Youm
Byeong Hwan Youm, Suwon-Si KR
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20150288055 | ANTENNA MODULE AND ELECTRONIC DEVICES COMPRISING THE SAME - An antenna module and an electronic device are provided. The antenna module may include a first case including a case surface, wherein at least one antenna protection part is disposed on the first case, and wherein the at least one antenna projection part is formed to be distinguishable from the case surface, an antenna including a pattern, wherein at least a part of the pattern of the antenna is adjacently disposed to the antenna protection part. | 10-08-2015 |
20160079663 | ANTENNA DEVICE AND MANUFACTURING METHOD THEREOF - An example antenna device may includes a base member, an antenna that is attached to the base member, and a cover member that is attached to surround at least a part of the base member and at least a part of the antenna. A first part of the base member that is attached to the cover member has a melting temperature equal to or lower than that of the cover member. A second part of the base member to which the antenna is attached has a higher melting temperature than the cover member. | 03-17-2016 |
Chul Youm, Gyeonggi-Do KR
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20110262812 | NEGATIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, PREPARATION METHOD OF THE SAME, AND LITHIUM SECONDARY BATTERY CONTAINING THE SAME - The present invention relates to a negative electrode active material for a lithium secondary battery, a preparation method thereof, and a lithium secondary battery containing the negative electrode active material. The negative electrode active material for the lithium secondary battery according to the present invention is formed by mixing: a carbon material coated with vapor growth carbon fiber (VGCF) and amorphous graphite; and one or more kinds of other carbon material selected from natural graphite, artificial graphite, amorphous-coated graphite, resin-coated graphite and amorphous carbon. According to the present invention, when the negative electrode active material is prepared, the carbon fiber is uniformly dispersed throughout the carbon material, and the carbon material is coated with the amorphous graphite and then mixed with other carbon materials, and thus, a high electrode density can be achieved. Accordingly, even with high electrode density, the invention can provide the negative electrode active material with excellent electrochemical properties such as charge/discharge efficiency and cycle characteristics. | 10-27-2011 |
20120070732 | NEGATIVE ACTIVE MATERIAL FOR SECONDARY BATTERY, AND ELECTRODE AND SECONDARY BATTERY INCLUDING THE SAME - A negative active material for a secondary battery includes a core carbon material, and a carbide layer formed on at least a portion of an edge of the core carbon material, and has a specific surface area ratio of 1.6 or less and a sphericity ratio of 0.6 or more when the negative active material is compressed with a pressure of 1.3 ton per 1 cm | 03-22-2012 |
20130034775 | CARBON NEGATIVE ELECTRODE MATERIAL FOR LITHIUM SECONDARY BATTERY, PRODUCTION METHOD THEREOF AND LITHIUM SECONDARY BATTERY USING THE SAME - A carbon negative electrode material for a lithium secondary battery includes: a core carbon material; and a coated layer covering the core carbon material and comprising a carbon coating material and carbon fiber. | 02-07-2013 |
Chul Youm, Yongin-Si KR
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20130189569 | FABRICATING METHOD OF SECONDARY BATTERY - A fabrication method of a secondary battery having excellent electrolyte impregnating characteristics and excellent productivity without fracture of an electrode plate or separation of an active material is disclosed. The fabrication method includes providing a plurality of first electrode plates and second electrode plates and two separators, attaching the plurality of first electrode plates to portions between the two separators, attaching the plurality of second electrode plates to one of the two separators, winding the separators having the plurality of first and second electrode plates to form a wound electrode assembly, removing curved portions of the outermost separators positioned at exterior sides of the first and second electrode plates to form a stacked electrode assembly and accommodating the stacked electrode assembly in a sheath member. | 07-25-2013 |
20150194663 | NEGATIVE ELECTRODE AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - A negative electrode for a rechargeable lithium battery includes: a current collector; and a negative active material layer on the current collector. The negative active material layer includes a negative active material including a graphite-silicon composite including a graphite particle, a silicon (Si) particle on a surface of the graphite particle, and a carbon coating layer surrounding the graphite particle on the surface of the silicon (Si) particle. A rechargeable lithium battery includes the negative electrode. | 07-09-2015 |
20150194698 | RECHARGEABLE LITHIUM BATTERY - A rechargeable lithium battery includes a negative electrode including a negative active material, a positive electrode including a positive active material, and an electrolyte including a lithium salt, a non-aqueous organic solvent, and an additive. The negative active material includes a graphite-silicon composite and graphite. The graphite-silicon composite includes a graphite particle, a silicon (Si) particle on the surface of the graphite particle, and a carbon coating layer surrounding the silicon particle on the surface of the graphite particle. The additive includes fluoroethylene carbonate in an amount of about 2 to about 5 wt % based on the total amount of the non-aqueous organic solvent. | 07-09-2015 |
Chul Jun Youm, Uijeongbu KR
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20160069249 | CASTING PRODUCT AND MANUFACTURING METHOD THEREOF - The present invention relates to a casting product and a method of manufacturing the casting product. The manufacturing method of the casting product includes: manufacturing a salt core including a heterogeneous material part; manufacturing the casting product by inserting the salt core including the heterogeneous material part into a casting mold; injecting a molten metal into the casting mold; and removing the salt core from the casting product. | 03-10-2016 |
Chul-Jun Youm, Uijeongbu-Si KR
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20150260079 | CYLINDER BLOCK - A cylinder block including a water jacket for maintaining an engine at a proper temperature during operation thereof may include a plurality of cylinders formed within the cylinder block so that a number of pistons are respectively inserted into the cylinders, and a heat sink formed in the water jacket provided to enclose side surfaces of the plural cylinders. | 09-17-2015 |
Do-Jun Youm, Daejeon KR
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20100107979 | APPARATUS FOR CONTINUOUS FABRICATING SUPERCONDUCTING TAPES - Provided is an apparatus for continuously fabricating superconducting tapes. An evaporation using drum in dual chamber (EDDC) method is suitable for mass production of high-temperature superconducting tapes. However, the EDDC method is limited to fabrication of high-temperature superconducting tapes having a limited length. In an attempt, high-temperature super-conducting tapes having a sufficiently large length can be fabricated using the EDDC method by releasing a long high-temperature superconducting tape from one reel and winding the long high-temperature superconducting tape around the other reel. In this case, it is important to stably move a high-temperature superconducting tape spirally wound around a drum from one reel to the other reel. Therefore, the provided apparatus uses endless tract belts separately disposed around a drum to stably and continuously move a high-temperature superconducting tape spirally wound around the drum along the centerline of the drum from one reel to the other reel. | 05-06-2010 |
20110111963 | Apparatus For Fabricating High Temperature Superconducting Film And High Temperature Superconducting Film Fabricated Through Auxiliary Cluster Beam Spraying - Disclosed herein is a high temperature superconducting film and an apparatus for fabricating a high temperature superconducting film in a vacuum chamber through auxiliary cluster beam spraying using an evaporation method, wherein a high temperature superconducting material is deposited on a substrate in a vapor state by evaporating the high temperature superconducting material, and at the same time, a cluster beam material is formed into gas atoms by heating the cluster beam material charged in a material housing, and the formed gas atoms pass through a nozzle of an inlet of the material housing and then are sprayed and grown on the substrate in the form of the cluster beam, thereby forming pinning centers in the high temperature superconducting film. | 05-12-2011 |
Dongyun Youm, San Francisco, CA US
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20150046602 | DATA SYNCHRONIZATION SYSTEMS AND METHODS - Embodiments disclose synchronizing a predetermined dataset with a real-time dataset, wherein the predetermined dataset and the real-time dataset may be synchronized based on time information, and location information. | 02-12-2015 |
Eui-Joon Youm, Honolulu, HI US
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20100160038 | INTERACTIVE ASYNCHRONOUS COMPUTER GAME INFRASTRUCTURE - In embodiments of the present invention improved capabilities are described for a computer program product embodied in a computer readable medium that, when executing on one or more computers, receives a request for game play, and in response to the request, causing prior game play data to be retrieved, where the prior game play data was stored in response to prior game play of another user. Further, an asynchronous game play environment may be provided where an active participant, who made the request, is able to play against and interact with an apparently live participant based on the prior game play data. | 06-24-2010 |
20120009997 | INTERACTIVE ASYNCHRONOUS GAME OFFLINE PLAY ARCHITECTURE - In embodiments of the present invention improved capabilities are described for serving a computer game, comprising (a) receiving, at a server, a request from a client for prior game play data relating to another user's prior live game play; (b) retrieving the prior game play data and transmitting the prior game play data to the client; (c) causing the client to store the prior game play data such that the client can retrieve the prior game play data at a later time; and (d) presenting a multi-player game environment where a live gaming participant using the client can play against and have two-way interactions with an apparently live opponent, the apparently live opponent's interaction being based on the prior game play data. | 01-12-2012 |
20120010734 | INTERACTIVE HYBRID ASYNCHRONOUS COMPUTER GAME INFRASTRUCTURE WITH DYNAMIC DIFFICULTY ADJUSTMENT - In embodiments of the present invention improved capabilities are described for a gaming method, comprising the steps of: (a) receiving, from a live participant, a request for game play, the request including desired opponent information; (b) in response to the request, evaluating prior game play data associated with the live participant to assess the live participant's recent success in gaming, forming a satisfaction score; (c) in further response to the request, causing another user's prior game play data to be selected and retrieved based on the following (i) a substantial match with the desired opponent information; and (ii) a substantial match with the satisfaction score; and presenting a multi-player game environment where the live gaming participant can play against and have two-way interactions with an apparently live opponent, the apparently live opponent's interaction being based on the other user's prior game play data. | 01-12-2012 |
20120021823 | INTERACTIVE HYBRID ASYNCHRONOUS COMPUTER GAME INFRASTRUCTURE - In embodiments of the present invention improved capabilities are described for a gaming method, comprising the steps of: (a) upon receiving a game initiation request from an initiating live participant, providing a computer generated multi-player game environment in which the initiating live participant can play a game and invite at least one additional participant to join the game; (b) in response to receiving a second participant invitation from the live participant, requesting a second live participant to join the game; and (c) following the second participant invitation, providing a wait period for receiving acceptance of a second live participant to join the game prior to starting the game, where if the second live player accepts within the wait period the two players play live, and if not, then a simulated live opponent is provided with inter-game interaction so that the opponent appears to be a live opponent. | 01-26-2012 |
20120064968 | INTERACTIVE ASYNCHRONOUS GAME PLAY ARCHITECTURE - In embodiments of the present invention improved capabilities are described for serving a computer game, comprising: (a) providing two separate storage facilities accessible from a server, the first storage facility comprising fast response searchable memory for storage of recently produced game play data, and the second storage facility comprising a structured database for longer term storage of game play data, the first memory having a data search and data retrieval speed that is substantially faster than the second memory; (b) receiving, at the server, a game play request from a live gaming participant with a desired opponent attribute; (c) in response to the game play request, searching the first memory, based on the attribute, to identify prior game play data corresponding to an appropriate opponent; and (d) presenting a multi-player game environment where the live gaming participant can play against and have two-way interactions with an apparently live opponent. | 03-15-2012 |
20120088579 | INTERACTIVE HYBRID ASYNCHRONOUS COMPUTER GAME INFRASTRUCTURE - In embodiments of the present invention improved capabilities are described for an online gaming method, where an initiating live participant can invite a friend to join a game as an additional participant. Following the invitation, a wait period is provided for receiving acceptance, and if acceptance is received within the wait period, then they will play as live participants in the game play. If acceptance of the friend is not received within the wait period, then a simulated additional participant based on prior game play data of the friend will be presented in game play with the initiating live participant such that the simulated additional participant appears to be a live participant due at least in part to an inter-game interaction between the initiating live participant and the simulated additional participant. | 04-12-2012 |
20120122552 | INTERACTIVE ASYNCHRONOUS GAME BUCKETING FACILITY - Improved capabilities are described for managing prior game play data for asynchronous computer game play, comprising: providing fast response searchable memory for storage of game play data having a data search and data retrieval speed that is substantially faster than a data search and data retrieval speed from a structured database; receiving game play data from a live participant; identifying a game attribute; providing a plurality of game play data buckets in the fast response searchable memory, forming a bucket attribute corresponding to each bucket; and storing the game play data in one of the buckets where the bucket attribute and the game attribute substantially match, such that, upon receipt of a gaming request that includes a desired attribute, the desired attribute can be used as a basis for identifying a bucket from the buckets in which to search for prior game data to be used to simulate an opponent. | 05-17-2012 |
20130130807 | INTERACTIVE ASYNCHROUNOUS COMPUTER GAME INFRASTRUCTURE - In embodiments of the present invention improved capabilities are described for a computer program product embodied in a computer readable medium that, when executing on one or more computers, receives a request for game play, and in response to the request, causing prior game play data to be retrieved, where the prior game play data was stored in response to prior game play of another user. Further, an asynchronous game play environment may be provided where an active participant, who made the request, is able to play against and interact with an apparently live participant based on the prior game play data. | 05-23-2013 |
Eunsun Youm, Seongnam-Si KR
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20120171861 | METHODS OF FABRICATING THREE-DIMENSIONAL SEMICONDUCTOR DEVICE - A method of fabricating a three-dimensional semiconductor device includes forming a stacked structure, and the stacked structure includes a first layer, a second layer, a third layer, and a fourth layer sequentially stacked on a substrate. The method also includes forming a sacrificial spacer on a sidewall of the stacked structure such that the sacrificial spacer exposes a sidewall of the third layer, and recessing the exposed sidewall of the third layer thereby forming a recess region between the second and fourth layers. | 07-05-2012 |
Eun-Sun Youm, Seongnam-Si KR
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20120228697 | NONVOLATILE MEMORY DEVICE AND METHOD OF MANUFACTURING THE SAME - A nonvolatile memory device having a vertical structure and a method of manufacturing the same, the nonvolatile memory device including a channel region that vertically extends from a substrate; gate electrodes on the substrate, the gate electrodes being disposed along an outer side wall of the channel region and spaced apart from one another; and a channel pad that extends from one side of the channel region to an outside of the channel region, the channel pad covering a top surface of the channel region. | 09-13-2012 |
20140162419 | METHOD OF MANUFACTURING NONVOLATILE MEMORY DEVICE - A nonvolatile memory device having a vertical structure and a method of manufacturing the same, the nonvolatile memory device including a channel region that vertically extends from a substrate; gate electrodes on the substrate, the gate electrodes being disposed along an outer side wall of the channel region and spaced apart from one another; and a channel pad that extends from one side of the channel region to an outside of the channel region, the channel pad covering a top surface of the channel region. | 06-12-2014 |
Heung-Youl Youm, Chungcheongnam-Do KR
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20120011566 | SYSTEM AND METHOD FOR SENSOR NETWORK AUTHENTICATION BASED ON XOR CHAIN - Disclosed is a method for sensor network authentication based on an XOR chain, which authenticates a transmitting node and a message in a sensor network including a central server, a plurality of transmitting nodes, and a plurality of receiving nodes, the method comprising the steps of: (a) receiving an initial key from the central server, generating a key chain from the initial key, generating a first key chain parameter sequence from the key chain, generating authentication information by XORing all the first key chain parameter sequence, and generating a second key chain parameter sequence by XORing each parameter of the first key chain parameter sequence with the authentication information, by each of the transmitting nodes; (b) transmitting first and second parameters of the same position in the first and second key chain parameter sequences of the transmitting node together with a message by the transmitting node; and (c) XORing the first and second parameters and comparing a result of the XOR operation with the authentication information, thereby authenticating the message, by the receiving node. By the method, a receiving node can authenticate a transmitting node and a message by only a small quantity of fixed operation regardless of the number of key chains. | 01-12-2012 |
Jae Soo Youm, Bucheon-Si Gyeonggi-Do KR
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20130156909 | APPARATUS AND METHOD OF MANUFACTURING COMPLETELY COOKED RICE WHICH IS COMPLETELY COOKED IN STERILIZED CONDITION - The present invention provides a method of manufacturing packaged completely cooked rice or a packaged completely cooked mixed rice, comprising a steaming process of sterilizing and primarily cooking the contents in the opened container by filling the controlled steam having high pressure and high temperature in the steaming unit; a cooking process of additionally sterilizing the contents in the opened container by filling the controlled steam having high pressure and high temperature in the steaming unit, and supplying water in the contents, and then completely cooking the contents; and a sealing process of supplying clean nitrogen gas to the completely cooked contents in the sealing unit and sealing the upper end of the opened container with the lid film, wherein the steaming unit, cooking unit and the sealing unit are connected in turn in the one container so that the opened container can be input into and output from each of the units. Therefore, the contents selectively combined from various cereal crops including rice, nuts and other additives including powders of the cereal crops, the nuts or the like are provided in a completely cooked state so that a user can eat instantly without a separate heating process. | 06-20-2013 |
Jang-Hyoun Youm, Suwon-Si KR
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20150248126 | ETHERCAT CONTROL DEVICE AND FACTORY AUTOMATION SYSTEM HAVING THE SAME - An EtherCAT control device and a factory automation system having the same are provided. The EtherCAT control device includes a master including a dummy EtherCAT slave controller (ESC) and a first slave configured to communicate data with the master according to an EtherCAT protocol, such that the master synchronizes a timing with the first slave according to a precision time protocol (PTP) method using the dummy ESC. | 09-03-2015 |
Julie Hae-Jung Youm, New York, NY US
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20090192854 | Method and apparatus for facilitating electronic acquisition and maintenence of goods and services via the internet - Internet acquisition of goods and services from multiple service providers is facilitated in a uniform, automated manner. Online service account facilitation systems and methods are contemplated that allow for intuitive, uniformly-structured representations of service offerings; straightforward, yet flexible, definition of service product markets; advantageous status designations for market offerings; flexible start date restriction rules; context sensitive information request forms, dynamic price determination on interactive comparison forms; flexible restriction rules for selection combinations of plans, packages, and features; creation of customized data elements; a powerfully advantageous ordering process; a discontinuation process; an inter-dependent order resolution feature; a hierarchical customization scheme; and/or centralized two-way communication between customers and service providers. In one embodiment, tenants of business or residential properties, may connect and disconnect utilities and/or purchase other goods and services electronically via the Internet from various service providers when moving into the property. | 07-30-2009 |
Jung Eun Youm, Suwon KR
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20140111132 | APPARATUS AND METHOD FOR CONTROLLING MOTOR - There are provided an apparatus and a method for controlling a motor. The apparatus includes: a comparing unit comparing a target value and an output value and calculating error values therefrom; and a controlling unit controlling the motor by selecting one of a proportional control and a proportional integral control according to an average error value calculated by averaging the error values for each section having a predetermined interval and adjusting a gain value of the selected control. | 04-24-2014 |
20140117898 | CIRCUIT AND METHOD FOR DETECTING DUTY RATIO OF PWM SIGNAL - There are provided a circuit and a method for detecting a duty ratio of a PWM signal. The circuit includes: a counting unit counting a PWM signal; a detection indication determining unit determining whether a detection indication signal indicating a start of detection of the duty ratio of the PWM signal has been input; an edge detecting unit detecting a preset PWM edge of the PWM signal; and a duty calculating unit calculating the duty ratio of the PWM signal using a count value during a section from a k-th point in time (T(k)) (k being a natural number of 1 or more) at which the PWM edge is detected after it is determined that the detection indication signal has been input to a k+1-th point in time (T(k+1)) at which the PWM edge is detected after it is subsequently determined that the detection indication signal has been input. | 05-01-2014 |
20140184119 | BRUSHLESS DIRECT CONTACT MOTOR DRIVING DEVICE AND METHOD OF CONTROLLING THE SAME - There is provided a method of controlling a BLDC motor driving device, including aligning a rotor; storing alignment information of the rotor, determining whether the alignment of the rotor is correct or incorrect, and realigning the rotor based on the alignment information. | 07-03-2014 |
Jung Won Youm, Daejeon KR
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20080213340 | Transformed Plant Cell Expressing Tandem Repeats of Beta-Amyloid Gene and Plant Produced by the Same - The present invention relates to a transformed plant cell expressing β-amyloid gene, which is known as a causal substance of senile dementia in human, a transformed plant and a preparation method of the same, more particularly, to a transformed plant cell expressing tandem repeats of β-amyloid gene, a transformed plant produced by tissue-culturing the above cells and a preparation method of the same. The transformed plant of the present invention expresses multiple β-amyloid protein, so that the plant can be effectively used for the preparation of an oral vaccine composition for the prevention of senile dementia in human. | 09-04-2008 |
Ki-Bog Youm, Cheongju-Si KR
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20150042318 | MAGNETIC SENSOR TEST APPARATUS AND METHOD - Provided are a magnetic sensor test apparatus and a magnetic sensor test method. The magnetic sensor test apparatus includes a vertical coil configured to generate a magnetic field and at least one periphery coil. The magnetic sensor test apparatus and method may test a magnetic sensor on a semiconductor wafer. | 02-12-2015 |
Kwangseop Youm, Cheongju-Si KR
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20120145447 | Via structure, method for forming the via structure, and circuit board with the via structure and method for manufacturing the circuit board - Disclosed herein is a via structure with a conductive via. There is provided a via structure, including: a substrate laminate having a multilayer structure and a via hole penetrating through the multilayer structure; a first circuit pattern formed on one surface of the substrate laminate; a second circuit pattern formed on the other surface of the substrate laminate; and a conductive via formed in the via hole and having one end connected to the first circuit pattern and the other end connected to the second circuit pattern, wherein the multilayer structure includes resin layers having different etching rates using an alkaline solution. | 06-14-2012 |
Kwang Seop Youm, Chungcheongbuk-Do KR
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20100288535 | ELECTRONIC COMPONENT-EMBEDDED PRINTED CIRCUIT BOARD COMPRISING COOLING MEMBER AND METHOD OF MANUFACTURING THE SAME - Disclosed herein is an electronic component-embedded printed circuit board, in which a cooling member connecting with an inner circuit layer of a printed circuit board is provided on one side of an electronic component, so that the heat radiation performance thereof can be improved and the thickness thereof can be decreased, and a method of manufacturing the same. | 11-18-2010 |
20110266671 | SUBSTRATE FOR A SEMICONDUCTOR PACKAGE AND MANUFACTURING METHOD THEREOF - Disclosed herein are a substrate for a semiconductor package and a manufacturing method thereof. The substrate for the semiconductor package, which has a single-sided substrate structure including circuit patterns having a connection pad formed on only an electronic component mounting surface, can directly connect a connection pad on the top of the substrate to external connection terminals on the bottom of the substrate through a connection via formed of a metal plating layer formed in an inner wall of the via hole and a conductive metal paste filled in the via hole. | 11-03-2011 |
20120103671 | PRINTED CIRCUIT BOARD AND METHOD FOR MANUFACTURING THE SAME - Disclosed herein are a printed circuit board and a method for manufacturing the same capable of implementing a slim and small semiconductor package by the printed circuit board configured to include a circuit layer and an insulating layer as a single layer and shortening a process time and reducing processing costs by forming a bump using a screen printing method. Further, disclosed herein is a method for manufacturing a printed circuit board capable of improving a warpage problem of the printed circuit board that occurs during a polishing process by adopting a coining process instead of a polishing process. | 05-03-2012 |
Kwang Seop Youm, Sejong KR
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20140028336 | PRINTED CIRCUIT BOARD - Disclosed herein is a printed circuit board. In the printed circuit board provided with a router machining line to be partitioned into a unit region in which a plurality of unit substrates are formed and a dummy region enclosing the unit region, the unit region and the dummy region are formed in a plurality of layers and the printed circuit board includes detection coupons formed on each of the plurality of layers. | 01-30-2014 |
Kwang Seop Youm, Yeongi KR
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20140159222 | CHIP-EMBEDDED PRINTED CIRCUIT BOARD AND SEMICONDUCTOR PACKAGE USING THE PCB, AND MANUFACTURING METHOD OF THE PCB - A chip-embedded printed circuit board (PCB), a semiconductor package using the PCB, and a manufacturing method of the chip-embedded PCB. The semiconductor package using a chip-embedded printed circuit board (PCB) includes upper and lower semiconductor packages having a package on package (PoP) structure, wherein the lower semiconductor package includes a base substrate including predetermined circuit patterns formed therein; an electronic component electrically connected to the circuit pattern and embedded in the base substrate such that one surface thereof is exposed to an upper surface of the base substrate; and a heat dissipation member installed on an exposed surface of the electronic component to dissipate heat generated from the electronic component to the outside. | 06-12-2014 |
20140240949 | SUBSTRATE STRIP - Disclosed herein is a substrate strip including: a substrate region having a plurality of substrate units formed therein; a dummy region enclosing the substrate region; a plurality of metal patterns formed at a predetermined size in the dummy region; and rib patterns formed between the metal patterns. | 08-28-2014 |
Kwang Seop Youm, Yeongi-Gun KR
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20140300001 | PRINTED CIRCUIT BOARD AND MANUFACTURING METHOD THEREOF, AND SEMICONDUCTOR PACKAGE INCLUDING THE PRINTED CIRCUIT BOARD - A printed circuit board, a manufacturing method thereof, and a semiconductor package including the printed circuit board. The printed circuit board includes a base substrate including a plurality of circuit patterns, a cavity formed above the base substrate, a pad embedded in the base substrate and being exposed through the substrate bottom surface of the cavity, and an electronic component mounted in the cavity and electrically connected to the pad. A cavity having a predetermined depth is formed in a base substrate of a printed circuit board so as to mount an electronic component therein, such that a gap between an upper semiconductor package and a lower semiconductor package may be obtained even if pitches between the balls are decreased for high density and high performance of the upper semiconductor package in the manufacturing of a semiconductor package having a PoP structure. | 10-09-2014 |
Kwang-Seop Youm, Cheongjoo-Si KR
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20110048784 | PRINTED CIRCUIT BOARD STRIP AND PANEL - A printed circuit board strip and a printed circuit board panel are disclosed. In accordance with an embodiment of the present invention, the printed circuit board strip includes an unit area, a plating lead-in wire, which is for plating the unit area, and a mold gate, which is disposed on an outer side of the unit area. Here, the plating lead-in wire and the mold gate are electrically connected to each other through a lead line having a shape that is bent plural times. This can significantly save the production cost by preventing an excessive plated layer from being formed in an unnecessary area. | 03-03-2011 |
Kyoung Tae Youm, Uiwang-Si KR
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20110160037 | Carbon Nanofiber-Metal Composite and Method for Preparing the Same - The present invention provides a carbon nanofiber-metal composite, which is formed by continuously coating a carbon nanofiber including a plurality of laminated truncated, conic graphenes with a metal. The carbon nanofiber-metal composite according to the present invention can have improved magnetic permeability and conductivity, and thus can be useful as an electromagnetic shielding material. | 06-30-2011 |
20110160372 | Thermoplastic Resin Composition with EMI Shielding Properties - The present invention provides a thermoplastic resin composition comprising (A) a thermoplastic resin, and (B) a carbon nanofiber-metal composite including a plurality of laminated truncated, conic graphenes continuously coated with a metal. The thermoplastic resin composition according to the present invention can have excellent EMI shielding properties. | 06-30-2011 |
20140193323 | Double Wall Carbon Nanotubes and Method for Manufacturing Same - The present invention relates to a method for manufacturing carbon nanotubes comprising: a preparatory step of a supported catalyst; a temperature-raising step of inserting the supported catalyst into a reactor, injecting hydrocarbon gas and hydrogen gas at the same time, and raising the temperature of the reactor to between 900 to 1000° C. to synthesize carbon nanotubes; and a temperature-lowering step of lowering the temperature of the reactor to between a room temperature to 200° C., injecting only hydrogen gas, and synthesizing carbon nanotubes. The carbon nanotubes manufactured by the above method have high purity, and excellent selectivity for double wall carbon nanotubes can be achieved. | 07-10-2014 |
20140238736 | Thermoplastic Resin Composition with EMI Shielding Properties - A thermoplastic resin composition that can have excellent EMI shielding and injection-molding processability includes (A) a thermoplastic resin, (B) carbon fibers, and (C) filler comprising nano metal particles surface coated with graphite crystalline nano carbon particles, composite fillers which are carbon nanotubes coated with nano metal particles, composite fillers which are carbon nanotubes supporting nano metal particles, and combinations thereof. | 08-28-2014 |
20140308524 | Stacked Transparent Electrode Comprising Metal Nanowires and Carbon Nanotubes - The present invention provides a stacked transparent electrode in which a coating layer (B) comprising carbon nanotubes and a coating layer (C) comprising metal nanowires are stacked on a base substrate (A) in a plurality of levels, wherein the stacked structure is composed of the coating layer (B) comprising carbon nanotubes and the coating layer (C) comprising metal nanowires stacked in an alternate manner, further the present invention can maximize the conductivity of the metal nanowire by coating the transparent substrate using the carbon nanotubes and the metal nanowires, and can secure efficiency and stability of the transparent electrode by preventing oxidation of the metal nanowires and maintaining a stable coating surface when coupled with the carbon nanotubes. | 10-16-2014 |
20150294751 | Composition for Transparent Electrode and Transparent Electrode Formed From Composition - A composition for a transparent electrode according to the present invention comprises (A) a carbon nanotube dispersing solution and (B) a metal nanowire solution having a zeta potential with the same polarity as the carbon nanotube dispersing solution, and a transparent electrode coated with the composition for the transparent electrode has superior transmittance, electrical conductivity and transparency. | 10-15-2015 |
Seung-Jun Youm, Daejeon KR
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20120154802 | METHOD FOR VERIFYING REPRESENTATIVENESS OF SAMPLE COLLECTED IN CONTAMINATED SOIL - Disclosed is a method for verifying representativeness of samples collected in a contaminated soil. The method includes the steps of horizontally and vertically collecting the samples from the contaminated soil on a basis of a stratum of the contaminated soil at a predetermined sampling interval; measuring a total concentration of trace elements by analyzing the collected samples according to the sampling interval; and determining horizontal and vertical sampling intervals and a sample number based on a statistical analysis result for the total concentration of the trace elements. | 06-21-2012 |
So-Young Youm, Cheongju-Si KR
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20130345158 | COMPOSITION FOR PROMOTING HEMATOGENESIS CONTAINING QUERCETIN 3-O-beta-(2''-GALLOYL)-RHAMNOPYRANOSIDE AS ACTIVE INGREDIENT - This invention relates to a composition for promoting hematopoiesis and for treating, preventing or alleviating cytopenia or bone marrow failure comprising quercetin 3-O-β-(2″-galloyl)-rhamnopyranoside (QGR) as active ingredient. The present active compound QGR (i) increases dose dependently the mRNA expression of cytokines involved in hematopoiesis including stem cell factor, granulocyte-macrophage colony stimulating factor and erythropoietin from mouse bone marrow mononuclear cells, (ii) promotes the formation of burst forming unit-erythroid and colony forming unit-fibroblast, (iii) stimulates the generation of cells positive for TER-119, a specific marker of mouse erythroid precursors, (iv) promotes erythropoiesis, leukopoiesis, thrombopoiesis, and hemoglobin production in bone marrow failure mouse model, (v) stimulates the formation of hematopoietic stem/progenitor cells and mesenchymal stem/progenitor cells, (vi) stimulates megakaryocyte formation surrounding the blood system of damaged bone marrow, osteoid formation and bone marrow restoration through a recovery of damaged bone marrow microenvironment. The QGR of the present invention can be used for promoting hematopoiesis and treating cytopenia or bone marrow failure. | 12-26-2013 |
Sun-Hee Youm, Suwon-Si KR
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20140370859 | USER TERMINAL APPARATUS, SERVER, AND METHOD OF PROVIDING A CUSTOMIZED SERVICE - A user terminal apparatus includes a storage to store use log information on the user terminal apparatus, a communicator, when an event to receive a service from an external apparatus occurs, to transmit use log information required to provide the service to the external apparatus selectively, and a controller to receive a service generated based on the transmitted use log information and customized to the user from the external apparatus. | 12-18-2014 |
Woosub Youm, Daejeon KR
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20130280557 | ULTRASONIC RECHARGEABLE BATTERY MODULE AND ULTRASONIC RECHARGEABLE BATTERY APPARATUS OF POLYHEDRAL STRUCTURE INCLUDING THE SAME - The present disclosure relates to an ultrasonic rechargeable battery module and an ultrasonic rechargeable battery apparatus of a polyhedral structure including the same. The ultrasonic rechargeable battery module includes: a packaging including an accommodation part; a reception vibration panel coupled to a peripheral portion of the packaging by using a flexible hinge to seal the packaging; an ultrasonic wave receiving element formed in a lower surface of the reception vibration panel, and configured to convert vibration energy generated by ultrasonic waves to electric energy; a circuit board formed inside the packaging, and configured to convert the electric energy converted by the ultrasonic wave receiving element to electric energy having a predetermined size; and a secondary battery formed inside the packaging and configured to store the electric energy converted by the circuit board, in which the packaging, the flexible hinge, and the reception vibration panel are formed of a titanium alloy. | 10-24-2013 |
20140167564 | CHARGING DEVICE WITH PIEZOELECTRIC-COMPOSITE AND ULTRASONIC APPARATUS WITH THE SAME - Provided is an ultrasonic apparatus. The ultrasonic apparatus may include a charging device, a circuit device electrically connected to the charging device, and a housing part for packaging the charging device and the circuit device. Here, the charging device may include a lower electrode, an upper electrode provided on the lower electrode, a plurality of pillar-shaped piezoelectric composites provided between the lower and upper electrodes, and an electrolyte layer provided between the lower and upper electrodes to fill spaces between the pillar-shaped piezoelectric composites. | 06-19-2014 |
20150207357 | WIRELESS POWER TRANSMISSION DEVICE, WIRELESS POWER RECEPTION DEVICE AND WIRELESS POWER TRANSMISSION SYSTEM - Provided is a wireless power transmission system. The wireless power transmission system includes a power supply unit generating amplified power; a wireless power transmission unit receiving and converting the amplified power into wireless power; a wireless power reception unit receiving and converting the wireless power into charging power; and a charging unit receiving the charging power, wherein the charging unit includes a battery to store the charging power and the power supply unit includes a power detection unit identifies the charged state of the battery based on the amplified voltage and amplified current of the amplified power. | 07-23-2015 |
Yun-Ho Youm, Hwaseong-Si KR
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20150254458 | ELECTRONIC SYSTEM HAVING INTEGRITY VERIFICATION DEVICE - Provided are an electronic system, an integrity verification device, and a method of performing an integrity verification operation. The electronic system includes: a memory device; a processor configured to provide a plurality of configuration records corresponding to a plurality of verification data stored in the memory device, each of the configuration records including a start address, a data length, and a reference hash value for a corresponding verification data; and an integrity verification device configured to: store the configuration records, select a configuration record, directly access the memory device to read verification data, corresponding to the selected configuration record, based on the start address and the data length included in the selected configuration record, perform a hash operation on the verification data to obtain a verification hash value, and output an interrupt signal based on the verification hash value and the reference hash value comprised in the selected configuration record. | 09-10-2015 |