Seok-Ju
Seok Ju Choi, Daejeon KR
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20120060991 | AIRLESS TIRE - Disclosed herein is an airless are which absorbs shock and holds pressure applied to the tire through an auxetic spoke buffer without using air pressure. The airless tire includes a cylindrical tread being in contact with the ground, an axle fixing section having a smaller circumference than the tread and disposed inside the tread, and an auxetic spoke buffer connecting the tread and the axle fixing section and providing a buffering function. Accordingly, the airless tire is transformed only to an extent to properly function as a fire when the spoke buffer is transformed by pressure or impact and fully returns to an original shape when pressure or impact is removed. | 03-15-2012 |
20120136085 | POLYURETHANE FOAM AND PNEUMATIC TIRE - A polyurethane foam which is obtained by a reaction between a diol component and a diisocyanate component, with the diol component being a mixture of a polyether-based diol and a polyester-based diol, and a pneumatic tire to which the polyurethane foam is applied are provided. When a soft polyurethane foam is produced using a mixture of a polyether-based diol and a polyester-based diol as the diol component, and by varying the content of the expanding agent during the production process, and when the polyurethane foam is disposed in the cavity of a pneumatic tire, the polyurethane foam thus produced has an effect of reducing the resonance noise generated in the cavity of the tire and improving durability of the tire. | 05-31-2012 |
20140000777 | AIRLESS TIRE | 01-02-2014 |
20140238561 | NON-PNEUMATIC TIRE WITH REINFORCING MEMBER HAVING PLATE WIRE STRUCTURE - Disclosed herein is a non-pneumatic tire with a reinforcing member. The non-pneumatic tire includes a tread part which comes into contact with the ground, a rim part which is coupled to an axle, an outer annular band part which forms an interface with an inner surface of the tread part, an inner annular band part which forms an interface with the rim part, a spoke part which is disposed between the outer annular band part and the inner annular band part and functions as a support, a connector which connects spokes of the spoke part to each other, and a reinforcing member which has a plate wire structure. The non-pneumatic tire can effectively and sufficiently withstand the weight of a vehicle. Further, the performance of the tire is balanced with respect to the contact area, the displacement extent and the resistance to rolling. | 08-28-2014 |
Seok Ju Lee, Masan-Si KR
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20120245033 | TERMINAL STRUCTURE OF SUPERCONDUCTING CABLE SYSTEM - A superconducting cable terminal connection device connecting a terminal of a superconducting cable for power transmission to an external power system, includes: an electric field relaxation shield disposed inside an insulation housing; a horizontal conductor fixed to an end portion of a core of the superconducting cable drawn into the electric field relaxation shield; an insulator which coats an outer periphery of the horizontal conductor; a vertical conductor which is drawn into the electric field relaxation shield and has a through-hole through which the horizontal conductor and the insulator pass so as to be slidable in a lengthwise direction; and a flexible electrical conduction member which electrically connects an end portion of the horizontal conductor to the vertical conductor. | 09-27-2012 |
20120276770 | SUPER-CONDUCTING CABLE DEVICE - Provided is a superconducting cable device including: a first superconducting cable and a second superconducting cable; an intermediate connection box which connects the first and second superconducting cables to each other; and a cooling device which causes a coolant to flow inside the intermediate connection box in a lengthwise direction of the intermediate connection box, wherein a cable connection portion for connecting the first and second superconducting cables to each other is provided in the intermediate connection box. In an uncooled state, the cable connection portion is disposed to be eccentric from a center line in the lengthwise direction of the intermediate connection box in a direction in which the coolant flows. | 11-01-2012 |
Seok Ju Lee, Daejeon KR
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20110166356 | METHOD FOR PREPARING MONTELUKAST SODIUM SALTS - Disclosed is a method for preparing a montelukast sodium salt of Formula 1. The method includes coupling a methanesulfonyl compound of Formula 2 below with a compound of Formula 3 below in the presence of a bistrimethylsilylamide alkali metal salt, further adding an alkali metal base thereto and hydrolyzing the mixture by heating to prepare a compound of Formula 4 below, reacting the compound of Formula 4 with 4-tert-butylcyclohexylamine, followed by purification, to prepare an amine salt of Formula 5, and converting the amine salt of Formula 5 into a sodium salt. | 07-07-2011 |
Seok Ju Oh, Gyeonggi-Do KR
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20130239741 | Rocker Arm Shaft with Improved Abrasion Resistance and Rocker Arm Shaft/Bush Assembly Comprising Same - The present disclosure relates to a rocker arm shaft and a rocker arm shaft/bush assembly including a rocker arm shaft, and a rocker arm bush which encloses the rocker arm shaft, in which the rocker arm shaft has a surface on which minutely processed concave-convex portions are formed, thereby achieving excellent lubricative characteristics and as a result having excellent abrasion resistance. | 09-19-2013 |
20140345453 | CYLINDER DEVICE HAVING IMPROVED WEAR RESISTANCE THROUGH OPTIMAL ARRANGEMENT OF FINE TEXTURES - There is provided a cylinder device having optimal arrangement of fine textures and optimal surface roughness capable of reducing wear of a cylinder bore side and a piston ring by processing fine textures in an optimal selection region of the cylinder bore side to improve lubrication characteristics between the piston ring and the cylinder bore side while reducing engine oil consumption by processing surface roughness of the cylinder bore side to an optimal status. | 11-27-2014 |
Seok Ju Song, Cheongju-City KR
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20100275889 | FUEL HEATING EQUIPMENT OF DIESEL ENGINE - Disclosed is a fuel heating equipment of a diesel engine for preheating and heating fuel to supply the fuel to the engine. The fuel heating equipment of the diesel engine includes a main heating part having a collective tank, which is formed between runners connected to a first side of the engine and an exhaust pipe, and is heated by exhaust heat introduced from the runner, and a fuel supply pipe, which extends from a fuel tank and is wound around the collective tank to heat fuel, which passes through the fuel supply pipe due to heat conducted from the collective tank, so as to supply the fuel to the engine. The fuel heating equipment of the diesel engine further includes a preheating part provided such that the fuel supply pipe is inserted along the exhaust pipe to prevent the fuel, which is cooled by cold outside air in the winter season, from being directly introduced to the collective tank. | 11-04-2010 |
Seok-Ju Kang, Buk-Gu KR
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20100140596 | ORGANIC THIN FILM TRANSISTOR AND METHOD OF MANUFACTURING THE SAME - Provided is an organic thin film transistor and method of forming the same. The organic thin film transistor can decrease threshold voltage and driving voltage by forming a thin organic dielectric layer in a lamella structure using a diblock copolymer including a hydrophilic polymer with high permittivity and a hydrophobic polymer with low permittivity together. Also, the method can simplify the manufacturing process by forming an organic dielectric layer including polymers having two different physical properties through one spin coating. | 06-10-2010 |
Seok-Ju Kim, Chungcheongnam-Do KR
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20090298289 | Chemical Mechanical Polishing Composition for Copper Comprising Zeolite - The present invention relates to a novel slurry composition for copper polishing, comprising zeolite which is a porous crystalline material for CMP of copper film in a semiconductor manufacturing process. The slurry composition according to the present invention comprises zeolite, an oxidant and a polish promoting agent and may further comprise a corrosion inhibitor, a surfactant, an aminoalcohol, an antiseptic and a dispersion agent and pH is in a range of 1 to 7. The zeolite slurry according to the present invention has advantages of absorbing and removing metal cation generated in CMP process by using zeolite and having a low level of scratches as the zeolite has micropores therein and thus its hardness is low. The slurry composition using zeolite of the present invention is usable to both first and second step polishing of copper damascene process and particularly useful as the first step polishing slurry for copper. | 12-03-2009 |
Seok-Ju Kim, Gongju-City KR
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20110045741 | Auto-Stopping Abrasive Composition for Polishing High Step Height Oxide Layer - Disclosed is a chemical-mechanical polishing composition used in a process for chemical-mechanical polishing of silicon oxide layer having severe unevenness with large step-height. The composition includes abrasive particles of metal oxide; and at least one compound(s) selected from the group consisting of amino alcohols, hydroxycarboxylic acid having at least 3 of the total number of carboxylic acid group(s) and hydroxyl group(s) or their salts, or a mixture thereof. A polymeric organic acid, a preservative, a lubricant and a surfactant may be further contained. The composition shortens the vapor-deposition time of a layer to be polished, saves the raw material to be vapor-deposited, shortens the chemical-mechanical polishing time, and saves the slurry employed. | 02-24-2011 |
Seok-Ju Lee, Hwaseong-Si KR
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20110278662 | SEMICONDUCTOR DEVICE INCLUDING RECESSED CHANNEL TRANSISTOR AND METHOD OF MANUFACTURING THE SAME - A semiconductor device including a recessed channel transistor, and a method of manufacturing the same, provide: a substrate in which an isolation trench is provided; an isolation layer provided in the isolation trench so as to define a pair of source/drain regions in the substrate; a gate pattern provided in the isolation trench between the pair of source/drain regions, the gate pattern having a top surface at a same level as a top surface of the isolation layer and having a bottom surface at a lower depth than the pair of source/drain regions with respect to a top surface of the substrate; and a gate insulating layer provided between the substrate and the gate pattern at a bottom surface of the isolation trench. | 11-17-2011 |
Seok-Ju Park, Hwaseong-Si KR
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20140174468 | CLEANING DEVICE, CLEANING METHOD, AND METHOD OF MANUFACTURING THE CLEANING DEVICE - Provided are a cleaning device that may be applied to a manufacturing equipment without stopping operations of the equipment, a cleaning method, and a method of manufacturing a device. The cleaning device includes: a frame substrate configured to frame the cleaning device; a first functional membrane on a first surface of the frame substrate; and a second functional membrane on a second surface of the frame substrate, which is opposite to the first surface. The cleaning method includes: positioning a cleaning device including a frame substrate and functional membranes formed on opposite surfaces of the frame substrate on a support configured to support a substrate, during a semiconductor manufacturing process or a display manufacturing process on the substrate; maintaining the positioning of the cleaning device on the support for a predetermined time period; and removing the cleaning device from the support. | 06-26-2014 |