Abstract: Disclosed are a method and apparatus for generating identification information for a virtual space that are capable of supporting users in searching for a virtual space. The method of generating identification information for a virtual space includes: setting a plurality of crawling points for each crawling area in a three-dimensional virtual grid shape for a virtual space; collecting at least one of a street view image and an aerial view image in a preset direction at the crawling point; and generating a spatial descriptor for each of the crawling points from the collected image.

Abstract: The present inventive concept provides a solar cell and a method for manufacturing the solar cell. The solar cell comprises a solar cell layer on a substrate and an encapsulation layer provided on the solar cell layer. The encapsulation layer comprises a metal oxide doped with a dopant material or a metal oxynitride doped with a dopant material; and the metal oxide or the metal oxynitride comprises at least one metal selected from the group consisting of W, Nb, and Sn.

Abstract: A dust collecting apparatus for an electric precipitator, capable of adsorbing and filtering fine dust contained in air in an air ventilation apparatus such as an air conditioner or an air purifier and, more specifically, to a dust collecting apparatus for an electric precipitator which is capable of improving manufacturability and dust collection performance because the dust collecting apparatus comprises a first connection unit that is continuously provided on one side of a plurality of first dust collection plates, and is capable of improving assemblability because a first dust collection unit and a second dust collection unit can be assembled at accurate positions in a first case and a second case, respectively.

Abstract: A pattern nesting method according to one embodiment may comprise the steps of: generating a pattern pair in which the location relationship between at least two patterns is determined so that relative locations of at least two patterns from among a plurality of patterns satisfy predetermined conditions; clustering the plurality of patterns on the basis of size information about each of the plurality of patterns; and nesting, on the basis of the pattern pair and a genetic algorithm, onto a fabric, at least one pattern included in each of the plurality of clusters generated on the basis of the clustering result.

Abstract: A memory device including: a first stack structure including conductive layers stacked along a first direction, the first stack structure having a stepped structure defined by end portions of the conductive layers; contact plugs respectively connected to the conductive layers, the contact plugs extending along the first direction, the contact plugs extending to the inside of the first stack structure; and dummy layers located between the contact plugs.

Abstract: In accordance with an aspect of the present disclosure, there is a server for generating a question on the basis of artificial intelligence (AI). The server includes a memory configured to store at least one instruction; and a processor. When the at least one instruction is executed by the processor, the server acquires answer sentences given by an interviewee for an interviewer's interview questions about a job that the interviewee applies for, evaluates each of a plurality of evaluation items required for evaluating suitability for the job on the basis of the acquired answer sentences; selects an additional item to be additionally evaluated from among the plurality of evaluation items on the basis of the evaluation, and generates a tail question on the basis of at least one of the selected additional item, the interview questions, and the acquired answer sentences and provides the tail question to the interviewee.

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: A semiconductor design automation system comprises a simulator configured to generate simulation data, a recovery module configured to correct a sampling error of the simulation data to generate recovery simulation data, a hardware data module configured to generate real data, a preprocessing module configured to preprocess the real data to generate preprocessed real data, a database configured to store the recovery simulation data and the preprocessed real data, a first graphic user interface including an automatic simulation generator configured to generate a machine learning model of the recovery simulation data and the preprocessed real data and generate predicted real data therefrom, and a second graphic user interface including a visualization unit configured to generate a visualized virtualization process result from the machine learning model.

Abstract: There are provided a semiconductor device and a manufacturing method of the semiconductor device. The semiconductor device includes: a substrate including a chip guard region; a stress relief pattern spaced apart from the substrate and disposed over the chip guard region; a dummy stack structure formed on the stress relief pattern; a conductive contact plug extending downwardly while penetrating the stress relief pattern; and a chip guard pattern in direct contact with the conductive contact plug while penetrating the dummy stack structure.

Abstract: A memory device includes: a stack structure; first support structures penetrating the stack structure, the first support structures being spaced apart from each other in a first direction; a first protrusion pattern penetrating the stack structure, the first protrusion pattern being spaced apart from one of the first support structures in a second direction; a first outer support structure penetrating the stack structure, the first outer support structure extending along the first direction from the first protrusion pattern; and a central support structure penetrating the stack structure, the central support structure extending in the second direction in a region between the first support structures, the central support structure being in contact with the first outer support structure.

Abstract: A silicone rubber molded body (10) has an article contact surface (11). The article contact surface (11) has a coefficient of rolling resistance lowered by a fluorination treatment on the article contact surface (11).

Abstract: The present invention relates to an electrification unit and an electrostatic precipitator comprising same. The electrification unit includes: an electrification frame having a through-hole formed to pass through both surfaces thereof in a direction in which air including dust particles flows; a counter electrode coupled to the electrification frame; and a discharge electrode coupled to the electrification frame and causing corona discharge with respect to the counter electrode, wherein a catalyst layer capable of decomposing or removing ozone is coated on a surface of the counter electrode to decompose, reduce and remove ozone generated by corona discharge, and decompose and remove harmful gas.

Abstract: The present inventive concept relates to a method of manufacturing a tandem solar cell, the method including: a step of preparing a perovskite solar cell, including a first conductive charge transporting layer, a light absorption layer, and a second conductive charge transporting layer, on a substrate; a step of forming a partition part in the perovskite solar cell to form a first perovskite unit solar cell and a second perovskite unit solar cell; a step of forming a contact part in the first perovskite unit solar cell to expose a certain region of the first perovskite unit solar cell; a step of forming a buffer layer in a top surface of each of the first perovskite unit solar cell and the second perovskite unit solar cell; a step of preparing a plurality of second solar cells; a step of bonding the plurality of second solar cells to the buffer layer to form a first unit tandem solar cell where the first perovskite unit solar cell, the buffer layer, and the second solar cell are sequentially stacked and a sec

Abstract: The present disclosure relates to the brake device of the power swivel seat that ensures to have no clearance in the rotational direction during operation of the swivel seat, resulting in improved stability of the operation, and minimized generation of operating noise. Disclosed is a brake device of a power swivel seat including: a brake ring connected to a swivel fixing part; a brake wedge connected to a swivel rotating part; a brake roller and a brake spring installed in a wedge space formed between an inner circumferential surface of the brake ring and an outer circumferential surface of the brake wedge; and an unlocking block installed to rotate the brake wedge in a direction allowing to release lock caused by the brake roller in the wedge space.

Abstract: The present disclosure relates to semiconductor device. One example semiconductor device includes a plurality of unit pixels, where each unit pixel of the plurality of unit pixels includes a pair of transfer gates including a first transfer gate and a second transfer gate, a photoelectric converter, and a floating diffusion region spaced apart from the photoelectric converter. The first transfer gate and the second transfer gate are disposed asymmetrically with respect to the photoelectric converter and the floating diffusion region.

Abstract: An image sensor that includes a substrate including a photoelectric conversion region, a semiconductor pattern on the substrate, a gate electrode on the semiconductor pattern, and a gate insulating layer between the semiconductor pattern and the gate electrode. The semiconductor pattern includes a first sub pattern including a first source/drain region, a second sub pattern including a second source/drain region, and a third sub pattern between the first sub pattern and the second sub pattern. The gate electrode is on the third sub pattern. The first sub pattern, the second sub pattern, and the third sub pattern extend along different directions.

Abstract: The present technology includes a memory device and a method of manufacturing the memory device. The memory device includes source contacts passing through a stack structure stacked on a source line, first supports passing through the stack structure between the source contacts, second supports passing through the stack structure between the first supports and the source contacts, and an auxiliary pattern passing through a portion of the stack structure between the first supports. The source contacts, and the first and second supports contact the source line, and the auxiliary pattern is spaced apart from the source line.

Abstract: A memory device includes a first outer support structure extending along a first direction. The memory device also includes a first protrusion pattern extending along the first direction, the first protrusion pattern being in contact with an end of the first outer support structure. The memory device further includes a connection support structure spaced apart from the first protrusion pattern along a second direction perpendicular to the first direction. The memory device additionally includes a first oblique support structure connecting the connection support structure and the first outer support structure to each other in an oblique direction to the first and second directions.

Abstract: A height adjustment device and a swivel device for a vehicle seat are configured to adjust seat height and swivel the vehicle seat. The height adjustment device includes a first reduction gear device disposed at a bottom of the vehicle seat and configured to increase output torque of a first motor and a lifting device engaged with the first reduction gear device and configured to move the seat upwards or downwards, and the swivel device includes a motor driving unit disposed at a bottom of the height adjustment device and a second reduction gear device configured to increase output torque of the motor driving unit, thereby making it possible not only to selectively perform seat height adjustment and swivel operation, but also to perform a monopost function of the seat in a state in which the height adjustment device and the swivel device are stacked in a vertical direction.

Abstract: A power swivel device for a vehicle seat is configured to perform both swivel and monopost functions of the vehicle seat. The power swivel device includes a motor configured to swivel the seat and a reduction gear device configured to increase output torque of the motor, which are stacked in a vertical direction on a bottom of the seat. The power swivel device includes a lower housing; an upper housing stacked on and assembled to the lower housing; an eccentric shaft rotatably disposed relative to the lower housing and the upper housing; a motor driving unit mounted between the lower housing and the eccentric shaft; the reduction gear device installed between the upper housing and the eccentric shaft; and a swivel plate rotatably mounted on the reduction gear device and connected to a seat cushion frame.