Patents by Inventor Yoon Seok Choi

Yoon Seok 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: 20250140534
    Abstract: Disclosed are a substrate processing apparatus and a substrate processing method. The substrate processing apparatus includes a chamber including a processing space defined therein, a substrate support unit configured to support a substrate in the processing space, a microwave unit configured to supply microwaves to the processing space, a window member disposed below the microwave unit and configured to transmit the microwaves supplied from the microwave unit, a heat transfer plate disposed in the processing space so as to be spaced a predetermined distance from the window member and configured to be heated by the microwaves supplied to the processing space and to transfer heat to the substrate, and a controller configured to control the microwave unit.
    Type: Application
    Filed: September 5, 2024
    Publication date: May 1, 2025
    Applicant: SEMES CO., LTD.
    Inventors: Young Seo AN, Sang Man PARK, Han Lim KANG, In Hoe KIM, Yoon Seok CHOI, Sung Suk WI, Tae Hun KANG
  • Patent number: 12255050
    Abstract: The inventive concept provides an antenna member. In an embodiment, the antenna member includes a first coil and a second coil which have a rotational symmetry to each other, and wherein the first coil includes a first supply terminal applied with a current and a first ground terminal connected to the ground, the second coil includes a second supply terminal applied with the current and a second ground terminal connected to the ground, and wherein the first coil and the second coil each include a first portion having an arc-shape and a second portion having an arc-shape which as a whole form one winding, and when seen from a side, the second portion has a relatively lower height than the first portion, and the second portion of the second coil is positioned below the first portion of the first coil, and the second portion of the first coil is positioned below the first portion of the second coil.
    Type: Grant
    Filed: October 18, 2022
    Date of Patent: March 18, 2025
    Assignee: Semes Co., Ltd.
    Inventors: Yoon Seok Choi, Yun Sang Kim, Sun Wook Jung
  • Patent number: 12241384
    Abstract: A rotor blade system. The rotor blade system includes a rotor and a plurality of blades coupled to the rotor. The plurality of blades are arranged in an airfoil distribution pattern. The airfoil distribution pattern includes one or more baseline blades and one or more intentionally mistuned blades including an intentional mistuning feature.
    Type: Grant
    Filed: April 4, 2024
    Date of Patent: March 4, 2025
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: Wei-Min Ren, Letian Wang, Kevin E. Turner, Yoon Seok Choi
  • Publication number: 20250052160
    Abstract: A rotor blade system for a turbine engine having a longitudinal centerline axis. The rotor blade system includes a rotor configured to rotate about the longitudinal centerline axis and a plurality of rotor blades coupled circumferentially around the rotor, each rotor blade having a leading edge, a trailing edge, a suction side, and a pressure side. At least one rotor blade of the plurality of rotor blades has an axial sweep of both the leading edge and the trailing edge as compared to a base blade of the plurality of rotor blades.
    Type: Application
    Filed: August 10, 2023
    Publication date: February 13, 2025
    Inventors: Keegan Nathaniel Mehrtens, Yoon Seok Choi, Ramakrishna Mallina, Robert Bruce Dickman
  • Publication number: 20240339299
    Abstract: Proposed are a microwave antenna, and a power supplying device and a substrate processing apparatus including the same, which ensure efficient placement of components while effectively applying power to a plasma chamber. The microwave antenna includes a ring frame, and a plurality of slots provided on an inner wall of the ring frame.
    Type: Application
    Filed: March 17, 2024
    Publication date: October 10, 2024
    Applicant: SEMES CO., LTD.
    Inventors: Yoon Seok CHOI, Sun Wook JUNG, Youn Gun BONG
  • Patent number: 12112128
    Abstract: The present invention relates to a method of generating a word embedding library, including: receiving, by a processor, original text composed of Hangul through an input interface; segmenting, by the processor, the original text by morpheme, combining segmented morphemes step by step according to a preset rule, and matching a tag to a combination of step-by-step morphemes according to a morphological attribute or a syntactic attribute of the combination of step-by-step morphemes; and generating, by the processor, a word embedding library by classifying the morphemes included in the original text based on the tag matched to the combination of step-by-step morphemes.
    Type: Grant
    Filed: September 28, 2022
    Date of Patent: October 8, 2024
    Assignee: KOREA ELECTRIC POWER CORPORATION
    Inventors: Sung Min Kim, Hye Won Lim, Yoon Bo Shim, Yui Ha, Yoon Seok Choi
  • Publication number: 20240271534
    Abstract: A rotor blade system. The rotor blade system includes a rotor and a plurality of blades coupled to the rotor. The plurality of blades are arranged in an airfoil distribution pattern. The airfoil distribution pattern includes one or more baseline blades and one or more intentionally mistuned blades including an intentional mistuning feature.
    Type: Application
    Filed: April 4, 2024
    Publication date: August 15, 2024
    Inventors: Wei-Min Ren, Letian Wang, Kevin E. Turner, Yoon Seok Choi
  • Publication number: 20240212995
    Abstract: The inventive concept provides a substrate treating apparatus. The substrate treating apparatus includes a chamber having a treating space; a support unit configured to support a substrate in the treating space; a window plate positioned above the treating space; and a conductive layer formed on the window plate, and wherein a bottom surface of the window plate is exposed to the treating space, and the conductive layer is formed on a top surface among a top surface and a bottom surface of the window plate.
    Type: Application
    Filed: December 20, 2023
    Publication date: June 27, 2024
    Applicant: SEMES CO., LTD.
    Inventors: Yoon Seok CHOI, Yun Sang KIM, Sang Jeong LEE, Jae Won SHIN, Jong Won PARK
  • Publication number: 20240203704
    Abstract: The inventive concept provides a substrate treating apparatus. The substrate treating apparatus includes an ion blocker dividing the inner space into a first space at a bottom side and a second space at a top side; a support unit configured to support a substrate at the first space; and a plasma source generating a plasma at the inner space, and wherein a plurality of passages are formed at the ion blocker for flowing a fluid from the second space to the first space, and the ion blocker is made of a dielectric substance, and an ion among an ion and a radical included in the plasma is captured while passing through the passage.
    Type: Application
    Filed: December 1, 2023
    Publication date: June 20, 2024
    Applicant: SEMES CO., LTD.
    Inventors: Yoon Seok CHOI, Yun Sang KIM, Han Lim KANG, Hyun Woo JO, Sang Jeong LEE, Youn Gun BONG
  • Publication number: 20240203690
    Abstract: Proposed is a substrate treatment apparatus and a plasma density control method, and relates to a technology of controlling non-uniformity of plasma density in a substrate treatment process using plasma so that a plasma sheath is adjusted, thereby precisely controlling the substrate treatment process.
    Type: Application
    Filed: December 14, 2023
    Publication date: June 20, 2024
    Applicant: SEMES CO., LTD.
    Inventors: Hyoung Kyu SON, Sang Hyun PARK, Yun Sang KIM, Yoon Seok CHOI, Ju Yong JANG
  • Publication number: 20240206027
    Abstract: A thermal processing apparatus using microwaves and a method of operating the same are proposed. Provided is the thermal processing apparatus and an operation method thereof capable of converting a mode of the microwaves emitted into a processing space without changing equipment design. The thermal processing apparatus using microwaves includes a chamber configured to form the thermal processing space for a substrate and have an inner wall to which an electrophoresis film attached, a substrate support unit positioned on a lower part of the thermal processing space and supporting the substrate, a microwave unit positioned on an upper part of the thermal processing space and forming an electromagnetic field generated by the microwaves in the thermal processing space, and a controller for controlling the electrophoretic film so as to control movement paths of the microwaves on the basis of a process condition and a size of the substrate.
    Type: Application
    Filed: December 13, 2023
    Publication date: June 20, 2024
    Applicant: SEMES CO., LTD.
    Inventors: Han Lim KANG, Yoon Seok CHOI, Sung Suk WI
  • Publication number: 20240177971
    Abstract: Provided is a matching network module including a plurality of housings individualized to reduce cross radio frequency (RF) interference, a plurality of matching networks respectively mounted in the plurality of housings to separately perform impedance matching between a plurality of RF generators and a plasma chamber, and a common output rod connecting output terminals of the plurality of matching networks to each other.
    Type: Application
    Filed: November 13, 2023
    Publication date: May 30, 2024
    Inventors: Sung Suk WI, Yoon Seok CHOI, Hanlim KANG
  • Patent number: 11959395
    Abstract: A rotor blade system. The rotor blade system includes a rotor and a plurality of blades coupled to the rotor. The plurality of blades are arranged in an airfoil distribution pattern. The airfoil distribution pattern includes one or more baseline blades and one or more intentionally mistuned blades including an intentional mistuning feature.
    Type: Grant
    Filed: May 3, 2022
    Date of Patent: April 16, 2024
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: Wei-Min Ren, Letian Wang, Kevin E. Turner, Yoon Seok Choi
  • Publication number: 20240107639
    Abstract: An embodiment of the present disclosure provides a thermal processing apparatus and an operation method thereof capable of controlling a heat distribution of a substrate at a low cost in a thermal processing process using a microwave. According to the present disclosure, a thermal processing apparatus includes a chamber that forms a thermal processing space of a substrate, a substrate support unit that is located at a lower portion of the thermal processing space and supports the substrate, and a microwave unit that is located at an upper portion of the thermal processing space and forms an electromagnetic field by the microwave in the thermal processing space.
    Type: Application
    Filed: May 31, 2023
    Publication date: March 28, 2024
    Applicant: SEMES CO., LTD.
    Inventors: Han Lim KANG, Yoon Seok CHOI, Yun Sang KIM, Hyun Woo JO, Sang Jeong LEE
  • Publication number: 20240104300
    Abstract: The present invention relates to a method of generating a word embedding library, including: receiving, by a processor, original text composed of Hangul through an input interface; segmenting, by the processor, the original text by morpheme, combining segmented morphemes step by step according to a preset rule, and matching a tag to a combination of step-by-step morphemes according to a morphological attribute or a syntactic attribute of the combination of step-by-step morphemes; and generating, by the processor, a word embedding library by classifying the morphemes included in the original text based on the tag matched to the combination of step-by-step morphemes.
    Type: Application
    Filed: September 28, 2022
    Publication date: March 28, 2024
    Inventors: Sung Min KIM, Hye Won LIM, Yoon Bo SHIM, Yui HA, Yoon Seok CHOI
  • Publication number: 20230411117
    Abstract: An antenna member includes a first coil and a second coil that are rotationally symmetrical with each other, wherein the first coil includes a first supply terminal to which current is applied, a first ground terminal connected to a ground, and a first shunt capacitor shunted between the first supply terminal and the first ground terminal, the second coil includes a second supply terminal to which current is applied, a second ground terminal connected to the ground, and a second shunt capacitor shunted between the second supply terminal and the second ground terminal, the first coil includes an arc-shaped first portion and an arc-shaped second portion, and the first portion and the second portion form a one-turn winding as a whole, the second coil includes an arc-shaped first portion and an arc-shaped second portion, and the first portion and the second portion form a one-turn winding as a whole, the second portion has a height lower than a height of the first portion, the second portion of the second coil is
    Type: Application
    Filed: January 14, 2023
    Publication date: December 21, 2023
    Inventors: Yoon Seok CHOI, Sang Jeong LEE, Jae Won SHIN, Hyun Woo JO, Jong Won PARK
  • Publication number: 20230369021
    Abstract: A substrate treating apparatus is provided to provide heating and plasma treatment of a substrate in a single device, and the substrate treating apparatus includes a treatment container in which a substrate is accommodated, a support member supporting the substrate in the treatment container, a plasma providing unit including an electrode generating plasma within the treatment container, and a microwave introducing unit connected to a microwave generating unit and introducing microwaves into the treatment container.
    Type: Application
    Filed: April 18, 2023
    Publication date: November 16, 2023
    Inventors: Yoon Seok Choi, Yun Sang Kim, Youn Gun Bong, Jae Won Shin, Jong Won Park
  • Publication number: 20230358140
    Abstract: A rotor blade system. The rotor blade system includes a rotor and a plurality of blades coupled to the rotor. The plurality of blades are arranged in an airfoil distribution pattern. The airfoil distribution pattern includes one or more baseline blades and one or more intentionally mistuned blades including an intentional mistuning feature.
    Type: Application
    Filed: May 3, 2022
    Publication date: November 9, 2023
    Inventors: Wei-Min Ren, Letian Wang, Kevin E. Turner, Yoon Seok Choi
  • Publication number: 20230215706
    Abstract: The inventive concept provides a substrate support unit. The substrate support unit includes a susceptor supporting the substrate and having a pinhole formed vertically; and a lift pin unit configured to load and unload the substrate on the susceptor, and wherein the lift pin unit includes: a lift pin vertically movable along the pinhole; a support vertically movable by a driving unit; a pin holder connecting the support and the lift pin, and wherein the lift pin is pivotably connected to the pin holder and the pin holder is laterally movable with respect to the support.
    Type: Application
    Filed: December 29, 2022
    Publication date: July 6, 2023
    Applicant: SEMES CO., LTD.
    Inventors: Yoon Seok CHOI, Hyun Woo JO, Sang Jeong LEE, Jong Won PARK, Hyoung Kyu SON
  • Publication number: 20230207271
    Abstract: The apparatus includes a process chamber having a treating space therein, a support unit for supporting the substrate in the treating space, a gas supply unit for supplying treating gas to the treating space, and a microwave application unit for applying microwaves to the treating gas to generate plasma. The microwave application unit may include first power supply for applying a first microwave, a support plate having a groove formed on an upper surface thereof and combined with the process chamber above the support unit to define the treating space, a first transmission plate inserted into the groove to radiate the first microwave to the treating space, and a first waveguide disposed to overlap with an upper portion of the first transmission plate and coupled to the first power supply, wherein a plurality of grooves may be formed along a circumferential direction in an edge region of the support plate.
    Type: Application
    Filed: November 16, 2022
    Publication date: June 29, 2023
    Applicants: SEMES CO., LTD., PUSAN NATIONAL UNIVERSITY INDUSTRY-UNIVERSITY COOPERATION FOUNDATION
    Inventors: Yoon Seok CHOI, Sun Wook JUNG, Jong Won PARK, Ho-Jun LEE, Min Sang PARK