Patents by Inventor Dong JEGAL

Dong JEGAL 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: 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: 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