Abstract: The present disclosure may provide a metal-graphene composite having excellent mechanical properties.

Abstract: An embodiment luggage gap cover device for a rear seat of a vehicle is provided. The rear seat includes an interlocking frame connecting a seatback of the rear seat to a seat cushion for a dive operation, and the luggage gap cover device includes a foldable cover mat on a rear surface of the seatback configured to cover a gap between the seatback and a floor plate of a luggage compartment and a support protrusion on the interlocking frame, the support protrusion being configured to push and support the cover mat in a direction of covering the gap between the seatback and the floor plate.

Abstract: A semiconductor device structure and a method for manufacturing a semiconductor device. As a non-limiting example, various aspects of this disclosure provide a method for manufacturing a semiconductor device that comprises ordering and performing processing steps in a manner that prevents warpage deformation from occurring to a wafer and/or die due to mismatching thermal coefficients.

Abstract: A battery module includes a cell assembly including a plurality of battery cells, each battery cell including a body portion, a flange portion, and an electrode lead exposed in a first direction to the outside of the flange portion, a busbar coupled to the electrode lead, and a support plate disposed between the battery cell and the busbar and including a through-hole through which the electrode lead passes in the first direction, wherein the flange portion includes a sealing region, the through-portion includes a first region disposed closer to the busbar than the body portion and a second region disposed closer to the body portion than the busbar, and the first region is configured to cover 60% or more of a sealing length, which is a length of the sealing region, based on the first direction.

Abstract: A battery module in which the lifespan, displacement, voltage, capacity, etc. of each battery cell constituting the battery module are uniform according to one embodiment of the present disclosure may include: a module case forming an accommodating space; a plurality of battery cells disposed in the accommodating space; a first pad portion disposed between at least one pair of adjacent battery cells among the plurality of battery cells; and a second pad portion disposed between a side wall of the module case and a battery cell closest to the side wall of the module case, where the surface pressure applied by the first pad portion to an adjacent battery cell may be less than the surface pressure applied by the second pad portion to an adjacent battery cell.

Abstract: In a pop-up speaker control technology capable of reducing noise and vibration generated upon an operation of a pop-up speaker, the pop-up speaker control apparatus includes a driving module configured to pop up or down the pop-up speaker in response to control of an external device, and a processor operatively connected to the driving module and configured to control the driving module in response to a control from the external device, and the processor can control the driving module to operate the pop-up speaker nonlinearly.

Abstract: A method for manufacturing a semiconductor package, for example a package-on-package type semiconductor device package. As non-limiting examples, various aspects of this disclosure provide high-yield methods for manufacturing a package-on-package type semiconductor package, or a portion thereof.

Abstract: Provided is a sound processing method performed by a computer, the method comprising generating a DJ transform spectrogram indicating estimated pure-tone amplitudes for respective frequencies corresponding to natural frequencies of a plurality of springs and a plurality of time points by modeling an oscillation motion of the plurality of springs having different natural frequencies, with respect to an input sound, and calculating the estimated pure-tone amplitudes for the respective natural frequencies; calculating degrees of fundamental frequency suitability based on a moving average of the estimated pure-tone amplitudes or a moving standard deviation of the estimated pure-tone amplitudes with respect to each natural frequency of the DJ transform spectrogram; and extracting the fundamental frequency based on local maximum values of the degrees of fundamental frequency suitability for the respective natural frequencies at each of the plurality of time points.

Abstract: Proposed are a flow-through reactor for conversion of carbon dioxide and a method for conversion of carbon dioxide using the flow-through reactor. Carbon dioxide and a catholyte are separately supplied, and a reference electrode having a large volume is capable of being mounted on an electrolyte pocket without increasing resistance since a structure of the electrolyte pocket is improved.

Abstract: Embodiments of the present invention relate to a device for preventing contamination of a chamber window, which enables a PLD process to be performed for a long period of time without replacing the chamber window, by improving an existing technology, in which a deposition material is deposited on the chamber window, and thus, a process has to be stopped, and the maintenance has to be performed, in a pulsed laser deposition (PLD), which irradiates a thin film with pulsed laser to deposit the generated plume on a substrate.

Abstract: A device for preventing contamination of a chamber window is provided, which enables a PLD process to be performed for a long period of time without replacing the chamber window, by improving an existing technology, in which a deposition material is deposited on the chamber window, and thus, a process has to be stopped, and the maintenance has to be performed, in a pulsed laser deposition (PLD), which irradiates a thin film with pulsed laser to deposit the generated plume on a substrate.

Abstract: A technology related to a transmission device of an amplitude modulation method is disclosed. In the amplitude modulation transmission device, a transmission data signal transformed into a sinusoidal wave transition form is input to a signal input stage of a cascode power amplifier, and a transmission data signal transformed into another sinusoidal wave transition form is input to a bias power stage of the cascode power amplifier. The transmission data signal transformed into the sinusoidal wave transition form has a sinusoidal wave form in a section in which input data transitions and maintain its previous value in a section in which the input data is maintained.

Abstract: A method for manufacturing a semiconductor package, for example a package-on-package type semiconductor device package. As non-limiting examples, various aspects of this disclosure provide high-yield methods for manufacturing a package-on-package type semiconductor package, or a portion thereof.

Abstract: The present invention description relates to a technology for calibrating an assembly error in a laser range finder, and more specifically, to a software technology for calibrating an assembly error between a laser component and an optical component. According to one aspect of the proposed invention, in order to calibrate a difference between a position of a center of a captured image and a position of a laser point due to an assembly error, the laser point is positioned at a center of a preview screen image output on a display of a laser range finder.

Abstract: A seat adjustment apparatus for a vehicle includes a plurality of connection frames provided along two opposite sides of a seat frame and two opposite sides of a back frame and configured to move forward or rearward depending on a folding direction of the back frame, guide parts provided at middle points of the plurality of connection frames and configured to be moved upward or downward by forward or rearward movements of the connection frames, and a seat cushion pipe provided inside the two connection frames and configured such that front ends of the seat cushion pipe are connected to the guide parts, and a position of a rear end of the seat cushion pipe is adjusted upward or downward by upward or downward movements of the guide parts.

Abstract: A display device includes a light emitting element layer on a substrate, a light control layer on the light emitting element layer, the light control layer including a light-transmitting film and a light-shielding film, and a first alignment mark between the substrate and the light control layer, the light-transmitting film and the light-shielding film alternate with each other, the light control layer includes a light-shielding film removal area in which the light-shielding film is not disposed, and the light-shielding film removal area overlaps the first alignment mark.

Abstract: present disclosure A method for preparing a positive electrode active material capable of implementing a battery excellent in both initial capacity and lifespan properties includes (A) mixing a positive electrode active material precursor containing 80 mol % or greater of nickel (Ni) in all metals with a lithium-containing raw material, and then performing primary firing on the mixture to prepare a primary fired product, and (B) mixing the primary fired product and a nickel compound, and then performing secondary firing on the mixture to prepare a lithium transition metal oxide. The nickel compound is added such that the mol % of nickel contained in the nickel compound is greater than 0.01 mol % to less than 0.15 mol % based on the total number of moles of the metals contained in the positive electrode active material precursor.

Abstract: A grounding resistance and ground rod corrosion reducer that is capable of making use of montmorillonite, smectite, and vermiculite to apply antacid effect to acidified grounding environments, thereby decreasing a corrosion rate of a ground rod and providing an excellent grounding resistance reduction rate. The grounding resistance and ground rod corrosion reducer contains 50 to 75% by weight of a grounding resistance soil mixture made up of the montmorillonite, the smectite, and the vermiculite, 20 to 40% by weight of magnesium hydroxide, and 5 to 15% by weight of graphite, based on the total weight thereof.

Abstract: The present invention relates to a method for preparing a fuel cell catalyst electrode, which includes dispersing and mixing a first catalyst, a binder, and a first solvent to prepare a first catalyst slurry, heat-treating and pulverizing the first catalyst slurry to prepare a first catalyst powder, dispersing and mixing a second catalyst, a binder, and a second solvent to prepare a second catalyst slurry, heat-treating and pulverizing the second catalyst slurry to prepare a second catalyst powder, dispersing the first catalyst powder and the second catalyst powder in a third solvent to prepare a third catalyst slurry, and applying or transferring the third catalyst slurry onto a substrate to prepare an electrode having a catalyst layer formed therein.

Abstract: The present invention relates to a range finder which measures a distance to a target after properly setting a zoom magnification of a camera to aim at the target in a captured preview image on the basis of a distance calculated using the GPS method of a combination of a global positioning system (GPS) method and a laser method.