, and determine a blood flow direction based on the first value and the second value.

Abstract: A frame structure for a purpose built vehicle (PBV) includes: an inner panel connected to the rear of a middle part of a side member to form an inner side of a rear part of the side member, a front outer panel connected to the rear of the middle part of the side member and coupled to an outer side of the inner panel to form a closed cross-section, a center outer panel connected to the rear of the front outer panel and coupled to the outer side of the inner panel to form a space in which a rear suspension member is coupled, and a rear outer panel connected to the rear of the center outer panel and coupled to the outer side of the inner panel to form a closed cross-section.

Abstract: An apparatus for training a reinforcement learning model according to an embodiment includes a starting point determinator configured to determine starting points from an input value of a combinatorial optimization problem, a multi-explorer configured to generate exploration trajectories by performing exploration from each of the starting points using a reinforcement learning model, a trajectory evaluator configured to calculate an evaluation value of each of the exploration trajectories using an evaluation function of the combinatorial optimization problem, a baseline calculator configured to calculate a baseline for the input value from the evaluation value of each exploration trajectory, an advantage calculator configured to calculate an advantage of each of the exploration trajectories using the evaluation value of each exploration trajectory and the baseline, and a parameter updater configured to update parameters of the reinforcement learning model by using the exploration trajectories and the advantage

Abstract: A semiconductor system includes a controller configured to transmit a command address and a plurality of read strobe signals, and a semiconductor device including a first rank and a second rank that are configured to receive the command address and the plurality of read strobe signals and to perform a write operation and a read operation based on the command address. In the semiconductor device, the first rank is configured to calibrate a termination resistance value of the first rank to a target resistance value when a write operation for the first rank is performed. In the semiconductor device, the first rank is configured to calibrate the termination resistance value of the first rank to a dynamic resistance value based on the plurality of read strobe signals when a write operation for the second rank is performed.

Abstract: A chamber cleaning method in accordance with an exemplary embodiment includes a chamber stabilizing process for transporting a substrate, on which a thin film deposition process has been completed, out of a chamber and processing an inside of the chamber, wherein the chamber stabilizing process includes: a cleaning process for injecting a cleaning gas into the chamber and etching and cleaning byproducts generated by the thin film deposition; and a coating process for injecting a gas including at least one among aluminum (Al), zirconium (Zr) or hafnium (Hf) into the chamber, and generating a protective film on an inner wall of the chamber and at least one surface of components installed inside the chamber.

Abstract: A blood pressure measuring apparatus according to an aspect of the present invention includes: a touch sensor; a pulse wave measurer configured to measure pulse waves from a user; a contact force measurer including at least three force sensors and configured to measure a contact force between the touch sensor and the user by using the at least three force sensors; a contact area measurer configured to measure a contact area between the user and the touch sensor; and a processor configured to determine a vertical direction error, which indicates a degree of deviation of a direction of force, applied by the user to press the touch sensor, from a vertical direction to a surface of the touch sensor based on sensor values sensed by the at least three force sensors, and estimate blood pressure according to a determination result of the vertical direction error based on the pulse waves, the contact force, and the contact area.

Abstract: The present invention relates to a series of novel pyrazolylmethylurea derivatives, and the use thereof for the inhibition of capsid assembly and the prevention or treatment of viral diseases through the inhibition.

Abstract: Provided is a locking apparatus, and more particularly, to a locking apparatus with improved locking performance as a locking unit is stuck between different members capable of moving relative to each other and in which locking is released as an unlocking unit pushes the locking unit.

Abstract: When a towing vehicle is driven while towing a towed vehicle having driving force, a controller of the towed vehicle determines wheel slip of the towing vehicle based on driving information of the towing vehicle and determines wheel slip of the towed vehicle based on driving information of the towed vehicle, and upon determining that wheel slip of the towing vehicle or the towed vehicle has occurred or upon determining that wheel slip of each of the towing vehicle and the towed vehicle has occurred, control to increase or decrease driving force of the towed vehicle or control to change the driving force distribution ratio between left and right wheels of the towed vehicle is performed, whereby it is possible to improve driving stability and rough road escape performance of the towing vehicle and the towed vehicle.

Abstract: An optical imaging system includes a first lens having a negative refractive power, a second lens, a third lens having a convex image-side surface, a fourth lens, a fifth lens having a negative refractive power, a sixth lens having a positive refractive power, and a seventh lens having a convex object-side surface. The first to seventh lenses are sequentially disposed from an object side, and TTL/IMH<1.2 is satisfied, where TTL is a distance on an optical axis from an object-side surface of the first lens to an image plane, and IMH is a height of the image plane.

Abstract: The present inventive concept comprises the steps of preparing a substrate on which a first conductive charge transport layer is formed; positioning a mask having an opening pattern on the substrate; and forming a perovskite layer on the substrate and the mask.

Abstract: Disclosed is an autonomous driving control apparatus. The autonomous driving control apparatus includes a sensor device, a driving device, a memory, and a control device. For example, the autonomous driving control apparatus identifies host vehicle information including at least one of a real-time weight of a host vehicle, gear information of the host vehicle, a driving speed of the host vehicle, or a combination of the real-time weight, the gear information, and the driving speed by using the sensor device, identifies required driving torque required to drive on a hill placed on a driving route of the host vehicle through the driving device by using the host vehicle information, and provides a user with route change information, or provides a transition request for control authority for the host vehicle if output available torque of the host vehicle is less than the required driving torque.

Abstract: An etching plasma processing apparatus including a consumable metal member is disclosed. The etching plasma processing apparatus includes a vacuum chamber, a substrate support member arranged inside the chamber, a gas supply member for injecting gas into the chamber, a consumable part arranged inside the chamber and generating a metallic byproduct containing ions or radicals of a first metal when plasma is generated inside the chamber, a first electrode for applying power to generate plasma inside the chamber, a second electrode facing the first electrode, and a power supply supplying power to the first and second electrodes.

Abstract: A quantum dot including a semiconductor nanocrystal core and a semiconductor nanocrystal shell disposed on the core and does not include cadmium, wherein the core includes a Group III-V compound, the quantum dot has a maximum photoluminescence peak in a green light wavelength region, a full width at half maximum (FWHM) of the maximum photoluminescence peak is less than about 50 nanometers (nm), and a difference between a wavelength of the maximum photoluminescence peak and a first absorption peak wavelength of the quantum dot is less than or equal to about 25 nanometers, and a production method thereof.

Abstract: Provided is a substrate processing apparatus. The positions of a first electrode and a second electrode are adjusted in advance in consideration of differences in coefficients of thermal expansion so that a short circuit created by contact between the first electrode and the second electrode is prevented even in the case in which the first electrode and the second electrode are thermally expanded during processing. Even in the case in which the first electrode and the second electrode are thermally expanded due to an increase in temperature during processing, a short circuit between the first electrode and the second electrode can be prevented, and the uniformity of a thin film can be maintained in the substrate processing apparatus for processing a large substrate.