Abstract: An antenna apparatus includes: a parabolic reflector; a dielectric support pedestal; a sub-reflector connected to an upper part of the dielectric support pedestal; and a waveguide connected to a lower part of the dielectric support pedestal, wherein the parabolic reflector has a curved surface in which a ratio of a focal length to a diameter is greater than a preset value, and at least one corrugation configured to suppress a cross polarization is formed in a region of the dielectric support pedestal.

Abstract: The inventive concept provides a teaching method for teaching a transfer position of a transfer robot. The teaching method includes: searching for an object on which a target object to be transferred by the transfer robot is placed, based on a 3D position information acquired by a first sensor; and acquiring coordinates of a second direction and coordinates of a third direction of the object based on a data acquired from a second sensor which is a different type from the first sensor.

Abstract: The present application relates to a sweetener including an oligosaccharide having increased acid resistance, a food composition including the same, and a method of increasing acid resistance of an oligosaccharide of an oligosaccharide-containing sweetener including applying allulose to the oligosaccharide.

Abstract: The present disclosure relates to a catalyst for a fuel cell electrode including an active particle which includes a core comprising platinum, a transition metal excluding platinum, and an oxide of a non-transition metal; and a shell disposed on the core and including platinum, wherein the active particle includes platinum and the non-transition metal in a molar ratio of 100:1.80 to 100:4.00, a method of preparing the same, and a fuel cell including the same.

Abstract: A manufacturing method of a semiconductor device may include: forming a stack comprising first material layers and second material layers that are alternately stacked; forming an opening in the stack; forming a first seed layer in the opening; forming a first buffer layer by surface-treating the first seed layer; and forming a blocking layer by oxidizing the first seed layer through the first buffer layer.

Abstract: Provided is a method of manufacturing a zinc-plated steel sheet. The method includes: coating a metal on the steel sheet on a steel sheet; annealing the metal coated steel sheet; and zinc plating the annealed steel sheet by dipping in a molten zinc plating bath. Further provided is a method of manufacturing a hot-press part including: coating a metal on the steel sheet on a steel sheet; annealing the metal coated steel sheet; zinc plating the annealed steel sheet by dipping in a molten zinc plating bath; heating the zinc-plated steel sheet; and press forming the heated steel sheet.

Abstract: The present invention relates to an X-ray irradiator for single blood bags, comprising: an X-ray irradiator main body provided with a chamber configured to safely hold a single blood bag therein and an X-ray tube configured to irradiate the chamber with X-rays; a loading part configured to load the blood bag; and a transfer part configured to transfer the blood bag between the loading part and the chamber to which X-rays are to be emitted. The X-ray irradiator for single blood bags according to the present invention can treat a single blood bag with X-rays, such that treatment optimized for a small amount of a blood bag can be performed, and a system configuration can be simplified by using an X-ray tube.

Abstract: A semiconductor device includes, first and second source/drain patterns on an active pattern and spaced apart from each other, a first source/drain contact on the first source/drain pattern and including a first source/drain barrier film and a first source/drain filling film on the first source/drain barrier film, a second source/drain contact on the second source/drain pattern, and a gate structure on the active pattern between the first and second source/drain contacts and including a gate electrode, wherein a top surface of the first source/drain contact is lower than a top surface of the gate structure, and a height from a top surface of the active pattern to a top surface of the first source/drain barrier film is less than a height from the top surface of the active pattern to a top surface of the first source/drain filling film.

Abstract: An insulation device for a battery according to an embodiment includes: a first cover layer including a first hole; a second cover layer attached to one surface of the first cover layer and including a second hole; and a third cover layer disposed on the opposite surface to which the first cover layer is attached on the second cover layer, wherein the insulation device may include an insulation part inside, and the insulation part may include a functional filler.

Abstract: According to the present disclosure, an antenna apparatus which includes a hollow pillar shaped waveguide extending in a first direction and at least one ridge protruding from an inner circumferential surface of the waveguide and extending in the first direction, wherein the ridge has at least one recessed groove formed in the first direction; and an antenna apparatus which includes the waveguide, the ridge and the iris structure protruding from the inner circumferential surface of the waveguide along a plane intersecting the first direction, are provided.

Abstract: The present invention relates to a fire resistant paint composition, to a production method for same and to a painting method for a fire resistant paint using same, and, one example of implementation of the present invention can provide a fire resistant paint composition comprising: between 70 and 95 wt. % of a binder; between 1 and 10 wt. % of an aerogel; between 1 and 5 wt. % of a foaming agent; and the remainder of water, and can provide a production method for same and a painting method for a fire resistant paint using same.

Abstract: Disclosed is an electronic device. The electronic device according to an embodiment includes a plurality of antennas, and a communication circuit electrically connected with the plurality of antennas. The communication circuit includes a plurality of circuits receiving a signal in a first band and is configured to simultaneously receive the signal in the first band through two or more circuits of the plurality of circuits from two or more antennas, which are positioned adjacent to each other, from among the plurality of antennas. The number of the plurality of antennas is the same as the number of plurality of circuits.

Abstract: A semiconductor device includes, first and second source/drain patterns on an active pattern and spaced apart from each other, a first source/drain contact on the first source/drain pattern and including a first source/drain barrier film and a first source/drain filling film on the first source/drain barrier film, a second source/drain contact on the second source/drain pattern, and a gate structure on the active pattern between the first and second source/drain contacts and including a gate electrode, wherein a top surface of the first source/drain contact is lower than a top surface of the gate structure, and a height from a top surface of the active pattern to a top surface of the first source/drain barrier film is less than a height from the top surface of the active pattern to a top surface of the first source/drain filling film.

Abstract: A semiconductor device with improved reliability and a method for fabricating the same are provided. The semiconductor device includes a substrate, a first spacer defining a gate trench on the substrate, and a gate electrode in the gate trench, wherein a height of an upper surface of the gate electrode adjacent to the first spacer increases in a direction away from the first spacer.

Abstract: The present invention relates to an ultrasonic surgical device in which a cartridge comprises: a cartridge housing having an empty inner space filled with a medium; an ultrasonic therapy part which is movably provided inside the cartridge housing and includes a transducer for generating focused ultrasonic waves; a window through which the ultrasonic waves generated from the transducer pass; and a driving part which moves the ultrasonic therapy part inside the cartridge housing, wherein, as the transducer moves in one direction, the distance between the window and the transducer repeatedly increases and decreases.

Abstract: A semiconductor device includes a substrate, a gate structure on the substrate, a first etch stop layer, a second etch stop layer, and an interlayer insulation layer that are stacked on the gate structure, and a contact plug penetrating the interlayer insulation layer, the second etch stop layer, and the first etch stop layer and contacting a sidewall of the gate structure. The contact plug includes a lower portion having a first width and an upper portion having a second width. A lower surface of the contact plug has a stepped shape.

Abstract: A nonvolatile memory device is provided. A nonvolatile memory device comprises a word line, a bit line, a memory cell array including a first memory cell at an intersection region between the word line and the bit line, a word line voltage generating circuitry configured to generate a program voltage, the program voltage to be provided to the word line, a row decoder circuitry configured to receive the program voltage from the word line voltage generating circuitry and configured to provide the program voltage to the word line, a verification circuitry configured to generate a verification signal in response to verifying a success or a failure of programming of the first memory cell, and a control circuitry configured to apply the program voltage to the first memory cell in response to the verification signal, and configured to cut off the program voltage in response to the verification signal.

Abstract: The present invention relates to a composition for a moisture permeation preventing film for an electronic device, a method for forming a moisture permeation preventing film for an electronic device using the same, and an electronic device. The present invention can provide: a composition for a moisture permeation preventing film for an electronic device, the composition containing 1-10 wt % of an aerogel, 10-50 wt % of a solvent, 0.1-5 wt % of an additive, and the remainder binder; a method for forming a moisture permeation preventing film for an electronic device using the same; and an electronic device.

Abstract: The present invention provides an artificial marble composition and an artificial marble using the same, the composition including (A) 100 parts by weight of an acrylic resin syrup, (B) 150 parts by weight to 250 parts by weight of an aluminum-based inorganic filler, (C) 8 parts by weight to 100 parts by weight of a phosphorus-based flame retardant, and (D) 35 parts by weight to 100 parts by weight of a magnesium-based flame retardant.

Abstract: A semiconductor device includes a substrate, a gate structure on the substrate, a first etch stop layer, a second etch stop layer, and an interlayer insulation layer that are stacked on the gate structure, and a contact plug penetrating the interlayer insulation layer, the second etch stop layer, and the first etch stop layer and contacting a sidewall of the gate structure. The contact plug includes a lower portion having a first width and an upper portion having a second width. A lower surface of the contact plug has a stepped shape.