Abstract: A vacuum pad may include a first layer, a top layer that at least partially forms a top surface of the vacuum pad, a plurality of holes extending through the top layer into an interior space located between at least a portion of the first layer and at least a portion of the top layer, an outlet tube in fluid communication with the interior space, a raised barrier that surrounds the plurality of holes, a plurality of dividers located in the interior space that extend along the first layer from a first end of the respective divider located adjacent to the outlet tube, and at least one spacer located in the interior space that has a different shape than the plurality of dividers. The vacuum pad may include at least one channel and at least one collection area located in the interior space.

Abstract: In a silicon carbide wafer in an embodiment, in the photoluminescence signal intensity spectrum obtained after irradiating a laser on one surface of the silicon carbide wafer, the number of peak signals having an intensity more than 1.2 times the average signal intensity of the spectrum is 1/cm2 or less.

Abstract: A negative electrode active material that includes an active material core that allows for the intercalation and deintercalation of lithium ions. The negative electrode active material also includes a plurality of conductive materials positioned on a surface of the active material core, a plurality of organic linkers each including a hydrophobic group and a polar functional group bonded to the hydrophobic group, and an elastic unit. The elastic unit includes an elastic moiety having two or more binding sites, and a functional group bonded to a binding site of the elastic moiety. The functional group reacts with the polar functional group of the organic linker, and one or more of the plurality of organic linkers are connected to the conductive materials through the hydrophobic groups of the organic linkers.

Abstract: A semiconductor device and a method of fabricating the same are provided. According to the present invention, a semiconductor device comprises an active region formed in a substrate, and including flat surfaces and hole-shaped recess portions; upper-level plugs disposed over the flat surfaces; a spacer disposed between the upper-level plugs and providing a trench exposing the hole-shaped recess portions; a lower-level plug filling the hole-shaped recess portions; and a buried conductive line disposed over the lower-level plug and partially filling the trench.

Abstract: A display panel includes: a base substrate; a thin film transistor layer on the base substrate and including: a lower metal layer configured to receive a low potential voltage; a pixel circuit including at least one transistor; and a sensor circuit electrically connected to the lower metal layer; and an element layer on the thin film transistor layer having a light emitting element including: a first pixel electrode electrically connected to the pixel circuit; a second pixel electrode configured to receive the low potential voltage; and a light receiving element electrically connected to the sensor circuit and configured to receive the low potential voltage from the lower metal layer.

Abstract: A method of improving a processing speed of a transaction in a blockchain network includes steps of loading data necessary for transaction processing in a bundle in advance onto the blockchain network according to a type of transaction presented by a client before execution of a smart contract, storing data to be stored in a bundle in the blockchain network according to a type of transaction to be processed after execution of the smart contract on the data loaded in the bundle, and performing bundled processing in units of blocks on the stored data without individually processing the transaction to be processed.

Abstract: A method and apparatus for generating late reverberation are provided. The method includes generating a reverberation parameter required to generate late reverberation based on an early room impulse response, outputting late reverberation based on the reverberation parameter, and outputting a room impulse response based on the early room impulse response and the late reverberation.

Abstract: An antenna structure according to an embodiment of the present disclosure includes a dielectric layer, and a plurality of antenna units arranged on a top surface of the dielectric layer. Each of the plurality of antenna units includes a radiator, a transmission line including a first transmission line and a second transmission line that extend in different directions to be connected to the radiator, an upper parasitic element adjacent to an upper portion of the radiator, and a lower parasitic element adjacent to a lower portion of the radiator and the transmission line. Feeding signals of different phases are applied to the first transmission line and the second transmission line.

Abstract: A turbine engine includes a rotor, a stator, and a seal assembly disposed between the rotor and the stator. The seal assembly includes seal segment. The seal segment includes a seal face that is configured to form a fluid bearing with the rotor. A lift channel extends within the seal segment from an opening on the seal face. The turbine engine further includes a spring assembly disposed within the lift channel. The spring assembly including a biasing element and a piston element coupled to the biasing element. The lift channel includes a lift volume portion extending is between the opening and the piston element. The piston element is movable within the lift channel based on a pressure within the fluid bearing to adjust a size of the lift volume portion.

Abstract: A method for training a medical image classification model using a multi-filter auto-augmentation includes training, by using a training dataset including raw medical image data, a plurality of first neural network models to classify medical image data into a predetermined class, in which the plurality of first neural network models have different neural network model structures, auto-augmenting the raw medical image data to generate medical image augmentation data, filtering data of the medical image augmentation data, which has a class probability of belonging to a class classified by each of the plurality of first neural network models, equal to or greater than a predetermined criterion, as effective augmentation data, and training, by using a training dataset including the effective augmentation data and the raw medical image data, a second neural network model to classify medical image data into a predetermined class.

Abstract: A method of uploading and managing a single data set larger than a maximum block size on a blockchain includes making a request to upload any data to the blockchain through a blockchain service, determining whether the data requested to be uploaded is larger than the maximum block size, defining any abstract storage space as one blockchain when the data requested to be uploaded is large-scale data larger than the maximum block size, dividing the large-scale data into a plurality of separate data sets and storing the plurality of separate data sets separately in the abstract storage space, making a request to download the large-scale data stored in a divided manner in the abstract storage space through the blockchain service, downloading the plurality of separate data sets separately stored in the abstract storage space and restoring the large-scale data, and providing the restored large-scale data to a user terminal.

Abstract: A display device may include photo sensors connected to a readout line. Each of the photo sensors may include: a light receiving element; a first sensor transistor configured to control current flowing to the readout line in response to a voltage of one electrode of the light receiving element; and a second sensor transistor electrically connected between the first sensor transistor and the readout line. The first sensor transistor may include a silicon semiconductor. The second sensor transistor may include an oxide semiconductor.

Abstract: Provided are an apparatus and a method for providing a service of issuing a media content token based on a blockchain, wherein the apparatus includes: an application installed in a user terminal, and configured to generate media content data, receive a user contract template corresponding to the media content data from a template factory server, generate a media content token, add an electronic signature to the media content token, and issue the media content token to which the electronic signature is added, to a blockchain network; and the template factory server configured to generate the user contract template corresponding to the media content data on the basis of a pre-stored standard contract template.

Abstract: Disclosed is a server. The server includes a camera, a memory configured to store an encrypted database generated based on a plurality of feature vectors corresponding to a plurality of users, and a processor configured to acquire an image obtained by capturing a target user's face using the camera and transform a feature vector acquired from the image based on transformation and identify the target user based on the transformed feature vector and the encrypted database. The encrypted database is generated by transforming the plurality of feature vectors based on the transformation and homomorphically encrypting the plurality of transformed feature vectors. The transformation transforms components of the feature vectors into 1, ?1, or 0 depending on magnitudes and signs of the components of the feature vectors.

Abstract: A scan driver for driving a plurality of pixels, the scan driver including: stages connected to each other through carry lines, a first stage among the stages includes: a first scan circuit configured to generate a first scan signal in response to a stage select signal, and apply the first scan signal to pixels of the same row among the plurality of pixels; and a second scan circuit electrically connected to the first scan circuit to generate a carry signal overlapping the first scan signal, and configured to provide a second scan signal to the pixels of the same row in response to the carry signal, and the carry signal is output as the stage select signal to a second stage among the stages through one of the carry lines.

Abstract: Provided is a parallel expansion method of a blockchain network using a smart contract-based multi-chain technique, the method including: a) assuming that any blockchain networks X and Y operating separately exist; b) generating, by validators of the blockchain network X, a node of the blockchain network Y, the node participating in the blockchain network Y; c) generating, by validators of the blockchain network Y, a node of the blockchain network X, the node participating in the blockchain network X; and d) defining the nodes respectively generated in the steps b) and c) as supervisor nodes, and processing a contract based on a status between the blockchain network X and the blockchain network Y. Furthermore, the method further includes proposing, by each of the validators, a decision on the contract on the basis of block data of the supervisor node of the counterpart network when the contract is processed in the step d), wherein the block data is owned by each of the validators.

Abstract: Disclosed is an electronic apparatus. The electronic apparatus includes: a memory storing a plurality of homomorphic encryptions and lookup table information; a communication apparatus configured to perform communication with an external apparatus; and a processor configured to retrieve the homomorphic encryption in response to a requested query, wherein the lookup table information stores data acquired by homomorphically encrypting keyword information and index information that respectively correspond to the plurality of homomorphic encryptions, and the processor is configured to retrieve the homomorphically encrypted index information by using received query information and the lookup table information in case of receiving the query information from the external apparatus, and control the communication apparatus to transmit the retrieved index homomorphic encryption to the electronic apparatus.

Abstract: Ultrasound imaging and therapy with the same array of capacitive micromachined ultrasonic transducers is provided. The electronics includes a per-pixel switch for each transducer element. The switches provide an imaging mode driven completely by on-chip electronics and a therapy mode where off-chip pulsers provide relatively high voltages to the transducer elements.

Abstract: The present disclosure is a high-speed molding device. According to the present invention, a product 14 may be manufactured by filling resin in a cavity 12 formed by a first mold 10 and a second mold. A gas generated during the filling of the cavity 12 with the resin may be discharged through a vent unit 20. The vent unit 20 has a first flow path 23 and a second flow path 33 to discharge the gas, while the resin is allowed to flow up to only the first flow path 23.

Abstract: A reflection module includes: a holder; and a reflective member mounted on the holder and including an incident surface, a reflective surface, and an emitting surface. The holder includes a cover portion covering a portion of the emitting surface. An area of the cover portion covering the emitting surface increases in a direction toward a lower portion of the emitting surface.