Abstract: The present exemplary embodiments may provide a latent curing agent including an imidazole-based compound protected by a Diels-Alder reaction between a diene and a dienophile.

Abstract: A vacuum suction head may include a holder including a through hole formed therein, a suction pad surrounding at least a portion of a side surface of the holder, and a packing pad on a lower surface of the holder. The suction pad may protrude below a lower surface of the holder. The packing pad may include a cutout part. The cutout part may allow a space between the suction pad and the packing pad such that the space and the through hole may be in fluid communication with each other.

Abstract: A method according to an embodiment is for recovering a valuable metal from a waste electrode material of a lithium secondary battery by using lithium carbonate. An anode-cathode mixed electrode material that has been separated by draining, crushing, screening, and sorting a waste lithium secondary battery is preprocessed. A precipitation operation performed by adding lithium carbonate (Li2CO3) to a metal melt acquired by performing sulfuric acid dissolution using sulfuric acid. A valuable metal such as nickel, cobalt, manganese, aluminum, and copper is recovered as a residue in the form of a carbonate composite, and a lithium sulfate (Li2SO4) aqueous solution including lithium is recovered as a filtrate.

Abstract: A printed circuit board including a first insulating layer; a plurality of first circuit patterns respectively disposed on the first insulating layer; a second insulating layer disposed on the first insulating layer and covering a portion of a side surface of each of the plurality of first circuit patterns; and an insulator disposed between at least one pair of adjacent first circuit patterns, among the plurality of first circuit patterns, and integrated with the first insulating layer, and a method for manufacturing a printed circuit board, are provided.

Abstract: A substrate supporting plate that may prevent deposition on a rear surface of a substrate and may easily unload the substrate. The substrate supporting plate may include a substrate mounting portion and a peripheral portion surrounding the substrate mounting portion. An edge portion of a top surface of the substrate mounting portion may be anodized. A central portion of the top surface of the substrate mounting portion may not be anodized.

Abstract: The probe for hydrogen sulfide detection according to the present invention is represented by chemical formula 1 below.

Abstract: A semiconductor device includes a sensing voltage line disposed between a first circuit area and a second circuit area, and configured to transfer a sensing voltage detected in the second circuit area to the first circuit area; and a first internal voltage line disposed between the first circuit area and the second circuit area, configured to transfer an internal voltage, generated by a voltage driver of the first circuit area using the sensing voltage provided through the sensing voltage line, to the second circuit area and configured to shield the sensing voltage line.

Abstract: Disclosed is a method of producing an antioxidant that has excellent antioxidant ability and is well dispersed when applied to a membrane-electrode assembly (MEA). The method includes a step of preparing a powder including reduced metal oxide and a step of mixing the powder with a powdery ionomer to obtain an antioxidant in which the ionomer is bound to the surface of the reduced metal oxide.

Abstract: A systems and methods for tracking a position of an electrode. The system may include: a notching controller configured to store pitch information of a unit electrode and to acquire electrode coordinate information of the electrode in a roll-to-roll state during a notching process and a cell identification (ID) of the unit electrode; a calculator configured to calculate coordinates of the cell ID from the pitch information and the cell ID; a roll map generator configured to generate a roll map based on the electrode coordinate information transmitted from the notching controller; and a mapping part configured to compare the coordinates of the roll map with the coordinates of the cell ID to derive an electrode position of the electrode during the electrode manufacturing process from which the unit electrode originates.

Abstract: A drug administration management system according to an embodiment of the present disclosure may include a smart case configured to accommodate a drug administration device, display drug administration information including whether or not a drug is administered and a drug administration dose for each drug administration site input button based on an input of a user, and transmit the drug administration information externally; and a terminal configured to receive the externally transmitted drug administration information from the smart case, and monitor the drug administration information based on a drug administration plan input from a user.

Abstract: A route management method includes dividing an area into a plurality of main areas for delivering goods and receiving information where one of the plurality of main areas is set as a delivery area for delivery to a route management server, dividing, by the route management server, the delivery area into a plurality of sub-areas and transmitting information on one or more of the plurality of sub-areas to a user terminal owned by a user performing delivery, calculating, by the route management server, a parking/stop available location in which a vehicle of the user may be parked in the delivery area and transmitting the calculated parking/stop available location to the user terminal, and calculating, by the route management server, a delivery route for delivery in one or more of the plurality of sub-areas and transmitting the calculated delivery route to the user terminal.

Abstract: An apparatus for generating a roll map of a merge-wound electrode includes a position measurement device configured to acquire coordinate value data for a longitudinal position of an electrode according to an amount of rotation of the rewinder. The apparatus includes an input device configured to input an input signal indicating a start of merge-winding or an end of merge-winding, a seam detector configured to detect a seam, a reference point detector configured to detect a plurality of reference points of the merge-wound electrode, and a roll map generator configured to generate a roll map for simulating the merge-wound electrode moving in a roll-to-roll state based on the input signal of the input device, and to display the longitudinal coordinate values of the electrode, the electrode coordinate values of the seam, and the electrode coordinate values of the plurality of reference points of the merge-wound electrode on the roll map.

Abstract: A video transmission method according to embodiments comprises: a pre-processing step for processing video data; a step for encoding the video data; and/or a step for transmitting a bitstream including the video data. A video reception method according to embodiments comprises the steps of: receiving video data; decoding the video data; and/or rendering the video data.

Abstract: The present invention relates to a light irradiation apparatus including: a body part, base parts coupled to the body part, light irradiators coupled to the corresponding base part to irradiate light on a user's body, and position adjustors for adjusting the light irradiators in position and having one or more actuators controlled by a computing device, wherein the one or more actuators adjust the light irradiators in position so that the positions of the light irradiators correspond to the user's body on which the light is irradiated.

Abstract: A vehicle-to-everything (V2X) communication-based electronic toll collection system (ETCS) according to an embodiment of the present invention includes at least one roadside unit (RSU), a token issuer checking a de-identified token of a vehicle by communicating with an on-board unit (OBU) of the vehicle via the at least one roadside unit, and a clearing house communicating with the token issuer and charging a toll to a driver/owner of the vehicle. The token issuer generates toll information of the vehicle based on the de-identified token of the vehicle and location information of the at least one roadside unit involved in checking the de-identified token.

Abstract: A video decoding method and a video decoding apparatus are configured to decode video. To efficiently code residual blocks obtained from block-based motion compensation, a video encoding apparatus and the video decoding apparatus divide a relevant residual block of a current block into two subblocks in a horizontal or vertical direction and encode one residual subblock alone out of the two residual subblocks.

Abstract: A semiconductor memory device includes a first substrate including a first region and a second region, a stacked structure only on the first region of the first substrate among the first region and the second region of the first substrate, the stacked structure including word lines, an interlayer insulating film covering the stacked structure, a dummy conductive structure inside the interlayer insulating film, the dummy conductive structure extending through the stacked structure to contact the first substrate, and a plate contact plug inside the interlayer insulating film, the plate contact plug being connected to the second region of the first substrate, and a height of an upper surface of the dummy conductive structure being greater than a height of an upper surface of the plate contact plug relative to an upper surface of the first substrate.

Abstract: A power semiconductor device includes a silicon carbide (SiC) semiconductor layer, a first gate and a second gate buried in the semiconductor layer, a first base region positioned at least at one side of the first gate and having a first conductive type, a second base region positioned at least at one side of the second gate and a second conductive type, a first source region positioned at least at one side of the first gate to make contact with the first base region and the second base region and having the second conductive type, a second source region positioned at least at one side of the second gate to make contact with the first base region and the second base region and having the first conductive type, and a source electrode positioned over the semiconductor layer to make contact with the first source region and the second source region.

Abstract: A method of learning a neural network-based image compression model according to the disclosed embodiment, may include receiving a learning target image as an input; encoding the input image through the neural network-based image compression model configured to include a weight parameter, and decoding the encoded image through the neural network-based image compression model; calculating an entropy estimation value for a network model weight of the neural network-based image compression model; calculating a reconstruction performance value by comparing qualities of the learning target image and the decoded image; and learning the neural network-based image compression model by updating the weight parameter of the neural network-based image compression model based on the entropy estimation value for the network model weight and the reconstruction performance value. Accordingly, it is possible to minimize the size of the weight of the neural network-based image compression model.