Patents by Inventor Sae-Hoon Uhm

Sae-Hoon Uhm 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: 20250183815
    Abstract: A power supply includes an inverter configured to convert direct current (DC) power into alternating current (AC) power, an impedance matching circuit configured to supply the AC power to a load, and a controller configured to detect a delay time of an output voltage and an output current output to the impedance matching circuit and the load and to adjust a frequency of the output voltage according to the detected delay time.
    Type: Application
    Filed: February 4, 2025
    Publication date: June 5, 2025
    Inventors: Yeong-Hoon SOHN, Se-Hong PARK, Sae-Hoon UHM
  • Publication number: 20250104968
    Abstract: This invention is an antenna structure inducing plasma in a chamber with applied alternative power, comprising: a first antenna segment and a second antenna segment arranged based on a virtual central axis to have a first curvature radius and a second curvature radius respectively, the central axis crossing a first plane, and a first capacitive load electrically connecting the first antenna segment and the second antenna segment, wherein the first antenna segment extends from one end of the first capacitive load with the first curvature radius having a first length and the second antenna segment extends from other end of the first capacitive load with the second curvature radius having a second length, and wherein a sum of the first length and the second length is shorter than a circumference of the first curvature radius or the second curvature radius.
    Type: Application
    Filed: December 10, 2024
    Publication date: March 27, 2025
    Inventors: Sae Hoon UHM, Yun Seong LEE, Yeong Hoon SOHN, Se Hong PARK
  • Patent number: 12249925
    Abstract: A power supply includes an inverter configured to convert direct current (DC) power into alternating current (AC) power, an impedance matching circuit configured to supply the AC power to a load, and a controller configured to detect a delay time of an output voltage and an output current output to the impedance matching circuit and the load and to adjust a frequency of the output voltage according to the detected delay time.
    Type: Grant
    Filed: March 15, 2024
    Date of Patent: March 11, 2025
    Assignee: EN2CORE TECHNOLOGY, INC.
    Inventors: Yeong-Hoon Sohn, Se-Hong Park, Sae-Hoon Uhm
  • Patent number: 12249923
    Abstract: A power supply includes an inverter configured to convert direct current (DC) power into alternating current (AC) power, an impedance matching circuit configured to supply the AC power to a load, and a controller configured to detect a delay time of an output voltage and an output current output to the impedance matching circuit and the load and to adjust a frequency of the output voltage according to the detected delay time.
    Type: Grant
    Filed: January 11, 2022
    Date of Patent: March 11, 2025
    Assignee: EN2CORE TECHNOLOGY, INC.
    Inventors: Yeong-Hoon Sohn, Se-Hong Park, Sae-Hoon Uhm
  • Publication number: 20250047216
    Abstract: A power supply includes an inverter configured to direct current (DC) power into alternating current (AC) power, an impedance matching circuit configured to supply the AC power to a load; and a controller configured to adjust disposition of a powering period, in which the AC power is output, and a freewheeling period, in which the AC power is not output, to adjust a power amount of the power supplied to the load through the impedance matching circuit by the inverter.
    Type: Application
    Filed: October 25, 2024
    Publication date: February 6, 2025
    Inventors: Yeong-Hoon SOHN, Se-Hong PARK, Sae-Hoon UHM
  • Publication number: 20250046571
    Abstract: A plasma generating apparatus according to an embodiment of the present invention comprises: a pair of electrodes arranged in a dielectric discharge tube; an initial discharge induction coil module; and a main discharge induction coil module. The initial discharge induction coil module and the main discharge induction coil module are connected to an RF power source, and the RF power source provides RF power having different resonance frequencies to the initial discharge induction coil module and the main discharge induction coil module, respectively.
    Type: Application
    Filed: October 23, 2024
    Publication date: February 6, 2025
    Inventors: Sae Hoon UHM, Yun Seong LEE, Yeong Hoon SOHN, Se Hong PARK
  • Patent number: 12205794
    Abstract: This invention is an antenna structure inducing plasma in a chamber with applied alternative power, comprising: a first antenna segment and a second antenna segment arranged based on a virtual central axis to have a first curvature radius and a second curvature radius respectively, the central axis crossing a first plane, and a first capacitive load electrically connecting the first antenna segment and the second antenna segment, wherein the first antenna segment extends from one end of the first capacitive load with the first curvature radius having a first length and the second antenna segment extends from other end of the first capacitive load with the second curvature radius having a second length, and wherein a sum of the first length and the second length is shorter than a circumference of the first curvature radius or the second curvature radius.
    Type: Grant
    Filed: February 19, 2021
    Date of Patent: January 21, 2025
    Assignee: EN2CORE TECHNOLOGY INC.
    Inventors: Sae Hoon Uhm, Yun Seong Lee, Yeong Hoon Sohn, Se Hong Park
  • Patent number: 12159766
    Abstract: A plasma generating apparatus according to an embodiment of the present invention comprises: a pair of electrodes arranged in a dielectric discharge tube; an initial discharge induction coil module; and a main discharge induction coil module. The initial discharge induction coil module and the main discharge induction coil module are connected to an RF power source, and the RF power source provides RF power having different resonance frequencies to the initial discharge induction coil module and the main discharge induction coil module, respectively.
    Type: Grant
    Filed: September 12, 2023
    Date of Patent: December 3, 2024
    Assignee: EN2CORE TECHNOLOGY, INC.
    Inventors: Sae Hoon Uhm, Yun Seong Lee, Yeong Hoon Sohn, Se Hong Park
  • Patent number: 12155320
    Abstract: A power supply includes an inverter configured to direct current (DC) power into alternating current (AC) power, an impedance matching circuit configured to supply the AC power to a load; and a controller configured to adjust disposition of a powering period, in which the AC power is output, and a freewheeling period, in which the AC power is not output, to adjust a power amount of the power supplied to the load through the impedance matching circuit by the inverter.
    Type: Grant
    Filed: January 10, 2024
    Date of Patent: November 26, 2024
    Assignee: EN2CORE TECHNOLOGY, INC.
    Inventors: Yeong-Hoon Sohn, Se-Hong Park, Sae-Hoon Uhm
  • Publication number: 20240274406
    Abstract: According to one embodiment of the present disclosure, a semiconductor process system could be provided, the system comprising a substrate holder where a substrate is placed and an electrode is included, and a frequency generating device providing bias power to the electrode, wherein the frequency generating device provides the bias power of different patterns to the electrode in a first period for performing a main process on the substrate and a second period for performing an auxiliary process on the substrate, and wherein at least one of the first period or the second period is adjusted to be 30 microseconds or smaller.
    Type: Application
    Filed: May 2, 2022
    Publication date: August 15, 2024
    Inventors: Se Hong PARK, Yeonghoon SOHN, Dong JEGAL, Jihoon KIM, Sae Hoon UHM
  • Publication number: 20240223104
    Abstract: A power supply includes an inverter configured to convert direct current (DC) power into alternating current (AC) power, an impedance matching circuit configured to supply the AC power to a load, and a controller configured to detect a delay time of an output voltage and an output current output to the impedance matching circuit and the load and to adjust a frequency of the output voltage according to the detected delay time.
    Type: Application
    Filed: March 15, 2024
    Publication date: July 4, 2024
    Inventors: Yeong-Hoon SOHN, Se-Hong PARK, Sae-Hoon UHM
  • Publication number: 20240162004
    Abstract: An inductively-coupled plasma (ICP) generation system may include a dielectric tube, a first inductive coil structure to enclose the dielectric tube, an RF power supply, a first main capacitor between a positive output terminal of the RF power supply and one end of the first inductive coil structure, and a second main capacitor between a negative output terminal of the RF power supply and an opposite end of the first inductive coil structure. The first inductive coil structure may include inductive coils connected in series to each other and placed at different layers, the inductive coils having at least one turn at each layer, and auxiliary capacitors, which are respectively provided between adjacent ones of the inductive coils to distribute a voltage applied to the inductive coils.
    Type: Application
    Filed: January 19, 2024
    Publication date: May 16, 2024
    Inventors: Sae Hoon UHM, Yun Seong LEE
  • Publication number: 20240162006
    Abstract: According to one embodiment of the present disclosure, there can be provided a plasma processing system for multi-station, the system including a processing chamber including at least two or more stations, one plasma generator provided for each of the stations, one inverter provided for each of the plasma generators, a sensing unit configured to measure an electric characteristic of each of the plasma generators, and a controller configured to acquire sensing data from the sensing unit and control each of the inverters.
    Type: Application
    Filed: December 28, 2022
    Publication date: May 16, 2024
    Inventors: Sae Hoon UHM, Dong JEGAL, Yeonghoon SOHN, Gyueng Hyuen CHOE, Se Hong PARK, Jin HUH
  • Publication number: 20240146211
    Abstract: A power supply includes an inverter configured to direct current (DC) power into alternating current (AC) power, an impedance matching circuit configured to supply the AC power to a load; and a controller configured to adjust disposition of a powering period, in which the AC power is output, and a freewheeling period, in which the AC power is not output, to adjust a power amount of the power supplied to the load through the impedance matching circuit by the inverter.
    Type: Application
    Filed: January 10, 2024
    Publication date: May 2, 2024
    Inventors: Yeong-Hoon SOHN, Se-Hong PARK, Sae-Hoon UHM
  • Patent number: 11935725
    Abstract: An inductively-coupled plasma (ICP) generation system may include a dielectric tube, a first inductive coil structure to enclose the dielectric tube, an RF power supply, a first main capacitor between a positive output terminal of the RF power supply and one end of the first inductive coil structure, and a second main capacitor between a negative output terminal of the RF power supply and an opposite end of the first inductive coil structure. The first inductive coil structure may include inductive coils connected in series to each other and placed at different layers, the inductive coils having at least one turn at each layer, and auxiliary capacitors, which are respectively provided between adjacent ones of the inductive coils to distribute a voltage applied to the inductive coils.
    Type: Grant
    Filed: October 28, 2022
    Date of Patent: March 19, 2024
    Assignee: EN2CORE TECHNOLOGY INC.
    Inventors: Sae Hoon Uhm, Yun Seong Lee
  • Patent number: 11909331
    Abstract: A power supply includes an inverter configured to direct current (DC) power into alternating current (AC) power, an impedance matching circuit configured to supply the AC power to a load; and a controller configured to adjust disposition of a powering period, in which the AC power is output, and a freewheeling period, in which the AC power is not output, to adjust a power amount of the power supplied to the load through the impedance matching circuit by the inverter.
    Type: Grant
    Filed: March 17, 2023
    Date of Patent: February 20, 2024
    Assignee: EN2CORE TECHNOLOGY, INC.
    Inventors: Yeong-Hoon Sohn, Se-Hong Park, Sae-Hoon Uhm
  • Publication number: 20240006150
    Abstract: A plasma generating apparatus according to an embodiment of the present invention comprises: a pair of electrodes arranged in a dielectric discharge tube; an initial discharge induction coil module; and a main discharge induction coil module. The initial discharge induction coil module and the main discharge induction coil module are connected to an RF power source, and the RF power source provides RF power having different resonance frequencies to the initial discharge induction coil module and the main discharge induction coil module, respectively.
    Type: Application
    Filed: September 12, 2023
    Publication date: January 4, 2024
    Inventors: Sae Hoon UHM, Yun Seong LEE, Yeong Hoon SOHN, Se Hong PARK
  • Patent number: 11791133
    Abstract: A plasma generating apparatus according to an embodiment of the present invention comprises: a pair of electrodes arranged in a dielectric discharge tube; an initial discharge induction coil module; and a main discharge induction coil module. The initial discharge induction coil module and the main discharge induction coil module are connected to an RF power source, and the RF power source provides RF power having different resonance frequencies to the initial discharge induction coil module and the main discharge induction coil module, respectively.
    Type: Grant
    Filed: November 15, 2022
    Date of Patent: October 17, 2023
    Assignee: EN2CORE TECHNOLOGY, INC.
    Inventors: Sae Hoon Uhm, Yun Seong Lee, Yeong Hoon Sohn, Se Hong Park
  • Publication number: 20230318486
    Abstract: A power supply includes an inverter configured to convert direct current (DC) power into alternating current (AC) power, an impedance matching circuit configured to supply the AC power to a load, and a controller configured to detect a delay time of an output voltage and an output current output to the impedance matching circuit and the load and to adjust a frequency of the output voltage according to the detected delay time.
    Type: Application
    Filed: January 11, 2022
    Publication date: October 5, 2023
    Inventors: Yeong-Hoon SOHN, Se-Hong PARK, Sae-Hoon UHM
  • Publication number: 20230231497
    Abstract: A power supply includes an inverter configured to direct current (DC) power into alternating current (AC) power, an impedance matching circuit configured to supply the AC power to a load; and a controller configured to adjust disposition of a powering period, in which the AC power is output, and a freewheeling period, in which the AC power is not output, to adjust a power amount of the power supplied to the load through the impedance matching circuit by the inverter.
    Type: Application
    Filed: March 17, 2023
    Publication date: July 20, 2023
    Inventors: Yeong-Hoon SOHN, Se-Hong PARK, Sae-Hoon UHM