Abstract: The present disclosure relates to a printed circuit board including: an insulating layer; a through-hole penetrating between an upper surface and a lower surface of the insulating layer opposing in a thickness direction; a metal wiring disposed inside the through-hole; and a metal via filling the through-hole and covering the metal wire.

Abstract: There are provided a method and a system for acquiring visual explanation information independent of the purpose, type, and structure of a visual intelligence model. The visual explanation information acquisition system of the visual intelligence model according to an embodiment may input N transformed images which are generated by diversifying an input image to a deep learning-based visual intelligence model and may acquire outputted results, may generate attributes of the visual intelligence model from the acquired results, may derive, from losses of the visual intelligence model which are calculated from the generated attributes, basic data for generating a visual explanation map for visually explaining a result derivation rationale of the visual intelligence model, and may generate a visual explanation map from the derived basic data.

Abstract: A coil component includes a coil component includes a body including a first surface and a second surface opposing each other in a first direction; a coil disposed in the body and including a plurality of coil layers; an insulating layer disposed in each of regions between the plurality of coil layers; an external electrode disposed on the first surface of the body; and a connection portion disposed in the body, connecting one of the plurality of coil layers to the external electrode, and having one surface in contact with the one of the plurality of coil layers and the other surface in contact with the external electrode. The connection portion includes a fusion portion disposed on an end thereof to be in contact with the one of the plurality of coil layers.

Abstract: Provided is a surgical device capable of performing a stable and precise operation and an operation method using the same. The surgical device according to an embodiment of the present invention includes a surgical instrument module, a dual parallelogram module connected to a rear side of the surgical instrument module and including a plurality of power transmission units, so that each power transmission unit performs motion driving with two degrees of freedom of pitch and roll driving, and a linear drive module that is linearly driven in one direction to transmit a linear driving force to the dual parallel program module.

Abstract: A lamination apparatus for a secondary battery, which thermally bonds an electrode assembly in which electrodes and separators are alternately stacked, the lamination apparatus comprising: a transfer member to transfer the electrode assembly; a support member to support each of top and bottom surfaces of the electrode assembly transferred by the transfer member; a heating member disposed outside the support member to heat the electrode assembly supported by the support member; and a moving member to move the heating member in a direction away from the electrode assembly. The moving member moves the heating member in the direction away from the electrode assembly to prevent the electrode assembly from being heated by the heating member when the transfer member is stopped.

Abstract: A steel for a gear includes, based on a total weight of the steel: C: 0.10-0.30 wt %, Si: 0.60-0.80 wt %, Mn: 0.25-0.75 wt %, Cr: 1.80-2.20 wt %, Ni: 0.50-1.50 wt %, Mo: 0.20-0.40 wt %, Nb: 0.025-0.050 wt %, V: 0.030-0.050 wt %, and a balance of Fe and inevitable impurities, wherein contents of Nb and V satisfy the following <Relationship Formula 1>: 0.055<[Nb]+[V]<0.100??<Relationship Formula 1>, wherein [Nb] represents a content of Nb and [V] represents a content of V.

Abstract: A display apparatus includes: a display panel; a data driver which applies a first data voltage to a first display area of the display panel during a first frame and applies a second data voltage to a second display area of the display panel during a second frame; and an emission driver which controls an emission of light on the first display area based on the first data voltage during the second frame and an emission of light on the second display area based on the second data voltage during a third frame. An area of a first visual image recognized to a user due to the emission of the light on the first display area is partially overlapped with an area of a second visual image recognized to the user due to the emission of the light on the second display area in a plan view.

Abstract: A three-dimensional (3D) memory structure includes a memory array formed on a side of a substrate, a far-back-end-of-line (FBEOL) structure formed on the memory array, and a back-end-of-line (BEOL) structure formed on another side of the substrate opposite the side on which the memory array and the BEOL structure are formed. Methodologies to fabricate the 3D memory structure are also disclosed and include forming the memory array on the substrate, forming the FBEOL on the memory array, flipping the substrate, and forming the BEOL on the opposite side of the substrate. Alternative 3D memory structures and fabrication methodologies are also disclosed.

Abstract: The present invention provides a polyimide film and a manufacturing method therefor, the polyimide film having a dielectric dissipation factor (Df) of 0.003 or less, a haze of 3.5% or less, a transmittance of 45% or greater, and a glass transition temperature (Tg) that is equal to or greater than 300° C. and is less than 320° C.

Abstract: Disclosed is a memory device which includes a memory cell array that includes a plurality of memory cells, and a peripheral circuit configured to perform a plurality of operations on the memory cell array by using a plurality of operating voltages. The peripheral circuit includes a voltage generating circuit including a first pump block, a second pump block, and a common pump block. The voltage generating circuit connects the first pump block and the common pump block in parallel to generate a first operating voltage among the plurality of operating voltages and connects the common pump block and the second pump block in series to generate a second operating voltage among the plurality of operating voltages. The common pump block is configurable to match the first pump block, the second pump block, or both, as needed.

Abstract: Disclosed is a mounting base 300 for attaching a portable electronic device 402 to a collar apparatus 400. Mounting base 300 includes a frame 102 and a latch 200. Latch 200 is moveable between a latched position and an unlatched position. Latch 200includes an actuator 206 with a button 208 that may be depressed by a user to manually move latch 200 between the latched and unlatched positions. A portable electronic device 402 includes an insertion portion 410 that is received in a receiving aperture 108 in the frame 102. Once the insertion portion 410 is inserted, the device 402 may be rotated manually to engage latch 200. During rotation, a lock stub 216 on latch 200engages a corresponding feature on insertion portion 410, thereby preventing counter-rotation of device 402. Additionally, one or more tabs 120 on frame 102 interfere with corresponding structure on insertion portion 410 to secure device 402 onto mounting base 300.

Abstract: A metaverse application places a first avatar of a first player at a first position and a second avatar of a second player at a second position in a virtual experience. The metaverse application determines a bias direction based on the first position and the second position. The metaverse application determines a bias offset based on the bias direction, the first position, and the second position. The metaverse application a camera position of a virtual camera in the virtual experience based on the bias offset. The metaverse application presents a field of view of a third player in cinematic mode based on the camera position of the virtual camera.

Abstract: A method of detecting atrial fibrillation includes receiving a photoplethysmogram (PPG) signal from a first sensor of a wearable device, detecting a heart rate from the PPG signal based on a window power spectrum analysis of the PPG signal, and detecting atrial fibrillation based on the heart rate.

Abstract: A coil component includes a body having a first surface, a second surface opposing the first surface in a first direction, and side surfaces connecting the first surface and the second surface to each other, a support member disposed in the body, a coil disposed on each of one surface of the support member and the other surface of the support member opposing the one surface in the first direction, including first and second lead-out portions respectively extending to a first side surface and a second side surface of the body opposing each other in a second direction, and a first dummy lead-out portion disposed on the other surface of the support member, and connected to the first lead-out portion. W2/W1 satisfies 0.3 or more and 0.8 or less, W1 is a width of the first lead-out portion, W2 is a width of the first dummy lead-out portion.

Abstract: A portable hood may include a base, a head, a column, and a fan. The head may introduce air thereinto and discharge the introduced air to the outside. The column may be coupled eccentrically to a side of the head in a horizontal direction. Further, the fan may be located inside of the head such that the fan is eccentric to the head toward the column.

Abstract: A portable hood may include a base, a head, a column, and a roll filter unit. The roll filter unit may include a purification filter installed in the head and discharged to an outside of the head after moving past a suction inlet. Accordingly, one of purification filters, for example, an oil mist filter, may be provided as a roll filter, so cleanliness, maintenance, and replacement of the filter is easy.

Abstract: A two-terminal atom-based switching device having a fast operating speed and high durability and a manufacturing method thereof are disclosed. It is possible to reduce a forming voltage during positive voltage forming by forming an oxygen vacancy percolation path through negative voltage forming, which is first forming, and forming high binding energy and low formation energy between oxygen vacancies and metal ions implanted through positive voltage forming which is second forming after the negative voltage forming. Further, since a significant amount of metal ions implanted into the insulating layer through negative voltage application switching after the positive voltage forming is removed, the volatility of the two-terminal atom-based switching device may be improved, and a stuck-on failure phenomenon in the durability may be prevented.

Abstract: A method of fabricating a semiconductor device is provided. The method includes: providing an interlayer dielectric layer with a trench on a substrate in a first substrate processing apparatus in a vacuum state; forming a first metal barrier in the trench while the substrate is in the first substrate processing apparatus; unloading the substrate from the first substrate processing apparatus and exposing the substrate to a non-vacuum environment; providing the substrate in a second substrate processing apparatus of a vacuum state; forming a second metal barrier in the trench in the second substrate processing apparatus; and forming a metal pattern to fill the trench.

Abstract: A pixel includes a driving switching element including a control electrode connected to a first node, a first electrode connected to a second node and a second electrode connected to a third node, a writing switching element including a control electrode receiving a writing gate signal, a first electrode receiving a data voltage and a second electrode connected to the second node, a compensation switching element including a control electrode receiving a compensation gate signal, a first electrode connected to the first node and a second electrode connected to the third node, a storage capacitor including a first electrode receiving a first power voltage and a second electrode connected to the first node, the light emitting element emitting a light based on a driving current flowing through the driving switching element. The writing gate signal is n-th stage gate signal. The compensation gate signal is (n+k)-th stage gate signal.

Abstract: An augmented reality (AR) system includes a data generator configured to generate three-dimensional (3D) data corresponding to a press mold product, and an AR terminal configured to convert the 3D data into AR data. The AR terminal includes a data inputter configured to receive the 3D data and display information corresponding to location information of each node of the 3D data. The AR terminal also includes a data processor configured to convert the 3D data into a form of polygon mesh according to a type of form information of the 3D data and generate AR data in a form of 3D virtual model through matching with the display information. The AR terminal additionally includes a data augmentation part configured to augment and match the AR data on a real product displayed on a camera image, and augment and display the display information for each node, through a user interface (UI).