Abstract: Disclosed is an electrode assembly, a battery, and a battery pack and a vehicle including the same. In the electrode assembly, a first electrode, a second electrode, and a separator interposed therebetween are wound based on a winding axis to define a core and an outer circumference. The first electrode includes a first active material portion coated with an active material layer and a first uncoated portion not coated with an active material layer along a winding direction. At least a part of the first uncoated portion is defined as an electrode tab by itself. The first uncoated portion includes a first portion adjacent to the core of the electrode assembly, a second portion adjacent to the outer circumference of the electrode assembly, and a third portion interposed between the first portion and the second portion. The first portion or the second portion has a smaller height than the third portion in the winding axis direction.

Abstract: Disclosed is a semiconductor memory device including a peripheral gate structure on a substrate, bitlines disposed on the peripheral gate structure and extending in a first direction, a protruding insulating pattern including channel trenches, extending in a second direction intersecting the first direction, channel structures disposed on the bitlines in the channel trenches and including a metal oxide, first wordlines disposed on the channel structures and extending in the second direction, second wordlines disposed on the channel structures, extending in the second direction, and spaced apart from the first wordlines in the first direction, landing pads disposed on the channel structures and connected to the channel structures, pad separation patterns disposed on the protruding insulating pattern and separating the landing pads, first passage patterns connected to the protruding insulating pattern through pad separation patterns and formed of an oxide-based insulating material, and data storage patterns dis

Abstract: A wafer level package includes: a substrate; an element portion disposed on one surface of the substrate; a cap disposed on the substrate to cover the element portion; a connection portion electrically connected to the element portion; and a bonding portion disposed on an outer side of the connection portion, wherein the bonding portion is disposed on a first surface of one of the substrate and the cap, wherein one end portion of the connection portion is disposed on a second surface having a step difference from the first surface, and wherein the connection portion and the bonding portion are formed of a eutectic material.

Abstract: A gas diffuser plate in a cyclic deposition chamber is disclosed. The gas diffuser plate as fabricated comprises a substrate diffuser plate having a substrate emissivity and a coating formed on the substrate diffuser plate. The gas diffuser plate having the substrate diffuser plate coated with the coating has an emissivity higher than the substrate emissivity. The coating comprises a first layer formed on the substrate diffuser plate and comprising a first material configured to modulate the emissivity of the gas diffuser plate, and a second layer comprising a second corrosion-resistant material. The first material comprises titanium nitride oxide (TiNxOy). The emissivity of the gas diffuser plate is at least partially based on the ratio of nitrogen and oxygen in TiNxOy.

Abstract: Embodiments relate to laser welding methods, monitoring methods, and monitoring systems for a secondary battery. A laser welding method for a secondary battery includes performing laser welding on a positive electrode base having a thin-film shape in which a plurality of positive electrode base tabs are formed at a side, a negative electrode base having a thin-film shape in which a plurality of negative electrode base tabs are formed at a side, and a thin-film multi-tab to be joined to each of the positive electrode base and the negative electrode base, a welded portion in which the multi-tab is welded with the positive electrode base and the negative electrode base being melting-joined by using a laser such that a plurality of welding spots is formed on the welded portion.

Abstract: A foil tab forming apparatus forms at least one foil tab of a positive electrode foil tab and a negative electrode foil tab respectively provided at a top portion and a bottom portion of an electrode assembly. The foil tab forming apparatus includes a pre-forming jig configured to bend the foil tab by pressing the foil tab, while moving in a direction from an outer circumferential portion of the electrode assembly to a winding center portion of the electrode assembly and a forming jig configured to press the foil tab that has been primarily bent by the pre-forming jig, by moving along a direction parallel to a winding axis of the electrode assembly.

Abstract: Disclosed is an electrode assembly, a battery, and a battery pack and a vehicle including the same. In the electrode assembly, a first electrode, a second electrode, and a separator interposed therebetween are wound based on an axis to define a core and an outer circumference. The first electrode includes an uncoated portion at a long side end thereof and exposed out of the separator along a winding axis direction of the electrode assembly. A part of the uncoated portion is bent in a radial direction of the electrode assembly to form a bending surface region that includes overlapping layers of the uncoated portion, and in a partial region of the bending surface region, the number of stacked layers of the uncoated portion is 10 or more in the winding axis direction of the electrode assembly.

Abstract: A display device includes a substrate including a pixel region and a peripheral region. A plurality of pixels is disposed in the pixel region of the substrate. Each of the plurality of pixels includes a light emitting element. Data lines and scan lines are connected to each of the plurality of pixels. A power line is configured to supply power to the plurality of pixels. The power line includes a plurality of first conductive lines and a plurality of second conductive lines intersecting the plurality of first conductive lines. The plurality of second conductive lines is arranged in a region between adjacent light emitting elements of the plurality of pixels. At least some of the plurality of second conductive lines extend in a direction oblique to a direction of extension of the data lines or the scan lines.

Abstract: A semiconductor device structure, for example a 3D structure, and a method for fabricating a semiconductor device. As non-limiting examples, various aspects of this disclosure provide various semiconductor package structures, and methods for manufacturing thereof, that comprise interposer, interlayer, and/or heat dissipater configurations that provide for low cost, increased manufacturability, and high reliability.

Abstract: An apparatus for manufacturing a secondary battery includes: an index table configured to receive a secondary battery cell, the secondary battery cell including an electrode assembly, a can accommodating the electrode assembly, and an electrode tab between the electrode assembly and the can to electrically connect the electrode assembly to the can; a laser scanner configured to irradiate laser onto an outer surface of the can to weld the electrode tab to the can; and a controller configured to variably control the laser scanner according to an operation of the index table.

Abstract: The present disclosure provides a method for preparing a vinyl chloride-based polymer, the method including a step of injecting an ionizable normal salt and polymerizing a vinyl chloride monomer in the presence of one or more emulsifiers and a polymerization initiator, wherein the ionizable normal salt includes a carbonate metal salt or a sulfite metal salt, and the ionizable normal salt is continuously injected in an amount of 70 to 1200 ppm based on the total weight of the vinyl chloride monomer when a polymerization conversion rate is in a range of 0% to 20%. The method capable of preparing a vinyl chloride-based polymer suitable as an eco-friendly material, while not affecting the rate of polymerization reaction and decreasing the generation amount of total volatile organic compounds by controlling the injection time, injection amount and kind of the ionizable normal salt, is provided.

Abstract: The present disclosure relates to a composition for preparing a vinyl chloride-based polymer and a method of preparing a vinyl chloride-based polymer using the same, and provides the composition giving excellent productivity for preparing a vinyl chloride-based polymer includes while maintaining excellent foaming and viscosity properties of a plastisol including the prepared vinyl chloride-based polymer, by including a pH regulator composed of a carbonate-based metal salt, and a transition metal catalyst in the composition, and controlling an amount of the transition metal catalyst, and controlling an amount of a reducing agent such that a trace amount or none of the reducing agent is included, and the method of preparing a vinyl chloride-based polymer using the same.

Abstract: The present disclosure relates to an electrolyte injection system, and the electrolyte injection system is a system for injecting an electrolyte solution into a pouch in which an electrode assembly is embedded, the electrolyte injection system comprising: an injection pipe for injecting an electrolyte solution; an electrolyte solution supply portion supplying an electrolyte solution; and a manifold portion connecting an injection pipe and an electrolyte solution supply portion to prevent a reverse flow of the electrolyte solution and ensure precision of injection amount so that a large amount of electrolyte solution may be accurately and rapidly injected.

Abstract: A heat pump system includes a cooling apparatus in which a coolant is circulated, a compressor to compress a refrigerant, a condenser connected to the compressor through a refrigerant line and configured to condense the refrigerant by heat-exchanging with the refrigerant and the coolant, an evaporator connected to the condenser through the refrigerant line and configured to evaporate the refrigerant by heat-exchanging with the refrigerant and the coolant, a gas injection device provided in the refrigerant line between the condenser and the evaporator and configured to selectively expand and flow the refrigerant and selectively supply some of the refrigerant to the compressor, a refrigerant connection line including a first end connected to the refrigerant line and a second end connected to the gas injection device between the compressor and the evaporator, and a chiller in the refrigerant connection line for adjusting a temperature of the coolant by heat-exchange.

Abstract: Provided are a silicon nitride film etching composition, a method of etching a silicon nitride film using the same, and a manufacturing method of a semiconductor device. Specifically, a silicon nitride film may be stably etched with a high selection ratio relative to a silicon oxide film, and when the composition is applied to an etching process at a high temperature and a semiconductor manufacturing process, not only no precipitate occurs but also anomalous growth in which the thickness of the silicon oxide film is rather increased does not occur, thereby minimizing defects and reliability reduction.

Abstract: The present disclosure relates to an electronic device, and more specifically, to an electronic device including a printed circuit board including a heat-generating element arranged on one surface thereof, and a heat transfer coin provided such that one surface of the heat transfer coin comes into contact with a portion of the other surface of the printed circuit board, opposite to the heat-generating element, so as to dissipate heat generated from the heat-generating element. Accordingly, the present disclosure provides an advantage of improving heat dissipation performance without increasing the thickness of the printed circuit board.

Abstract: A communication apparatus is provided to include an apparatus enclosure that includes a substrate seating surface and at least one or more connection grooves formed on the substrate seating surface, a first printed circuit board disposed on the substrate seating surface, a second printed circuit board disposed on the substrate seating surface on one side of the first printed circuit board, and at least one or more connectors disposed within the connection groove and configured to electrically connect the first printed circuit board and the second printed circuit board.

Abstract: A capacitor component includes a body including dielectric layers, first and second internal electrodes, laminated in a first direction, facing each other, and first and second cover portions, disposed on outermost portions of the first and second internal electrodes, and first and second external electrodes, respectively disposed on both external surfaces of the body in a second direction, perpendicular to the first direction, and respectively connected to the first and second internal electrodes. An indentation including a glass is disposed at at least one of boundaries between the first internal electrodes and the first external electrode or one of boundaries between the second internal electrodes and the second external electrode.

Abstract: The present invention relates to a signal shielding apparatus and an antenna apparatus including same, and in particular, comprises a shield cover which is stacked and disposed on a printed board assembly (hereinafter, abbreviated to “PBA”), in which a plurality of signal-related components are mounted on one side thereof to prevent leakage of a signal from the plurality of signal-related components, wherein a grooved shield cover seating groove is formed in one surface of the PBA, and an insertion end insertably seated in the shield cover seating groove is integrally formed in the other surface from among one surface and the other surface of the shield cover, the other surface facing the one surface of the PBA, thereby providing advantages in that an increase in the manufacturing cost may be prevented, EMI shielding may be facilitated, and heat dissipation performance may be significantly improved.

Abstract: An electrode assembly, a battery, a battery pack and a vehicle including the same are provided. In the electrode assembly, the uncoated portion of an electrode includes a segment region divided into a plurality of segments, and the segment region includes a plurality of segment groups separated by a group separation pitch along a winding direction. One end of the electrode assembly includes a plurality of segment alignments. In winding turns corresponding to the plurality of segment alignments, group separation pitches of segment groups disposed in a same winding turn are substantially identical, and separation pitches of the segment groups is greater in a winding turn of a region adjacent to the outer circumference of the electrode assembly than in a winding turn of a region adjacent to the core of the electrode assembly.