Abstract: A series elastic actuator includes a first body, a motor, a pulley, a second body, a wire, a first adjuster, a second adjuster, a first spring, and a second spring. The wire is curved around a seat portion of the pulley, a first extending portion of the wire and the first adjuster are elastically supported with respect to the second body by the first spring, and the second extending portion of the wire and the second adjuster are elastically supported with respect to the second body by the second spring. When an external load is applied to the second body and relative rotation is generated between the pulley and the second body, a moment arm by the load is constant and the external load can be measured on the basis of the measured relative rotation angle and the spring constants of the first spring and the second spring.

Abstract: Provided is a solid electrolyte membrane including a porous frame including a metal or a polymer material, solid electrolyte particles covering both surfaces of the porous frame, and filling pores of the porous frame, and a binder between the solid electrolyte particles.

Abstract: A light emitting diode includes an n-type nitride semiconductor layer, a V-pit generation layer disposed on the n-type nitride semiconductor layer and having V-pits, an active layer disposed on the V-pit generation layer and including a first well region formed along a flat surface of the V-pit generation layer and a second well region formed in the V-pit of the V-pit generation layer, a p-type nitride semiconductor layer disposed on the active layer and a sub-emission layer interposed between the n-type nitride semiconductor layer and the p-type nitride semiconductor layer and disposed near the active layer. The sub-emission layer may emit light having a peak wavelength within a range of wavelengths shorter than a peak wavelength of the first well region, and light emitted from the light emitting diode is within a range of 0.205?X?0.495 and 0.265?Y?0.450 in CIE color coordinates (X, Y).

Abstract: The present disclosure relates to a shelf bracket and a refrigerator having the same. The shelf bracket includes a seating portion on which a shelf is seated, a mounting portion provided at a rear side of the seating portion, and a reinforcing portion integrally extending from the shelf bracket and folded to overlap at least one of the seating portion and the mounting portion, so that the strength of the shelf bracket is reinforced by the reinforcing portion.

Abstract: A semiconductor device includes: a first electrode; a second electrode; and a multi-layered stack including a hafnium oxide layer of a tetragonal crystal structure which is positioned between the first electrode and the second electrode, wherein the multi-layered stack includes: a seed layer for promoting tetragonal crystallization of the hafnium oxide layer and having a tetragonal crystal structure; and a booster layer for boosting a dielectric constant of the hafnium oxide layer.

Abstract: Provided is a compact-sized tape measure including a housing, a reel rotatably mounted in the housing, and a blade wound on an outer surface of the reel and drawn out through an inlet of the housing, in which the reel includes a spring providing a force for winding the blade and a bobbin providing an inner space receiving the spring and an outer space for winding and storing the blade, and a width of a spring receiving space capable of receiving the spring in the inner space is larger than a width of a blade receiving space capable of receiving the blade in the outer space.

Abstract: Equipment for manufacturing a separator plate for a fuel cell comprises: a press which receives a conveyed first metal strip and second metal strip, vertically arranges the metal strips side by side, and forms patterns on each of the first metal strip and the second metal strip; a welding machine which overlaps the first metal strip and the second metal strip conveyed from the press, and integrally joins the metal strips by welding same in a state in which the patterns are aligned face-to-face with each other; and guide rolls which are arranged in front of and behind the press and guide the first metal strip so that the first metal strip is supplied to the welding machine at an overlapping position with the second metal strip after passing through the press at a position spaced vertically apart from the second metal strip.

Abstract: The present invention relates to a heat exchanger and, specifically, to a heat exchanger comprising: a core portion in which cooling water is stored and flows; an upper reinforcing plate coupled to the upper end of the core portion, having an inlet pipe and an outlet pipe connected to the core portion, and having a joining portion for fixation; a lower reinforcing plate coupled to the lower end of the core portion; a first support portion which is coupled to one lengthwise side of the lower surface of the lower reinforcing plate and can absorb vibration; and a second support portion which is coupled to the other lengthwise side of the lower surface of the lower reinforcing plate and can absorb vibration, so that the core portion can be firmly coupled to a housing and the durability of the heat exchanger to vibration of a vehicle is improved.

Abstract: A light emitting device and a light emitting module having the same are provided. The light emitting module includes a circuit board and a plurality of light emitting units arranged on the circuit board. Each of the plurality of light emitting units includes a light emitting device. The plurality of light emitting units emits light of different colors from one another.

Abstract: A smart drilling system includes a terminal configured to map a design space to an actual space and having perforation location information in the design space, a drilling machine including a drill for perforation and configured to perform perforation in the actual space under control of the terminal based on the perforation location information, and a total station configured to acquire location information of a reference point in the actual space for mapping the design space to the actual space and location information of the drilling machine in the actual space, and to transmit the location information of the reference point in the actual space and the location information of the drilling machine to the terminal, wherein the terminal recognizes and displays a perforable region or a perforable point at a current position of the drilling machine.

Abstract: A tantalum capacitor includes: a tantalum body including tantalum, and having a tantalum wire in which a distance from a lower surface of the tantalum body is closer than a distance from an upper surface of the tantalum body; an insulating member on which the tantalum body is disposed; an encapsulation portion; an anode terminal including an upper anode and connected to the tantalum wire, a lower anode pattern, and an anode connection portion connecting the upper anode pattern and the lower anode pattern; and a cathode terminal including an upper cathode pattern and connected to the tantalum body, a lower cathode pattern disposed on a lower surface of the insulating member to be spaced apart from the lower anode pattern, and a cathode connection portion connecting the upper cathode pattern and the lower cathode pattern.

Abstract: Provided is a method for manufacturing a solid secondary battery, wherein the method includes forming a composite electrolyte film, and forming a positive electrode and a negative electrode respectively on both surfaces of the composite electrolyte film. The forming of a composite electrolyte film includes preparing inorganic ion conductor powder coated with an ion resistance layer, removing the ion resistance layer to expose the surface of the inorganic ion conductor powder, mixing the inorganic ion conductor powder with an organic ion conductor and a solvent to prepare a composite electrolyte solution, and removing the solvent from the composite electrolyte solution.

Abstract: Provided is a composite electrode for an all-solid-state secondary battery including a first active material and a second active material, wherein the first active material and the second active material include different materials from each other, and the content of the first active material is 50 vol % to 98 vol % based on the total volume of the first active material and the second active material, the first active material has a volume change rate of 0 vol % to 30 vol % according to volume expansion/contraction during a charging/discharging process, and the second active material has a volume change rate of 35 vol % to 1000 vol % according to volume expansion/contraction during a charging/discharging process.

Abstract: Provided is a method of preparing a coating composition for a separator of a secondary battery, and particularly a method including dispersing a first monomer and a surfactant in a solvent to form micelles, adding a first initiator to the solvent and performing first polymerization reaction to form a precursor solution including an emulsion-type binder, and adding a second monomer and a second initiator to the precursor solution and performing second polymerization reaction to form an aqueous binder solution including a solution-type binder, wherein the emulsion-type binder has a core shape, the solution-type binder has a shell shape wrapping the emulsion-type binder, and the emulsion-type binder and the solution-type binder are chemically bonded.

Abstract: A connector assembly includes a first signal pin formed to be in contact with a signal line of a circuit board; a first insulator surrounding the first signal pin; and a first housing accommodating the first signal pin and the first insulator and having a hole at a rear thereof corresponding to the first signal pin, wherein the first housing includes at least one clamping arm disposed on at least one side of the hole, protruding to a rear of the first housing, and having a lower surface formed to be in contact with an upper surface of the circuit board and the connector assembly further includes a ground plate disposed below the clamping arm and having an upper surface formed to be in contact with a lower surface of the circuit board; a clamping plate movably disposed below the ground plate; and a fastening member.

Abstract: Provided is a method of manufacturing a secondary battery separator including dissolving a polymer binder in water to prepare an aqueous binder solution, dispersing particles in the aqueous binder solution to prepare an aqueous slurry, and preparing a separator substrate, and applying the aqueous slurry on an upper surface and a lower surface of the separator substrate to form an aqueous slurry coating layer, wherein the separator substrate includes a hydrophobic material, the polymer binder is water-soluble, and the aqueous slurry has a viscosity of about 100 cP to about 6000 cP.

Abstract: A smart drilling system includes a terminal configured to map a design space to an actual space and having perforation location information in the design space, a drilling machine including a drill for perforation and configured to perform perforation in the actual space under control of the terminal based on the perforation location information, and a total station configured to acquire location information of a reference point in the actual space for mapping the design space to the actual space and location information of the drilling machine in the actual space, and to transmit the location information of the reference point in the actual space and the location information of the drilling machine to the terminal, wherein the terminal recognizes and displays a perforable region or a perforable point at a current position of the drilling machine.

Abstract: Provided are magnetic immunoparticles and use thereof, specifically, magnetic immunoparticles including a cell membrane capable of capturing a pathogenic material and magnetic particles attached to the cell membrane, a method of detecting pathogenic materials using the magnetic immunoparticles, and a method of diagnosing and treating an infectious disease using the magnetic immunoparticles. The magnetic immunoparticles according to an aspect may include cell membranes capable of capturing pathogenic materials, and thus may minimize side effects in vivo, and may detect various kinds of pathogenic materials due to characteristics of the cells from which the cell membranes are derived. Further, since the magnetic immunoparticles include magnetic particles, the magnetic immunoparticles may be easily separated by applying a magnetic field, and thus pathogenic materials may be more effectively detected and removed.

Abstract: The present invention relates to a nanoparticle for oral gene delivery, which is a novel oral gene delivery system capable of regulating blood glucose levels in biological systems and insulin secretion in response to ingested meals. More specifically, the present invention relates to a nanoparticle for gene delivery, comprising: an ionic polymer conjugated with bile acid or a bile acid derivative; and a gene; and to a pharmaceutical composition comprising the same.

Abstract: A series elastic actuator includes a first body, a motor, a pulley, a second body, a wire, a first adjuster, a second adjuster, a first spring, and a second spring. The wire is curved around a seat portion of the pulley, a first extending portion of the wire and the first adjuster are elastically supported with respect to the second body by the first spring, and the second extending portion of the wire and the second adjuster are elastically supported with respect to the second body by the second spring. When an external load is applied to the second body and relative rotation is generated between the pulley and the second body, a moment arm by the load is constant and the external load can be measured on the basis of the measured relative rotation angle and the spring constants of the first spring and the second spring.