Abstract: One embodiment of the present invention provides a flame doping method. Specifically, the present invention provides a flame doping method, which does not significantly change crystallinity, does not damage a substrate even while applying a high temperature, is usable as a doping method suitable for mass production, is advantageous in a process difficulty and a cost compared to other doping processes (thermal diffusion and ion implantation), and has high process stability.

Abstract: A liquefied gas storage tank includes a corner block disposed on a corner portion, wherein the corner block includes a lower block, an upper block and an upper connecting block, the upper block includes a first inner fixing unit and a second inner fixing unit respectively provided inside a first surface and a second surface, bonded and connected to a secondary barrier, and each having a structure in which a primary inner plywood, a primary corner insulating material, and a primary outer plywood are stacked, and an inner bent portion installed at a corner spatial portion between the first inner fixing unit and the second inner fixing unit, and both side surfaces of the inner bent portion that are perpendicular to the secondary barrier each have a height reduced from a total height of each of the first and second inner fixing units.

Abstract: A separator for a secondary battery, including a separator body having a porous structure and a particle type polymer embedded in the separator body. The particle type polymer includes a material having a heat resistance higher than a heat resistance of the separator body, whereby it is possible to provide a thin separator with improved thermal shrinkage.

Abstract: A wafer manufacturing method, an epitaxial wafer manufacturing method, and a wafer and epitaxial wafer manufactured thereby, are provided. The wafer manufacturing method enables the manufacture of a wafer with a low density of micropipe defects and minimum numbers of particles and scratches. The epitaxial wafer manufacturing method enables the manufacture of an epitaxial wafer that has low densities of defects such as downfall, triangular, and carrot defects, exhibits excellent device characteristics, and improves the yield of devices.

Abstract: The liquefied gas storage tank includes a primary barrier, a primary insulation wall, a secondary barrier, and a secondary insulation wall. In a state where unit elements are arranged adjacent to each other, each of the unit elements being formed by stacking the secondary insulation wall, the secondary barrier, and a fixed insulation wall which is a part of the primary insulation wall, the primary insulation wall may comprise: a connection insulation wall provided in the space between the adjacent fixed insulation walls; first slits formed between the fixed insulation walls and the connection insulation wall when the connection insulation wall is inserted and installed between the adjacent fixed insulation walls; a plurality of second slits formed in a lengthwise direction and a widthwise direction of the fixed insulation walls; and a first insulating filler material for filling the first slits.

Abstract: A wafer manufacturing method, an epitaxial wafer manufacturing method, and a wafer and epitaxial wafer manufactured thereby, are provided. The wafer manufacturing method enables the manufacture of a wafer with a low density of micropipe defects and minimum numbers of particles and scratches. The epitaxial wafer manufacturing method enables the manufacture of an epitaxial wafer that has low densities of defects such as downfall, triangular, and carrot defects, exhibits excellent device characteristics, and improves the yield of devices.

Abstract: The present disclosure relates to a method of providing a proximal user networking service by means of a near-field communication network and a system therefor. Specifically, the present disclosure implements an environment in which, when an ad packet is broadcast using a certain host device, a guest device that receives the ad packet in the vicinity uploads relevant information to a service server, thereby allowing the host device to check guest devices that have been present in proximity thereto in the vicinity.

Abstract: A cylindrical secondary battery and a manufacturing method of a secondary battery are provided. A manufacturing method of a cylindrical secondary battery includes: winding an electrode assembly to expose a first electrode uncoated portion and a second electrode uncoated portion to opposite ends in a longitudinal direction; bending at least some portions of the first electrode uncoated portion and the second electrode uncoated portion of the electrode assembly in a direction by pressing the first electrode uncoated portion and the second electrode uncoated portion; welding electrode collector plates to ends of the bent first and second electrode uncoated portions; and inserting and sealing the electrode assembly into a cylindrical case.

Abstract: There is provided a method of preparing a photoelectrochemical and electrochemical electrode catalyst, the method including preparing a metal oxide-based electrode, introducing a phosphate layer on a surface of the metal oxide-based electrode; and converting the phosphate layer into an oxyhydroxide layer by performing electrochemical activation on the phosphate layer. The efficiency of selective oxidation reaction of ammonia in wastewater may be improved.

Abstract: The present disclosure in some embodiments provides artificial intelligence or AI-based document classification apparatus and method for providing, based on a hierarchical attention network (HAN) and a semantic analysis technique, an evaluation of a document, and an explainable basis or supporting data for the evaluation, thereby generating an evaluation index for the document.

Abstract: An embodiment of the present invention provides a MXene nanodot core-carbon shell multifunctional catalyst including a MXene nanodot core and a carbon shell surrounding the MXene nanodot core. By introducing the carbon shell surrounding the nanodot core, the stability of the catalyst is ensured, thereby providing effects in that the catalyst may function under various conditions.

Abstract: A key system of a lock having a high peaking difficulty when picking is tried by a picking tool, includes three or more rectangular holes formed between pin holes of an inner case to insert rectangular pins, where each of the rectangular pin includes a side bar insertion groove and a fake groove formed to be spaced apart from the side bar insertion groove at an interval to raise the degree of picking difficulty. A quadrangular pin is inserted into the rectangular hole located in the middle among the rectangular holes formed in the inner case to be inserted into the hole formed in an outer case. The side on which the quadrangular pin is located has an escape groove to accommodate the quadrangular pin.

Abstract: An AI based defect inspecting device and method is disclosed. The present embodiment, in determining the good or defective product using the deep learning-based classification model based on an image of the product, provides a defect inspecting device and method for providing a basis for determining a good/defective product provided by a deep learning-based classification model using explainable AI (XAI) generating a category set for the basis, and continuously updating parameters of the deep learning-based classification model using the category set.

Abstract: A capacitive switch according to an embodiment of the present invention includes a switch structure having a first electrode pattern; a substrate having a second electrode pattern and an integrated circuit unit; and an elastic body interposed between the switch structure and the substrate, wherein the integrated circuit unit generates a first output signal by detecting a change in capacitance caused by a user touch input operation through the first electrode pattern, the elastic body, and the second electrode pattern, and generates a second output signal by detecting a change in capacitance caused by a user push input operation.

Abstract: An electronic device is provided which includes a touch sensor, a pressure sensor, and a processor electrically connected with the touch sensor and the pressure sensor. The processor is configured to determine at least one of a location of a first touch sensed by the touch sensor or pressure of the first touch sensed by the pressure sensor as a user input in a first state and to determine at least one of a location of a second touch sensed by the pressure sensor or pressure of the second touch as a user input in a second state.

Abstract: A capacitive switch according to an embodiment of the present invention includes a switch structure having a first electrode pattern; a substrate having a second electrode pattern and an integrated circuit unit; and an elastic body interposed between the switch structure and the substrate, wherein the integrated circuit unit generates a first output signal by detecting a change in capacitance caused by a user touch input operation through the first electrode pattern, the elastic body, and the second electrode pattern, and generates a second output signal by detecting a change in capacitance caused by a user push input operation.

Abstract: An electronic device is provided which includes a touch sensor, a pressure sensor, and a processor electrically connected with the touch sensor and the pressure sensor. The processor is configured to determine at least one of a location of a first touch sensed by the touch sensor or pressure of the first touch sensed by the pressure sensor as a user input in a first state and to determine at least one of a location of a second touch sensed by the pressure sensor or pressure of the second touch as a user input in a second state.

Abstract: The present invention relates to a photocatalyst using a semiconductor-carbon nanomaterial core-shell composite quantum dot and a method for preparing the same, more particularly to a microparticle in which a semiconductor-carbon nanomaterial core-shell composite quantum dot is self-assembled using 4-aminophenol, capable of improving photoelectrochemical response and photoconversion efficiency when used as a photocatalyst or a photoelectrode of a photoelectrochemical device, a photoelectrochemical device using the same and a method for preparing the same.

Abstract: A method of forming a thin film includes coating one side of a transferring stamp including a hydrophilic polymer layer with a hydrophilic solution to form a transfer layer, and transferring the transfer layer to the substrate.

Abstract: The present invention relates to a photocatalyst using a semiconductor-carbon nanomaterial core-shell composite quantum dot and a method for preparing the same, more particularly to a microparticle in which a semiconductor-carbon nanomaterial core-shell composite quantum dot is self-assembled using 4-aminophenol, capable of improving photoelectochemical response and photoconversion efficiency when used as a photocatalyst or a photoelectrode of a photoelectochemical device, a photoelectochemical device using the same and a method for preparing the same.