Youngcheol
Youngcheol Choi, Daejeon KR
Patent application number | Description | Published |
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20140363754 | POLYMER ELECTROLYTE COMPOSITION, ELECTROLYTE MEMBRANE, MEMBRANE-ELECTRODE ASSEMBLY AND FUEL CELL - Provided are a polymer electrolyte composition, an electrolyte membrane, a membrane electrolyte assembly, and a fuel cell. The polymer electrolyte composition according to an exemplary embodiment of this application includes a first solvent, a second solvent which is different from the first solvent, and a polymer which is reacted with the first solvent and the second solvent, in which the polymer includes a functional group which reacts with the first solvent by a first reaction energy and with the second solvent by a second reaction energy, and the second reaction energy is smaller than the first reaction energy. | 12-11-2014 |
20160036106 | ELECTROLYTE SOLUTION FOR ZINC AIR BATTERY AND ZINC AIR BATTERY COMPRISING THE SAME - The present disclosure relates to an electrolyte solution for a zinc-air battery and a zinc-air battery comprising the same. The zinc-air battery according to the present disclosure can be continuously charged and discharged, and thus can be used as a secondary battery. | 02-04-2016 |
Youngcheol Han, Seoul KR
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20150377531 | LINEAR COMPRESSOR AND REFRIGERATOR INCLUDING A LINEAR COMPRESSOR - A linear compressor and a refrigerator including a linear compressor is provided. The linear compressor may include a shell including a suction inlet, a cylinder provided in the shell to define a compression space for a refrigerant, a piston reciprocated in an axial direction within the cylinder, a discharge valve provided at one side of the cylinder to selectively discharge the refrigerant compressed in the compression space, at least one nozzle disposed in the cylinder to introduce at least a portion of the refrigerant discharged through the discharge valve into the cylinder, and at least one filter provided in the shell. The at least one filter may be disposed in a refrigerant passage defined from the suction inlet to the at least one nozzle via the discharge valve. Foreign substances or oil contained in the refrigerant introduced into the at least one nozzle may be filtered while passing through the at least one filter. | 12-31-2015 |
Youngcheol Kim, Yongin-Si KR
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20100136744 | METHOD FOR MAKING SEMICONDUCTOR MULTIPACKAGE MODULE INCLUDING DIE AND INVERTED LAND GRID ARRAY PACKAGE STACKED OVER BALL GRID ARRAY PACKAGE - A method for making a multipackage module that has multiple die of various types and having various functions and, in some embodiments, the module includes a digital processor, an analog device, and memory. A first die, having a comparatively large footprint, is mounted onto first die attach region on a surface of a first package substrate. A second die, having a significantly smaller footprint, is mounted upon the surface of the first die, on a second die attach region toward one edge of the first die. The first die is electrically connected by wire bonds to conductive traces in the die-attach side of the substrate. The second die is electrically connected by wire bonds to the first package substrate, and may additionally be electrically connected by wire bonds to the first die. | 06-03-2010 |
Youngcheol Kim, Young In-Si KR
Patent application number | Description | Published |
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20110215456 | THIN PACKAGE SYSTEM WITH EXTERNAL TERMINALS AND METHOD OF MANUFACTURE THEREOF - A method of manufacture of a thin package system with external terminals includes: providing a leadframe; providing a template for defining an external bond finger; forming external bond fingers in the template on the leadframe; forming land pad terminals by a first multi-layer plating; providing a die; attaching the die to the land pad terminals above the leadframe with an adhesive on the leadframe; covering an encapsulant over at least portions of the die and the external bond fingers; and removing the leadframe leaving a surface of the adhesive coplanar with a surface of the encapsulant. | 09-08-2011 |
Youngcheol Park, Daejeon KR
Patent application number | Description | Published |
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20160046540 | SYSTEM AND METHOD FOR PREVENTING CATALYST FROM OVERHEATING - A system for preventing a catalyst from overheating is provided. The system includes: a first reactor filled with a catalyst at least in part and configured to receive reaction gas and produce product gas; and a second reactor configured to cool a catalyst discharged from the first reactor. The catalyst is circulated between the first reactor and the second reactor by injecting the catalyst cooled in the second reactor into the first rector. | 02-18-2016 |