Inventors list

Assignees list

Classification tree browser

Top 100 Inventors

Top 100 Assignees


Jung Ho

Jung Ho An, Icheon-Si KR

Patent application numberDescriptionPublished
20090100606Mattress - A bed mattress is provided for employing a plurality of cushion elements to be arranged in different portions of the mattress divided corresponding to the user's body parts and have appropriate elasticity for the corresponding part of the user's body, which comprises a mattress frame with an enclosing wall of elastic material for providing a mounting space therein; a plurality of cushion elements disposed in the mounting space and forming a mattress body together with the mattress frame; a side pad covering the periphery of the mattress body; and upper and lower cover pads with outer edges fastened respectively to the top and bottom edges of the side pad to enclose the upper and lower surfaces of the mattress body.04-23-2009

Jung Ho Choi, Seoul KR

Patent application numberDescriptionPublished
20120108117APPARATUS AND METHOD FOR GENERATING ELECTRICITY IN LIQUEFIED NATURAL GAS CARRIER - Provided is an apparatus for generating electricity required by an LNG carrier which stores LNG, which is obtained by liquefying natural gas to ultra low temperature in a gas field, in an LNG storage tank and carries the stored LNG. The apparatus includes: a reformer reforming boil-off gas occurring in the LNG storage tank and producing synthetic gas; and a fuel cell generating electricity through an electrochemical reaction of the synthetic gas produced by the reformer.05-03-2012

Jung Ho Choi, Geoje-Si KR

Patent application numberDescriptionPublished
20090211262LNG TANK SHIP HAVING LNG CIRCULATING DEVICE - Disclosed is a liquefied natural gas storage apparatus. The apparatus includes a heat insulated tank and liquefied natural gas contained in the tank. The tank has heat insulation sufficient to maintain liquefied natural gas therein such that most of the liquefied natural gas stays in liquid. The contained liquefied natural gas has a vapor pressure from about 0.3 bar to about 2 bar. The apparatus further includes a safety valve configured to release a part of liquefied natural gas contained in the tank when a vapor pressure of liquefied natural gas within the tank becomes higher than a cut off pressure. The cut off pressure is from about 0.3 bar to about 2 bar.08-27-2009
20120017608UNLOADING OF LNG FROM LNG TANK - Disclosed is a liquefied natural gas storage apparatus. The apparatus includes a heat insulated tank and liquefied natural gas contained in the tank. The tank has heat insulation sufficient to maintain liquefied natural gas therein such that most of the liquefied natural gas stays in liquid. The contained liquefied natural gas has a vapor pressure from about 0.3 bar to about 2 bar. The apparatus further includes a safety valve configured to release a part of liquefied natural gas contained in the tank when a vapor pressure of liquefied natural gas within the tank becomes higher than a cut-off pressure. The cut-off pressure is from about 0.3 bar to about 2 bar.01-26-2012

Patent applications by Jung Ho Choi, Geoje-Si KR

Jung Ho Choi, Daejeon KR

Patent application numberDescriptionPublished
20080268076Composition for Inhibiting Acyl-Coa:Cholesterol Acyltransferase - Disclosed herein is a composition having activity of inhibiting acyl-CoA: cholesterol acyltransf erase, which comprises retrofractamide A, pipercide, piperrolein B, piperchabamide D, pellitorin or combinations thereof, or a pharmaceutically acceptable salt thereof . The composition is effective for preventing and treating vascular diseases, such as hyperlipidemia, arteriosclerosis, etc.10-30-2008

Jung Ho Choi, Seongnam-Si KR

Patent application numberDescriptionPublished
20120066351METHOD AND SERVER FOR CONTINUOUSLY PROVIDING CONTENTS FOR MOBILE USER DEVICES BASED ON LOCATIONS THEREOF - Provided are a continuous contents reproduction service providing server, a user device, and a method of providing a continuous contents reproduction service for continuously providing contents to a plurality of devices. The server may include: a device management unit to store identification information of a first device and a second device; a service interruption monitoring unit to determine whether reproducing of contents in the first device is interrupted; a continuous reproduction information message transceiving unit to generate a continuous reproduction information message when the reproducing of the contents is interrupted, and to transmit the generated continuous reproduction information message to the second device; a continuous reproduction management unit to receive a request for a continuous reproduction service and to determine whether to continuously provide the contents to the second device; and a contents providing unit to provide the contents to the second device based on the determination.03-15-2012

Jung Ho Hwang, Seoul KR

Patent application numberDescriptionPublished
20080241422METHOD FOR AEROSOL SYNTHESIS OF CARBON NANOSTRUCTURE UNDER ATMOSPHERIC PRESSURE - The present invention relates to a method for the aerosol synthesis of carbon nanostructures under atmospheric pressure comprising a spark generation step of generating a spark between a graphite electrode made of carbon and a metal electrode made of a catalytic metal inducing the graphitization of carbon and vaporizing the carbon component of the graphite electrode and the metal component of the metal electrode utilizing the heat produced by the spark, thereby generating carbon vapor and metal vapor; and a carbon nanostructure generation step of cooling and condensing the carbon vapor and the metal vapor to form a graphitic carbon layer and catalytic metal particles and generating carbon nanostructures in which the graphitic carbon layer grows on the surface of the catalytic metal particles and covers the catalytic metal particles.10-02-2008
20100272903CATALYTIC SURFACE ACTIVATION METHOD FOR ELECTROLESS DEPOSITION - Provided is a catalytic surface activation method for electroless deposition comprising a metallic aerosol nanoparticle generation step of generating metallic aerosol nanoparticles, which act as plating initiation catalyst; a metallic aerosol nanoparticle fixation step of fixing the resultant metallic aerosol nanoparticles on a plating surface; and an electroless deposition step of impregnating the material to be plated in an electroless deposition solution to form a plating layer on the plating surface on which the metallic aerosol nanoparticles have been fixed. The catalytic surface activation method for electroless deposition of the present invention is applicable to large-scale plating with simple process and superior applicability, improves the plating characteristics with little impurity generation, requires no post-treatment process for removing impurities and is environment-friendly with no wastewater generation by directly fixing metallic aerosol nanoparticles on the material to be plated.10-28-2010
20100272904CATALYTIC SURFACE ACTIVATION METHOD FOR ELECTROLESS DEPOSITION - Provided is a catalytic surface activation method for electroless deposition comprising a metallic aerosol nanoparticle generation step of generating metallic aerosol nanoparticles, which act as plating initiation catalyst; a metallic aerosol nanoparticle fixation step of fixing the resultant metallic aerosol nanoparticles on a plating surface; and an electroless deposition step of impregnating the material to be plated in an electroless deposition solution to form a plating layer on the plating surface on which the metallic aerosol nanoparticles have been fixed. The catalytic surface activation method for electroless deposition of the present invention is applicable to large-scale plating with simple process and superior applicability, improves the plating characteristics with little impurity generation, requires no post-treatment process for removing impurities and is environment-friendly with no wastewater generation by directly fixing metallic aerosol nanoparticles on the material to be plated.10-28-2010
20100272905CATALYTIC SURFACE ACTIVATION METHOD FOR ELECTROLESS DEPOSITION - Provided is a catalytic surface activation method for electroless deposition comprising a metallic aerosol nanoparticle generation step of generating metallic aerosol nanoparticles, which act as plating initiation catalyst; a metallic aerosol nanoparticle fixation step of fixing the resultant metallic aerosol nanoparticles on a plating surface; and an electroless deposition step of impregnating the material to be plated in an electroless deposition solution to form a plating layer on the plating surface on which the metallic aerosol nanoparticles have been fixed. The catalytic surface activation method for electroless deposition of the present invention is applicable to large-scale plating with simple process and superior applicability, improves the plating characteristics with little impurity generation, requires no post-treatment process for removing impurities and is environment-friendly with no wastewater generation by directly fixing metallic aerosol nanoparticles on the material to be plated.10-28-2010
20110000704Printed Circuit Board and Method of Manufacturing the Same - Provided is a method of manufacturing a printed circuit board including, disposing first and second insulating members and first and second conductive films on both sides of a separating member to perform a thermocompression bonding process on the first and second insulating members and the first and second conductive films on the both sides of the separating member, so as to attach the first member to the second member with the separating member therebetween and attach the first insulating member to the first conductive film and attach the second insulating member to the second conductive film, selectively removing the first and second conductive films to form first and second circuit patterns, and cutting the separating member and the first and second insulating members to separate the first and second insulating members with the first and second circuit patterns from the separating member.01-06-2011

Patent applications by Jung Ho Hwang, Seoul KR

Jung Ho Jeong, Yongin KR

Patent application numberDescriptionPublished
20080300048GAME SUPPORT SYSTEM AND METHOD - A game support system includes a DB server for storing in a DB user information including a user's unique identification and the user's own money, a web server for posting information about a plurality of game rooms, and a game processing server for admitting the user to a game room selected by the user from among the plurality of game rooms and processing a game in the selected game room. The game support system further includes a participation money designation server for providing an input window to allow the user to designate a part of the user's own money as participation money required for participation in the selected game room. The system, for example, allows the user to continue to play a game without moving out to another portal or game site.12-04-2008

Jung Ho Kim, Hwaseong-Si KR

Patent application numberDescriptionPublished
20110043424BOARD-SHAPED WIDEBAND DUAL POLARIZATION ANTENNA - This invention relates to a board-shaped wideband dual polarization antenna whose feeding structure is simplified. Dipole antennas are prepared on both front and rear surfaces of a printed circuit board, and an electric signal is fed to the dipole antennas through via holes at the same time. Through the dipole antennas, the dual polarization antenna radiates dual polarized waves whose radiation emissions have perpendicular directions to each other. The wideband characteristics of the dual polarization antenna are improved through parasitic elements. The disclosed printed circuit board comprises: a first line hole into which a first core line (+) of a first electric cable transmitting a first electric signal is inserted; a first ground via hole through which a first ground line (−) of the first electric cable passes; a first balun hole into which a first balun cable is inserted; a second line hole into which a second core line (+) of a second electric line is inserted; is second balun hole into which a second balun cable is inserted; and a connection via-hole through which both the second core line (+) and the second balun cable pass. The first and second balun cables make a pair with the first and second electric cables respectively by being parallel to those electric cables respectively in order so perform the function of a balun. According to the invention, the dual polarization antenna is able to radiate, through the dipole antennas on both surfaces of the printed circuit boards, dual polarized waves whose radiation emissions have perpendicular directions to each other. In addition, the feeding structure can be simplified and a complex three-dimensional air-bridge structure does not need to be used in the dual polarization antenna since an electric signal is fed to the dipole antennas on both surfaces of the printed circuit board at the same time.02-24-2011

Jung Ho Kim, Seoul KR

Patent application numberDescriptionPublished
20090290188Reception method for online print ordering system - Disclosed herein is a reception method for an online print ordering system. In the reception method, the case in which a single image file includes various types of print entities is determined to be normal and then composition files are enabled to be created for the respective entities, thereby improving the efficiency of the print ordering system and customers' convenience of use.11-26-2009

Patent applications by Jung Ho Kim, Seoul KR

Jung Ho Kim, Yuju-Gun KR

Patent application numberDescriptionPublished
20090191029SYSTEM FOR HANDLING SEMICONDUCTOR DIES - The present invention provides a system for handling semiconductor dies, comprising providing a semiconductor die adhered to a tacky tape, cooling the semiconductor die and the tacky tape to reduce the adhesion between the semiconductor die and the tacky tape, separating the semiconductor die from the tacky tape, and moving the semiconductor die.07-30-2009

Jung Ho Lee, Yongin-Si KR

Patent application numberDescriptionPublished
20090208187STORAGE MEDIUM IN WHICH AUDIO-VISUAL DATA WITH EVENT INFORMATION IS RECORDED, AND REPRODUCING APPARATUS AND REPRODUCING METHOD THEREOF - A storage medium in which audio-visual data with event information is recorded, and a reproducing apparatus and reproducing method thereof, includes: audio-visual (AV) data; and event information to activate an event when a predetermined specific scene is reproduced while reproducing the AV data and to execute a predetermined program application corresponding to the activated event by synchronizing the program application with the specific scene. Accordingly, the storage medium may be controlled so that an application having a program function is synchronized with a specific scene of the AV data using the event information while reproducing the entirety of the AV data or a portion of the AV data.08-20-2009
20090214177STORAGE MEDIUM STORING MULTIMEDIA DATA FOR REPRODUCTION OF AV DATA AND PROGRAMMING FUNCTION, AND REPRODUCING APPARATUS AND METHOD THEREOF - A storage medium storing multimedia data for the reproduction of audio-visual (AV) data and a programming function, and a reproducing apparatus and method thereof. The storage medium includes: reproduction mode data for reproducing audio-visual (AV) data; program data including a plurality of program applications for providing interactive functions with a user and/or additional functions using the AV data; system data for controlling the execution of the reproduction mode data and the program data; and application objects for managing the execution of the program data and information on the reproduction mode data to be reproduced along with the execution of the program data. Accordingly, various user interfaces and/or various additional functions can be provided, as well as simple reproduction of AV data. Also the program application can be prevented from using malicious intent, and program applications having the same function can be reused without modification or recompilation.08-27-2009
20090296453Semiconductor Memory Apparatus - A semiconductor memory apparatus includes a unit cell with a transistor having a floated body and a capacitor for storing charges; a word line for activating the unit cell; and a bit line for transmitting data to the unit cell.12-03-2009

Patent applications by Jung Ho Lee, Yongin-Si KR

Jung Ho Lee, Wonju-Si KR

Patent application numberDescriptionPublished
20100329639APPARATUS AND METHOD FOR PROTECTING COPYRIGHT FOR MOTION PICTURE AND RECORD MEDIUM - Provided are an apparatus and method for processing motion picture and a record medium, which decompose a motion picture into unit frames and insert copyright information into the unit frames, enabling to determine the infringement of copyright when the motion picture is illegally circulated. The apparatus includes a processing unit, a merging unit and an output unit. The processing unit decomposes a motion picture into a plurality of unit frames, and generates a main frame, a sub-frame including copyright information for the motion picture and a degree frame which is paired with the sub-frame, based on the unit frames. The merging unit merges the sub-frame into the main frame according to a degree of mergence of the degree frame. The output unit continuously outputs the merged frames in time order.12-30-2010

Jung Ho Lee, Gyeongsangnam-Do KR

Patent application numberDescriptionPublished
20120038195SEATING FURNITURE HAVING MOVABLE BACKREST - The present invention relates to seating furniture, and more specifically, to seating furniture having a movable backrest, which allows a user's back to be supported by a backrest at all times in order to enable seating with proper posture, and comprises: a lower frame which is connected to a support; an upper frame which is connected to the lower frame via a vertical displacement generation means; at least one elastic body which is installed between the lower frame and upper frame; a back and forth moving means which is formed at the edge of the left and right sides of the upper frame, and is connected to a backrest frame to move back and forth; a power generation unit which converts the displacement according to the descent of the upper frame into a straight line movement at the back and forth moving means if a load is applied to a seat unit combined to the upper frame, thereby moving the backrest frame forward; and a switching unit which switches to a half-lock state in which the backrest frame can move forward only if a load is applied to the seat unit, and to an unlock state in which the backrest frame can move backward if the load applied to the seat unit is removed.02-16-2012

Jung Ho Lee, Gwangmyeong KR

Patent application numberDescriptionPublished
20110298343ACTUATOR MODULE HAVING UNIVERSAL COMBINATION STRUCTURE - The present invention relates to an actuator module with universal combination structure. The actuator module with universal combination structure comprises a first fixture that is installed on the actuator module itself for connection with a coupling element, and the coupling element having a second fixture that corresponds to the first fixture, and users can make various forms of combination structure by using bolts and nuts.12-08-2011

Jung Ho Park, Seoul KR

Patent application numberDescriptionPublished
20080274770APPARATUS AND METHOD FOR CONTROLLING BUILT-IN MICROPHONE OF PORTABLE TERMINAL - An apparatus and method for controlling a built-in microphone of a portable terminal is provided. The method includes detecting a call connection event when a call connection request is received or transmitted; checking information on a currently connected connection device upon detecting the call connection event; and when the information shows that the connected connection device is an earphone, activating a speaker included in the earphone and activating the built-in microphone.11-06-2008
20090045321Image sensor, method of manufacturing the same, and method of operating the same - An image sensor includes a photoelectric conversion section in a semiconductor substrate, the photoelectric conversion section having a capping layer of a first conductivity type and a photodiode of a second conductivity type below the capping layer, the photodiode having an upper surface deeper than about 1 μm, as measured from an upper surface of the semiconductor substrate, a charge detection section receiving charges stored in the photoelectric conversion through a charge transfer section and converting the received charges into respective electrical signals, a voltage application section adapted to apply voltage to the capping layer and to a lower portion of the semiconductor substrate to control a width of a depletion layer on the photodiode, and a signal operation section adapted to generate red, green, and blue, signals according to signals from the charge detection section.02-19-2009
20090239327CMOS IMAGE SENSOR AND METHOD OF FABRICATING THE SAME - In a CMOS image sensor and method of fabricating the same, the CMOS image sensor is comprised of a pixel array generating image signals and a peripheral circuit processing the image signals. In the method, a substrate is provided having a pixel region and a peripheral circuit region. A photo-receiving element and at least one transistor are formed on the pixel region of the substrate and a transistor is formed on the peripheral circuit region of the substrate. A silicide barrier pattern is formed to cover a region where the photo-receiving element is formed. A silicide layer is formed on a predetermined region of the substrate. An interlevel insulation film is formed on the silicide barrier layer. At least one contact hole penetrating the interlevel insulation film is formed, the at least one contact hole exposing a predetermined region of the silicide layer. This is effective to prevent a problem such as an excessive etching due to disagreement of the etch target films between the pixel array and the peripheral circuit.09-24-2009
20100286523ULTRASOUND DIAGNOSTIC SYSTEM AND METHOD FOR DISPLAYING DOPPLER SPECTRUM IMAGES OF MULTIPLE SAMPLE VOLUMES - The embodiment of the present invention provides an ultrasound diagnostic system, including: an ultrasound diagnosis unit for transmitting ultrasound signals to a target object and receiving ultrasound echo signals to acquire B-mode image signals and Doppler spectrum image signals; a processor for forming at least one B-mode image based on the B-mode image signals and forming a plurality of Doppler spectrum images for a plurality of sample volumes designated on the B-mode image based on the Doppler spectrum image signals; a user input unit for allowing a user to input selection information indicating locations and sizes of the plurality of sample volumes; and an image display unit for displaying at least one B-mode image and the plurality of Doppler spectrum images.11-11-2010
20110128485LIQUID CRYSTAL DISPLAY DEVICE - An LCD device is disclosed. The LCD device includes a liquid crystal panel configured to include a bonding portion formed in its one edge, pluralities of gate and data lines arranged on it, and pixel regions defined by the gate and data lines. The bonding portion includes: first metal patterns formed away from each other and on a substrate of the liquid crystal panel; a gate insulation film and a protective layer sequentially formed to cover the first metal patterns; and a second metal pattern formed on the protective layer and electrically connected to the first metal patterns partially exposed by contact holes which are formed by partially etching the gate insulation film and protective layer.06-02-2011

Patent applications by Jung Ho Park, Seoul KR

Jung Ho Ryu, Suwon KR

Patent application numberDescriptionPublished
20100045140Piezoelectric ultrasonic motor - A piezoelectric ultrasonic motor includes a piezoelectric stator including a hollow metal tube having a quadrangular cross section and four piezoelectric elements each installed in each outer face of the metal tube; a rotary shaft including a rotation bar inserted into an inner space of the metal tube, an upper rotation member provided around the rotation bar in contact with an upper surface of the piezoelectric stator, the rotation member rotating in response to the strain of the piezoelectric stator, a lower rotation member adapted to restrain the rotation of the rotation bar and contacting a lower surface of the piezoelectric stator and a power transmission member provided at one portion of the rotation bar to transmit the rotation of the rotation member to an object to be transported; and a power supply to apply a supply voltage necessary for the actuation of the piezoelectric stator.02-25-2010

Patent applications by Jung Ho Ryu, Suwon KR

Jung Ho Son, Chungcheongnamdo KR

Patent application numberDescriptionPublished
20100167336PARAMETER FOR X- AND Y- CHROMOSOME BEARING SPERM SORTING WITH HIGH DEGREE OF PURITY - Current invention is about the sex-specific separation of sperm in high purity. For more details, this invention is about the methods for improving the separation efficiency of sperm by removing factors deteriorating separation efficiency by utilizing several parameters and adjusting few conditions for the purpose of separating sperm into X-chromosome bearing and Y-chromosome bearing groups in high purity. Current invention, for the purpose of separating X-chromosome bearing and Y-chromosome bearing sperm based on physiological characteristics, utilize the difference of sperm's nucleus width as a parameter to recognize the difference in DNA content between X and Y chromosome. Current invention is about the sex-specific separation of sperm in high purity. This invention, unlike any known conventional methods, requires neither special conditions nor special treatments, can be conducted in a more realistic environment and, as a results, sex-specific sorting of sperm can be conducted without losing viability or motility. Therefore, the limitation conferred on sorting efficiency by the motility can be overcome by our invention.07-01-2010

Jung Ho Song, Busan KR

Patent application numberDescriptionPublished
20090173906Ethylene Vinyl Acetate Based Polymer Foams with Low Density, Injection Preparation Method Thereof and a Material for Medical and Health-Care use - The present invention relates to ethylene vinyl acetate based polymer foams with low density and superior injection molding characteristics, a preparation method thereof and a material for medical and health-care use using the same, more particularly to ethylene vinyl acetate based polymer foams with low density prepared by blending, masticating, pelletizing and foaming a matrix resin comprising ethylene vinyl acetate (EVA) resin and ethylene methyl acrylate (EMA) resin under specific condition, which has low density and superior injection molding characteristics and improved biocompatibility to human body, making them a useful environment-friendly material and particularly applicable to medical or health-care use, a preparation method thereof and a material for medical and health-care use using the same.07-09-2009

Jung Ho Yoon, Gyunggi-Do KR

Patent application numberDescriptionPublished
20110193415WIRELESS ENERGY TRANSMISSION STRUCTURE - Disclosed is a wireless energy transmission structure which includes a disc part including a first conductor plate and a second conductor plate which are spaced to face each other and a dielectric material inserted between the first conductor plate and the second conductor plate, and generating an electric field between the first conductor plate and the second conductor plate; and a ring-shaped wire part one end of which is connected to the first conductor plate and the other end of which is connected to the second conductor plate, and having a meta structure in which a plurality of meta cells is repetitively arranged so as to induce a magnetic field using the electric field, so that the wireless energy transmission structure is reduced in size and is improved in transmission distance and transmission efficiency.08-11-2011
20110266879APPARATUS FOR TRANSMITTING AND RECEIVING WIRELESS ENERGY USING META-MATERIAL STRUCTURES HAVING ZERO REFRACTIVE INDEX - Disclosed herein is an apparatus for transmitting and receiving wireless energy using meta-material structures having a zero refractive index. The apparatus includes a wireless energy transmission unit and a wireless energy reception unit. When external power is applied thereto, the wireless energy transmission unit generates wireless energy to be wirelessly transmitted, and then wirelessly transmits wireless energy, which is normally propagated radially when the generated wireless energy is transmitted, using a magnetic resonance method while concentrating the wireless energy in one direction.11-03-2011
20110267247APPARATUS FOR TRANSMITTING AND RECEIVING WIRELESS ENERGY USING META-MATERIAL STRUCTURES HAVING NEGATIVE REFRACTIVE INDEX - Disclosed herein is there is provided an apparatus for transmitting and receiving wireless energy using meta-material structures having a negative refractive index. The apparatus includes a wireless energy transmission unit and a wireless energy reception unit. The wireless energy transmission unit generates wireless energy to be wirelessly transmitted, and then wirelessly transmits wireless energy, which is normally propagated radially, using a magnetic resonance method while concentrating the wireless energy at a single point. The wireless energy reception unit wirelessly receives the wireless energy using the magnetic resonance method while concentrating the wireless energy at a single point.11-03-2011
20120038220WIRELESS POWER TRANSMISSION APPARATUS AND TRANSMISSION METHOD THEREOF - Disclosed herein are a wireless power transmission apparatus and a transmission method thereof. The wireless power transmission apparatus is configured to include a wireless power transmitter generating a wireless power signal to be wireless transmitted, wirelessly transmitting the generated wireless power signal by a magnetic resonance manner, receiving a reflection wireless power signal to determine whether or not a load apparatus is presented, and supplying power to the load apparatus; and a wireless power receiver connected to the load apparatus and receiving the transmitted wireless power signal by the magnetic resonance manner and supplying it to the connected load apparatus and reflecting the remaining wireless power signal to the wireless power transmitter, whereby a transmission apparatus can recognize a receiving environment and resonance characteristics are improved, without a separate communication device or a system.02-16-2012

Jung Ho Yoon, Gvunggi-Do KR

Patent application numberDescriptionPublished
20110241609WIRELESS ENERGY TRANSMISSION STRUCTURE - Disclosed herein is a wireless energy transmission structure, which includes a printed circuit board, a disk section, and a wire section. The printed circuit board is formed in a ring type, the disk section is constituted by a first conductive plate and a second conductive plate formed on portions of the printed circuit board corresponding to each other to be spaced by a predetermined gap and a dielectric material inserted between the first conductive plate and the second conductive plate, and the wire section is constituted by a plurality of meta cells having a meta material structure, which are repetitively formed to surround the exterior and interior of the printed circuit board and a transmission line connected to each of the first conductive plate and the second conductive plate and surround the plurality of meta cells.10-06-2011

Jung Ho Yu, Seoul KR

Patent application numberDescriptionPublished
20110314855Indoor unit of air conditioner - An indoor unit of an air conditioner with an electronic expansion valve. The indoor unit includes a main body, a heat exchanger disposed at the front portion of the inside of the main body, a control unit, in which electrical components are mounted, disposed at the outside in the lengthwise direction of the heat exchanger, a control case including a first side surface part disposed between the control unit and the heat exchanger and an extension part connected with the first side surface part and extended in the lengthwise direction of the heat exchanger, and an electronic expansion valve disposed in a space defined by two surfaces neighboring with each other by the extension part.12-29-2011

Jung-Ho Bae, Gyoungsangnam-Do KR

Patent application numberDescriptionPublished
20100170895VENTILATION HOODED MICROWAVE OVEN - A ventilation hooded microwave oven is provided. In the ventilation hooded microwave oven, a pull-up door is attached to a cavity assembly. The pull-up door is supported by a door support device when the pull-up door is pulled to open a cooking chamber of the ventilation hooded microwave oven. Therefore, a place where the ventilation hooded microwave oven is installed can be more efficiently used, and loading and unloading food into and out of the cooking chamber can be carried out more easily.07-08-2010

Jung-Ho Bae, Changwon City KR

Patent application numberDescriptionPublished
20100127066COOKING INFORMATION BOOK, COOKING SYSTEM, COOKING METHOD, AND USING METHOD FOR THE COOKING SYSTEM - A cooking system is provided. The cooking system includes: a radio frequency tag; a cooking appliance provided with a radio frequency reader to receive food related data from the radio frequency tag, the cooking appliance comprising at least a heating element; and a server receiving at least the food related data from the cooking appliance, the server transmitting food cooking data for cooking a food suitable for the cooking appliance using the food related data, wherein the cooking appliance operates using the food cooking data.05-27-2010

Jung-Ho Bae, Gyeongsangnam-Do KR

Patent application numberDescriptionPublished
20090078696METHOD OF CONTROLLING COOKER - The present invention relates to a oven and a method of controlling the same. In a method of controlling a oven for receiving a variety of operating and setting instructions and displaying various kinds of data related to the instructions, which comprises the steps of (A) displaying, by a control module, any one of menu lists included in a menu list image on a display unit to be relatively larger than the other menu lists; (B) receiving, by an input unit, an instruction to select any one of the menu lists displayed on the display unit at step (A); (C) displaying, by the control module, the menu list selected at step (B) on the display unit to be relatively larger than the other menu lists; (D) receiving, the input unit, an instruction to select any one of menus included in the menu list selected at step (B); (E) displaying, by the control module, a cooking method and image for the menu selected at step (D) on the display unit; (F) receiving, by the input unit, a cooking start instruction; and (G) performing a cooking operation in accordance with the cooking method for the menu selected at step (D) by means of the cooking start instruction received by the input unit at step (F). According to the present invention, there are advantages in that an item to be set can be easily discriminated and accurately selected, a cooking method can be easily discriminated and food can be easily cooked accordingly, and a variety of settings can be made according to users.03-26-2009
20100313870BUILT-IN COOKING APPLIANCE - Provided is a built-in cooking appliance including: a top plate; a main body under the top plate, the main body receiving at least a heater; a fan inducing an air flow in the main body; a cabinet including a receiving portion on which the top plate is mounted; and a top frame covering an airflow opening between at least one edge of the top plate and the cabinet, wherein the main body includes at least one edge adjacent to the airflow opening and supported by the cabinet. The built-in cooking appliance can efficiently discharge warm air and prevents an inflow of external water. In addition, convenience in cleaning the built-in cooking appliance can be improved, and operation reliability of the built-in cooking appliance can also be improved by the thermally-stable state in the cooking appliance.12-16-2010

Jung-Ho Baek, Busan KR

Patent application numberDescriptionPublished
20080210205Hydraulic Control Type Supercharger for Automotive Engine - Disclosed herein is a hydraulic control type supercharger for an automotive engine. The supercharger includes a supercharger unit and a solenoid pump. The supercharger unit includes a hollow housing inserted into an intake pipe and having a longitudinal hollow portion, a rotating shaft mounted to the hollow housing to pass through the hollow portion thereof, an impeller rotating along with the rotating shaft, and an intake fan rotating along with the rotating shaft which is rotated by injecting oil into the impeller. The solenoid pump is coupled to an oil inlet passage of the supercharger unit, and is operated in response to an electric signal.09-04-2008

Jung-Ho Choi, Gyeonggi-Do KR

Patent application numberDescriptionPublished
20080267564Optical Waveguide Structure Having Asymmetric Y-Shape and Transceiver for Bidirectional Optical Signal Transmission Using the Same - Disclosed are an asymmetric Y-shaped optical waveguide structure and an optical transceiver using the structure. The asymmetric Y-shaped optical waveguide structure includes a main axis optical waveguide extended in a longitudinal direction; and a branch optical waveguide extended from an extension start point in the main axis optical waveguide in a longitudinal direction as much as a predetermined region and then diverged outside. The main axis optical waveguide and the branch optical waveguide have effective refractive indexes, the magnitude relation of which is reversed for optical signals having first and second wavelength range. The optical transceiver includes an asymmetric Y-shaped optical waveguide structure, an optical fiber optically coupled to the structure for transmitting/receiving of the bi-directional optical signal, a laser diode and a photodiode. Accordingly, it is possible to miniaturize the optical transceiver, reduce a packaging cost, and improve reliability of the optical transceiver.10-30-2008

Jung-Ho Choi, Chungnam KR

Patent application numberDescriptionPublished
20100104403APPARATUS FOR TRANSFERRING A WAFER - An apparatus for transferring a wafer includes a ceramic blade, an electrode, a plurality of pads, a coating layer and a robot arm. The blade supports the wafer, and the electrode is disposed inside the blade. Electric power is applied to the electrode to generate an electrostatic force for holding the wafer. The pads are disposed on an upper surface of the blade, and thus frictional forces may be provided between the wafer and the pads. The coating layer is disposed on the blade. The robot arm is connected with the blade to move the blade.04-29-2010

Jung-Ho Han, Seoul KR

Patent application numberDescriptionPublished
20100290415Apparatus and method for bandwidth request in broadband wireless communication system - A transmission delay caused by a Bandwidth Request (BR) of a Mobile Station (MS) in a broadband wireless communication system can be avoided. An operation of the MS includes performing an initial BR to allocate resources across a plurality of frames. When a resource is allocated according to the initial BR, an adaptive BR is performed on the resource in a piggyback manner by using the resource while transmitting an acknowledge (ACK) message corresponding downlink Transmission Control Protocol (TCP) data.11-18-2010

Jung-Ho Hwang, Suwon-Si KR

Patent application numberDescriptionPublished
20090174825Organic light emitting diode display - An OLED display includes a display panel having a display area and a pad area, a first bezel receiving the display panel, and a second bezel combined with the first bezel along a display panel side where the pad area is formed.07-09-2009
20100142178ORGANIC LIGHT EMITTING DIODE DISPLAY - An organic light emitting diode display includes a panel assembly having a display section and a pad section, and a bezel that couples with the panel assembly. The bezel includes a back on which the panel assembly is placed, side walls located at an edge of the back of the bezel, and a protrusion reinforcing portion formed at a region corresponding to the pad section and a vicinity of the pad section in the back of the bezel.06-10-2010

Patent applications by Jung-Ho Hwang, Suwon-Si KR

Jung-Ho Kang, Suwon-Si KR

Patent application numberDescriptionPublished
20110020140MICRO PUMP - Provided is a micro pump having a simple structure. The micro pump includes a pump chamber including inflow and outflow passages through which a drive fluid flows, a first valve configured to open or close the inflow passage, a second valve configured to open or close the outflow passage, and a pump chamber heating and cooling unit configured to heat or cool the pump chamber.01-27-2011

Patent applications by Jung-Ho Kang, Suwon-Si KR

Jung-Ho Kang, Yongin-Si KR

Patent application numberDescriptionPublished
20080309216LIGHT EMISSION DEVICE AND DISPLAY DEVICE USING THE LIGHT EMISSION DEVICE AS A LIGHT SOURCE - A light emission device in which a light emission unit has an improved structure and a display device using the light emission device as a light source. The light emission device includes first and second substrates facing each other with a predetermined distance therebetween, an electron emission unit located on one side of the first substrate, and a light emission unit located on one side of the second substrate. The electron emission unit includes a plurality of electron emission elements. The light emission unit includes at least one phosphor layer and a reflection layer spaced apart from the phosphor layer with a barrier disposed between the phosphor layer and the reflection layer.12-18-2008
20090021142LIGHT EMISSION DEVICE AND DISPLAY DEVICE - A light emission device and a display device provided with the light emission device are provided. The light emission device includes first and second substrates opposing each other. An electron emission unit is arranged on the first substrate. A light emission unit is provided on the second substrate and has an active area and an inactive area surrounding the active area. An arcing preventing member is formed on the inactive area. The arcing preventing member is formed to satisfy the condition: 0.3≦H/W≦1.0, where W is a width of the active area and H is a height of the arcing preventing member.01-22-2009
20090167154WHITE PHOSPHOR, LIGHT EMISSION DEVICE INCLUDING THE SAME, AND DISPLAY DEVICE INCLUDING THE LIGHT EMISSION DEVICE - A white phosphor, a light emission unit including the white phosphor, and a display device including the light emission unit are provided. The white phosphor comprises a green phosphor including a Tb-doped oxide host material, a blue phosphor and a red phosphor. The green phosphor doped with Tb is used as an activator, and has a wavelength which does not overlap with a wavelength of the blue phosphor, thereby improving color purity of the light emission device.07-02-2009
20090174842DISPLAY DEVICE - Display devices having improved color reproduction ranges and improved color purity of the screen images are provided. In one embodiment, the display device includes a display panel for displaying an image, and a light emitting panel for providing light to the display panel. The light emitting panel includes first and second substrates facing each other, an electron emission unit on an inner surface of the first substrate and including electron emission regions and driving electrodes, a light emission unit on an inner surface of the second substrate and including an anode electrode and a phosphor layer, and a filter layer formed on a surface of the second substrate for selectively absorbing light in wavelength bands ranging from about 480 nm to about 500 nm and from about 580 nm to about 600 nm.07-09-2009

Patent applications by Jung-Ho Kang, Yongin-Si KR

Jung-Ho Kim, Daejeon KR

Patent application numberDescriptionPublished
200901984764-D Inversion Of Geophysical Data And 4-D Imaging Method Of Geological Structure Using It - The method for 4-D inversion of geophysical data for calculating distribution of subsurface material properties from geophysical data includes (a) defining measured data into space-time coordinates, and defining a reference space-time model vector (U) composed of many reference space model vectors (U) for a plurality of pre-selected reference times to simulate a space-time model vector (P) that is a geologic structure continuously changing in time; (b) approximating a numerical modeling for a geologic structure space model at an arbitrary time using Taylor series of numerical modeling for the reference space models, defining an objective inversion function to constrain each inversion in space and time domains, and obtaining a reference space-time model vector (U) from the measured data defined in space-time coordinates using the objective inversion function; and (c) obtaining a space-time model vector (P) from the reference space-time model vector (U) to calculate distribution of subsurface material properties changing in time.08-06-2009
20100231247ELECTRICAL SPECIFIC RESISTIVITY PROBING ROBOT - The present invention relates to an electrical specific resistivity probing robot, and it is directed to automatically measuring a three-dimensional electrical specific resistivity structure of an underground shallow region by installing a plurality of probing electrodes at regular intervals along a robot-moving caterpillar to measure difference of potentials of the electrodes at a ground plane. The electrical specific resistivity probing robot of the present invention includes a frame (09-16-2010
20100259269SYSTEM FOR STREAMER ELECTRICAL RESISTIVITY SURVEY AND METHOD FOR ANALYSIS OF UNDERGROUND STRUCTURE BELOW A RIVERBED - A system for measuring electrical resistivity survey checks a border of bedrock or a thickness of a sedimentary layer in a riverbed of a river or lake within a short time. A method for analysis of an underground structure of a riverbed using the same is also provided. The system for streamer electric resistivity survey using a survey boat comprises a streamer cable connected to the survey boat and having a plurality of electrodes attached thereto; a multi-channel resistivity meter loaded on the survey boat to measure electric resistivity from the plurality of electrodes; a first RTK GPS (Real Time Kinematic Global Positioning System) loaded on the survey boat to measure a position of the survey boat in real time; and a second RTK GPS installed to a tail of the streamer cable to measure a position of the tail in real time.10-14-2010
20100315103METHOD FOR EVALUATION OF THE GROUND REINFORCEMENT EFFECT USING 4-D ELECTRICAL RESISTIVITY MONITORING - Disclosed is a method of evaluating a ground reinforcement effect using 4-D electrical resistivity monitoring, wherein the ground reinforcement is made up on an underground cavity through cement mortar grouting, the method including: (a) installing a survey line for measuring electrical resistivity in a ground reinforcement zone; (b) measuring the electrical resistivity of the ground reinforcement zone through the survey line before grouting mortar, and imaging three-dimensional electrical resistivity distribution in the ground reinforcement zone by applying a three-dimensional electrical resistivity inversion to the measured results; (c) measuring the electrical resistivity of the ground reinforcement zone through the survey line while or after grouting the mortar, and imaging the three-dimensional electrical resistivity distribution in the ground reinforcement zone by applying the three-dimensional electrical resistivity inversion to the measured results; and (d) calculating a change ratio of the electrical resistivity measured while or after the grouting in (c) to the electrical resistivity measured before the grouting in (b), and evaluating the ground reinforcement effect by imaging the three-dimensional electrical resistivity distribution in the ground reinforcement zone on the basis of the change ratio.12-16-2010
20120029825SYSTEM FOR STREAMER ELECTRICAL RESISTIVITY SURVEY AND METHOD FOR ANALYSIS OF UNDERGROUND STRUCTURE BELOW A RIVERBED - A system for measuring electrical resistivity survey checks a border of bedrock or a thickness of a sedimentary layer in a riverbed of a river or lake within a short time. A method for analysis of an underground structure of a riverbed using the same is also provided. The system for streamer electric resistivity survey using a survey boat comprises a streamer cable connected to the survey boat and having a plurality of electrodes attached thereto; a multi-channel resistivity meter loaded on the survey boat to measure electric resistivity from the plurality of electrodes; a first RTK GPS (Real Time Kinematic Global Positioning System) loaded on the survey boat to measure a position of the survey boat in real time; and a second RTK GPS installed to a tail of the streamer cable to measure a position of the tail in real time.02-02-2012

Patent applications by Jung-Ho Kim, Daejeon KR

Jung-Ho Kim, Gyeonggi-Do KR

Patent application numberDescriptionPublished
20090221133Methods of Fabricating Silicon on Insulator (SOI) Wafers - Methods of fabricating SOI wafers are provided including providing a donor wafer and forming a hydrogen ion implantation layer in the donor wafer. A circumference portion of one side of the donor wafer is recessed to form a height difference. The one side of the donor wafer and a handle wafer are bonded to form a bonded wafer. The bonded wafer is heat treated to separate the bonded wafer along the hydrogen ion implantation layer.09-03-2009
20100109164STACKED INTEGRATED CIRCUIT PACKAGE FABRICATION METHODS THAT USE VIAS FORMED AND FILLED AFTER STACKING, AND RELATED STACKED INTEGRATED CIRCUIT PACKAGE STRUCTURES - Microelectronic packages are fabricated by stacking integrated circuits upon one another. Each integrated circuit includes a semiconductor layer having microelectronic devices and a wiring layer on the semiconductor layer having wiring that selectively interconnects the microelectronic devices. After stacking, a via is formed that extends through at least two of the integrated circuits that are stacked upon one another. Then, the via is filled with conductive material that selectively electrically contacts the wiring. Related microelectronic packages arc also described.05-06-2010
20110207304Method of Fabricating Semiconductor Devices - Methods of fabricating a semiconductor device include alternatingly and repeatedly stacking sacrificial layers and first insulating layers on a substrate, forming an opening penetrating the sacrificial layers and the first insulating layers, and forming a spacer on a sidewall of the opening, wherein a bottom surface of the opening is free of the spacer. A semiconductor layer is formed in the opening. Related devices are also disclosed.08-25-2011

Patent applications by Jung-Ho Kim, Gyeonggi-Do KR

Jung-Ho Kim, Goyang-Si KR

Patent application numberDescriptionPublished
20120083077THREE DIMENSIONAL SEMICONDUCTOR MEMORY DEVICE AND METHOD OF FABRICATING THE SAME - Methods of forming vertical nonvolatile memory devices may include forming an electrically insulating layer, which includes a composite of a sacrificial layer sandwiched between first and second mold layers. An opening extends through the electrically insulating layer and exposes inner sidewalls of the first and second mold layers and the sacrificial layer. A sidewall of the opening may be lined with an electrically insulating protective layer and a first semiconductor layer may be formed on an inner sidewall of the electrically insulating protective layer within the opening. At least a portion of the sacrificial layer may then be selectively etched from between the first and second mold layers to thereby define a lateral recess therein, which exposes an outer sidewall of the electrically insulating protective layer.04-05-2012

Jung-Ho Kim, Dongdaemun-Gu KR

Patent application numberDescriptionPublished
20090085716SEMICONDUCTOR DEVICE AND METHOD OF FABRICATING THE SAME - A semiconductor device and a method for manufacturing the same that includes terminal patterns and resistor patterns disposed between and electrically connected to the terminal patterns. The resistor patterns have an electrical resistance higher than the electrical resistance of the terminal patterns and also have a width greater than a width of the terminal patterns04-02-2009

Jung-Ho Ko, Rende Towship TW

Patent application numberDescriptionPublished
20080226873Material with a shock absorbing capability and related manufacturing methods - A material having a shock absorbing capability and related method is disclosed. The method of forming the material having a shock absorbing capability is performed by sequentially coating the adhesive agent and utilizing a heating roller to the first substrate layer made of cloth, the second substrate layer made of SBR (styrene butadiene rubber), and the third substrate layer made of natural or artificial leather all together. Because the second substrate layer of the material having a shock absorbing capability is made of SBR (styrene butadiene rubber), which has good shock absorbing and impact buffering effects, the embodiment materials shock absorbing may be utilized in various protective products.09-18-2008

Jung-Ho Moon, Seoul KR

Patent application numberDescriptionPublished
20080308875MASK ROM DEVICE, SEMICONDUCTOR DEVICE INCLUDING THE MASK ROM DEVICE, AND METHODS OF FABRICATING MASK ROM DEVICE AND SEMICONDUCTOR DEVICE - A mask read-only memory (ROM) device, which can stably output data, includes an on-cell and an off-cell. The on-cell includes an on-cell gate structure on a substrate and an on-cell junction structure within the substrate. The off-cell includes an off-cell gate structure on the substrate and an off -cell junction structure within the substrate. The on-cell gate structure includes an on-cell gate insulating film, an on-cell gate electrode and an on-cell gate spacer. The on-cell junction structure includes first and second on-cell ion implantation regions of a first polarity and third and fourth on-cell ion implantation regions of a second polarity. The off-cell gate structure includes an off-cell gate insulating film, an off-cell gate electrode and an off-cell gate spacer. The off-cell junction structure includes first and second off-cell ion implantation regions of the first polarity and a third off-cell ion implantation region of the second polarity.12-18-2008
20090059664Electrically Erasable Programmable Read-Only Memory (EEPROM) Cell and Methods for Forming and Reading the Same - In a method of reading data in an EEPROM cell, a bit line voltage for reading is applied to the EEPROM cell including a memory transistor and a selection transistor. A first voltage is applied to a sense line of the memory transistor. A second voltage greater than the first voltage is applied to a word line of the selection transistor. A current passing through the EEPROM cell is compared with a predetermined reference current to read the data stored in the EEPROM cell. An on-cell current of the EEPROM cell may be increased in an erased state and the data in the cell may be readily discriminated.03-05-2009
20100285641MASK ROM DEVICE, SEMICONDUCTOR DEVICE INCLUDING THE MASK ROM DEVICE, AND METHODS OF FABRICATING MASK ROM DEVICE AND SEMICONDUCTOR DEVICE - A mask read-only memory (ROM) device, which can stably output data, includes an on-cell and an off-cell. The on-cell includes an on-cell gate structure on a substrate and an on-cell junction structure within the substrate. The off-cell includes an off-cell gate structure on the substrate and an off-cell junction structure within the substrate. The on-cell gate structure includes an on-cell gate insulating film, an on-cell gate electrode and an on-cell gate spacer. The on-cell junction structure includes first and second on-cell ion implantation regions of a first polarity and third and fourth on-cell ion implantation regions of a second polarity. The off-cell gate structure includes an off-cell gate insulating film, an off-cell gate electrode and an off-cell gate spacer. The off-cell junction structure includes first and second off-cell ion implantation regions of the first polarity and a third off-cell ion implantation region of the second polarity.11-11-2010
20110038210Electrically Erasable Programmable Read-Only Memory (EEPROM) Cell and Methods for Forming and Reading the Same - In a method of reading data in an EEPROM cell, a bit line voltage for reading is applied to the EEPROM cell including a memory transistor and a selection transistor. A first voltage is applied to a sense line of the memory transistor. A second voltage greater than the first voltage is applied to a word line of the selection transistor. A current passing through the EEPROM cell is compared with a predetermined reference current to read the data stored in the EEPROM cell. An on-cell current of the EEPROM cell may be increased in an erased state and the data in the cell may be readily discriminated.02-17-2011
20110316092Mask Rom - A mask read-only memory (ROM) includes parallel doping lines of a second conductivity type formed in a substrate of a first conductivity type, a first insulation film formed on the doping lines and the substrate, conductive pads fainted on the first insulation film, a second insulation film formed on the first insulation film and the conductive pads, parallel wires formed on the second insulation film extending perpendicular to the doping lines, contact plugs formed in the first insulation film that connect the doping lines to the conductive pads, and vias formed in the second insulation film that connect the conductive pads to the wires, wherein crossings of the doping lines and the wires define memory cells, contact plugs and vias are formed in memory cells of a first type, and at least one of the contact plug and via are missing from memory cells of a second type.12-29-2011

Patent applications by Jung-Ho Moon, Seoul KR

Jung-Ho Moon, Gangwon-Do KR

Patent application numberDescriptionPublished
20100097988WIRELESS SENSOR NETWORK WITH LINEAR STRUCTURE BEING CAPABLE OF BIDIRECTIONAL COMMUNICATION AND METHOD THEREOF - Disclosed is a wireless sensor network with a linear structure capable of bidirectional communication. The wireless sensor network includes a plurality of nodes linearly connected from a sink node to a terminal node by connecting each node to a single upper-level node and a single lower-level node, each node has an active period for transmitting/receiving data to/from its upper-level node and lower-level node, the active period includes a downstream duration for transmitting data/commands from the sink node to the terminal node and an upstream duration for transmitting data/commands from the terminal node to the sink node, and each of the upstream and downstream durations sequentially includes RX, TX, and ACK intervals, so that bidirectional communication between the sink node and the terminal node can be performed within a single active period.04-22-2010

Jung-Ho Oh, Goyang City KR

Patent application numberDescriptionPublished
20100107706DOOR LOCKS - This invention has the following structures and features: unlocks only when pressing inner keys that correspond to the upper section or inclines of the key; deadlock structure which acts as a non-powered prevention method of coercive rotations; reducing the probability of equal key presence without altering the key size by inserting two or more inner keys for simultaneous pressurization and alignment. Due to the fact that digital door locks are prone to static electricity, high voltage, magnetic fields and surges, this invention can be utilized as a safe means of analog keys; in case of car door locks, this invention can be utilized as emergency keys. In addition, coercive rotation preventing features such as gears, twists and torque shares will prove to be very useful for all type of door locks such as deadlocks, cylinder or lever-type knobs as they provide three to fivefold stronger safety.05-06-2010

Jung-Ho Seo, Seoul KR

Patent application numberDescriptionPublished
20110236249MAGNESIUM-BASED ALLOY WITH SUPERIOR FLUIDITY AND HOT-TEARING RESISTANCE AND MANUFACTURING METHOD THEREOF - Provided are a magnesium-based alloy and a manufacturing method thereof. In the method, a magnesium alloy is melted into liquid phase, and an alkaline earth metal oxide is added into a molten magnesium alloy. The alkaline earth metal oxide is exhausted through surface reduction reaction between the melt and the alkaline earth metal oxide. Alkaline earth metal produced by the exhaustion reacts with Mg and/or other alloying elements in the magnesium alloy so that an intermetallic compound is formed. The magnesium prepared by the method is excellent in fluidity and hot-tearing resistance. To this end, the alkaline earth metal oxide added is CaO, and the added amount of CaO is 1.4 to 1.7 times the target weight of Ca to be contained in the final Mg alloy.09-29-2011
20110236250MAGNESIUM ALLOY FOR ROOM TEMPERATURE AND MANUFACTURING METHOD THEREOF - Provided is a magnesium alloy for room temperature, which is manufactured by adding CaO onto a surface of a molten magnesium alloy and exhausting the CaO through a reduction reaction of the CaO with the molten magnesium alloy. Resultantly, the magnesium alloy with CaO added has more improved room-temperature mechanical properties (tensile strength, yield strength, elongation) than magnesium alloys without using CaO. Furthermore, as the added amount of CaO increases, room-temperature mechanical properties (tensile strength, yield strength, elongation) increase as well.09-29-2011
20110236251MAGENSIUM-BASED ALLOY FOR HIGH TEMPERATURE AND MANUFACTURING METHOD THEREOF - Provided is a manufacturing method of a magnesium-based alloy for high temperature. The manufacturing method includes melting a magnesium (Mg) or magnesium alloy into a liquid phase, adding calcium oxide (CaO) 1.4 times the weight of a final calcium (Ca) target composition onto a surface of a melt in which the magnesium or the magnesium alloy is melted, forming a targeted amount of Ca in the magnesium or magnesium alloy through a reduction reaction between the melt and the added CaO. Specifically, the amount of Ca formed is in the range of 0.8 wt % to 2.4 wt %, and a final composition of the Mg alloy includes 6.0-8.0 wt % of aluminum (Al), 0.1-0.3 wt % of manganese (Mn), 0.2-0.3 wt % of strontium (Sr), less than 0.04 wt of zinc (Zn), less than 0.9 wt of tin (Sn), and a balance being Mg.09-29-2011