Abstract: Provided are an iodine-containing metal compound, a composition for depositing a metal-containing thin film including the same, and a method of manufacturing a metal-containing thin film using the same. Since the composition for depositing a thin film according to one embodiment is present in a liquid state at room temperature, it has excellent storage and handling properties, and since the composition has high reactivity, a metal thin film may be efficiently formed using the composition.

Abstract: Provided are a composition for depositing an antimony-containing thin film including a novel antimony compound which may be useful as a precursor of an antimony-containing thin film and a method for manufacturing an antimony-containing thin film using the same.

Abstract: Disclosed herein is a method of manufacturing a plasma-resistant coating film. The method includes (1) forming a lower coating layer through a thermal spray process, on a base member, from a first rare earth metal compound powder including 90 to 99.9 wt % of first rare earth metal compound particles and 0.1 to 10 wt % of silica (SiO2) particles, (2) processing the surface of the lower coating layer formed in step (1) to have an average surface roughness of 1 to 6 ?m, and (3) forming an upper coating layer through a suspension plasma spray process, on the lower coating layer which is surface-treated in step (2), from second rare earth metal compound particles, to obtain a structurally dense and chemically stable plasma-resistant coating film with improved plasma resistance.

Abstract: In one aspect, a multifunctional portable article holder is provided. The holder comprises a cup holder section configured to hold a portable container, a moving holder section configured to affix a mobile device placed on and held by the cup holder section, a holder plate coupling the cup holder section and the moving holder section, and a multifunctional member composed of one or more of a folding mechanism configured to fold or unfold the cup holder section with respect to the holder plate, a tilt mechanism configured to position the mobile device on the cup holder section at different watching angles, and a sliding mechanism configured to move the moving holder section within a height-adjustable distance.

Abstract: A chemical mechanical polishing apparatus includes a cleaning unit that cleans a substrate, a brushing unit that includes a plurality of roll brushes brushing the substrate and a driver driving the roll brushes, and a controlling unit that controls the driver. The controlling unit includes a time calculator that counts a usage time of the roll brushes, and a drive controller that reduces a distance between the roll brushes, based on the usage time of the roll brushes.

Abstract: The present disclosure relates to an yttrium-based granular powder for thermal spraying. More particularly, the yttrium-based granular powder is a mixture including one or more yttrium compound powders selected from among Y2O3, YOF, YF3, Y4Al2O9, Y3Al5O12, and YAlO3, and a silica (SiO2) powder. A Y—Si—O intermediate phase is included therein in a content of less than 10 wt %. The thermal spray coating manufactured using the same has a low porosity, and forms a very dense thin film, thus ensuring excellent plasma resistance.

Abstract: Proposed is a method of producing an yttrium-based thermal spray coating. The method includes forming a coating on a substrate by atmospheric plasma spraying of an yttrium-based granular powder including at least one yttrium compound powder selected from the group consisting of Y2O3, YOF, YF3, Y4Al2O9, Y3Al5O12, and YAlO3, and a silica (SiO2) powder. The yttrium-based granular powder includes less than 10 w % of a Y—Si—O mesophase. Then yttrium-based thermal spray coating can exhibit low porosity, high density, and excellent plasma resistance.

Abstract: The present disclosure relates to an yttrium-based granular powder for thermal spraying. More particularly, the yttrium-based granular powder is a mixture including one or more yttrium compound powders selected from among Y2O3, YOF, YF3, Y4Al2O9, Y3Al5O12, and YAlO3, and a silica (SiO2) powder. A Y—Si—O intermediate phase is included therein in a content of less than 10 wt %. The thermal spray coating manufactured using the same has a low porosity, and forms a very dense thin film, thus ensuring excellent plasma resistance.

Abstract: A chemical mechanical polishing apparatus includes a cleaning unit that cleans a substrate, a brushing unit that includes a plurality of roll brushes brushing the substrate and a driver driving the roll brushes, and a controlling unit that controls the driver. The controlling unit includes a time calculator that counts a usage time of the roll brushes, and a drive controller that reduces a distance between the roll brushes, based on the usage time of the roll brushes.

Abstract: An electronic apparatus and a method of operating the same are provided. The electronic apparatus includes: a communication interface comprising communication interface circuitry; a memory storing at least one instruction; and a processor configured to execute the at least one instruction stored in the memory to cause the electronic apparatus to: determine at least one content stream to be pre-fetched; configure a playback pipeline corresponding to the determined at least one content stream considering an available resource of the electronic apparatus; pre-fetch the at least one content stream based on the configured playback pipeline; determine whether to update the pre-fetched at least one content stream based on a type of the pre-fetched at least one content stream; and update the pre-fetched at least one content stream at regular time intervals based on a result of the determining of whether to update.

Abstract: An electronic apparatus and an operating method thereof. The electronic apparatus includes a memory which stores one or more instructions and a processor which executes one or more instructions stored in the memory. The processor executes the instructions to obtain one or more contents to be pre-fetched, to obtain one or more resources available in the electronic apparatus, to determine a priority of the one or more resources, and to allocate the one or more of the obtained resources, based on the obtained priority, forming a pipeline in which the obtained one or more contents are processed.

Abstract: Provided are a system and method for positioning a mobile device by using a Bluetooth signal, and more particularly, to a system and method for positioning a mobile device by using a Bluetooth signal, in which a location of a user carrying a mobile device is effectively determined by using the mobile device receiving a Bluetooth signal, and a method of positioning the mobile device. Provided are a system and method for positioning a mobile device by using a Bluetooth signal, in which a location of the mobile device may be more accurately determined by considering a Bluetooth signal receiving environment of the mobile device when providing a service and method of determining a location of the mobile device by using a Bluetooth signal.

Abstract: An electronic apparatus and a method of operating the same are provided. The electronic apparatus includes: a communication interface comprising communication interface circuitry; a memory storing at least one instruction; and a processor configured to execute the at least one instruction stored in the memory to cause the electronic apparatus to: determine at least one content stream to be pre-fetched; configure a playback pipeline corresponding to the determined at least one content stream considering an available resource of the electronic apparatus; pre-fetch the at least one content stream based on the configured playback pipeline; determine whether to update the pre-fetched at least one content stream based on a type of the pre-fetched at least one content stream; and update the pre-fetched at least one content stream at regular time intervals based on a result of the determining of whether to update.

Abstract: An electronic apparatus and an operating method thereof. The electronic apparatus includes a memory which stores one or more instructions and a processor which executes one or more instructions stored in the memory. The processor executes the instructions to obtain one or more contents to be pre-fetched, to obtain one or more resources available in the electronic apparatus, to determine a priority of the one or more resources, and to allocate the one or more of the obtained resources, based on the obtained priority, forming a pipeline in which the obtained one or more contents are processed.

Abstract: Provided are a system and method for positioning a mobile device by using a Bluetooth signal, and more particularly, to a system and method for positioning a mobile device by using a Bluetooth signal, in which a location of a user carrying a mobile device is effectively determined by using the mobile device receiving a Bluetooth signal, and a method of positioning the mobile device. Provided are a system and method for positioning a mobile device by using a Bluetooth signal, in which a location of the mobile device may be more accurately determined by considering a Bluetooth signal receiving environment of the mobile device when providing a service and method of determining a location of the mobile device by using a Bluetooth signal.

Abstract: A visible light sensitive photocatalyst including a compound represented by Formula 1: Aa-xM1xSib-yM2yOc??Formula 1 wherein A is one or more metals selected from Ag, Cu, and Au; M1 is one or more metals selected from Li, Na, K, Rb, and Cs; M2 is one or more metals selected from Ge, Sn, Ti, Zr, and Hf, and 1.7?a?2.3, 0.7?b?1.3, 2.7?c?3.3, 0?x<a, and 0?y<b.

Abstract: A composite protective layer for a photoelectrode, the composite protective layer including a chemical protective layer; and a physical protective layer, wherein the chemical protective layer has corrosion rate of 0.1 Coulombs per square centimeter per 10 hours or less when evaluated at a water decomposition potential, and the physical protective layer has a moisture transmittance rate of 0.001 grams per square meter per day or less and has an electrical conductivity.

Abstract: A visible light sensitive photocatalyst including: a composite including a first metal oxide, a second metal oxide, and a heterojunction therebetween, wherein the first and second metal oxides each include a Group 11 metal, wherein a first bond between metal atoms of the first metal oxide has a length that is smaller than a Van der Waals distance between the metals of the first bond, wherein a second bond between metal atoms of the second metal oxide has a length that is smaller than a Van der Waals distance between the metals of the second bond, and, wherein the composite has a band gap energy of about 1.0 eV to about 2.5 eV.

Abstract: A light absorbing layer for a photoelectrode structure, the light absorbing layer including copper oxide, wherein metallic copper (Cu) is present at a grain boundary of the copper oxide. Also, a photoelectrode structure including the light absorbing layer, a photoelectrochemical cell including the photoelectrode structure, and a solar cell including the light absorbing layer.

Abstract: A method of preparing a solid ink composition, comprising the steps of: reacting 15-25 parts by weight of base oil including coconut oil, palm oil and castor oil and 40-60 parts by weight of aliphatic organic acid of 10 to 20 carbon atoms with 7-15 parts by weight of a caustic soda solution (concentration: 40%) to saponify the base oil and to change the aliphatic organic acid into sodium salt thereof; mixing 3-10 by weight of glycerin, 10-20 by weight of ethanol, 0.1-1.0 by weight of a dye and 1-10 by weight of silica with the reaction product and then melting the mixture at 70-80° C.; and cooling the molten mixture. The solid ink composition prepared by the method is very transparent, and has excellent miscibility and stability because it is easily mixed with a water-soluble dye or a water-soluble fluorescent dye.