Hong, Yuseong-Gu
Jong Wan Hong, Yuseong-Gu KR
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20120270381 | DIE ATTACH FILM - Provided are a die attach film, a semiconductor wafer, and a semiconductor packaging method. The die attach film can prevent generation of burrs or scattering of chips in a dicing process, and exhibits excellent expandability and pick-up characteristics in a die pressure-sensitive adhesive process. Further, the die attach film can prevent release, shifting, or deflection of a chip in a wire pressure-sensitive adhesive or molding process. Thus, it is possible to improve embeddability, inhibit warpage of a wafer or wiring substrate, and enhance productivity in a semiconductor packaging process. | 10-25-2012 |
Ju Yeon Hong, Yuseong-Gu KR
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20100142115 | BURIED CAPACITOR, METHOD OF MANUFACTURING THE SAME, AND METHOD OF CHANGING CAPACITANCE THEREOF - Provided are a buried capacitor, a method of manufacturing the same, and a method of changing a capacitance thereof. The buried capacitor includes an upper electrode including at least one first hole, a lower electrode including at least one second hole, and a dielectric interposed between the upper electrode and the lower electrode. | 06-10-2010 |
Seong-Pyo Hong, Yuseong-Gu KR
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20090117151 | VECTOR FOR ANTI-HPV VACCINE AND TRANSFORMED MICROORGANISM BY THE VECTOR - Expression vectors that can efficiently produce virion capsid protein, tumor-associated protein of human papillomavirus on a microbial surface. Bacterial strains harboring such surface display vectors, and the use of the bacterial strains or their extracts or purified products as complex vaccines, are also described. The surface display vectors contain one or more than two genes selected from among pgsB, pgsC and pgsA, encoding a poly-χ-glutamic acid synthetase complex (pgsBCA) of a | 05-07-2009 |
Seung Gweon Hong, Yuseong-Gu KR
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20120136101 | ESTER-BASED PLASTICIZER - The present invention relates to a novel ester-based plasticizer, and, more particularly, to an ester plasticizer, which is synthesized by esterifying a polyhydric alcohol and an alkylene oxide with an aliphatic carboxylic acid or an aromatic carboxylic acid. When a polyvinylchloride resin is manufactured using the ester-based plasticizer, there are advantages in that products having a high plasticizing efficiency can be obtained and in that products having excellent physical properties, such as hardness, tensile strength, etc., can be obtained. | 05-31-2012 |
20130072611 | PLASTICIZER AND METHOD OF PREPARING THE SAME - The present invention provides an ester plasticizer for polyvinyl chloride (PVC) resin, epoxy resin or urethane resin and a method of preparing the same. More particularly, the present invention provides an ester plasticizer using triacetin and coconut oil-based biodiesel as raw materials, which can prepare a resin composition having excellent plasticizing efficiency and improved physical properties such as tensile strength and the like. | 03-21-2013 |
20140171616 | SELF-ADHESIVE COMPOSITION AND SELF-ADHESIVE FILM FOR GLASS MANUFACTURED THEREFROM - Provided is a self-adhesive composition having excellent weather resistance, adhesive strength, transparency, and durability to durability against ultraviolet rays, containing aliphatic polycarbonate by copolymerization of carbon dioxide and at least one epoxide compound. Also, provided are a self-adhesive film for glass produced from the self-adhesive composition containing aliphatic polycarbonate and a use thereof. | 06-19-2014 |
Seung-Tae Hong, Yuseong-Gu KR
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20100203386 | CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY - Disclosed is a lithium secondary battery, which is low in capacity loss after overdischarge, having excellent capacity restorability after overdischarge and shows an effect of preventing a battery from swelling at a high temperature. | 08-12-2010 |
20110017935 | THERMOELECTRIC CONVERSION MATERIAL AND ITS MANUFACTURING METHOD, AND THERMOELECTRIC CONVERSION DEVICE USING THE SAME - Disclosed is a new thermoelectric conversion material represented by the chemical formula 1: Bi | 01-27-2011 |
20110079750 | COMPOUND SEMICONDUCTOR AND ITS MANUFACTURING METHOD, AND THERMOELECTRIC CONVERSION DEVICE USING THE SAME - Disclosed is a new compound semiconductor represented by the chemical formula: Bi | 04-07-2011 |
20120211045 | THERMOELECTRIC CONVERSION MATERIAL AND ITS MANUFACTURING METHOD, AND THERMOELECTRIC CONVERSION DEVICE USING THE SAME - Disclosed is a new thermoelectric conversion material represented by the chemical formula 1: Bi | 08-23-2012 |
20130302672 | CATHODE MIX FOR SECONDARY BATTERY AND SECONDARY BATTERY COMPRISING THE SAME - Disclosed is a cathode mix for secondary batteries, comprising lithium iron phosphate, coated with carbon (C), having an olivine crystal structure that contains a compound represented by the following formula 1 as a cathode active material, wherein a mean particle diameter of primary particles in the cathode active material is 2 μm or less, and the cathode mix contains a hydrophilic conductive material as a conductive material. | 11-14-2013 |
Songcheol Hong, Yuseong-Gu KR
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20090128390 | SIGNAL LEVEL CONVERSION CIRCUIT FOR INCREASING DYNAMIC RANGE OF ANALOG-TO-DIGITAL CONVERTER - Disclosed herein is a signal level conversion circuit for increasing the dynamic range of an Analog-to-Digital Converter (ADC). A comparison and calculation unit compares the value of an input signal V | 05-21-2009 |
Song Cheol Hong, Yuseong-Gu KR
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20120025907 | POWER AMPLIFIER - There is provided a power amplifier capable of supplying variable bias to an amplifier circuit by accurately transferring the envelope components of an input signal during the supply of active bias power to the amplifier circuit. The power amplifier includes: an envelope detector detecting an envelope of an input signal; a bias power generator including at least one P-type MOSFET and one N-type MOSFET connected to each other in an inverter manner between a driving power terminal supplying driving power having a preset voltage level and a reference bias power terminal supplying preset reference bias power to generate bias power varied according to detection results from the envelope detector; and an amplifier amplifying the input signal according to the bias power level from the bias power generator. | 02-02-2012 |
Soonhyung Hong, Yuseong-Gu KR
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20100154589 | METHOD OF PRODUCING NITRIDE/TUNGSTEN NANOCOMPOSITE POWDER AND NITRIDE/TUNGSTEN NANOCOMPOSITE POWDER PRODUCED USING THE SAME - Provided is a method of producing a nitride/tungsten nanocomposite powder. The method includes mixing nitride with tungsten or a tungsten alloy, and mechanically alloying the mixture in an inert atmosphere using a milling machine. | 06-24-2010 |
20100314586 | CARBON NANOTUBE BULK MATERIAL AND METHOD OF FABRICATING THE SAME - A carbon nanotube bulk material is provided. The carbon nanotube bulk material includes carbon nanotubes constituting a matrix and a polymer binder interposed between the carbon nanotubes. The polymer binder includes a polymer backbone and at least one organic moiety grafted to a terminal or a side of the polymer backbone. The organic moiety has a C | 12-16-2010 |
Sung-Hoon Hong, Yuseong-Gu KR
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20140050851 | COLLOIDAL NANOCRYSTAL-BASED THIN FILM AND SOLUTION APPARATUSES AND METHODS - Methods of exchanging ligands to form colloidal nanocrystals (NCs) with chalcogenocyanate (xCN)-based ligands and apparatuses using the same are disclosed. The ligands may be exchanged by assembling NCs into a thin film and immersing the thin film in a solution containing xCN-based ligands. The ligands may also be exchanged by mixing a xCN-based solution with a dispersion of NCs, flocculating the mixture, centrifuging the mixture, discarding the supernatant, adding a solvent to the pellet, and dispersing the solvent and pellet to form dispersed NCs with exchanged xCN-ligands. The NCs with xCN-based ligands may be used to form thin film devices and/or other electronic, optoelectronic, and photonic devices. Devices comprising nanocrystal-based thin films and methods for forming such devices are also disclosed. These devices may be constructed by depositing NCs on to a substrate to form an NC thin film and then doping the thin film by evaporation and thermal diffusion. | 02-20-2014 |
Young Jun Hong, Yuseong-Gu KR
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20120187333 | ADJUVANT FOR CONTROLLING POLISHING SELECTIVITY AND CHEMICAL MECHANICAL POLISHING SLURRY COMPRISING THE SAME - Disclosed is an adjuvant for use in simultaneous polishing of a cationically charged material and an anionically charged material, wherein the adjuvant comprises a polyelectrolyte salt containing: (a) a mixture of a linear polyelectrolyte having a weight average molecular weight of 2,000˜50,000 with a graft type polyelectrolyte that has a weight average molecular weight of 1,000˜20,000 and comprises a backbone and a side chain; and (b) a basic material. CMP (chemical mechanical polishing) slurry comprising the above adjuvant and abrasive particles is also disclosed. The adjuvant comprising a mixture of a linear polyelectrolyte with a graft type polyelectrolyte makes it possible to increase polishing selectivity as compared to CMP slurry using the linear polyelectrolyte alone, and to obtain a desired range of polishing selectivity by controlling the ratio of the linear polyelectrolyte to the graft type polyelectrolyte. | 07-26-2012 |