Abstract: The present disclosure relates to a thin film forming method, and more particularly, to a thin film forming method for forming a gallium nitride thin film. In accordance with an exemplary embodiment, a thin film forming method includes: loading a substrate into a process space of a chamber; and forming a gallium nitride thin film on the substrate, and the forming of the gallium nitride thin film includes: supplying a source gas containing gallium onto the substrate; supplying a reactant gas containing nitrogen onto the substrate; and activating and supplying a post-treatment gas containing hydrogen onto the substrate.

Abstract: The present disclosure provides a large-area blank wherein no crystal-phase peak exists in the range of 2? 10-70, and the degree of crystallinity of 0.00% in an X-ray diffraction analysis pattern using CuK? rays, but crystalline particles having an average particle size of 10-70 nm are confirmed to be distributed in an amorphous SiO2—Li2O—Al2O3-series glass matrix from an SEM-based analysis, and the blank has a long-axis length of at least 60 mm and a thickness of at least 6 mm. The present disclosure has the following advantages: the blank is a workpiece having a large area and excellent processability such that processability can be improved during cutting, thereby reducing tool resistance and wear ratio, and increasing the tool lifespan; edge chipping can be reduced during processing; when fabricating multiple dental restorations successively by using a single blank, the blank use efficiency can be improved, and dental restoration productivity can be improved.

Abstract: An aerosol generating device includes a heater configured to heat an aerosol generating article, a gas sensor configured to sense a concentration of a particular gas, and a controller configured to control a supply of power to the heater, wherein the controller is configured to determine any one temperature profile from among a plurality of temperature profiles on the basis of a sensing value of the gas sensor.

Abstract: An aerosol-generating article according to one aspect of the present disclosure may include a tobacco medium portion, a filter portion disposed to be spaced apart from the tobacco medium portion, and a tubular cooling portion disposed between the tobacco medium portion and the filter portion. A tobacco medium may be included in a wall constituting the cooling portion.

Abstract: The present invention relates to a pouch type secondary battery with improved insulation performance, a secondary battery module including the same, and a pouch therefor. The pouch type secondary battery has a pouch that includes: an accommodation part in which the electrode assembly is accommodated and an edge part disposed along an outer circumference of the accommodation part to define an edge. The edge part includes an insulating layer having an insulating material, and, in the insulating layer, a first insulating layer and a second insulating layer are stacked in sequence from an inside toward an outside of the pouch.

Abstract: An aerosol generating device includes: a coil configured to generate a magnetic field by a current flowing through the coil; a heater configured to be induction heated via the magnetic field; and a controller configured to control the current. The controller is further configured to change a frequency of the current flowing through the coil within a pre-set driving frequency range; and determine whether a magnitude of the current flowing through the coil exceeds a threshold value according to one or more changed frequencies of the current.

Abstract: Disclosed are a composition for an organic optoelectronic device including at least one kind of a first host compound represented by the Chemical Formula 1 and at least one kind of a second host compound represented by the Chemical Formula 2, and an organic optoelectronic device and a display device including the composition.

Abstract: A battery cooling system includes: a heating element for performing a resistance function of a battery to be subjected to a cooling test; a heating-load controller for controlling a heating load of the heating element according to a thermal model; an environment controller for controlling at least one battery cooling environment parameter such as outdoor temperature and initial temperature; a power supply for applying a current for each evaluation condition by connecting a charger/discharger to the heating element; a cooling processing part for supplying a cooling fluid such as air, coolant, or a refrigerant at a constant temperature and flow rate; and a cooling performance determination part for measuring a temperature of a battery cell over time and determining whether a target performance of the battery is satisfied.

Abstract: The present invention relates to a method for biologically producing, from seaweeds, 3,6-anhydro-L-galactitol (L-AHGol) which is a novel sugar alcohol, and agarobititol (ABol) which is in a disaccharide form having 3,6-anhydro-L-galactitol (L-AHGol) as a reducing end, by using a genetic engineering technique in GRAS strains.

Abstract: A method for a pouch film according to an embodiment of the present invention includes: a step of applying an adhesive on one surface of a first polymer layer; a step of depositing metal particles on the adhesive; a step of applying heat and a pressure to the deposited metal particles to sinter the metal particles and thereby forming a gas barrier layer; and a step of laminating a second polymer layer on one surface of the gas barrier layer.

Abstract: The present specification provides a heterocyclic compound represented by Chemical Formula 1, an organic light emitting device comprising the same, a composition for an organic material layer of an organic light emitting device, and a method for manufacturing an organic light emitting device.

Abstract: A battery case for a secondary battery according to an embodiment of the present invention for achieving the object can include a cup part provided with an accommodation space configured to accommodate an electrode assembly formed by stacking an electrode and a separator; a sealing part extending outward from the cup part; and a gas discharge part which is attached from the inside to a hole formed by perforating at least one of the cup part or the sealing part and through which a gas passes. The gas discharge part can include a gas discharge layer through which the gas passes; and an outer functional layer which is formed on an outer surface of the gas discharge layer and has hydrophobicity.

Abstract: A tobacco material includes a core including a first tobacco mixture, and a shell surrounding at least a portion of the core and including a second tobacco mixture, wherein the first tobacco mixture includes first tobacco particles and a flavor substance, the second tobacco mixture includes second tobacco particles, and the shell has a surface roughness (Ra) of about 5.0 to about 10.0.

Abstract: A display device and method of fabricating the same are provided. The display device includes a substrate and a thin-film transistor formed on the substrate. The thin-film transistor includes a lower gate conductive layer disposed on the substrate, and a lower gate insulating film disposed on the lower gate conductive layer The lower gate insulating film includes an upper surface and sidewalls. The thin-film transistor includes an active layer disposed on the upper surface of the lower gate insulating film, the active layer including sidewalls. At least one of the sidewalls of the lower gate insulating film and at least one of the sidewalls of the active layer are aligned with each other.

Abstract: The present invention relates to a series of novel benzoimidazole derivatives and their use.

Abstract: A method for fabricating a semiconductor device is provided. The method for fabricating the semiconductor device includes a first step of loading a first wafer including a plurality of semiconductor chips having the same pattern on a stage of a wafer inspection apparatus, a second step of inspecting the plurality of semiconductor chips using light having different wavelengths from each other, and a third step of unloading the first wafer from the stage of the wafer inspection apparatus, wherein inspecting of the plurality of semiconductor chips using the light includes inspecting patterns at the same first positions of the respective semiconductor chips, inspecting patterns at the same second positions of the respective semiconductor chips, inspecting patterns at the same k-th positions of the respective semiconductor chips, and determining the semiconductor chip having a pattern defect by combining pattern inspection results at each of the first to k-th positions.

Abstract: A thin film transistor according to an exemplary embodiment of the present invention includes an oxide semiconductor. A source electrode and a drain electrode face each other. The source electrode and the drain electrode are positioned at two opposite sides, respectively, of the oxide semiconductor. A low conductive region is positioned between the source electrode or the drain electrode and the oxide semiconductor. An insulating layer is positioned on the oxide semiconductor and the low conductive region. A gate electrode is positioned on the insulating layer. The insulating layer covers the oxide semiconductor and the low conductive region. A carrier concentration of the low conductive region is lower than a carrier concentration of the source electrode or the drain electrode.

Abstract: A battery case for a secondary battery according to an embodiment of the present invention can include a cup part having an accommodation space configured to accommodate an electrode assembly in which electrodes and separators are stacked; a sealing part extending to the outside of the cup part; a gas discharge part attached to a hole which is formed to be punched in at least one of the cup part or the sealing part from the outside and through which a gas passes; and a coating part applied to an inner circumferential surface of the hole and having electrolyte resistance, wherein the gas discharge part includes: a gas discharge layer through which the gas passes; and an outer functional layer formed on an outer surface of the gas discharge layer and having a hydrophobic property.

Abstract: Compositions and methods are provided for producing 2?fucosyliaciose and L-fucose from recombinant microorganisms.

Abstract: An aerosol generating device includes a first housing part including a first cover portion and a first coupling portion, a second housing part including a second cover portion and a second coupling portion, a third housing part a third coupling portion configured to be coupled to the first coupling portion and a fourth coupling portion configured to be coupled to the second coupling portion, and a fourth housing part including an article insertion portion configured to accommodate at least a portion of an aerosol generating article.