Abstract: The austenitic stainless steel that does not cause defects such as aging crack or delayed fracture even after the expansion and curling process of 5 steps or more is disclosed. In accordance with an aspect of the present disclosure, an austenitic stainless steel with excellent pipe expanding workability and aging crack resistance includes, in percent (%) by weight of the entire composition, C: 0.01 to 0.04%, Si: 0.1 to 1.0%, Mn: 0.1 to 2.0%, Cr: 16 to 20%, Ni: 6 to 10%, Cu: 0.1 to 2.0%, Mo: 0.2% or less, N: 0.035 to 0.07%, the remainder of iron (Fe) and other inevitable impurities, and the C+N satisfies 0.1% or less, the product of the Md30 (° C.) value and average grain size (?m) satisfies less than ?500.

Abstract: A unit page buffer block includes first to fourth page buffer pairs. Each of the page buffer pairs includes a common column decoder block; and an upper page buffer stage and a lower page buffer stage electrically and commonly connected to the common column decoder block. Each of the upper page buffer stages includes an upper selection block; an upper latch block; and an upper cache block. Each of the lower page buffer stage includes a lower selection block; a lower latch block; and a lower cache block. Each of the upper selection blocks includes first to fourth sub-selection blocks. Each of the upper and lower latch blocks includes first to twelfth upper sub-latch blocks. Each of the upper and lower cache blocks includes first to twelfth upper sub-cache blocks. Each of the common column decoder block includes first to third sub-common column decoder blocks arranged in a row direction.

Abstract: An embodiment includes: a base; a circuit board which is disposed on the base and which includes first and second terminals; a housing disposed on the circuit board; a bobbin disposed in the housing; a first coil disposed on the bobbin; a sensing magnet disposed on the bobbin; a magnet disposed in the housing; a first position sensor which is disposed in the housing and which corresponds to the sensing magnet; a second coil disposed between the base and the magnet; and a second position sensor which is disposed on the circuit board and which includes a first sensor and a second sensor, wherein each of the first sensor and the second sensor is a driver integrated circuit including a hall sensor and a driver, a clock signal is provided to the first terminal of the circuit board, a data signal is provided to the second terminal of the circuit board, and the driver of each of the first position sensor, the first sensor, and the second sensor transmits/receives the clock signal through the first terminal of the ci

Abstract: A stainless steel with a yield strength of 2,200 MPa or more is disclosed through the generation of the strain-induced martensite phase and the increase of the martensite phase strength. A high strength stainless steel according to an embodiment of present disclosure includes, in percent (%) by weight of the entire composition, C: 0.14 to 0.20%, Si: 0.8 to 1.0%, Mn: more than 0 and 0.5% or less, Cr: 15.0 to 17.0%, Ni: 4.0 to 5.0%, Mo: 0.6 to 0.8%, Cu: 0.5% or less, N: 0.05 to 0.11%, the remainder of iron (Fe) and other inevitable impurities, and C+N: 0.25% or more and Md30 value satisfies 40° C. or more.

Abstract: A semiconductor package is provided. The semiconductor package can include a first redistributed layer on which a plurality of semiconductor chips and a plurality of passive devices are mounted on one surface, a second redistributed layer electrically connected to the first redistributed layer through a via, an external connection terminal formed on the lower surface of the second redistributed layer, a first mold provided to cover the plurality of semiconductor chips and the plurality of passive devices on the first redistributed layer, and a second mold provided between the first redistributed layer and the second redistributed layer. Each of the first redistributed layer and the second redistributed layer includes a wiring pattern and an insulating layer and is composed of a plurality of layers, and at least one of the plurality of semiconductor chips is disposed between the first redistributed layer and the second redistributed layer.

Abstract: A display device and method for manufacturing thereof are provided. The display device includes a substrate having a display area and a non-display area, and including an edge, an upper surface having an edge area in which a processing trace remains adjacent to the edge, a bottom surface opposite to the upper surface, a side surface connected to the upper surface and not parallel thereto, and a first inclined surface connected to the side surface and to the bottom surface, a light-emitting element layer above the upper surface of the substrate in the display area, and including light-emitting elements, an encapsulating layer above the light-emitting element layer and corresponding to a portion of the display area and the non-display area, and a protective layer above an outer surface of the substrate, and located on at least one of the bottom surface, the side surface, or the first inclined surface.

Abstract: A display device includes: a substrate including a display area and a non-display area surrounding the display area; a light emitting element layer on the display area on the substrate and including a plurality of light emitting elements; and an encapsulating layer on the light emitting element layer and on a portion of the display area and the non-display area; and wherein the substrate comprises an upper surface on which the light emitting element layer is located, a bottom surface opposite to the upper surface, a side surface connected to the upper surface and not parallel to the upper surface, and a first inclined surface connected to the side surface and the bottom surface and not parallel to the side surface and the bottom surface, wherein an edge area of the upper surface of the substrate adjacent to an edge of the substrate, in which a processing trace remains.

Abstract: A display device includes: a substrate comprising an upper surface, a bottom surface facing the upper surface, and a through hole penetrating the upper surface and the bottom surface; and a light emitting element layer on the upper surface of the substrate, wherein the substrate comprises a side surface that meets the upper surface in the through hole, a first surface that meets the bottom surface, a second surface that meets the side surface, and a third surface between the first surface and the second surface, and wherein the first surface and the second surface are spaced apart from each other with the third surface therebetween, and are inclined surfaces.

Abstract: An electronic device includes a display device, which may be fabricated using a described method. The display device includes a glass substrate including a first surface, a second surface opposite the first surface, and a side surface between the first surface and the second surface, an outermost structure on the first surface of the glass substrate and located adjacent to an edge of one side of the glass substrate, and a display area including a plurality of light emitting areas on the first surface of the glass substrate and located farther from the edge of the one side of the glass substrate than the outermost structure is. A minimum distance from the side surface of the glass substrate to the outermost structure is equal to 130 ?m or less.

Abstract: An embodiment ceria-alumina support (CeO2—Al2O3 support) includes a nano-ceria having a shape of a polygonal bipyramid or a truncated polygonal bipyramid supported on alumina. An embodiment noble metal catalyst for treating exhaust gas includes a noble metal deposited on a ceria-alumina support (CeO2—Al2O3 support) that includes a nano-ceria having a shape of a polygonal bipyramid or a truncated polygonal bipyramid supported on alumina. An embodiment method for affecting resistance to sulfur-poisoning of a noble metal catalyst through structural transformation of nano-ceria supported on alumina includes performing a hydrothermal treatment of ceria supported on ?-alumina.

Abstract: The present invention relates to a gas separation membrane operation method. The method may include (a) introducing an external gas into a separation membrane module through an inlet line, (b) separating, by the separation membrane module, the external gas into a permeable gas and an impermeable gas according to permeability with respect to a separation membrane, transferring the permeable gas to the separation line, and transferring the impermeable gas to the outflow line, and (c) injecting at least a part of the impermeable gas transferred to the outflow line into an inlet of the separation membrane module.

Abstract: The present invention relates to a mini-brain structure and a construction method therefor and, more specifically, to a mini-brain and a construction method therefor, wherein induced pluripotent stem cells can be used to prepare brain organoids for different brain regions accounting for the cerebrum, the mesencephalon, the cerebellum, the thalamus, and the like and the organoids are combined into single structures, thereby making it possible to further effectively implement actual brain functions and wherein brain organoids for different brain regions can be selectively combined into single structures according to purposes, thereby achieving the aim of using brain organoids and enhancing convenience and economical benefit.

Abstract: The present invention relates to: a toll-like receptor 7 or 8 agonist-drug complex material in which a functional drug and a toll-like receptor 7 or 8 agonist are bonded by a chemical bond containing a cleavable site; and using the properties of the temporarily inactivated state, the side effects of the toll-like receptor 7 or 8 agonist can be reduced. In particular, the complex material is designed such that the immunostimulatory function of the toll-like receptor 7 or 8 agonist is inhibited due to the chemical bond, while the immunostimulatory function is recovered at an injection site or in a tumor microenvironment or target immune cells, thus exhibiting kinetic properties in which immunostimulatory efficacy can be controlled over time, and minimizing the induction of nonspecific immune responses.

Abstract: The present invention relates to: a lyophilized preparation of a pathogen cell wall skeleton, the preparation containing the pathogen cell wall skeleton as an active ingredient; various live-pathogen-mimetic nanoparticles produced by using the lyophilized preparation and antagonists of toll-like receptor 7 or 8 which can induce the efficacy of the live pathogen; a use thereof; and a production method thereof.

Abstract: An embodiment ceria-alumina support (CeO2—Al2O3 support) includes a nano-ceria having a shape of a polygonal bipyramid or a truncated polygonal bipyramid supported on alumina. An embodiment noble metal catalyst for treating exhaust gas includes a noble metal deposited on a ceria-alumina support (CeO2—Al2O3 support) that includes a nano-ceria having a shape of a polygonal bipyramid or a truncated polygonal bipyramid supported on alumina. An embodiment method for affecting resistance to sulfur-poisoning of a noble metal catalyst through structural transformation of nano-ceria supported on alumina includes performing a hydrothermal treatment of ceria supported on ?-alumina.

Abstract: A handheld sanding device according to the present invention includes: a power generation unit configured to generate rotating force for sanding operation; a power transmission unit configured to be coupled to the power generation unit, and to transmit the rotating force generated by the power generation unit; a sanding unit configured to be rotated by the rotating force, transmitted through the power transmission unit, in order to sand a sanding target surface; and a shaft coupling unit configured to connect the power transmission unit and the sanding unit to each other so that the sanding unit is freely inclined based on the power transmission unit, thereby improving the close contact between the sanding target surface and the sanding unit while making it easy to carry and also preventing the sanding target surface from being eccentrically worn during sanding operation.

Abstract: Disclosed is a catalyst for removing saturated hydrocarbon including an acidic support including porous alumina (Al2O3) and having higher acidity than alumina, and an active metal including platinum (Pt) and supported on the acidic support.

Abstract: A reference material for performance evaluation of a catalyst of a selective catalytic reduction includes a ceramic carrier and a coating material that coats the ceramic carrier. The coating material includes copper (Cu), alumina (Al2O3), and silica (SiO2). A method of preparing the reference material includes mixing copper (Cu) and an acidic solution to prepare a copper-containing solution, mixing the copper-containing solution, alumina, and silica to prepare a mixture, and coating the mixture on the ceramic carrier, and drying and baking the mixture coated on the ceramic carrier.

Abstract: A reference material for performance evaluation of a catalyst of a selective catalytic reduction includes a ceramic carrier and a coating material that coats the ceramic carrier. The coating material includes copper (Cu), alumina (Al2O3), and silica (SiO2). A method of preparing the reference material includes mixing copper (Cu) and an acidic solution to prepare a copper-containing solution, mixing the copper-containing solution, alumina, and silica to prepare a mixture, and coating the mixture on the ceramic carrier, and drying and baking the mixture coated on the ceramic carrier.

Abstract: A handheld sanding device according to the present invention includes: a power generation unit configured to generate rotating force for sanding operation; a power transmission unit configured to be coupled to the power generation unit, and to transmit the rotating force generated by the power generation unit; a sanding unit configured to be rotated by the rotating force, transmitted through the power transmission unit, in order to sand a sanding target surface; and a shaft coupling unit configured to connect the power transmission unit and the sanding unit to each other so that the sanding unit is freely inclined based on the power transmission unit, thereby improving the close contact between the sanding target surface and the sanding unit while making it easy to carry and also preventing the sanding target surface from being eccentrically worn during sanding operation.