Ho-Soo
Ho Soo Kim, Yongin-Si KR
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20150062390 | PHASE DIFFERENCE DETECTION PIXEL USING MICROLENS - Disclosed is a phase difference detection pixel using a microlens, which detects a phase difference without the loss of an input signal by modifying the shape of a microlens, which collects light incident into a photodiode, such that the light passes through only in a specific direction. In the phase difference detection pixel using a microlens, a signal reduction problem, which is a disadvantage of the existing phase difference detection pixel, is solved and a phase difference detection function is achieved in all areas of an image sensor. The phase difference detection pixel using a microlens is variously applied for distance measurement between objects or three-dimensional image capturing. | 03-05-2015 |
Ho Soo Park, Wando-Gun KR
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20130181579 | BULK ACOUSTIC WAVE RESONATOR - Provided is a bulk acoustic wave resonator (BAWR). The BAWR may include an air cavity disposed on a substrate, a bulk acoustic wave resonant unit including a piezoelectric layer, and a reflective layer to reflect a wave of a resonant frequency that is generated from the piezoelectric layer. | 07-18-2013 |
Ho Soo Park, Suwon-Si KR
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20160035960 | ACOUSTIC RESONATOR AND METHOD OF MANUFACTURING THE SAME - An acoustic resonator is provided in which loss of acoustic waves in a transverse direction may be reduced through a cavity formed in an acoustic resonance unit including a first electrode, a piezoelectric layer, and a second electrode, and in which acoustic waves in a longitudinal direction may be reduced by forming an air gap between the acoustic resonance unit and a substrate. Whereby, a quality factor may be improved. | 02-04-2016 |
Ho-Soo Hwang, Suwon-Si KR
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20090053120 | CATALYST-SPREADING DEVICE IN A DEVICE FOR PRODUCING CARBON NANOTUBES - According to an exemplary embodiment of the present invention there is provided a catalyst-spreading device comprising: a mesh boat which stores catalyst to be spread on a substrate and includes a bottom having a mesh net, a transportation unit which transports the mesh boat or the substrate, and a vibration unit which vibrates the mesh boat to spread the catalyst on the substrate. | 02-26-2009 |
20100278713 | Method of manufacturing a carbon nanotube, and apparatus and system for performing the method - In a method of manufacturing a carbon nanotube, a boat configured to receive substrates is positioned outside of a synthesis space where the carbon nanotube is synthesized. The substrates are loaded into the boat. The boat is then transferred to the synthesis space. A process for forming the carbon nanotube is performed on the substrates in the synthesis space to form the carbon nanotube. Thus, the carbon nanotube may be effectively manufactured. | 11-04-2010 |
20100284897 | Apparatus and method for synthesizing carbon nanotube - An apparatus for synthesizing a carbon nanotube includes a reaction chamber, a cassette, a transferring member, a heater, a gas supply member and a gas exhausting part. The carbon nanotube is synthesized in the reaction chamber. The reaction chamber has a substantially vertical major axis. The cassette holds a plurality of substrates. The transferring member transfers the cassette along a direction substantially in parallel relative to the major axis to load/unload the cassette into/from the reaction chamber. The heater heats the reaction chamber. The gas supply member provides the reaction chamber with a gas for synthesizing the carbon nanotube. The gas exhausting member exhausts a remaining gas from the reaction chamber. Collecting the carbon nanotube may be facilitated and managing the reaction chamber may be effective to enhance a productivity of the carbon nanotube. | 11-11-2010 |
20140087184 | CATALYST COMPOSITION FOR THE SYNTHESIS OF MULTI-WALLED CARBON NANOTUBES - The present invention relates to a catalyst composition for the synthesis of multi-walled carbon nanotube having high apparent density in a manner of high yield. More particularly, this invention relates to a multi-component metal catalyst composition comprising i) main catalyst of Fe and Mo, ii) inactive support of Al and iii) optional co-catalyst at least one selected from Co, Ni, Ti, Mn, W, Sn or Cu. Further, the present invention affords multi-walled carbon nanotube having 5˜15 nm of fibrous diameter and 0.5˜4 μm bundle diameter. | 03-27-2014 |
20150353360 | CATALYST COMPOSITION FOR THE SYNTHESIS OF MULTI-WALLED CARBON NANOTUBES - The present invention relates to a catalyst composition for the synthesis of multi-walled carbon nanotube having high apparent density in a manner of high yield. More particularly, this invention relates to a multi-component metal catalyst composition comprising i) main catalyst of Fe and Mo, ii) inactive support of Al and iii) optional co-catalyst at least one selected from Co, Ni, Ti, Mn, W, Sn or Cu. Further, the present invention affords multi-walled carbon nanotube having 5˜15 nm of fibrous diameter and 0.5˜4 μm bundle diameter. | 12-10-2015 |
Ho-Soo Hwang, Gyeonggi-Do KR
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20080305031 | System and Method For Producing Carbon Nanotubes - A system for producing carbon nanotubes includes a reaction chamber in which a process is performed for producing a carbon nanotube on a synthetic substrate; a station part disposed at one side of the reaction chamber and provided with a first transporter for loading/unloading the synthetic substrate to/from the reaction chamber; a first transporter installed inside the station part for loading/unloading synthetic substrates to/from the reaction chamber; a substrate accommodating part in which a substrate to be loaded to the reaction chamber is accommodated or a synthetic substrate unloaded from the reaction chamber waits; a retrieve part for drawing out a synthetic substrate from the substrate accommodating part to retrieve a carbon nanotube produced on the synthetic substrate; a catalyst coating unit configured for coating a synthetic substrate with a catalyst before the synthetic substrate is accommodated in the substrate accommodating part of the station part; and a second transporter for transporting a synthetic substrate between the retrieve part and the substrate accommodating part and between the catalyst coating unit and the substrate accommodating part. | 12-11-2008 |
20090087371 | Apparatus for manufacturing carbon nanotubes and method of manufacturing carbon nanotubes with the same - Provided are an apparatus for manufacturing carbon nanotubes and a method of manufacturing carbon nanotubes with the apparatus. A plurality of carbon-nanotube-synthesizing units are disposed in series to continuously perform a carbon-nanotube-synthesizing process. Thus, carbon nanotubes having a uniform quality can be synthesized. | 04-02-2009 |
20090169465 | Fluidizing bed apparatus for producing carbon nanotubes and carbon nanotube production facility and method using the same - Provided is an apparatus for producing carbon nanotubes. The apparatus includes a reaction chamber and a rotating member. The reaction chamber provides a reaction space in which metal catalysts and a source gas react with one another to produce carbon nanotubes. The rotating member increases fluidizing of the metal catalysts in the reaction space to increase productivity and raise the gas conversion rate, thereby reducing the price of carbon nanotubes and preventing adhering of metal catalysts to the sidewall of the reaction chamber. | 07-02-2009 |
20100123274 | METHOD FOR SYNTHESIZING CONDUCTIVE COMPOSITE - Provided are an apparatus and method for synthesizing a conductive composite with enhanced electrical conductivity. The apparatus includes: an injection-molding machine which injection-molds pellets created by mixing carbon nanotubes (CNTs) with polymers; and an electric field generator which applies an electric field to the pellets that are melted while the melted pellets are injection-molded and thus rearranges the CNTs included in a composite into which the melted pellets are injection-molded. | 05-20-2010 |
Ho-Soo Jang, Asan-Si KR
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20110171338 | APPARATUS AND METHOD FOR MOLDING COMPOUND - Provided are a device and method for molding a compound. The device for molding a compound may include a lower mold, an upper mold, and a cull degating unit. The lower mold may be configured to support a substrate and attach to a compound injector and the upper mold may be configured to cover the lower mold to form a space between the lower mold and the upper mold for receiving a compound from the compound injector. The cull degating unit may be in the upper mold and the cull degating unit may be configured to separate a cull of the compound in an injection passage from the compound molded on the substrate. The compound injector may be configured to inject a compound into the device such that a least a portion of the compound is molded on the substrate. | 07-14-2011 |
20120225150 | MOLDING APPARATUS FOR SEMICONDUCTOR PACKAGE - A molding apparatus for semiconductor package includes: a lower mold supporting a first semiconductor chip; a middle mold positioned over the lower mold and supporting a second semiconductor chip, and having a first cavity for molding the first semiconductor chip on a lower surface facing the lower mold; an upper mold positioned over the middle mold and having a second cavity for molding the second semiconductor chip on a lower surface facing the middle mold; a first supply port penetrating the lower mold and connected to the first cavity; a second supply port penetrating the lower and middle molds and connected to the second cavity; and a pressure unit positioned under the lower mold and including first and second transfer rams provided respectively in the first and second supply ports to pressure molding compound therein to supply the molding compound into the first and second cavities. | 09-06-2012 |
Ho-Soo Kim, Seoul KR
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20110045812 | SELECTING INPUT/OUTPUT COMPONENTS OF A MOBILE TERMINAL - A device includes a first microphone at a first position on the device, a second microphone at a second position on the device, a first speaker at a third position on the device, and a second speaker at a fourth position on the device. The first, second, third, and fourth positions of the device are different positions. The device also includes a controller configured to determine a physical characteristic of the device. The controller is further configured to select, based on the determined physical characteristic, among the first microphone at the first position on the device and the second microphone at the second position on the device. The controller is additionally configured to select, based on the determined physical characteristic, among the first speaker at the third position on the device or the second microphone at the fourth position on the device. | 02-24-2011 |
Ho-Soo Lim, Gyeonggi-Do KR
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20080299644 | E.Coli Mutant Containing Mutant Genes Related with Tryptophan Biosynthesis and Production Method of Tryptophan by Using the Same - The present invention relates to a Tryptophan-producing | 12-04-2008 |
Ho-Soo Seo, Gyeonggi-Do KR
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20130293240 | APPARATUS AND METHOD FOR PREVENTING ERRONEOUS DETECTION OF JACK - An apparatus and method for preventing erroneous detection of a jack is provided. The apparatus includes a detection terminal configured to detect whether a jack plug of an earphone is inserted into the jack, a comparator configured to compare a voltage input from the detection terminal with a predetermined reference voltage and provide a comparison result signal to a baseband module, a resistor with a certain resistance value, being interposed between the detection terminal and the comparator to keep a voltage of a high signal not to be lowered than the predetermined reference voltage when the jack is conducted due to conductive particles flowed into the jack. | 11-07-2013 |