Patents by Inventor Seryeyohan Cho

Seryeyohan Cho 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: 20250218749
    Abstract: The present invention provides an apparatus of processing a substrate. The apparatus of processing a substrate includes: a chamber providing a treatment space; a substrate supporting unit provided in the treatment space; a gas supply unit introducing gas into the treatment space; a plasma source providing energy that excites the gas introduced in the treatment space using plasma; an exhaust unit exhausting an atmosphere in the treatment space out of the treatment space; and a laser emission unit disposed above the supporting unit and emitting a laser beam to a substrate placed on the supporting unit, wherein the laser emission unit includes: a laser source generating the laser beam; and a Digital Micro-mirror Device (DMD) unit that is a light modulation unit modulating the laser beam generated from the laser source, wherein the DMD unit includes: micromirrors provided to be rotatable; and a board substrate on which the micromirrors are installed.
    Type: Application
    Filed: December 26, 2024
    Publication date: July 3, 2025
    Applicant: SEMES CO., LTD.
    Inventors: Ki Hoon CHOI, Hyeong Soo PARK, Seung Un OH, Jin Yeong SUNG, Seryeyohan CHO, Sang Hyeon RYU, Dong Geun LEE, Tae Shin KIM, Young Dae CHUNG
  • Publication number: 20250218781
    Abstract: The present invention provides a substrate treatment method. The substrate processing method includes: a processing liquid supply step of supplying processing liquid to a substrate; and a heating step of heating a specific area of the substrate by emitting a laser beam, which is generated from a laser source, to the substrate, wherein the heating step may include: a laser modulation step of modulating the laser beam using a light modulation unit; and a laser emission step of emitting the laser beam modulated by the light modulation unit to the specific area.
    Type: Application
    Filed: December 20, 2024
    Publication date: July 3, 2025
    Applicant: SEMES CO., LTD.
    Inventors: Tae Shin KIM, Seryeyohan CHO, Young Dae CHUNG, Seung Un OH, Hyun YOON, Yu Jin CHO, Ki Hoon CHOI
  • Publication number: 20250214172
    Abstract: The present invention provides a substrate processing apparatus. The substrate processing apparatus includes: a supporting unit supporting a substrate; a laser emission assembly emitting a laser to the substrate, wherein the laser emission assembly includes: a laser source generating a laser; and a plurality of laser emission modules, the laser emission modules each include: a light modulation unit modulating distribution of a laser generated by the laser source; and an imaging unit adjusting and emitting the laser modulated by the light modulation unit to the substrate to correspond to an area to which the laser is emitted, an entire region that needs to be heated on the substrate is composed of a plurality of unit emission regions, and the plurality of laser emission modules are arranged to be able to emit the laser respectively to the different unit emission regions of the substrate supported on the supporting unit.
    Type: Application
    Filed: December 26, 2024
    Publication date: July 3, 2025
    Applicant: SEMES CO., LTD.
    Inventors: Young Dae CHUNG, Tae Shin KIM, Seryeyohan CHO, Hyeong Soo PARK, Ki Hoon CHOI
  • Publication number: 20190305501
    Abstract: A laser output device includes: a laser oscillator for oscillating a source laser pulse; a pulse extender for temporally extending the source laser pulse oscillated by the laser oscillator; an amplifier for amplifying the laser pulse temporally extended by the pulse extender; the laser pulse filter for filtering a pre-pulse and a post-pulse contained in the amplified laser pulse; and a pulse compressor for temporally compressing the laser pulse which has passed through the laser pulse filter.
    Type: Application
    Filed: July 11, 2017
    Publication date: October 3, 2019
    Applicant: HANDONG GLOBAL UNIVERCITY INDUSTRYACADEMIC COOPERATION FOUNDATION
    Inventors: Tae Jun YU, Jihoon JEONG, Tae Shin KIM, Seryeyohan CHO, Seung Jin HWANG
  • Publication number: 20180175580
    Abstract: A laser amplifier capable of achieving a high output by offsetting distortion of an amplified laser beam. The laser amplifier includes: first and second amplification media which amplify a penetrating laser beam; a pre-compensation lens unit which pre-compensates for a laser beam irradiated to the first amplification medium so as to offset a thermal lensing effect generated in the first amplification medium and the second amplification medium; a first polarizing and penetrating mirror inclined to the laser beam irradiated to a front end of the first amplification medium and allowing a laser beam that vibrates in a specific direction to penetrate and reflecting a laser beam that vibrates in another direction; a polarization conversion plate provided at a rear side of the second amplification medium and changing a vibration direction of the laser beam penetrating the second amplification medium; and a first reflection mirror for reflecting a laser beam.
    Type: Application
    Filed: April 27, 2015
    Publication date: June 21, 2018
    Applicant: HANDONG GLOBAL UNIVERSITY FOUNDATION
    Inventors: Taejun Yu, Jihoon Jeong, Jeongmoog Kim, Seryeyohan Cho