Patents by Inventor Yong Won Choi
Yong Won Choi 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: 20180012866Abstract: A semiconductor package includes a first semiconductor chip including a first through-silicon via (TSV), a second semiconductor chip stacked on the first semiconductor chip and including a second TSV, and a non-conductive film formed between the first semiconductor chip and the second semiconductor chip. The non-conductive film includes two layers having different viscosities.Type: ApplicationFiled: February 16, 2017Publication date: January 11, 2018Inventors: Yong-won CHOI, Won-keun KIM, Myung-sung KANG, Gwang-sun SEO
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Publication number: 20170365582Abstract: A semiconductor package includes a substrate, a plurality of semiconductor chips stacked on the substrate, and a plurality of bonding layers bonded to lower surfaces of the plurality of semiconductor chips. The plurality of bonding layers may be divided into a plurality of groups, each having different physical properties depending on a distance from the substrate.Type: ApplicationFiled: January 9, 2017Publication date: December 21, 2017Inventors: Gwang Sun Seo, Myung Sung Kang, Won Keun Kim, Jin Woo Park, Yong Won Choi
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Patent number: 9820701Abstract: The present invention relates to an X-ray targeting device which includes a frame installed at an X-ray generator of an X-ray imaging device which outputs X-rays toward a patient to be measured, and a light radiation unit installed at the frame, and radiating guide light in accordance with a direction in which the X-rays are output to display a radiated position or radiated range of the X-rays with respect to the patient. According to the present invention, since an X-ray targeting device includes a light radiation unit radiating guide light in accordance with a radiated direction of X-rays, a worker can easily identify the radiated direction or the radiated range of the X-rays, thereby saving time and effort required for X-ray imaging.Type: GrantFiled: November 17, 2015Date of Patent: November 21, 2017Assignee: LINKOPTICS CO., LTD.Inventors: Yong Won Choi, Hyo Gi Seo, Keum Yeon Choi, Joon Seok Lee
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Publication number: 20170209960Abstract: A wafer cutting apparatus includes a stage to support a wafer, a cutter, and a sensor. The cutter irradiates the wafer with a beam in a first direction to cut the wafer. The sensor is spaced apart from the cutter in a second direction different from the first direction, and measures a spaced distance between the wafer and the cutter. The sensor measures the spaced distance between the wafer and the cutter along a second cutting line parallel to a first cutting line while the cutter cuts the wafer along the first cutting line on the wafer.Type: ApplicationFiled: September 30, 2016Publication date: July 27, 2017Inventors: Kyoung Whan OH, Yeon Woo CHOI, In Hwan KIM, Won Ki PARK, Ho Youl LEE, Yong Won CHOI
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Publication number: 20170178945Abstract: A substrate processing system includes an index module including wafer carriers. First and second heat processing units are disposed adjacent to the index module. Each of the first and second heat processing units includes a plurality of first heat processing plates sequentially stacked. First and second transfer robots are disposed adjacent to the first and second heat processing units, respectively. Each of the first and second transfer robots is movable along a vertical transfer path and to rotate. First and second coating units are disposed adjacent to first sides of the first and second transfer robots, respectively. Each of the first and second coating units includes a plurality of coating devices sequentially stacked. First and second bake units are disposed adjacent to second sides of the first and second transfer robots, respectively. Each of the first and second bake units includes a plurality of second heat processing plates sequentially stacked.Type: ApplicationFiled: November 10, 2016Publication date: June 22, 2017Applicant: SEMES CO. LTD.Inventors: Won-Guk SEO, Yong-Won CHOI, Sang-Jin LEE, Yong-Bum JUNG, Seok HEO
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Patent number: 9657385Abstract: A method of manufacturing a thermochromic substrate, with which transmittance can be increased. The method includes the steps of forming a first thin film as a coating on a base substrate, the refractive index of the first thin film being different from that of a VO2 thin film; forming a pre-thermochromic thin film by coating the first thin film with pure vanadium; forming a second thin film as a coating on the pre-thermochromic thin film, the refractive index of the second thin film being different from that of a VO2 thin film; and heat-treating a resultant stack that includes the base substrate, the first thin film, the pre-thermochromic thin film and the second thin film.Type: GrantFiled: December 12, 2012Date of Patent: May 23, 2017Assignee: Corning Precision Materials Co., Ltd.Inventors: Yong Won Choi, Yung-Jin Jung, Hyun Bin Kim, Seulgi Bae
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Publication number: 20160213338Abstract: The present invention relates to an X-ray targeting device which includes a frame installed at an X-ray generator of an X-ray imaging device which outputs X-rays toward a patient to be measured, and a light radiation unit installed at the frame, and radiating guide light in accordance with a direction in which the X-rays are output to display a radiated position or radiated range of the X-rays with respect to the patient. According to the present invention, since an X-ray targeting device includes a light radiation unit radiating guide light in accordance with a radiated direction of X-rays, a worker can easily identify the radiated direction or the radiated range of the X-rays, thereby saving time and effort required for X-ray imaging.Type: ApplicationFiled: November 17, 2015Publication date: July 28, 2016Inventors: Yong Won CHOI, Hyo Gi SEO, Keum Yeon CHOI, Joon Seok LEE
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Patent number: 9376541Abstract: A non-conductive material layer, selected from a non-conductive film and a non-conductive polymer paste, and containing a dispersion of zinc (Zn) particles is disclosed, together with semiconductor packages including the non-conductive material layer. The non-conductive material layer contains zinc (Zn) particles having an average particle diameter of about 1 nm to about 200 nm in a non-conductive polymer base material of a film type, and a semiconductor package includes the non-conductive film. By using the non-conductive film and/or the non-conductive paste containing the zinc dispersion, e a semiconductor package having excellent electric connection properties and high reliability may be manufactured through simple processes at low manufacturing costs.Type: GrantFiled: May 28, 2014Date of Patent: June 28, 2016Assignee: Samsung Electronics Co., Ltd.Inventors: Un-byoung Kang, Kyung-wook Paik, Tae-Je Cho, Young-kun Jee, Sun-kyoung Seo, Yong-won Choi, Ji-won Shin
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Patent number: 9146408Abstract: A thermochromic window that can effectively insulate heat when warming is conducted in winter. The thermochromic window that includes a substrate, a thermochromic thin film formed on the substrate, and a transparent conductive film formed on at least one surface of the upper surface and the undersurface of the thermochromic thin film. The emissivity of the transparent conductive film is lower than the emissivity of the thermochromic thin film.Type: GrantFiled: June 13, 2013Date of Patent: September 29, 2015Assignee: Corning Precision Materials Co., Ltd.Inventors: Seulgi Bae, Sang-Ryoun Ryu, Chang Gyu Kim, Hyun Bin Kim, Dong-Gun Moon, Young Soo Jung, Yung-Jin Jung, Jee Yun Cha, Yong Won Choi
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Patent number: 9081057Abstract: A probe card handling carriage is applicable to various working environments. The probe card handling carriage includes a main body provided to be travelable on the ground, a drawer unit provided to be movable in a forward and backward direction with respect to the main body, and a transfer robot installed on the drawer unit to transfer a probe card.Type: GrantFiled: October 18, 2012Date of Patent: July 14, 2015Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kwang Jun Kim, Tae Jun Sang, Hyun Sik Sim, Ki Hoon Nam, Yong Won Choi, Jong Hwi Seo
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Publication number: 20150102485Abstract: A non-conductive material layer, selected from a non-conductive film and a non-conductive polymer paste, and containing a dispersion of zinc (Zn) particles is disclosed, together with semiconductor packages including the non-conductive material layer. The non-conductive material layer contains zinc (Zn) particles having an average particle diameter of about 1 nm to about 200 nm in a non-conductive polymer base material of a film type, and a semiconductor package includes the non-conductive film. By using the non-conductive film and/or the non-conductive paste containing the zinc dispersion, e a semiconductor package having excellent electric connection properties and high reliability may be manufactured through simple processes at low manufacturing costs.Type: ApplicationFiled: May 28, 2014Publication date: April 16, 2015Applicants: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY, Samsung Electronics Co., Ltd.Inventors: Un-byoung Kang, Kyung-wook Paik, Tae-Je Cho, Young-kun Jee, Sun-kyoung Seo, Yong-won Choi, Ji-won Shin
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Patent number: 8988758Abstract: A thermochromic window doped with a dopant and a method of manufacturing the same. The thermochromic window includes a substrate and a thermochromic thin film formed on the substrate. The thermochromic thin film has a thermochromic material doped with a dopant, the concentration of the dopant gradually decreasing in a depth direction from one surface of the upper surface and the undersurface of the thermochromic thin film. The thermochromic window has a high level of visible light transmittance and high phase change efficiency while having a low phase transition temperature.Type: GrantFiled: June 25, 2013Date of Patent: March 24, 2015Assignee: Samsung Corning Precision Materials Co., Ltd.Inventors: Yong Won Choi, Yung-Jin Jung, Dong Gun Moon, Jee Yun Cha
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Patent number: 8726796Abstract: Provided is a sliding grill fixing apparatus, which is installed on a sliding grill. The sliding grill fixing apparatus includes an actuating lever that runs across a sliding grill in a horizontal direction between opposite inner faces of the sliders and has a grip in the middle thereof, actuating legs that protrude downward from opposite ends of the actuating lever, actuating hinges that are disposed between the actuating legs and the opposite inner faces of the sliders in a horizontal direction, driving brackets that are moved in one direction by rotation of the actuating legs, actuating brackets that move together with the driving brackets to be inserted into the fixing recesses, and fixing hinges, each of which is disposed between each actuating bracket and the outer face of each slider and is hinged to the outer face of each slider such that each actuating bracket can rotate.Type: GrantFiled: July 1, 2010Date of Patent: May 20, 2014Assignee: Segos Co., Ltd.Inventors: Yoon Sig Park, Yong Won Choi, Duc Hoi Kim
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Publication number: 20140002886Abstract: A thermochromic window doped with a dopant and a method of manufacturing the same. The thermochromic window includes a substrate and a thermochromic thin film formed on the substrate. The thermochromic thin film has a thermochromic material doped with a dopant, the concentration of the dopant gradually decreasing in a depth direction from one surface of the upper surface and the undersurface of the thermochromic thin film. The thermochromic window has a high level of visible light transmittance and high phase change efficiency while having a low phase transition temperature.Type: ApplicationFiled: June 25, 2013Publication date: January 2, 2014Inventors: Yong Won Choi, Yung-Jin Jung, Dong Gun Moon, Jee Yun Cha
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Publication number: 20130335803Abstract: A thermochromic window that can effectively insulate heat when warming is conducted in winter. The thermochromic window that includes a substrate, a thermochromic thin film formed on the substrate, and a transparent conductive film formed on at least one surface of the upper surface and the undersurface of the thermochromic thin film. The emissivity of the transparent conductive film is lower than the emissivity of the thermochromic thin film.Type: ApplicationFiled: June 13, 2013Publication date: December 19, 2013Inventors: Seulgi Bae, Sang-Ryoun Ryu, Chang Gyu Kim, Hyun Bin Kim, Dong-Gun Moon, Young Soo Jung, Yung-Jin Jung, Jee Yun Cha, Yong Won Choi
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Patent number: 8424942Abstract: An industrial gripper includes a base plate, at least three finger units to be moved relative to the base plate, a supporting unit to support the finger units, a first drive unit coupled to the supporting unit to allow simultaneous angular displacement of the finger units toward an object, and a second drive unit coupled to the supporting unit to adjust orientation angles between the finger units. Each of the finger units includes an intermediation member to be moved in a first direction by the first drive unit, a grip member to grip the object by being moved in a second direction different from the first direction as a movement direction of the intermediation member, and a connection member to convert the first direction movement of the intermediation member into the second direction movement of the grip member.Type: GrantFiled: December 14, 2010Date of Patent: April 23, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Hahn Park, Sung Wook Jung, Jae Chul Hwang, Yong Won Choi
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Patent number: 8340571Abstract: A repeater, a remote management system of a repeater and a method arc provided for variably attenuating an input signal. A repeater relays at least one frequency band signal between a base station and a service side, includes at least one variable attenuator for variably attenuating each of at least one frequency band signal, variably attenuates an input signal that is received from the base station through the variable attenuator, and transfers the input signal to the service side. Further, a remote management system of the repeater communicates through the repeater and a mobile communication network and includes a repeater management server for requesting to change an attenuation value of the variable attenuator to the repeater when the input signal is an excess input signal.Type: GrantFiled: May 21, 2008Date of Patent: December 25, 2012Assignee: KT CorporationInventors: Yang-Kyu Jin, Jae-Kon Kim, Yong-Won Choi
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Publication number: 20110148132Abstract: An industrial gripper includes a base plate, at least three finger units to be moved relative to the base plate, a supporting unit to support the finger units, a first drive unit coupled to the supporting unit to allow simultaneous angular displacement of the finger units toward an object, and a second drive unit coupled to the supporting unit to adjust orientation angles between the finger units. Each of the finger units includes an intermediation member to be moved in a first direction by the first drive unit, a grip member to grip the object by being moved in a second direction different from the first direction as a movement direction of the intermediation member, and a connection member to convert the first direction movement of the intermediation member into the second direction movement of the grip member.Type: ApplicationFiled: December 14, 2010Publication date: June 23, 2011Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hahn Park, Sung Wook Jung, Jae Chul Hwang, Yong Won Choi
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Publication number: 20110005405Abstract: Provided is a sliding grill fixing apparatus, which is installed on a sliding grill. The sliding grill fixing apparatus includes an actuating lever that runs across a sliding grill in a horizontal direction between opposite inner faces of the sliders and has a grip in the middle thereof, actuating legs that protrude downward from opposite ends of the actuating lever, actuating hinges that are disposed between the actuating legs and the opposite inner faces of the sliders in a horizontal direction, driving brackets that are moved in one direction by rotation of the actuating legs, actuating brackets that move together with the driving brackets to be inserted into the fixing recesses, and fixing hinges, each of which is disposed between each actuating bracket and the outer face of each slider and is hinged to the outer face of each slider such that each actuating bracket can rotate.Type: ApplicationFiled: July 1, 2010Publication date: January 13, 2011Inventors: Yoon Sig PARK, Yong Won CHOI, Duc Hoi KIM
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Patent number: 7741803Abstract: Disclosed is an apparatus and method for driving a 2-phase SRM capable of individually performing an initial driving by an initializing sensor and a normal driving by a driving sensor, and capable of controlling a rotation speed of the SRM by delaying a phase signal by a half period and then generating a pulse width modulation signal based on the period. The apparatus comprises: a driving sensor which detects a position of a rotor thus to generate a driving sensor signal based on a result of the detection; a microprocessor which generates a 1-phase signal and a 2-phase signal based on a rising time and a falling time of the driving sensor signal at the time of a normal driving; an oscillator which generates first and second pulse width modulation signals delayed by a preset time; and a multiplying unit which multiplies the 1-phase and 2-phase signals with the first and second pulse width modulation signals, and generates 1-phase and 2-phase driving signals based on a result of the multiplication.Type: GrantFiled: October 25, 2006Date of Patent: June 22, 2010Assignee: LG Electronics Inc.Inventors: Sang-Young Kim, Yong-Won Choi