Abstract: The present invention provides a scalable digital twin system structure and a scalable digital twin service method that are capable of, based on a digital twin, performing real-time control of the real world while providing information required for the user to determine the optimal countermeasure in solve real-world problems in stages, thereby helping rapidly solve problems of the real-world. In order to preemptively respond to the real-world problems by providing decision support information with improved reliability according to a timeline based on a digital twin of a scalable structure, the operation of the digital twin is divided into several stages according to complexity and a result of each stage is transferred to an application service and the next stage, so that as the stage becomes higher, a more reliable result can be provided.

Abstract: Disclosed is a method of manufacturing a polyurethane filter foam having excellent air permeability, elasticity, and restoring force. In the method of manufacturing the polyurethane filter foam, the cell size of the filter foam is made regular by controlling the pressure by adjusting the diameter of the foaming head of a foaming machine, rather than adding a cell opener, cell irregularity caused by poor dispersion of the cell opener is alleviated, and air permeability, porosity, and compression set are excellent.

Abstract: The present invention relates to a secondary battery capable of reducing costs and increasing capacity. For example, disclosed is a secondary battery characterized by comprising: an electrode assembly including a first electrode, a second electrode, and a separator; a case accommodating the electrode assembly; and a cap assembly coupled to the upper portion of the case, wherein the first electrode comprises: a first current collector; a first current collecting tab structure extending from the first current collector and having a plurality of bent current collection parts; and a first lead tab electrically connected to the first current collecting tab structure, wherein, in the first current collecting tab structure, the width of the current collection parts increases from the center of the electrode assembly to the outside, and the distance between the current collection parts increases.

Abstract: The present disclosure relates to a secondary battery, and provides a secondary battery capable of reducing heat generation and improving safety by reducing a welding area.

Abstract: An embodiment of the present invention relates to a cylindrical secondary battery comprising: a cylindrical can having a bottom surface and a side portion extending from the bottom surface, one end of the side portion being open to form an opening; an electrode assembly accommodated in the can; and a cap assembly including a gasket which is inserted into the can with the electrode assembly inserted in the can to come into contact with the electrode assembly, and a cap plate which is disposed on the gasket and is electrically connected to the electrode assembly, wherein the can has, at the edge of the opening, a curling portion which presses the gasket to bring the gasket into contact with the cap plate.

Abstract: A technical object to be solved according to the present disclosure is to provide a secondary battery which has reduced electrical resistance by directly connecting an electrode assembly to a can and/or a terminal without lead tabs and also has an increased battery capacity by removing lead tabs. To this end, the present disclosure provides a secondary battery comprising: a can; an electrode assembly accommodated in the can and including a first uncoated portion extending in a first direction and a second uncoated portion extending in a second direction opposite to the first direction; a first current collector plate electrically connected to the first uncoated portion of the electrode assembly; a first terminal portion coupled to the can and electrically connected to the first current collector plate; and a second terminal portion coupled to the can and electrically connected to the second uncoated portion of the electrode assembly.

Abstract: A cylindrical secondary battery including a can including a circular bottom part and a cylindrical side part having an opened one end, an electrode assembly in which a first electrode plate, a second electrode plate, and a separator are wound and which is accommodated in the can, and a collecting plate arranged in a direction toward the first electrode plate. The first electrode plate and the collecting plate, and the second electrode plate and the bottom part are electrically connected to each other in a non-welding manner. According to the embodiment, since the electrode assembly and the collecting plate and also the electrode assembly and the can are electrically connected to each other without the welding, the electrode assembly may be prevented or reduced from being damaged by foreign substances generated during the welding, thereby improving stability of the secondary battery.

Abstract: A method for manufacturing a three-dimensional structure through nano-imprinting, includes: a stamp preparation step in which a stamp formed with a convex-concave portion corresponding to a pattern of functional layers to be formed is prepared; a material formation step in which at least one material for forming the functional layers is formed to a thickness of several to dozens of nanometers on the convex-concave portion; a material stacking step in which the material formed on the convex-concave portion is stacked on a substrate; and a functional layer securing step in which the material is cured by applying pressure, heat and pressure, or light and pressure thereto such that the material can be converted into the functional layers.

Abstract: A method for manufacturing a three-dimensional structure through nano-imprinting, includes: a stamp preparation step in which a stamp formed with a convex-concave portion corresponding to a pattern of functional layers to be formed is prepared; a material formation step in which at least one material for forming the functional layers is formed to a thickness of several to dozens of nanometers on the convex-concave portion; a material stacking step in which the material formed on the convex-concave portion is stacked on a substrate; and a functional layer securing step in which the material is cured by applying pressure, heat and pressure, or light and pressure thereto such that the material can be converted into the functional layers.

Abstract: In a method for fabricating an embedded pattern using a transfer-based imprinting, an adhesive layer is formed on a substrate. The adhesive layer has a photo curable resin. A stamp having a protruded pattern is prepared. A thin-film layer is formed on an outer surface of the protruded pattern of the stamp. The stamp having the thin-film layer contact with the adhesive layer is pressed to selectively transfer the thin-film layer of the protruded pattern to the adhesive layer. Ultraviolet rays (UV) are irradiated to cure the adhesive layer. The stamp is removed.

Abstract: An organic light emitting device having a photonic crystal structure and a manufacturing method thereof are provided. The organic light emitting device comprises: a substrate through which light passes; a photonic crystal layer formed on the substrate and having a photonic crystal structure; an intermediate layer formed on the photonic crystal layer and having a large refractive index compared with the photonic crystal layer; a first electrode layer formed on the intermediate layer; a light emitting layer formed on the first electrode layer and emitting light according to current flow; and a second electrode layer formed on the light emitting layer.

Abstract: There is provided a method of manufacturing a stamp for a plasmonic nanolithography apparatus. The method includes forming metal patterns on a substrate, coating a hydrophobic thin film on external surfaces of the metal patterns to hydrophobic processing the external surfaces of the metal patterns, selectively hydrophilic processing only the external surfaces of the metal patterns, laminating a buffer layer on the substrate and the metal patterns, and transcribing the metal patterns and the buffer layer from the substrate to a base formed of light transmission material to be combined with the base.

Abstract: The present invention relates to a digital video recorder having an apparatus for receiving an automatic switched image by recognizing a source and a method thereof, which is capable of automatically determining whether an image channel is a SD signal channel or a HD-SDI signal channel and switching between these channels. The present invention has an advantage in that it provides a DVR having a source recognition automatic switched image receiving apparatus which is capable of automatically detecting whether an image signal is a SD signal or a HD-SDI signal in a channel and automatically switches between these signals, thereby allowing free channel change without requiring separate setting, which can result in higher flexibility of installation and channel setting and improved utilization of existing lines, and a method thereof.

Abstract: In a method for fabricating an embedded pattern using a transfer-based imprinting, an adhesive layer is formed on a substrate. The adhesive layer has a photo curable resin. A stamp having a protruded pattern is prepared. A thin-film layer is formed on an outer surface of the protruded pattern of the stamp. The stamp having the thin-film layer contact with the adhesive layer is pressed to selectively transfer the thin-film layer of the protruded pattern to the adhesive layer. Ultraviolet rays (UV) are irradiated to cure the adhesive layer. The stamp is removed.

Abstract: The present invention relates to a digital video recorder having an apparatus for receiving an automatic switched image by recognizing a source and a method thereof, which is capable of automatically determining whether an image channel is a SD signal channel or a HD-SDI signal channel and switching between these channels. The present invention has an advantage in that it provides a DVR having a source recognition automatic switched image receiving apparatus which is capable of automatically detecting whether an image signal is a SD signal or a HD-SDI signal in a channel and automatically switches between these signals, thereby allowing free channel change without requiring separate setting, which can result in higher flexibility of installation and channel setting and improved utilization of existing lines, and a method thereof.

Abstract: A computing system includes: a voronoi tessellation formation module configured to form a voronoi tessellation for a solid separator; a modified tessellation generation module, coupled to the voronoi tessellation formation module, configured to: generate a modified tessellation by removing from the voronoi tessellation a node, an edge, or a combination thereof associated with a cation polygon except where the edge is less than an exception threshold, determine a channel dimensionality, a bottleneck size, a critical radius, or a combination thereof based on the modified tessellation; and a viability determination module, coupled to the modified tessellation generation module, configured to determine a viability of the solid separator based on the channel dimensionality, the bottleneck size, the critical radius, or a combination thereof.

Abstract: A method of and apparatus for searching for a signature in a packet according to a signature location. The method may include extracting a sub-payload to be compared with a signature from a payload of a packet, generating an offset that is location information about a location of the sub-payload in the payload, generating a search key that includes the extracted sub-payload and the generated offset, and performing ternary content addressable memory (TCAM) matching to check if the generated search key matches a TCAM entry.

Abstract: A phase change memory device includes a switching device and a storage node connected to the switching device. The storage node includes a bottom stack, a phase change layer disposed on the bottom stack and a top stack disposed on the phase change layer. The phase change layer includes a unit for increasing a path of current flowing through the phase change layer and reducing a volume of a phase change memory region. The area of a surface of the unit disposed opposite to the bottom stack is greater than or equal to the area of a surface of the bottom stack in contact with the phase change layer.

Abstract: Disclosed herein are an aromatic imide-based dispersant for CNTs and a carbon nanotube composition comprising the same. Having an aromatic ring structure advantageously realizing adsorption on carbon nanotubes, the dispersant, even if used in a small amount, can disperse a large quantity of carbon nanotubes.

Abstract: An organic light emitting device having a photonic crystal structure and a manufacturing method thereof are provided. The organic light emitting device comprises: a substrate through which light passes; a photonic crystal layer formed on the substrate and having a photonic crystal structure; an intermediate layer formed on the photonic crystal layer and having a large refractive index compared with the photonic crystal layer; a first electrode layer formed on the intermediate layer; a light emitting layer formed on the first electrode layer and emitting light according to current flow; and a second electrode layer formed on the light emitting layer.