Abstract: A semiconductor device includes a substrate, a two-dimensional material layer on the substrate, the two-dimensional material layer extending in a first direction, a gate structure extending in a second direction intersecting the first direction, the gate structure on the two-dimensional material layer, and a source/drain contact on the substrate. The source/drain contact surrounds each opposing end of the two-dimensional material layer, the source/drain contact includes a first portion in contact with each opposing end of the two-dimensional material layer, the source/drain contact includes a second portion on the first portion, and the second portion has a larger aspect ratio than an aspect ratio of the first portion.

Abstract: There is provided a semiconductor device in which a shape of an isolation layer in a structure in which upper nanosheets are stacked on lower nanosheets is controlled to improve reliability of the device. The semiconductor device includes an active pattern on a substrate and extending in a first direction, lower nanosheets spaced apart from each other in a second direction intersecting the first direction and on the active pattern, an isolation layer on the lower nanosheets and spaced apart from the lower nanosheets in the second direction, upper nanosheets spaced apart from each other in the second direction and on the isolation layer, and a gate electrode on the substrate and surrounding each of the lower nanosheets, the isolation layer, and the upper nanosheets, wherein a sidewall of the isolation layer has a curved shape.

Abstract: A semiconductor memory device includes a substrate including cell and peripheral regions, a cell gate electrode disposed at the cell region, a bit line structure disposed at the cell region and including a cell conductive line and a cell line capping film disposed thereon, fin-type patterns disposed at the peripheral region, a peripheral gate electrode crossing the fin-type patterns, a peripheral gate separation pattern disposed on a sidewall of the peripheral gate electrode and having an upper surface higher than an upper surface of the peripheral gate electrode, and a peripheral interlayer insulating film covering the peripheral gate electrode, the peripheral gate separation pattern and a portion of a sidewall of the peripheral gate separation pattern. An upper surface of the peripheral interlayer insulating film and an uppermost surface of the cell line capping film are positioned at the same height relative to the substrate.

Abstract: A semiconductor device is provided. The semiconductor device includes: lower nanosheets; upper nanosheets on the lower nanosheets; gate electrodes on the substrate and provided around each of the nanosheets; a first lower source/drain region on a first side of the first and second gate electrodes; a second lower source/drain region on a second side of the first and second gate electrodes; a first upper source/drain region on the first lower source/drain region; and a second upper source/drain region on the second lower source/drain region. A first length of the second lower source/drain region is greater than a second length of the second upper source/drain region.

Abstract: Disclosed is a method and apparatus for real-time estimation of full parameters of a permanent magnet synchronous motor. According to this method and apparatus, it is possible to estimate in real time all four parameters of a permanent magnet synchronous motor without additional signal injection. In addition to the state equation, the “stator current ripple model” is additionally used to fundamentally solve the rank deficiency problem in the state equation without injecting additional signals. All four parameters of a permanent magnet synchronous motor can be estimated in real time.

Abstract: Disclosed is an apparatus and method for operating vehicular accessories during an engine stop using a one-way clutch pulley, the apparatus including the one-way clutch pulley configured to drive the vehicular accessories, and including a coupler and a one-way clutch. The one-way clutch pulley includes an engine crank shaft configured to connect to an engine of a vehicle; the coupler configured to couple with the engine crank shaft; the one-way clutch configured to couple with the coupler; and a pulley configured to connect to the one-way clutch, and the one-way clutch is configured to connect to the pulley and to rotate in one direction.

Abstract: A power control method and apparatus in consideration of a driving environment of a hybrid vehicle is provided. The method and apparatus for controlling a power of a hybrid vehicle enable real-time application while having adaptability to various driving environment. For a hybrid vehicle, the power control method and apparatus provide optimum fuel efficiency performance in any driving environment through power control considering the current driving environment in real time.

Abstract: Disclosed is a method and apparatus for removing LiDAR point cloud noise. This method removes in real time only the LiDAR point cloud noise acquired in snowfall and rain environments, leaving behind the environmental characteristics of the LiDAR point cloud. Accordingly, it is possible to maximize the utilization of the LiDAR.

Abstract: Disclosed is a method and apparatus for real-time estimation of full parameters of a permanent magnet synchronous motor. According to this method and apparatus, it is possible to estimate in real time all four parameters of a permanent magnet synchronous motor without additional signal injection. In addition to the state equation, the “stator current ripple model” is additionally used to fundamentally solve the rank deficiency problem in the state equation without injecting additional signals. All four parameters of a permanent magnet synchronous motor can be estimated in real time.

Abstract: Provided is a tactile sensation recognition device according to an embodiment of the disclosure including: a receiver configured to receive tactile sensation information obtained by sensing a surface of an object through a tactile sensor; a preference determiner configured to determine whether a user prefers the received tactile sensation information, based on a user tactile function fuser(x); and a display displaying a user preference for the received tactile sensation information.

Abstract: The present disclosure is an acryl film formed from a main dope solution including an acryl resin shown in the following formula 1 and CSR particles, and peel strength measured in peeling speed of 0.5 mpm is 20 gf/2 inch or less, tear strength is 6 gf or more, has excellent peel strength, thereby visual stain by thickness unevenness is improved, and having excellent tear strength and good brittleness. a and b are an integer and 1 or more. MMA-BMA wherein, MMA is methyl methacrylate unit and BMA is butyl methacrylate unit.

Abstract: Apparatus and system for controllably removing liquid from tofu with no or minimal cracking or deforming. An interior box contains tofu. Interior box is insertable and removable from exterior box. Interior box includes drain(s) for liquid removed from tofu, and resilient spacers on bottom to create space between bottoms of interior and exterior boxes for containing drained liquid and for cushioning tofu when pressed. A cover releasably attaches to top of nested boxes. Telescoping extender extends through cover into interior box. Extender is attached at one end to inside cover and attached at other end through a spring-loaded cap to a press plate. Extender has interior tier cylinder nested within exterior tier cylinder. Extender progressively telescopes interior cylinder out of exterior cylinder, and then telescopes exterior tier cylinder to extend press plate further into interior box to press tofu to release liquid. Spring-loaded cap on extender cushions pressure on tofu.

Abstract: Provided is a tactile sensation recognition device according to an embodiment of the disclosure including: a receiver configured to receive tactile sensation information obtained by sensing a surface of an object through a tactile sensor; a preference determiner configured to determine whether a user prefers the received tactile sensation information, based on a user tactile function fuser(x); and a display displaying a user preference for the received tactile sensation information.

Abstract: The present disclosure relates to a catalyst for dehydration of glycerin, a preparation method thereof, and a production method of acrolein using the catalyst. Particularly, the catalyst according to an embodiment of the present disclosure is used in a dehydration reaction of glycerin to exhibit high catalytic activity, a high yield, and high selectivity to acrolein and acrylic acid, and has a longer lifetime compared to the conventional catalysts due to a characteristic that coke carbon cannot be easily deposited on the surface of the catalyst.

Abstract: Disclosed is an apparatus and method for operating vehicular accessories during an engine stop using a one-way clutch pulley, the apparatus including the one-way clutch pulley configured to drive the vehicular accessories, and including a coupler and a one-way clutch. The one-way clutch pulley includes an engine crank shaft configured to connect to an engine of a vehicle; the coupler configured to couple with the engine crank shaft; the one-way clutch configured to couple with the coupler; and a pulley configured to connect to the one-way clutch, and the one-way clutch is configured to connect to the pulley and to rotate in one direction.

Abstract: The present invention relates to a synthesis method of N-substituted maleimides using a non-homogeneous solid acid catalyst, and particularly, a synthesis method of N-substituted maleimides with high synthesis yield by using a zirconium(IV) hydrogen phosphate as a catalyst, by which, the loss of the catalyst is minimized, the separation and recovering processes of the catalyst are simplified, in case when the activity of the separated and recovered catalyst is decreased, the complete regeneration of the catalyst is possible via washing or firing, and solvents that could be used during a washing process of the catalyst are not limited.

Abstract: A dual mode twisted string actuator using a clutch is provided. The twisted string actuator according to an exemplary embodiment of the present disclosure includes: a first actuator; a first coupler which is rotated by the first actuator; a shaft which is coupled to and interlocked with the first coupler; a second coupler which is selectively interlocked with the first coupler and comprises a plurality of string receiving portions; and a string which has one end fixed to the first coupler and the other end fixed to a moving body through the string receiving portions of the second coupler. Accordingly, it is possible to reduce the size of the existing large and heavy transmission system and to miniaturize and lighten the size of the entire drive system.

Abstract: A dehydration catalyst for preparing N-substituted maleimide, which may minimize formation of by-products, is reusable because its activity is not reduced significantly even after being reused several times, and may maintain its reaction activity for a long time, a preparation method thereof, and a method of preparing N-substituted maleimide, are provided.

Abstract: The present invention relates to a method for preparing acrylic acid from glycerin. More specifically, the present invention provides a method which can improve the selectivity of acrolein by applying a specific catalyst composition and process conditions to minimize the generation of coke carbon of the catalyst, and can prepare acrylic acid with higher productivity for a longer duration of time because a dehydration reaction can be performed for a longer working period while maintaining catalyst activity at a high level during the reaction.

Abstract: The present disclosure is an acryl film formed from a main dope solution including an acryl resin shown in the following formula 1 and CSR particles, and peel strength measured in peeling speed of 0.5 mpm is 20 gf/2 inch or less, tear strength is 6 gf or more, has excellent peel strength, thereby visual stain by thickness unevenness is improved, and having excellent tear strength and good brittleness. a and b are an integer and 1 or more. MMA-BMA wherein, MMA is methyl methacrylate unit and BMA is butyl methacrylate unit.