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).

  • Publication number: 20180012866
    Abstract: 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: Application
    Filed: February 16, 2017
    Publication date: January 11, 2018
    Inventors: Yong-won CHOI, Won-keun KIM, Myung-sung KANG, Gwang-sun SEO
  • Publication number: 20170365582
    Abstract: 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: Application
    Filed: January 9, 2017
    Publication date: December 21, 2017
    Inventors: Gwang Sun Seo, Myung Sung Kang, Won Keun Kim, Jin Woo Park, Yong Won Choi
  • Patent number: 9820701
    Abstract: 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: Grant
    Filed: November 17, 2015
    Date of Patent: November 21, 2017
    Assignee: LINKOPTICS CO., LTD.
    Inventors: Yong Won Choi, Hyo Gi Seo, Keum Yeon Choi, Joon Seok Lee
  • Publication number: 20170209960
    Abstract: 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: Application
    Filed: September 30, 2016
    Publication date: July 27, 2017
    Inventors: Kyoung Whan OH, Yeon Woo CHOI, In Hwan KIM, Won Ki PARK, Ho Youl LEE, Yong Won CHOI
  • Publication number: 20170178945
    Abstract: 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: Application
    Filed: November 10, 2016
    Publication date: June 22, 2017
    Applicant: SEMES CO. LTD.
    Inventors: Won-Guk SEO, Yong-Won CHOI, Sang-Jin LEE, Yong-Bum JUNG, Seok HEO
  • Patent number: 9657385
    Abstract: 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: Grant
    Filed: December 12, 2012
    Date of Patent: May 23, 2017
    Assignee: Corning Precision Materials Co., Ltd.
    Inventors: Yong Won Choi, Yung-Jin Jung, Hyun Bin Kim, Seulgi Bae
  • Publication number: 20160213338
    Abstract: 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: Application
    Filed: November 17, 2015
    Publication date: July 28, 2016
    Inventors: Yong Won CHOI, Hyo Gi SEO, Keum Yeon CHOI, Joon Seok LEE
  • Patent number: 9376541
    Abstract: 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: Grant
    Filed: May 28, 2014
    Date of Patent: June 28, 2016
    Assignee: 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
  • Patent number: 9146408
    Abstract: 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: Grant
    Filed: June 13, 2013
    Date of Patent: September 29, 2015
    Assignee: 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
  • Patent number: 9081057
    Abstract: 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: Grant
    Filed: October 18, 2012
    Date of Patent: July 14, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kwang Jun Kim, Tae Jun Sang, Hyun Sik Sim, Ki Hoon Nam, Yong Won Choi, Jong Hwi Seo
  • Publication number: 20150102485
    Abstract: 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: Application
    Filed: May 28, 2014
    Publication date: April 16, 2015
    Applicants: 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
  • Patent number: 8988758
    Abstract: 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: Grant
    Filed: June 25, 2013
    Date of Patent: March 24, 2015
    Assignee: Samsung Corning Precision Materials Co., Ltd.
    Inventors: Yong Won Choi, Yung-Jin Jung, Dong Gun Moon, Jee Yun Cha
  • Patent number: 8726796
    Abstract: 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: Grant
    Filed: July 1, 2010
    Date of Patent: May 20, 2014
    Assignee: Segos Co., Ltd.
    Inventors: Yoon Sig Park, Yong Won Choi, Duc Hoi Kim
  • Publication number: 20140002886
    Abstract: 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: Application
    Filed: June 25, 2013
    Publication date: January 2, 2014
    Inventors: Yong Won Choi, Yung-Jin Jung, Dong Gun Moon, Jee Yun Cha
  • Publication number: 20130335803
    Abstract: 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: Application
    Filed: June 13, 2013
    Publication date: December 19, 2013
    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
  • Patent number: 8424942
    Abstract: 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: Grant
    Filed: December 14, 2010
    Date of Patent: April 23, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hahn Park, Sung Wook Jung, Jae Chul Hwang, Yong Won Choi
  • Patent number: 8340571
    Abstract: 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: Grant
    Filed: May 21, 2008
    Date of Patent: December 25, 2012
    Assignee: KT Corporation
    Inventors: Yang-Kyu Jin, Jae-Kon Kim, Yong-Won Choi
  • Publication number: 20110148132
    Abstract: 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: Application
    Filed: December 14, 2010
    Publication date: June 23, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hahn Park, Sung Wook Jung, Jae Chul Hwang, Yong Won Choi
  • Publication number: 20110005405
    Abstract: 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: Application
    Filed: July 1, 2010
    Publication date: January 13, 2011
    Inventors: Yoon Sig PARK, Yong Won CHOI, Duc Hoi KIM
  • Patent number: 7741803
    Abstract: 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: Grant
    Filed: October 25, 2006
    Date of Patent: June 22, 2010
    Assignee: LG Electronics Inc.
    Inventors: Sang-Young Kim, Yong-Won Choi