Patents by Inventor Woong Jin CHOI

Woong Jin 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).

  • Patent number: 11939239
    Abstract: A sterilization module including a light source configured to irradiate ultraviolet light, a board on which the light source is mounted, a protective tube accommodating the board therein and configured to transmit ultraviolet light irradiated from the light source, a first base coupled to one side of the protective tube, and a second base coupled to the other side of the protective tube, in which at least one of the first base and the second base includes an insertion part to be inserted into the protective tube, the insertion part having a first diameter when viewed in a first cross-section perpendicular to a length direction of the protective tube, and a cover part integrally formed on the insertion part and having a second diameter greater than the first diameter in the first cross-section.
    Type: Grant
    Filed: April 13, 2018
    Date of Patent: March 26, 2024
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Jae Young Choi, Woong Ki Jeong, Kyu Won Han, Yeo Jin Yoon
  • Publication number: 20240068091
    Abstract: Disclosed is a method of forming an area-selective thin film, the method comprising supplying a nuclear growth retardant to the inside of the chamber in which the substrate is placed, so that the nuclear growth retardant is adsorbed to a non-growth region of the substrate; purging the interior of the chamber; supplying a precursor to the inside of the chamber, so that the precursor is adsorbed to a growth region of the substrate; purging the interior of the chamber; and supplying a reaction material to the inside of the chamber, so that the reaction material reacts with the adsorbed precursor to form the thin film.
    Type: Application
    Filed: January 5, 2022
    Publication date: February 29, 2024
    Applicant: EGTM Co., Ltd.
    Inventors: Jae Min KIM, Ha Na KIM, Woong Jin CHOI, Ji Yeon HAN, Ju Hwan JEONG, Hyeon Sik CHO
  • Publication number: 20230366080
    Abstract: Disclosed is a method of forming an area-selective thin film, the method comprising supplying the selectivity material to the inside of the chamber in which the substrate is placed, so that the selectivity material is adsorbed to a non-growth region of the substrate; purging the interior of the chamber; supplying a precursor to the inside of the chamber, so that the precursor is adsorbed to a growth region of the substrate; purging the interior of the chamber; and supplying a reaction material to the inside of the chamber, so that the reaction material reacts with the adsorbed precursor to form the thin film.
    Type: Application
    Filed: July 8, 2021
    Publication date: November 16, 2023
    Applicant: EGTM Co., Ltd.
    Inventors: Jae Min KIM, Ha Na KIM, Woong Jin CHOI
  • Publication number: 20230339985
    Abstract: According to examples of the present disclosure, the organometallic compound is represented by Formula 1 below, which is used as a precursor when a Group 4 metal-containing thin film is deposited to provide a high-quality Group 4 metal-containing thin film. In Formula 1, M is Zr or Hf, R1 is selected from a linear alkyl group having 2 to 6 carbon atoms and a branched alkyl group having 3 to 6 carbon atoms, R2 is a linear alkyl group having 1 to 3 carbon atoms, and R1 and R2 are different from each other.
    Type: Application
    Filed: April 17, 2023
    Publication date: October 26, 2023
    Inventors: Sung Jun JI, Kyuho CHO, Sun Young BAIK, Ju Hwan JEONG, Tae Young LEE, Shin Beom KIM, Woong Jin CHOI
  • Patent number: 11591691
    Abstract: Disclosed is a method of forming a thin film using a surface protection material, the method comprising supplying the surface protection material to the inside of a chamber on which a substrate is placed so that the surface protection material is adsorbed to the substrate, discharging the unadsorbed surface protection material from the inside of the chamber by purging the interior of the chamber, supplying a metal precursor to the inside of the chamber so that the metal precursor is adsorbed to the substrate, discharging the unadsorbed metal precursor from the inside of the chamber by purging the interior of the chamber, and supplying a reaction material to the inside of the chamber so that the reaction material reacts with the adsorbed metal precursor to form the thin film.
    Type: Grant
    Filed: July 24, 2020
    Date of Patent: February 28, 2023
    Assignees: EGTM CO., LTD., SK HYNIX INC.
    Inventors: Geun Su Lee, Jae Min Kim, Ha Na Kim, Woong Jin Choi, Eun Ae Jung, Dong Hyun Lee, Myung Soo Lee, Ji Won Moon, Dong Hak Jang, Hyun Sik Noh
  • Publication number: 20230057512
    Abstract: According to one embodiment of the present invention, a method of forming a thin film using a surface protection material, the method comprising: supplying a metal precursor to the inside of a chamber in which a substrate is placed so that the metal precursor is adsorbed to the substrate; purging the interior of the chamber; and supplying a reaction material to the inside of the chamber so that the reaction material reacts with the adsorbed metal precursor to form the thin film, wherein before forming the thin film, the method further comprises: supplying the surface protection material to the inside of the chamber so that the surface protection material is adsorbed to the substrate; and purging the interior of the chamber.
    Type: Application
    Filed: December 30, 2020
    Publication date: February 23, 2023
    Applicant: EGTM Co., Ltd.
    Inventors: Geun Su LEE, Jae Min KIM, Woong Jin CHOI
  • Publication number: 20220403521
    Abstract: According to one embodiment of the present invention, a method for forming a thin film using a surface protection material comprises: a surface protection layer forming step of forming a surface protection layer on the surface of a substrate by supplying a surface protection material to the inside of a chamber in which the substrate is placed; a step of performing a primary purging of the inside of the chamber; a metal precursor supply step of supplying a metal precursor to the inside of the chamber; a step of performing a secondary purging of the inside of the chamber; and a thin film forming step of supplying a reactive material to the inside of the chamber so as to react with the metal precursor and form a thin film.
    Type: Application
    Filed: November 16, 2020
    Publication date: December 22, 2022
    Applicant: EGTM CO., LTD.
    Inventors: Geun Su LEE, Jae Min KIM, Ha Na KIM, Woong Jin CHOI
  • Publication number: 20220112600
    Abstract: Disclosed is a method of forming a thin film using a surface protection material, the method comprising supplying the surface protection material to the inside of a chamber on which a substrate is placed; purging the interior of the chamber; supplying a doping precursor to the inside of the chamber; purging the interior of the chamber; supplying a first reactant to the inside of the chamber so that the first reactant reacts with the adsorbed doping precursor to form a doping thin film; supplying a dielectric film precursor to the inside of the chamber; purging the interior of the chamber; and supplying a second reactant to the inside of the chamber so that the second reactant reacts with the adsorbed dielectric film precursor to form a dielectric film.
    Type: Application
    Filed: October 7, 2021
    Publication date: April 14, 2022
    Applicant: EGTM Co., Ltd.
    Inventors: Jae Min KIM, Ha Na KIM, Woong Jin CHOI, Ji Yeon HAN, Ha Joon KIM
  • Publication number: 20210130954
    Abstract: Disclosed is a method of forming a thin film using a surface protection material, the method comprising supplying the surface protection material to the inside of a chamber on which a substrate is placed so that the surface protection material is adsorbed to the substrate, discharging the unadsorbed surface protection material from the inside of the chamber by purging the interior of the chamber, supplying a metal precursor to the inside of the chamber so that the metal precursor is adsorbed to the substrate, discharging the unadsorbed metal precursor from the inside of the chamber by purging the interior of the chamber, and supplying a reaction material to the inside of the chamber so that the reaction material reacts with the adsorbed metal precursor to form the thin film.
    Type: Application
    Filed: July 24, 2020
    Publication date: May 6, 2021
    Applicant: EUGENETECH MATERIALS CO., LTD.
    Inventors: Geun Su LEE, Jae Min KIM, Ha Na KIM, Woong Jin CHOI, Eun Ae JUNG, Dong Hyun LEE, Myung Soo LEE, Ji Won MOON, Dong Hak JANG, Hyun Sik NOH