Patents by Inventor Yoon Sang Lee
Yoon Sang Lee has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240107639Abstract: An embodiment of the present disclosure provides a thermal processing apparatus and an operation method thereof capable of controlling a heat distribution of a substrate at a low cost in a thermal processing process using a microwave. According to the present disclosure, a thermal processing apparatus includes a chamber that forms a thermal processing space of a substrate, a substrate support unit that is located at a lower portion of the thermal processing space and supports the substrate, and a microwave unit that is located at an upper portion of the thermal processing space and forms an electromagnetic field by the microwave in the thermal processing space.Type: ApplicationFiled: May 31, 2023Publication date: March 28, 2024Applicant: SEMES CO., LTD.Inventors: Han Lim KANG, Yoon Seok CHOI, Yun Sang KIM, Hyun Woo JO, Sang Jeong LEE
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Patent number: 11915684Abstract: A method and an electronic device for translating a speech signal between a first language and a second language with minimized translation delay by translating fewer than all words of the speech signal according to a level of understanding of the second language by a user that receives the translation.Type: GrantFiled: January 26, 2022Date of Patent: February 27, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Ji-sang Yu, Sang-ha Kim, Jong-youb Ryu, Yoon-jung Choi, Eun-kyoung Kim, Jae-won Lee
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Publication number: 20210078095Abstract: An apparatus and method for cleaning an oxide film using a direct current reverse polarity are provided. The apparatus for cleaning an oxide film formed on a workpiece may include a power supply configured to apply direct current power and to include a positive electrode terminal and a negative electrode terminal, the workpiece configured to be electrically connected to the negative electrode terminal to act as a negative electrode to which a current is applied, and a torch having a positive electrode, which is spaced apart from the oxide film by a predetermined distance and is electrically connected to the positive electrode terminal, the torch being installed to be movable relative to the workpiece. The oxide film formed on the workpiece may be removed by applying a reverse polarity direct current between the workpiece, serving as the negative electrode, and the positive electrode to generate an arc.Type: ApplicationFiled: August 24, 2020Publication date: March 18, 2021Inventors: Yoon Sang LEE, Hyun Sang KONG, Jae Yun SHIN, Sang Myung CHO, Hyo Jin BAEK, Chang Ik LEE, Hyeong Chang RYU, Kyeong Seob LIM
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Patent number: 9238873Abstract: The manufacturing method for high-purity Zirconium is characterized by self-propagating high temperature synthesis (SHS) of a raw material having zirconium raw ore containing ZrO2, ZrSiO4, KZr2(PO4)3, or a mixture thereof and a reducing agent that is metal powder, to prepare zirconium intermetallic compound or zirconium nitride, followed by the recovery of high-purity Zr by electrolytic refining the reaction product of the SHS.Type: GrantFiled: July 29, 2011Date of Patent: January 19, 2016Assignee: The Industry & Academic Cooperation in Chungnam National UniversityInventors: Jong Hyeon Lee, Yoon Sang Lee, Han Soo Lee, Seon Jin Kim, Sun Kyo Chung, H. Nersisyan Hayk
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Publication number: 20140144786Abstract: The manufacturing method for high-purity Zirconium is characterized by self-propagating high temperature synthesis (SHS) of a raw material having zirconium raw ore containing ZrO2, ZrSiO4, KZr2(PO4)3, or a mixture thereof and a reducing agent that is metal powder, to prepare zirconium intermetallic compound or zirconium nitride, followed by the recovery of high-purity Zr by electrolytic refining the reaction product of the SHS.Type: ApplicationFiled: July 29, 2011Publication date: May 29, 2014Applicant: The Industry & Academic Cooperation in Chungnam National UniversityInventors: Jong Hyeon Lee, Yoon Sang Lee, Han Soo Lee, Seon Jin Kim, Sun Kyo Chung, H. Nersisyan Hayk
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Publication number: 20130211586Abstract: The invention relates to controlling a biped. In the biped control, target pose information for tracking control is provided by an animation engine, and/or is generated by modulating the reference pose information acquired from video capture data. In modulating such reference pose information, the current pose information can be fed back and used.Type: ApplicationFiled: July 27, 2010Publication date: August 15, 2013Inventors: Yoon Sang Lee, Je Hee Lee
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Patent number: 8277558Abstract: Disclosed are a czochralski apparatus for growing crystals and a purification method of waste salts using the same. More particularly, the present invention provides a czochralski apparatus for growing crystals comprising screw thread for fixing salt crystals mounted on a pulling bar of the apparatus in order to prevent desorption of crystals caused by load thereof during a crystal growing process without requiring alternative seed crystals and, in addition, a method for purification of waste salts, which can isolate impurities from molten waste salts using a czochralski crystal growing process without alternative adsorption medium, does not generate secondary wastes and may continuously purify the waste salts.Type: GrantFiled: April 3, 2008Date of Patent: October 2, 2012Assignees: Korea Atomic Energy Research Institute, Korea Hydro & Nuclear Power Co., Ltd.Inventors: Jong-Hyeon Lee, Han-Soo Lee, In-Tae Kim, Yoon-Sang Lee, Eung-Ho Kim
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Patent number: 8127823Abstract: A casting apparatus includes a hermetically sealed chamber, wherein the chamber includes: a melt-heating portion to melt external uranium deposits, the melt-heating portion being tiltable to allow the resulting liquid molten material to be discharged to the outside, an ingot-forming portion to receive the molten material discharged from the melt-heating portion and to cool-solidify the molten material, and a salt-capturing portion provided on the melt-heating portion, to solidify a salt gas produced when the uranium deposits are molten, and thereby recover the salt gas, wherein the ingot-forming portion includes: a horizontal turn-table rotated by an operating means, and a plurality of molds mounted on the edge of the turn-table, each containing the molten material, which is then cooled.Type: GrantFiled: November 24, 2009Date of Patent: March 6, 2012Assignees: Korea Atomic Energy Research Institute, Korea Hydro & Nuclear PowerInventors: Yoon Sang Lee, Han Soo Lee
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Patent number: 7934280Abstract: A drum-type washing machine, and tub and gasket cleaning methods are provided. The drum-type washing machine may include a tub mounted in a cabinet such that a wash water is supplied into the tub, a drum rotatably mounted in the tub such that laundry may be put into the drum, a motor that rotates the drum, and a controller that controls a driving of the motor such that, when the drum is rotated, the wash water supplied into the tub reaches an upper part of an inner circumferential surface of the tub so as to clean the inner circumferential surface of the tub and the gasket.Type: GrantFiled: October 13, 2006Date of Patent: May 3, 2011Assignee: LG Electronics Inc.Inventors: Jong Min Kim, Du Heig Choi, Min Su Kang, Yoon Sang Lee, Han Ki Cho
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Publication number: 20110056647Abstract: A casting apparatus includes a hermetically sealed chamber, wherein the chamber includes: a melt-heating portion to melt external uranium deposits, the melt-heating portion being tiltable to allow the resulting liquid molten material to be discharged to the outside, an ingot-forming portion to receive the molten material discharged from the melt-heating portion and to cool-solidify the molten material, and a salt-capturing portion provided on the melt-heating portion, to solidify a salt gas produced when the uranium deposits are molten, and thereby recover the salt gas, wherein the ingot-forming portion includes: a horizontal turn-table rotated by an operating means, and a plurality of molds mounted on the edge of the turn-table, each containing the molten material, which is then cooled.Type: ApplicationFiled: November 24, 2009Publication date: March 10, 2011Applicants: KOREA ATOMIC ENERGY RESEARCH INSTITUTE, KOREA HYDRO & NUCLEAR POWER CO., LTDInventors: Yoon Sang LEE, Han Soo LEE
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Publication number: 20090139444Abstract: Disclosed are a czochralski apparatus for growing crystals and a purification method of waste salts using the same. More particularly, the present invention provides a czochralski apparatus for growing crystals comprising screw thread for fixing salt crystals mounted on a pulling bar of the apparatus in order to prevent desorption of crystals caused by load thereof during a crystal growing process without requiring alternative seed crystals and, in addition, a method for purification of waste salts, which can isolate impurities from molten waste salts using a czochralski crystal growing process without alternative adsorption medium, does not generate secondary wastes and may continuously purify the waste salts.Type: ApplicationFiled: April 3, 2008Publication date: June 4, 2009Inventors: Jong-Hyeon Lee, Han-Soo Lee, In-Tae Kim, Yoon-Sang Lee, Eung-Ho Kim
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Publication number: 20090090388Abstract: A drum-type washing machine that is capable of easily cleaning a tub (110) and a tub cleaning method of the same are disclosed. A drum-type washing machine that is capable of cleaning a gasket (140) along with cleaning of the tub and a gasket cleaning method of the same are also disclosed. The drum-type washing machine includes a tub (110) mounted in a cabinet (101) such that wash water is supplied into a tub (110), a drum (106) rotatably mounted in the tub (110) such that laundry is put into the drum (106), a motor (104) for rotating the drum (106), and a control unit (160) for controlling the driving of the motor (104) such that, when the drum (106) is rotated, the wash water supplied into the tub (110) reaches the upper part of the inner circumferential surface of the tub (110) so as to clean the inner circumferential surface of the tub (110).Type: ApplicationFiled: October 13, 2006Publication date: April 9, 2009Inventors: Jong Min Kim, Du Heig Choi, Min Su Kang, Yoon Sang Lee, Han Ki Cho
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Publication number: 20090011942Abstract: A method of manufacturing a superconducting wire is provided. A MgB2 superconducting wire capable of obtaining a stabilizer through an inexpensive process can have high critical current density and magnetic field characteristics without separate plastic. A seamed portion of the wire can be welded to make it possible to plate the wire with conductive materials and inhibit a decrease in quality of superconducting powder. It is possible to obtain a stabilizer without inserting the superconducting powder into a tube.Type: ApplicationFiled: December 7, 2007Publication date: January 8, 2009Inventors: YOON SANG LEE, WOO HYUN CHUNG
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Patent number: 7430267Abstract: The present invention relates to a multi-core fuel rod for research reactor and, more particularly, to a multi-core fuel rod for research reactor in which monolithic fuel cores made of uranium-molybdenum alloy are disposed in an aluminum matrix in a multi-core form. The multi-core fuel rod in accordance with the present invention provides a minimized contact surface area between nuclear fuel and aluminum, and reduces the formation of pores and swelling by restraining formation of reaction layer to avoid excessive reaction between the fuel and aluminum. Therefore, improved stability of nuclear fuel can be obtained by minimizing temperature rise as well as achieving high density and thermal conductivity of the fuel.Type: GrantFiled: March 28, 2005Date of Patent: September 30, 2008Assignees: Korea Atomic Energy Research Institute, Korea Hydro & Nuclear Power Co., Ltd.Inventors: Chul Gyo Seo, Ho Jin Ryu, Chang Kyu Kim, Yoon Sang Lee, Jong Man Park, Don Bae Lee, Seok Jin Oh
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Publication number: 20070036261Abstract: A plate-type nuclear fuel having regularly arranged coarse particles of a gamma-phase U—Mo or U—Mo—X alloy and a fabrication method thereof and, more particularly, to a plate-type nuclear fuel having coarse spherical particles of a stable gamma-phase U—Mo or U—Mo—X alloy arranged regularly on an aluminum cladding in at least one layer and a fabrication method thereof. Operation limit power, high temperature irradiation stability and performance are advantageously improved by preventing excessive reaction between a nuclear fuel and aluminum matrix through minimization of the area of interaction layers between the fuel and aluminum matrix, minimizing pores and swelling by restraining reaction layer formation of an intermetallic compound, and maintaining high thermal conductivity to transfer internal temperature of the nuclear fuel smoothly.Type: ApplicationFiled: November 8, 2005Publication date: February 15, 2007Inventors: Chang Kyu Kim, Eun Jung, Yoon Sang Lee, Ho Ryu
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Patent number: 6793005Abstract: Disclosed are a method and an apparatus for continuously casting a uranium rod so that impurities generated in melting the metallic substance reduced from nuclear spent fuel are easily removed, the molten metal is easily degassed, the oxidation of uranium is prevented, and the molten metal does not remain in a crucible, thereby completely removing the noxious gas, improving the safety of work, allowing the workers to be close to the apparatus, reducing the consumption rate of the inert gas, completely preventing the oxidation of uranium, and being remotely controlled.Type: GrantFiled: November 18, 2002Date of Patent: September 21, 2004Assignees: Korea Atomic Energy Research Institute, Korea Hydro & Nuclear Power Co., Ltd.Inventors: Yoon-Sang Lee, Chang-Kyu Kim, Ki-Hwan Kim, Se-Jung Jang, Young-Joon Shin, Seong-Won Park
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Publication number: 20030234096Abstract: Disclosed are a method and an apparatus for continuously casting a uranium rod so that impurities generated in melting the metallic substance reduced from nuclear spent fuel are easily removed, the molten metal is easily degassed, the oxidation of uranium is prevented, and the molten metal does not remain in a crucible, thereby completely removing the noxious gas, improving the safety of work, allowing the workers to be close to the apparatus, reducing the consumption rate of the inert gas, completely preventing the oxidation of uranium, and being remotely controlled.Type: ApplicationFiled: November 18, 2002Publication date: December 25, 2003Inventors: Yoon-Sang Lee, Chang-Kyu Kim, Ki-Hwan Kim, Se-Jung Jang, Young-Joon Shin, Seong-Won Park