Young-Chang
Young-Chang Cho, Cheongju-City KR
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20080253157 | Method for Switching Low-Power Using Ac and System for Performing the Same and Power Supply for Using the System - A power control method using AC power, the method being capable of performing: low power control that passes only two portions of positive direction waves of each one-cycle sine wave of the AC power and only two portions of negative direction waves of each one-cycle sine wave of the AC power, which have voltage levels lower than a set reference voltage level, through a system; and high power control that does not pass only two portions of positive direction waves of each one-cycle sine wave of the AC power and only two portions of negative direction waves of each one-cycle sine wave of the AC power, which have voltage levels lower than a set reference voltage level, through the system. | 10-16-2008 |
20080303455 | Method for Driving of a Fluorescent Lighting and a Ballast Stabilizer Circuit for Performing the Same - A method of driving a fluorescent light, having: (a) receiving and full-wave rectifying commercial AC power; (b) dividing phases of the AC power full-wave rectified at step (a) depending on voltage magnitude, and performing switching control such that low-voltage portions of the divided voltages, having low phases, are used as heating power for heating filaments of a fluorescent tube, and high-voltage portions of the divided voltages, having high phases, are used as discharge voltage of the fluorescent tube; (c) switching on the low-voltage portions having low phases as the heating power for heating the filaments of the fluorescent tube in response to a signal output at step (b); and (d) switching on the high-voltage portions having high phases as the lighting power of the fluorescent tube in response to the signal output at step (b). | 12-11-2008 |
Young-Chang Kim, Suwon KR
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20130273595 | METHOD FOR DETERMINING AGE OF GINSENG ROOTS USING CHROMATOGRAMPHY-MASS SPECTROSCOPY - Disclosed is a method for determining the age of ginseng roots using chromatography-mass spectroscopy. It comprises: extracting a metabolome from a ginseng sample; subjecting the metabolome to liquid chromatography-mass spectroscopy (LC/MS) or gas chromatography-mass spectroscopy (GC/MS) to afford an analysis result; converting the LC/MS or GC/MS analysis result to statistically accessible data; and performing a statistical analysis of the data to determine the age of ginseng sample. Based on the metabolite fingerprinting of metabolomics, the method can determine the exact age of ginseng roots from a very small amount of roots within a short time in a non-destructive manner with minimal damage to the roots. | 10-17-2013 |
Young-Chang Kim, Songkang-Dong KR
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20140297603 | METHOD AND APPARATUS FOR DEDUPLICATION OF REPLICATED FILE - A replicated file deduplication apparatus generates a hash key of a requested data block, determines whether the same data block as the requested data block exists in data blocks of a replicated image file that is derived from the same golden image file as the requested data block using the hash key of the requested data block, and records, if the same data block as the requested data block exists, information of a chunk in which the same data block as the requested data block is stored at a layout of the requested data block. | 10-02-2014 |
Young-Chang Kim, Yongin-Si KR
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20110123853 | SECONDARY BATTERY - A secondary battery including an electrode assembly, a can to house the electrode assembly, and electrical insulators that expand to secure the electrode assembly in the can, by absorbing a significant amount of liquid. | 05-26-2011 |
20150140381 | RECHARGEABLE BATTERY - A rechargeable battery with improved safety and increased capacity of a cell including: an electrode assembly including a first electrode, a second electrode, and a separator between the first and second electrodes; a case comprising an opening configured to receive the electrode assembly; a cap assembly coupled to the sides of the opening of the case; and a lead tab connecting the first electrode to the cap assembly, wherein the first electrode includes a coating region where an active material is coated on both surfaces of a current collector, a first uncoated region where the active material is not coated on the current collector, and a second uncoated region where the active material is not coated on one surface of the current collector. | 05-21-2015 |
Young-Chang Kim US
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20110177437 | Compensating Masks, Multi-Optical Systems Using the Masks, and Methods of Compensating for 3-D Mask Effect Using the Same - Provided are a compensating mask, a multi-optical system using the compensating mask, and a method of compensating for a 3-dimensional (3-D) mask effect using the compensating mask. Methods of compensating for a 3-D mask effect using a compensating mask may include generating a first kernel corresponding to a normal mask used for forming a minute pattern, generating a second kernel corresponding to a compensating mask, mixing the first kernel corresponding to the normal mask with the second kernel corresponding to the compensating mask, and generating a multi-optical system kernel corresponding to mixing the first kernel and the second kernel. | 07-21-2011 |
Young-Chang Kim, Seoul KR
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20110202892 | RETARGET PROCESS MODELING METHOD, METHOD OF FABRICATING MASK USING THE RETARGET PROCESS MODELING METHOD, COMPUTER READABLE STORAGE MEDIUM, AND IMAGING SYSTEM - In a retarget process modeling method, an effect according to density of patterns, and shapes or distances with respect to neighboring patterns may be sufficiently reflected while a relatively small amount of time and few costs are consumed. The retarget process modeling method involves obtaining prediction data, by a modelling calculating unit, on a test layout using a first process model, obtaining bias data based on measurement data of the test layout and the prediction data, using the bias data to check and detect corresponding features of a representative pattern affected by a photoresist (PR) flow rate, generating kernels including a PR flow kernel in consideration of a sub resolution assist feature (SRAF) pattern of the representative pattern to determine an uncalibrated model including the kernels and obtaining a second process model by fitting the uncalibrated model to the measurement data to obtain a second process model. | 08-18-2011 |
20150287718 | SEMICONDUCTOR INTEGRATED CIRCUIT DEVICES - A semiconductor integrated circuit device may include a standard cell region on a surface of a substrate and a first active region on the surface of the substrate in the standard cell region, wherein the first active region has a length in a first direction. A second active region may be on the surface of the substrate in the standard cell region, the second active region may have a length in the first direction, the length of the second active region may be greater than the length of the first active region, and an axis in a second direction may intersect centers of the first and second active regions so that the first and second active regions are symmetric about the axis in the second direction. A first gate electrode may extend across the first active region in the first direction, and a second gate electrode may extend across the second active region in the first direction. | 10-08-2015 |
Young-Chang Lim, Seoul KR
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20100264017 | METHOD FOR DEPOSITING CERAMIC THIN FILM BY SPUTTERING USING NON-CONDUCTIVE TARGET - A method for depositing a ceramic thin film by sputtering is provided to increase deposition rate of the ceramic thin film and to enhance the uniformity of a deposited thin film, which are accomplished by positioning a nonconductive target within a vacuum chamber, and applying an AC/RF power to the target to produce plasma within the chamber, followed by the application of a hybrid power in combination of an AC/RF power and a DC power to the target to proceed a sputtering process inside the vacuum chamber, such that the ceramic thin film is deposited on a substrate placed in the vacuum chamber. | 10-21-2010 |
20100330411 | THIN FILM BATTERY AND METHOD OF CONNECTING ELECTRODE TERMINAL OF THIN FILM BATTERY - Provided is a thin film battery, including: a base substrate; a cathode current collector pattern and an anode current collector pattern being formed on the base substrate and being electrically separate from each other; a cathode terminal and an anode terminal being directly bonded with the cathode current collector pattern and the anode current collector pattern; a cathode and an anode being disposed on the cathode current collector pattern and the anode current collector pattern; and an electrolyte layer being disposed between the cathode and the anode. | 12-30-2010 |
20110020689 | BATTERY SYSTEM HAVING BATTERY MODULE, THERMAL SWITCH, HEATING SOURCE AND PIN STRUCTURE - A battery system ( | 01-27-2011 |
Young-Chang Lim, Yongin-Si KR
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20130045419 | NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, NEGATIVE ELECTRODE INCLUDING THE SAME AND METHOD OF PREPARING THE SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - Provided are a negative active material for a rechargeable lithium battery, which includes a first silicon oxide (SiO | 02-21-2013 |
20130052533 | NEGATIVE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - In one aspect, a negative active material for a lithium secondary battery including silicon oxide represented by a chemical formula SiO | 02-28-2013 |
20150024249 | RECHARGEABLE LITHIUM BATTERY AND METHOD OF PREPARING THE SAME - A rechargeable lithium battery includes a positive electrode, a negative electrode, a separator between the positive electrode and the negative electrode, the separator including a porous substrate and a coating layer on at least one side of the porous substrate, the coating layer including a fluorine-based polymer, a ceramic, or a combination thereof; and an electrolyte. The negative electrode includes a current collector, a negative active material layer on the current collector, the negative active material layer including a polyvinylidene fluoride (PVdF) latex particle and an aqueous binder, and a polymer layer on the negative active material layer, the polymer layer including a PVdF latex particle. | 01-22-2015 |
20160043360 | ULTRASONIC WELDING DEVICE, MANUFACTURING METHOD OF RECHARGEABLE BATTERY USING THE SAME, AND RECHARGEABLE BATTERY - An ultrasonic welding device includes a horn coupled to an ultrasonic wave oscillator. The horn performs ultrasonic welding by respectively disposing a negative electrode tab and a positive electrode tab on a negative electrode lead and a positive electrode lead of a rechargeable battery while pressure is applied. The horn includes a negative electrode horn and a positive electrode horn that respectively press the negative electrode tab and the positive electrode tab. The negative and positive electrode horns are integrally provided in a body and have pressing patterns of different shapes. | 02-11-2016 |
Young-Chang Song, Hwaseong-Si KR
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20160064190 | SUBSTRATE PROCESSING APPARATUS - A substrate processing apparatus including a process chamber configured to receive a plurality of substrates oriented in a horizontal manner and vertically arranged with respect to the process chamber, a process gas supply unit configured to supply at least one process gas to the process chamber through a process gas supply nozzle, the process gas supply nozzle along an inner wall of the process chamber in a direction in which the substrates are sacked, an exhaust unit configured to exhaust the process gas from the process chamber, and a blocking gas supply unit configured to supply a blocking gas through a blocking gas injector provided in a circumferential direction of the process chamber such that a flow of the process gas in the process chamber is controlled may be provided. | 03-03-2016 |