Abstract: The present invention provides an apparatus for manufacturing a secondary battery, which includes a pressing part configured to press a stack in which electrodes and separators are alternately disposed, wherein the pressing part includes: a main pressing part configured to press an entire surface of the stack; and a sub pressing part including a drum part configured to press a partial surface of the stack, on which an edge part of an electrode active material layer provided on each of the electrodes is disposed, on the entire surface, wherein the drum part includes: a body part having a rotational shaft; and an elastic part provided on an outer circumferential surface of the body part and configured to press the partial surface of the stack.

Abstract: The present disclosure relates to a healable superplastic amorphous alloy, and specifically, to a healable superplastic amorphous alloy capable of exhibiting superplastic behavior and unique healable behavior by maximizing the complexity of the amorphous structure for an Icosahedral quenched-in nuclei quasi-crystal cluster to be formed in the amorphous matrix through the composition limitation and additive element control of Zr—Cu—Ni—Al alloy.

Abstract: A multilayer capacitor includes a body including a multilayer structure in which a plurality of dielectric layers are stacked in a first direction and a plurality of internal electrodes stacked with the dielectric layer interposed therebetween and external electrodes formed outside the body and connected to the internal electrodes. The body includes an active portion and a side margin portion covering the active portion and opposing each other in a second direction, and 1<A2/M1?1.5 and A2<A1 in which A1 is an average grain size of the dielectric layers in a central region of the active portion, A2 is an average grain size of the dielectric layers at an active boundary part of the active portion adjacent to the side margin portion, and M1 is an average grain size of the dielectric layers in a central region of the side margin portion.

Abstract: A multilayer electronic component includes a body including a plurality of dielectric layers, side margin portions disposed on the body, and external electrodes disposed on the body. The reliability of the multilayer electronic component is improved by controlling the contents of Si for each position of the dielectric layer and the side margin portion.

Abstract: A method for manufacturing a multi-layer circuit board including an extreme fine via according to an embodiment of the disclosure may include: providing a board having one surface on at least a part of which an upper conductive layer is formed and the other surface on at least a part of which a lower conductive layer is formed; forming a lower metal layer on the other surface of the board; forming a first resist layer on the one surface of the board through a photolithography process, and forming a first opening on the first resist layer; forming a metal pillar by plating the first opening by using an electrolytic plating method; removing the first resist layer; forming an insulating layer on a location from which the first resist layer is removed; and evenly polishing the metal pillar and the insulating layer.

Abstract: A circuit board including an adhesive part, a ceramic board part with the adhesive part, and a printed circuit board part with the adhesive part. The ceramic board and printed circuit board parts are made of different materials. The adhesive part includes: an adhesive layer including an adhesive material, an adhesive part opening, and a conductive paste filled in an inside of the adhesive part opening. A method including providing a ceramic board part, providing a printed circuit board part, and producing an adhesive part. Batch-bonding the printed circuit board part, the adhesive part, and the ceramic board part with one another. Producing the adhesive part includes: bonding a protection layer on two surfaces of an adhesive layer, forming an adhesive part opening penetrating the adhesive layer and the protection layer, filling the adhesive part opening with a conductive paste, and removing the protection layer.

Abstract: A phimosiectomy shield can be firmly fixed to a human body to be able to stably protect an operated part after phimosiectomy, reduces pain in the operated part by stably preventing pressure and friction on the operated part, and helps an operated part to quickly recover by stably preventing bacterial infection due to contact. The phimosiectomy shield includes a protective part surrounding a penis to protect an operated part due to phimosiectomy and an attachment part extending from the protective part to be attached to a human body, in which a hole for inserting a penis is formed at the center of a lower portion of the attachment part.

Abstract: The present invention relates to a medical chair backrest sliding structure and, more specifically, to a medical chair backrest sliding structure, which allows a sensitive procedure such as plastic surgery to be carried out stably by enabling the backrest to move, when adjusting the angle of a backrest, in the vertical direction, in a state in which the backrest makes contact with the back of a patient, such that even if the angle of the backrest is adjusted the movement of the patient is prevented.

Abstract: A phimosiectomy shield can be firmly fixed to a human body to be able to stably protect an operated part after phimosiectomy, reduces pain in the operated part by stably preventing pressure and friction on the operated part, and helps an operated part to quickly recover by stably preventing bacterial infection due to contact. The phimosiectomy shield includes a protective part surrounding a penis to protect an operated part due to phimosiectomy and an attachment part extending from the protective part to be attached to a human body, in which a hole for inserting a penis is formed at the center of a lower portion of the attachment part.

Abstract: A process of continuous production for polyester, comprising continuously supplying an esterification or transesterification product comprising ester oligomers with an acid value of less than 100 meq/kg to a liquid phase polymerization reactor, wherein the esterification or transesterification product is produced by esterification or transesterification of a polycarboxylic acid or an alkyl ester thereof and a polyhydric alcohol; and performing a liquid-phase polymerization at a temperature of 200 to 270° C. and at a pressure of 0 to 5 torr in a liquid-phase polymerization reactor to produce the polyester with an intrinsic viscosity of 0.4 dl/g or higher.

Abstract: Disclosed are a polyoxymethylene resin composition and a molded product including the same, wherein the polyoxymethylene resin composition includes a polyoxymethylene resin; and, based on 100 parts by weight of the polyoxymethylene resin, 0.01 to 0.5 parts by weight of alkaline earth metal hydroxide, 0.01 to 1 parts by weight of porous organic/inorganic hybrid silicate, 0.01 to 1 parts by weight of LDPE (Low Density Polyethylene), and 0.02 to 0.5 parts by weight of polyhydric alcohol fatty acid ester, thereby exhibiting improved thermal stability and mold deposit resistance of a molded product while retaining the inherent properties of polyoxymethylene resin, such as mechanical strength and impact resistance.

Abstract: The present invention relates to a poly-ether-ester elastomer resin composition and elastic monofilaments prepared therefrom, and more specifically to a thermoplastic poly-ether-ester elastomer resin composition and elastic monofilaments prepared therefrom, wherein the thermoplastic poly-ether-ester elastomer resin composition is prepared from a poly-ether-ester block copolymer, a heat stabilizer, a UV absorber, a hindered amine light stabilizer, and porous silica, thereby ensuring excellent perceived quality, spinnability and weavability.

Abstract: A process of continuous production for polyester, comprising continuously supplying an esterification or transesterification product comprising ester oligomers with an acid value of less than 100 meq/kg to a liquid phase polymerization reactor, wherein the esterification or transesterification product is produced by esterification or transesterification of a polycarboxylic acid or an alkyl ester thereof and a polyhydric alcohol; and performing a liquid-phase polymerization at a temperature of 200 to 270° C. and at a pressure of 0 to 5 torr in a liquid-phase polymerization reactor to produce the polyester with an intrinsic viscosity of 0.4 dl/g or higher.

Abstract: The present invention relates to an electric vehicle and to a method for controlling the speed thereof, wherein the degree of acceleration of the electric vehicle is controlled based on the rate of change in an accelerator or a brake during the operation of the electric vehicle, thereby more quickly increasing the speed during accelerating conditions and more quickly reducing the speed during decelerating conditions, thus enabling a driver to drive the vehicle in a more convenient manner.

Abstract: The present invention relates to a poly-ether-ester elastomer resin composition and elastic monofilaments prepared therefrom, and more specifically to a thermoplastic poly-ether-ester elastomer resin composition and elastic monofilaments prepared therefrom, wherein the thermoplastic poly-ether-ester elastomer resin composition is prepared from a poly-ether-ester block copolymer, a heat stabilizer, a UV absorber, a hindered amine light stabilizer, and porous silica, thereby ensuring excellent perceived quality, spinnability and weavability.

Abstract: Disclosed is a polyetherester thermoplastic elastomer resin composition with excellent Hex-elasticity and durability, which comprises 10 to 70% by weight of low hardness polyetherester block copolymer having shore-hardness not more than 40D, 55 to 15% by weight of high hardness polyetherester block copolymer having shore-hardness not less than 50D and 35 to 15% by weight of polybutylene terephthalate, and having flex-elasticity in the range of 2,500 to 4,600 kgf/cm2. The polyetherester thermoplastic elastomer resin composition of the present invention has excellent durability, processing workability, formability and scratch-resistance, as well as satisfactory flexibility and mechanical properties, especially, flex-elasticity. Additionally, the polyetherester thermoplastic elastomer resin composition of the present invention has advantages such as excellent deploying property and horn workability when it is employed in production of covers for air bags of automobiles.

Abstract: A polyamide resin composition for microcellular foaming injection molding relates to a polyamide resin composition including a polyamide resin, a glass fiber, a mineral, and sulfonamide-based or dicarboxylic acid-based plasticizer. The resin enables a decrease in the weight of the manufactured goods and improved surface properties without showing any defect, such as surface sink and flowmark, or any reinforcing materials, such as glass fiber and clay, on the surface, while elevating other physical properties such as heat resistance, fluidity, and rigidity.

Abstract: Thermally stabilized resin compositions are provided which contain one or more cyclic iminoether compounds represented by formula (I), cyclic iminoester compounds represented by formula (II), or both and an amine thermal stabilizer, wherein X is as described herein, and A and B are each, independently, a single bond, substituted or unsubstituted alkylene selected from the group consisting of methylene, ethylene, propylene, butylene, 1-methylethylene, 1,1-dimethylethylene, 1,2-dimethylene, 1-ethylethylene, 1-1-diethylethylene, 1-propylethylene, 1-butylene, 1-hexylethylene, and 1-methyltrimethylene.