Abstract: This disclosure relates to a composition for catalyst-free electroless plating and a method for catalyst-free electroless plating using the same. More particularly, this disclosure relates to a composition for catalyst-free electroless plating and a method for catalyst-free electroless plating using the same that does not require a catalyst such as an expensive noble metal catalyst and may simplify the process.

Abstract: The present invention provides an anti-counterfeiting pattern processing apparatus and a method thereof that quickly process the anti-counterfeiting pattern with a low cost by forming a fine pattern of a nanometer or micrometer scale by using a laser processing system, and an apparatus and a method thereof detecting the anti-counterfeiting pattern of the micrometer or nanometer scale by using a laser measuring system.

Abstract: Disclosed is a chemically decomposable thermosetting resin composition for recycling a fiber-reinforced composite, including an epoxy resin, a multifunctional glycidyl-ester-based compound, an additive having a hydroxyl group on at least one of terminals of a main chain thereof, and an acid-anhydride-based curing agent, thus exhibiting excellent chemical decomposition performance in a basic solution and a high glass transition temperature. A method of dissolving the thermosetting resin composition is also provided. Thereby, a thermosetting composite material containing a thermosetting resin of the invention enables recycling of carbon fiber through hydrolysis, and thus the carbon fiber recycling industry and the recycled resin industry can be newly expanded. The thermosetting resin can be applied to fields using not only carbon composite materials but also general thermosetting resins, and can be hydrolyzed in a basic solution, which can significantly reduce landfill or disposal costs.

Abstract: The present disclosure relates to a production of a high-strength steel sheet with excellent combination of strength and ductility, and a method of manufacturing the same. In accordance with a method of manufacturing a high-strength steel sheet, the method may include: heating a steel sheet which can have a residual austenite upon cooling, to form an austenite; primary cooling the austenitized steel sheet to T1 for a bainite region and subjecting to a primary isothermal transformation; and secondary cooling the primary isothermal transformed steel sheet to T2, which is lower than T1 by 50° C. ore more, for a bainite region, and subjecting to a secondary isothermal transformation.

Abstract: Provided are a current collector for a battery, including: a base material; adhesive layers positioned on the base material; and metal mesh layers positioned on the adhesive layers, in which the metal mesh layer includes a plurality of metal mesh patterns, and holes positioned between the metal mesh patterns, and a method of manufacturing the same. An active material is applied onto the metal mesh layer through the holes of the metal mesh layer, and thus a contact area of the metal mesh layer and the active material is increased, so that it is possible to restrict the active material from being deintercalated from the current collector and improve a cycle lifespan property of a battery.

Abstract: A grain refiner for a magnesium alloy according to the present invention contains aluminum (Al) and manganese (Mn), and contains a compound of aluminum (Al) and manganese (Mn) in the microstructure thereof, wherein the grain refiner is composed of a structure in which, in the compound of aluminum (Al) and manganese (Mn), the area of the compound having an Al/Mn compositional (atomic) ratio of 4-4.5 is larger than the area of the compound having an Al/Mn compositional (atomic) ratio of 5.5-6.5. When the grain refiner is added to molten magnesium, crystal grains can be refined to 50-100 ?m.

Abstract: A device for lubrication and noise attenuation of a gear box includes: a case housing where a lubricant is provided in the bottom side thereof; a driving gear provided in the case housing and rotating by a driving torque of an engine; first and second driven gears engaged to lateral sides of the driving gear and rotating; and a third driven gear engaged to an upper side of the driving gear and rotating, wherein the case housing includes a lubrication plate provided in an inclined manner from an upper side of the first driven gear to one side of the third driven gear such that the lubricant drawn up by rotation torque of the first driven gear is churned to an inner surface of the lubrication plate and then dropped at the upper side of the first driven gear and one side of the third driven gear for lubrication.

Abstract: Provided is a method of manufacturing a grain-refined aluminum-zinc-magnesium-copper alloy sheet, including manufacturing an aluminum alloy sheet from an aluminum-zinc-magnesium-copper alloy melt by twin-roll strip casting, primarily rolling the aluminum alloy sheet manufactured in step 1, cold rolling the aluminum alloy sheet manufactured in step 2, and performing a heat treatment on the aluminum alloy sheet manufactured in step 3, thereby reducing processing time and cost by using twin-roll casting. Since grain refinement and homogenization of the sheet manufactured by the twin-roll casting are maximized by sequentially performing warm rolling, cold rolling, and a heat treatment on the sheet, elongation may be improved.

Abstract: A passive compliance gripper includes a passive compliance part, a displacement measuring element and a gripper mount. A first end of the passive compliance part is fixed, and a second end of the passive compliance part is configured to be transformed. The displacement measuring element is equipped to the passive compliance part, and measures displacement due to transformation of the passive compliance part. The gripper mount is connected to the second end of the passive compliance part, and has a gripper part gripping a component.

Abstract: Provided are a method of manufacturing an aluminum-zinc-based alloy sheet using twin-roll casting and an aluminum-zinc-based alloy sheet manufactured thereby. Specifically, a method of manufacturing an aluminum-zinc-based alloy sheet, including preparing a melt by melting elements corresponding to an aluminum alloy including 0.5 wt % to 10 wt % of zinc, inevitable impurities and aluminum as a balance (step 1); and twin-roll casting by introducing the melt prepared in step 1 between a pair of rotating cooling rolls (step 2), and an aluminum-zinc-based alloy sheet manufactured thereby are provided. The present invention may manufacture an aluminum-zinc-based alloy sheet, in which twin-roll casting is known to be difficult due to a wide solid-liquid coexistence region, by twin-roll casting by using cooling rolls having high thermal conductivity and controlling a reduction force by the rotational speed of the rolls.

Abstract: The present invention relates to a filter device for capturing a target cell and a target cell collecting method using the same. A filter substrate by which a target cell is captured is formed of an elastic material. When blood passes, the size of a lattice hole of the filter substrate by which the target cell is captured is reduced. When the blood completely passes, the size of the lattice hole of the filter substrate by which the target cell is captured is restored, so that a destruction rate of the target cell may be reduced and a collect rate of the target cell may be increased.

Abstract: The present invention relates to a circuit board including: a base board having a circuit region and a terminal region; a circuit pattern formed on an upper portion of the base board; and a low-melting-metal layer formed on an upper portion of the circuit pattern. A circuit board capable of reducing manufacturing time and manufacturing costs may be manufactured by omitting a photoresist process.

Abstract: A carbon dioxide conversion system is provided. The carbon dioxide conversion system includes: an ion transfer membrane that separates oxygen in the air; an oxy-fuel combustor that combusts using oxygen that is separated at the ion transfer membrane as an oxidizing agent; and a dry-reformer that converts carbon dioxide that is generated through an oxy-fuel combustion reaction of the oxy-fuel combustor and methane gas that is supplied from the outside to carbon monoxide and hydrogen by a dry-reforming reaction.

Abstract: A plasma selective catalytic reduction (SCR) system according to an exemplary embodiment of the present invention includes: an exhaust pipe connected to an engine to communicate exhaust gas; a plasma burner installed in a first bypass line connected to the exhaust pipe, and configured to supply fuel to discharged plasma and form flame; a urea solution injector installed in the first bypass line at a rear side of the plasma burner, and configured to inject a urea solution to exhaust gas heated by the flame and generate ammonia; and an SCR catalyst installed in the exhaust pipe at a rear side of the urea solution injector, and configured to reduce a nitrogen oxide included in the exhaust gas with the ammonia.

Abstract: The present invention relates to a casting mold for a metal sheet by drawing molten metal into a mold cavity and cooling the molten metal, and the casting mold according to the present invention includes: a support portion at an upper side on which molten metal is disposed or a solid metal is placed and melted; a mold cavity at a lower side in which the metal sheet is formed as the molten metal is drawn from the support portion while filling the mold cavity and cooled; and a passageway through which the molten metal is drawn into the mold cavity from the support portion, in which the mold cavity includes a first surface at the upper side which communicates with the passageway, and a second surface at the lower side which faces the first surface, a plurality of suction portions for drawing the molten metal are formed in the second surface and extended downward from the second surface, the suction portions are connected to a vacuum source and configured to draw the molten metal by suctioning air from the mold c

Abstract: There is provided a diagnosis device of a joint of sheet metal, including: a detector that irradiates an ultrasonic wave to a diagnosis object including a first medium and a second medium having a joint, and senses a reflection signal reflected from the joint and a reflection signal reflected from the joint and thereafter, reflected toward the joint on an inner surface of the first medium; a delay material positioned between the detector and the diagnosis object to delay the reflection signal; and a diagnoser that calculates and displays a signal ratio by receiving the reflection signals sensed by the detector.

Abstract: Disclosed is a (K,Na)NbO3 (abbreviated by “KNN”)-based single crystal ceramic. The KNN-based single crystal ceramic according to the present disclosure is formulated by (K0.5?x/2Na0.5?x/2?y?y/2Mx+y/2)Nb1?x/3+yO3, wherein M indicates a metal having a different valence from Na, and ? indicates a metal vacancy. The above formulated KNN-based single crystal ceramic allows compensating for the volatilization of Na in a growing grain due to the addition of M2+ ions, and substituting M2+ ions for Na+ ions to form metal vacancies, thereby making possible the single crystal growth.

Abstract: A nanoparticle separating apparatus that can separate nanoparticles from impurities in a nanoparticle dispersion, and a nanoparticle separating method using the same are disclosed. The nanoparticle separating apparatus according to an exemplary embodiment of the present invention includes: a body portion having an inlet hole into which a dispersion flows formed in one side thereof, an outlet hole through which the waste solution from which nanoparticles are separated flows formed in the other side, and a hollow channel formed between the inlet hole o and the outlet hole; a first electrode and a second electrode, each having a porous structure where a plurality of pores are formed, and at least one pair of the first and second electrodes being provided in the channel; and a power supply applying voltages, each having a different polarity, to the first electrode or to the second electrode.

Abstract: An apparatus for manufacturing a blade is provided. The apparatus for manufacturing a blade includes: an arm module including a pressing unit pivoting around a first shaft; a molding module including a molding die pressed by the pressing unit and molding bulk metallic glass (BMG) to a blade; and a drawing module pulling an end portion of the BMG exposed to the outside of the molding die to form an edge of the blade, wherein the drawing module includes a pair of drawing tools pulling one end portion of the BMG in two directions.

Abstract: An echographic apparatus includes a base frame, a driving part, an upper frame, a connecting frame, an echographic probe, a grasping part and a connecting part. The base frame has a first opening portion. The driving part is fixed to the base frame and generates a driving power. The upper frame has a second opening portion, and is disposed over the base frame. The connecting frame is fixed to an upper surface of the upper frame. The echographic probe makes contact with a body of a patient through the first opening portion to diagnose the patient. The grasping part is fixed to the connecting frame through the second opening portion, and grasps the echographic probe. The connecting part is connected between the driving part and the upper frame, and transfers the driving power of the driving part to change a position or a posture of the echographic probe.