Patents by Inventor Jae-hyuck Yoo

Jae-hyuck Yoo 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).

  • Patent number: 11865636
    Abstract: The present disclosure relates to a system for laser processing of a ceramic electrolyte material. The system may include a controller, a laser responsive to the controller for generating a beam, and a beam forming subsystem. The beam forming subsystem controls a parameter of the beam generated by the laser. The beam forming subsystem further controls the beam to provide a laser fluence sufficient to produce densification of the ceramic electrolyte material.
    Type: Grant
    Filed: February 6, 2020
    Date of Patent: January 9, 2024
    Assignee: Lawrence Livermore National Security, LLC
    Inventors: Jianchao Ye, John Roehling, Jae Hyuck Yoo
  • Publication number: 20230241718
    Abstract: The present disclosure relates a method for forming a second material from a first material. The method involves providing a first material having a surface, and irradiating the surface with a heating beam. The surface is also exposed to a flow of reactant while the surface is being heated with the heating beam. This transforms at least a portion of the surface into a second, transformed material different from the first material.
    Type: Application
    Filed: January 31, 2022
    Publication date: August 3, 2023
    Applicant: Lawrence Livermore National Security, LLC
    Inventors: Jae Hyuck YOO, Eyal FEIGENBAUM
  • Patent number: 11624710
    Abstract: An optical inspection system for detecting sub-micron features on a sample component. The system may have a controller, a camera responsive to the controller for capturing images, an objective lens able to capture submicron scale features on the sample component, and a pulsed light source. The pulsed light source may be used to generate light pulses. The camera may be controlled to acquire images, using the objective lens, only while the pulsed light source is providing light pulses illuminating a portion of the sample component. Relative movement between the sample component and the objective lens is provided to enable at least one of a desired subportion or an entirety of the sample component to be scanned with the camera.
    Type: Grant
    Filed: May 24, 2019
    Date of Patent: April 11, 2023
    Assignee: Lawrence Livermore National Security, LLC
    Inventors: Jae Hyuck Yoo, Eyal Feigenbaum, Manyalibo Joseph Matthews
  • Patent number: 11525945
    Abstract: A system and method is disclosed for forming a graded index (GRIN) on a substrate. In one implementation the method may involve applying a metal layer to the substrate. A fluence profile of optical energy applied to the metal layer may be controlled to substantially ablate the metal layer to create a vaporized metal layer. The fluence profile may be further controlled to control a size of metal nanoparticles created from the vaporized metal layer as the vaporized metal layer condenses and forms metal nanoparticles, the metal nanoparticles being deposited back on the substrate to form a GRIN surface on the substrate.
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: December 13, 2022
    Assignee: Lawrence Livermore National Security, LLC
    Inventors: Jae Hyuck Yoo, Eyal Feigenbaum
  • Patent number: 11294103
    Abstract: A method and system is disclosed for creating an optical component having a spatially controlled refractive index and uniform anti-reflective layer. The method may involve alternately depositing and dewetting two or more thin metal material layers on the substrate to form a mask having a spatially varying nano-particle distribution, and with an increased thickness beyond what could be achieved using a single, thick layer of the same material. The substrate may then be etched, using the mask, to imprint a spatially patterned nanostructure pattern on a surface the substrate in accordance with the mask.
    Type: Grant
    Filed: May 15, 2020
    Date of Patent: April 5, 2022
    Assignee: Lawrence Livermore National Security, LLC
    Inventors: Eyal Feigenbaum, Nathan James Ray, Jae Hyuck Yoo
  • Patent number: 11198196
    Abstract: The present disclosure relates to a method of modifying a surface of a material, in situ, while the material is being used to at least one of form or modify a portion of a part to remove flaws layer-by-layer and improve a part from a layerwise built, or a coating. The method may involve generating first, second and third beams. The third beam may act on a surface of a material to heat a portion of the surface of the material into a flowable state to thus modify a surface characteristic of the material. The first beam may control an optically addressable light valve (OALV) which modifies an energy of the third beam. The second beam may control an optically addressable electric field modulator (OAEFM) to generate an electric field in a vicinity of the surface and to influence a movement of the portion of material while the portion of material is in the flowable state. The beams are modulated based on a sensing element feedback loop.
    Type: Grant
    Filed: March 21, 2018
    Date of Patent: December 14, 2021
    Assignee: Lawrence Livermore National Security, LLC
    Inventors: Selim Elhadj, Jae Hyuck Yoo
  • Publication number: 20210356626
    Abstract: A method and system is disclosed for creating an optical component having a spatially controlled refractive index and uniform anti-reflective layer. The method may involve alternately depositing and dewetting two or more thin metal material layers on the substrate to form a mask having a spatially varying nano-particle distribution, and with an increased thickness beyond what could be achieved using a single, thick layer of the same material. The substrate may then be etched, using the mask, to imprint a spatially patterned nanostructure pattern on a surface the substrate in accordance with the mask.
    Type: Application
    Filed: May 15, 2020
    Publication date: November 18, 2021
    Applicant: Lawrence Livermore National Security, LLC
    Inventors: Eyal FEIGENBAUM, Nathan James RAY, Jae Hyuck YOO
  • Publication number: 20210245296
    Abstract: The present disclosure relates to a system for laser processing of a ceramic electrolyte material. The system may include a controller, a laser responsive to the controller for generating a beam, and a beam forming subsystem. The beam forming subsystem controls a parameter of the beam generated by the laser. The beam forming subsystem further controls the beam to provide a laser fluence sufficient to produce densification of the ceramic electrolyte material.
    Type: Application
    Filed: February 6, 2020
    Publication date: August 12, 2021
    Inventors: Jianchao YE, John ROEHLING, Jae Hyuck YOO
  • Publication number: 20200371044
    Abstract: An optical inspection system for detecting sub-micron features on a sample component. The system may have a controller, a camera responsive to the controller for capturing images, an objective lens able to capture submicron scale features on the sample component, and a pulsed light source. The pulsed light source may be used to generate light pulses. The camera may be controlled to acquire images, using the objective lens, only while the pulsed light source is providing light pulses illuminating a portion of the sample component. Relative movement between the sample component and the objective lens is provided to enable at least one of a desired subportion or an entirety of the sample component to be scanned with the camera.
    Type: Application
    Filed: May 24, 2019
    Publication date: November 26, 2020
    Inventors: Jae Hyuck Yoo, Eyal FEIGENBAUM, Manyalibo Joseph MATTHEWS
  • Publication number: 20190391298
    Abstract: A system and method is disclosed for forming a graded index (GRIN) on a substrate. In one implementation the method may involve applying a metal layer to the substrate. A fluence profile of optical energy applied to the metal layer may be controlled to substantially ablate the metal layer to create a vaporized metal layer. The fluence profile may be further controlled to control a size of metal nanoparticles created from the vaporized metal layer as the vaporized metal layer condenses and forms metal nanoparticles, the metal nanoparticles being deposited back on the substrate to form a GRIN surface on the substrate.
    Type: Application
    Filed: June 22, 2018
    Publication date: December 26, 2019
    Inventors: Jae Hyuck YOO, Eyal FEIGENBAUM
  • Publication number: 20190291210
    Abstract: The present disclosure relates to a method of modifying a surface of a material, in situ, while the material is being used to at least one of form or modify a portion of a part to remove flaws layer-by-layer and improve a part from a layerwise built, or a coating. The method may involve generating first, second and third beams. The third beam may act on a surface of a material to heat a portion of the surface of the material into a flowable state to thus modify a surface characteristic of the material. The first beam may control an optically addressable light valve (OALV) which modifies an energy of the third beam. The second beam may control an optically addressable electric field modulator (OAEFM) to generate an electric field in a vicinity of the surface and to influence a movement of the portion of material while the portion of material is in the flowable state. The beams are modulated based on a sensing element feedback loop.
    Type: Application
    Filed: March 21, 2018
    Publication date: September 26, 2019
    Inventors: Selim ELHADJ, Jae Hyuck YOO
  • Patent number: 7809878
    Abstract: Provided are an apparatus and method for controlling a flash memory, more particularly, an apparatus and method for controlling flash memory that updates control information of a flash memory stored in a predetermined volatile memory when the type of flash memory is changed and controls the changed flash memory using the updated control information. The apparatus includes a flash memory storing its own control information, a first memory storing a programming code for controlling the flash memory, a control unit generating a control code for controlling the flash memory by assigning the control information to the programming code, and a transceiver transmitting the control code.
    Type: Grant
    Filed: January 23, 2007
    Date of Patent: October 5, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae-hyuck Yoo, Song-ho Yoon
  • Patent number: 7573754
    Abstract: A nonvolatile memory including a memory cell that stores data in a plurality of pages included in a block according to a voltage applied to a memory cell is provided. The nonvolatile memory includes a block that includes a first page including first data that stores data recorded by a user, and a second page including second data area that stores data recorded by a user, wherein the second page records count-information on states represented by a bit pair in the same position of the first data area and the second data area.
    Type: Grant
    Filed: March 23, 2007
    Date of Patent: August 11, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jin-kyu Kim, Song-ho Yoon, Nam-yoon Woo, Jae-hyuck Yoo
  • Publication number: 20070297265
    Abstract: A nonvolatile memory including a memory cell that stores data in a plurality of pages included in a block according to a voltage applied to a memory cell is provided. The nonvolatile memory includes a block that includes a first page including first data that stores data recorded by a user, and a second page including second data area that stores data recorded by a user, wherein the second page records count-information on states represented by a bit pair in the same position of the first data area and the second data area.
    Type: Application
    Filed: March 23, 2007
    Publication date: December 27, 2007
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jin-kyu Kim, Song-ho Yoon, Nam-yoon Woo, Jae-hyuck Yoo
  • Publication number: 20070198767
    Abstract: Provided are an apparatus and method for controlling a flash memory, more particularly, an apparatus and method for controlling flash memory that updates control information of a flash memory stored in a predetermined volatile memory when the type of flash memory is changed and controls the changed flash memory using the updated control information. The apparatus includes a flash memory storing its own control information, a first memory storing a programming code for controlling the flash memory, a control unit generating a control code for controlling the flash memory by assigning the control information to the programming code, and a transceiver transmitting the control code.
    Type: Application
    Filed: January 23, 2007
    Publication date: August 23, 2007
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae-hyuck Yoo, Song-ho Yoon