Abstract: Three-dimensional (3D) semiconductor memory devices and methods of manufacturing the same are provided. Three-dimensional (3D) semiconductor memory devices may include a substrate including a cell array region and a connection region, a lower stack structure including a plurality of lower electrodes vertically stacked on the substrate, the lower stack structure having a first stair step structure extending in a first direction on the connection region and a second stair step structure extending in a second direction substantially perpendicular to the first direction on the connection region, and a plurality of intermediate stack structures vertically stacked on the lower stack structure. Each of the intermediate stack structures includes a plurality of intermediate electrodes vertically stacked and has a third stair step structure extending in the second direction on the connection region.

Abstract: A method for connecting webservers and web application servers (WAS's) is provided. The method includes steps of: (a) a WAS admin server, while managing multiple existing WAS managed servers and communicating with multiple existing webservers, if a new webserver except the multiple existing webservers or a new WAS managed server except the multiple existing WAS managed servers is determined as being operated, receiving connection state information of the new webserver or that of the new WAS managed server; and (b) the WAS admin server delivering the connection state information of the new webserver or that of the new WAS to the multiple existing WAS managed servers and the multiple existing webservers.

Abstract: The present invention relates to polymer composite particles containing much organic sunscreen agents and a method of preparing the polymer composite particles, and more particularly to polymer composite particles containing much organic sunscreen agents that are spherical polymer composite particles in which solid organic Sunscreen agents are embedded between polymer matrixes by 40 to 50 wt %, include a significantly larger amount of the organic sunscreen agents than polymer composite particles of related art, have excellent light stability despite presence of a large amount of organic sunscreen agents, are superior not only in UV-A region but also UV-B region, are excellent in skin stability and feeling of use when applied to cosmetics, and can significantly improve sunscreen function, and a method of preparing the polymer composite particles.

Abstract: Three-dimensional (3D) semiconductor memory devices and methods of manufacturing the same are provided. Three-dimensional (3D) semiconductor memory devices may include a substrate including a cell array region and a connection region, a lower stack structure including a plurality of lower electrodes vertically stacked on the substrate, the lower stack structure having a first stair step structure extending in a first direction on the connection region and a second stair step structure extending in a second direction substantially perpendicular to the first direction on the connection region, and a plurality of intermediate stack structures vertically stacked on the lower stack structure. Each of the intermediate stack structures includes a plurality of intermediate electrodes vertically stacked and has a third stair step structure extending in the second direction on the connection region.

Abstract: The present invention relates to a liquid drop releasing cosmetic material, and particularly to a cosmetic material of releasing liquid drop by rubbing, which comprises: (a) a card house structure having a space formed with a plate-shaped substance therein; and (b) liquid drop contained in the space of the card house structure. A liquid drop releasing cosmetic material according to the present invention has an excellent visual effect and feeling of use by releasing liquid drop due to rubbing during use and fundamentally solves side effect and antipathy of users due to silicone polymer because it is free from a silicone polymer, and has excellent stability in a cosmetic material of a drop releasing structure.

Abstract: Three-dimensional (3D) semiconductor memory devices and methods of manufacturing the same are provided. Three-dimensional (3D) semiconductor memory devices may include a substrate including a cell array region and a connection region, a lower stack structure including a plurality of lower electrodes vertically stacked on the substrate, the lower stack structure having a first stair step structure extending in a first direction on the connection region and a second stair step structure extending in a second direction substantially perpendicular to the first direction on the connection region, and a plurality of intermediate stack structures vertically stacked on the lower stack structure. Each of the intermediate stack structures includes a plurality of intermediate electrodes vertically stacked and has a third stair step structure extending in the second direction on the connection region.

Abstract: A controlling method of an electronic device is provided. The method includes receiving a search request for a searching object device from a terminal device, broadcasting a pre-defined search signal in response to the search request, in response to a response signal being received from an external device in response to the pre-defined search signal, analyzing a pattern of the received response signal and determining whether the external device is the searching object device, and in response to the external device being determined as the searching object device, transmitting intensity information of the received response signal to the terminal device to determine a position of the external device which is determined as the searching object device.

Abstract: Provided is a joint pattern beam sectorization method and apparatuses for performing the same, wherein the joint pattern beam sectorization method including generating, in a service target region, a pattern sector corresponding to an antenna array including antennas having an identical radiation pattern by using the antenna array and generating pattern beam sectors in the pattern sector through a beamforming using the antennas.

Abstract: A vertical memory device includes a channel, gate lines, and a cutting pattern, respectively, on a substrate. The channel extends in a first direction substantially perpendicular to an upper surface of the substrate. The gate linesare spaced apart from each other in the first direction. Each of the gate lines surrounds the channel and extends in a second direction substantially parallel to the upper surface of the substrate. The cutting pattern includes a first cutting portion extending in the first direction and cutting the gate lines, and a second cutting portion crossing the first cutting portion and merged with the first cutting portion.

Abstract: Three-dimensional (3D) semiconductor memory devices and methods of manufacturing the same are provided. Three-dimensional (3D) semiconductor memory devices may include a substrate including a cell array region and a connection region, a lower stack structure including a plurality of lower electrodes vertically stacked on the substrate, the lower stack structure having a first stair step structure extending in a first direction on the connection region and a second stair step structure extending in a second direction substantially perpendicular to the first direction on the connection region, and a plurality of intermediate stack structures vertically stacked on the lower stack structure. Each of the intermediate stack structures includes a plurality of intermediate electrodes vertically stacked and has a third stair step structure extending in the second direction on the connection region.

Abstract: The present invention relates to a hemispherical polymethylmethacrylate bead, wherein the hemispherical polymethylmethacrylate bead of the invention has high adhesive property and oil absorption when applied to cosmetics, medical supply, household items, display devices, lighting fixtures, and miscellaneous goods and especially, it enables cheerful color when applied to cosmetics in comparison with spherical polymethylmethacrylate beads.

Abstract: Provided is a joint pattern beam sectorization method and apparatuses for performing the same, wherein the joint pattern beam sectorization method including generating, in a service target region, a pattern sector corresponding to an antenna array including antennas having an identical radiation pattern by using the antenna array and generating pattern beam sectors in the pattern sector through a beamforming using the antennas.

Abstract: A semiconductor device is bonded by an anisotropic conductive film composition. The anisotropic conductive film composition includes an ethylene-vinyl acetate copolymer, a polyurethane resin, and organic fine particles. The anisotropic conductive film composition has a melt viscosity of about 2,000 to about 8,000 Pa·s at 80° C.

Abstract: Disclosed is an oral pharmaceutical composition for preventing or treating dry eye syndrome, which comprises rebamipide or a prodrug thereof, or a pharmaceutically acceptable salt thereof, as an active ingredient. The compounds can treat dry eye syndrome via oral route, and can be thus employed safely and conveniently compared to conventional eye drops.

Abstract: Disclosure relates to a board block for vehicles. A housing forms an outer appearance of the board block of the present invention. The housing includes a housing body and a housing cover. A interior space is formed in the housing body, and a first connection unit is formed at one side of an upper end of the housing body. The housing cover covers the upper end of the housing body and the first connection unit.

Abstract: Disclosed are a novel rebamipide prodrug, a method for preparing the same, and use thereof. Also, a pharmaceutical composition comprising the novel rebamipide prodrug as an active ingredient is provided. The rebamipide prodrug is increased 25-fold in absorption rate compared to rebamipide itself, and can be applied to the prophylaxis or therapy of gastric ulcer, acute gastritis, chronic gastritis, xerophthalmia, cancer, osteoarthritis, rheumatoid arthritis, or obesity.

Abstract: The present invention relates to a hemispherical polymethylmethacrylate bead, wherein the hemispherical polymethylmethacrylate bead of the invention has high adhesive property and oil absorption when applied to cosmetics, medical supply, household items, display devices, lighting fixtures, and miscellaneous goods and especially, it enables cheerful color when applied to cosmetics in comparison with spherical polymethylmethacrylate beads.

Abstract: In a method of forming a pattern structure, a cut-off portion of the node-separated line of a semiconductor device is formed by a double patterning process by using a connection portion of the sacrificial mask pattern and the mask pattern to thereby improve alignment margin. The alignment margin between the mask pattern and the sacrificial mask pattern is increased to an amount of the length of the connection portion of the sacrificial mask pattern. The lines adjacent to the node-separated line include a protrusion portion protruding toward the cut-off portion of the separated line.

Abstract: Disclosed are spherical particles of clopidogrel bisulfate and a pharmaceutical composition containing the same. The spherical particles can be used for preparing a tablet having sufficient hardness through direct compression, by improving unformulable properties of clopidogrel bisulfate such as compressibility, flowability and strong surface electrostatic charges, reduce a problem in compressing tablets such as weight variation, sticking, etc., and the risk of form conversion, and improve physiochemical stability. Therefore, the spherical particles of the present invention may be used as therapeutics for arteriosclerosis, stroke, myocardial infarction and atherosclerosis.

Abstract: An electrical connection material between conductors includes about 40 wt % to about 80 wt % of a urethane-modified acrylate resin, based on a total weight of the electrical connection material, the electrical connection material exhibiting, after curing, a tensile elongation of about 100% to about 500% and a yield point strain of about 10% to about 50% in a stress-strain curve.