Patents by Inventor Seokhyoung Hong

Seokhyoung Hong 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: 20230037960
    Abstract: A film forming method includes: providing the substrate into the processing container; forming a metal-based film on the substrate within the processing container; and subsequently, supplying a Si-containing gas into the processing container in a state in which the substrate is provided within the processing container.
    Type: Application
    Filed: November 30, 2020
    Publication date: February 9, 2023
    Inventors: Seokhyoung HONG, Tsuyoshi TAKAHASHI, Taichi MONDEN
  • Publication number: 20220356565
    Abstract: A method of forming a titanium nitride film includes: forming the titanium nitride film by alternately repeating supplying a raw material gas, which contains a titanium compound including chlorine and titanium, to a substrate accommodated in a processing container, and supplying a reaction gas, which contains a nitrogen compound including nitrogen and reacts with the titanium compound to form titanium nitride, to the substrate, wherein the forming the titanium nitride film is executed under a condition in which a pressure in the processing container is set within a range of 2.7 kPa to 12.6 kPa so that a specific resistance of the titanium nitride film becomes 57 micro-ohm-cm or less.
    Type: Application
    Filed: May 2, 2022
    Publication date: November 10, 2022
    Inventors: Tsuyoshi TAKAHASHI, Seokhyoung HONG, Kensuke HIGUCHI
  • Patent number: 10927453
    Abstract: A TiN-based film includes TiON films having an oxygen content of 50% or above and TiN films which are laminated alternately on a substrate. In a TiN-based film forming method, a TiON film having an oxygen content of 50 at % or above and a TiN film are alternately formed on a substrate.
    Type: Grant
    Filed: November 14, 2017
    Date of Patent: February 23, 2021
    Assignee: TOKYO ELECTRON LIMITED
    Inventors: Tadahiro Ishizaka, Masaki Koizumi, Masaki Sano, Seokhyoung Hong
  • Patent number: 10864548
    Abstract: A step of constantly supplying first and second carrier gases into a processing container having a substrate therein through first and second carrier gas flow paths, respectively, and supplying a source gas into the processing container through a source gas flow path, a step of purging the source gas by supplying a purge gas into the processing container through a purge gas flow path provided separately from the carrier gas, a step of supplying a reactant gas into the processing container through a reactant gas flow path, and a step of purging the reactant gas by supplying a purge gas into the processing container through the purge gas flow path are performed in a predetermined cycle. An additive gas having a predetermined function is supplied as at least a part of the purge gas in at least one of the purging steps.
    Type: Grant
    Filed: April 24, 2018
    Date of Patent: December 15, 2020
    Assignee: TOKYO ELECTRON LIMITED
    Inventors: Hiroaki Ashizawa, Yasushi Fujii, Tsuyoshi Takahashi, Seokhyoung Hong, Kazuyoshi Yamazaki, Hideo Nakamura, Yu Nunoshige, Takashi Kamio
  • Publication number: 20200063258
    Abstract: A method of forming a TiSiN film having a desired film characteristic includes: forming a TiN film by executing an operation of supplying, into a process container in which a substrate is accommodated, a Ti-containing gas and a nitrogen-containing gas in this order a number of times X, X being an integer of 1 or more; and forming a SiN film by executing an operation of supplying, into the process container, a Si-containing gas and a nitrogen-containing gas in this order a number of times Y, Y being an integer of 1 or more, wherein forming a TiN film and forming a SiN film are executed in this order a number of times Z, Z being an integer of 1 or more, and wherein, in forming a SiN film, a flow rate of the Si-containing gas is controlled to be a flow rate determined according to the desired film characteristic.
    Type: Application
    Filed: August 20, 2019
    Publication date: February 27, 2020
    Inventors: Tsuyoshi TAKAHASHI, Noboru MIYAGAWA, Susumu ARIMA, Seokhyoung HONG, Hiroaki ASHIZAWA
  • Patent number: 10529598
    Abstract: A microwave heat treatment apparatus includes: a processing vessel configured to accommodate a substrate therein; a support member configured to rotatably support the substrate in the processing vessel; a microwave introduction device configured to generate a microwave for processing the substrate and introduce the microwave into the processing vessel; a first cooling gas introduction part installed to face a main surface of the substrate supported by the support member, the main surface being a target to be processed; a second cooling gas introduction part installed in a lateral side of the substrate supported by the support member; and a control unit configured to independently control the introduction of a cooling gas from the first cooling gas introduction part and the introduction of the cooling gas from the second cooling gas introduction part.
    Type: Grant
    Filed: November 21, 2014
    Date of Patent: January 7, 2020
    Assignee: TOKYO ELECTRON LIMITED
    Inventors: Seokhyoung Hong, Taichi Monden, Yoshihiro Miyagawa, Masaki Koizumi
  • Patent number: 10483100
    Abstract: A TiON film forming method is provided. A cycle of forming a unit TiN film at a predetermined processing temperature by alternately supplying a Ti-containing gas and a nitriding gas into the processing chamber accommodating a target substrate and oxidizing the unit TiN film by supplying an oxidizing agent into the processing chamber is repeated multiple times. In an initial stage of the film formation, a cycle of repeating the alternate supply of the Ti-containing gas and the nitriding gas X1 times and supplying the oxidizing agent is repeated Y1 times. In a later stage of the film formation, a cycle of repeating the alternate supply of the Ti-containing gas and the nitriding gas X2 times and supplying the oxidizing agent is repeated Y2 times until a desired film thickness is obtained. The number of repetition X1 is set to be greater than the number of repetition X2.
    Type: Grant
    Filed: September 22, 2016
    Date of Patent: November 19, 2019
    Assignee: TOKYO ELECTRON LIMITED
    Inventors: Tadahiro Ishizaka, Masaki Koizumi, Masaki Sano, Seokhyoung Hong
  • Patent number: 10199451
    Abstract: A lower electrode is made of a TiN-based material and provided at a base of a dielectric film in a DRAM capacitor. The lower electrode includes first TiON films provided at opposite outer sides, the first TiON films having a relatively low oxygen concentration, and a second TiON film provided between the first TiON films, the second TiON film having a relatively high oxygen concentration.
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: February 5, 2019
    Assignee: TOKYO ELECTRON LIMITED
    Inventors: Tadahiro Ishizaka, Masaki Koizumi, Masaki Sano, Seokhyoung Hong
  • Publication number: 20180311700
    Abstract: A step of constantly supplying first and second carrier gases into a processing container having a substrate therein through first and second carrier gas flow paths, respectively, and supplying a source gas into the processing container through a source gas flow path, a step of purging the source gas by supplying a purge gas into the processing container through a purge gas flow path provided separately from the carrier gas, a step of supplying a reactant gas into the processing container through a reactant gas flow path, and a step of purging the reactant gas by supplying a purge gas into the processing container through the purge gas flow path are performed in a predetermined cycle. An additive gas having a predetermined function is supplied as at least a part of the purge gas in at least one of the purging steps.
    Type: Application
    Filed: April 24, 2018
    Publication date: November 1, 2018
    Inventors: Hiroaki Ashizawa, Yasushi Fujii, Tsuyoshi Takahashi, Seokhyoung Hong, Kazuyoshi Yamazaki, Hideo Nakamura, Yu Nunoshige, Takashi Kamio
  • Publication number: 20180135169
    Abstract: A TiN-based film includes TiON films having an oxygen content of 50% or above and TiN films which are laminated alternately on a substrate. In a TiN-based film forming method, a TiON film having an oxygen content of 50 at % or above and a TiN film are alternately formed on a substrate.
    Type: Application
    Filed: November 14, 2017
    Publication date: May 17, 2018
    Inventors: Tadahiro ISHIZAKA, Masaki KOIZUMI, Masaki SANO, Seokhyoung HONG
  • Publication number: 20170179219
    Abstract: A lower electrode is made of a TiN-based material and provided at a base of a dielectric film in a DRAM capacitor. The lower electrode includes first TiON films provided at opposite outer sides, the first TiON films having a relatively low oxygen concentration, and a second TiON film provided between the first TiON films, the second TiON film having a relatively high oxygen concentration.
    Type: Application
    Filed: December 21, 2016
    Publication date: June 22, 2017
    Inventors: Tadahiro ISHIZAKA, Masaki KOIZUMI, Masaki SANO, Seokhyoung HONG
  • Publication number: 20170092489
    Abstract: A TiON film forming method is provided. A cycle of forming a unit TiN film at a predetermined processing temperature by alternately supplying a Ti-containing gas and a nitriding gas into the processing chamber accommodating a target substrate and oxidizing the unit TiN film by supplying an oxidizing agent into the processing chamber is repeated multiple times. In an initial stage of the film formation, a cycle of repeating the alternate supply of the Ti-containing gas and the nitriding gas X1 times and supplying the oxidizing agent is repeated Y1 times. In a later stage of the film formation, a cycle of repeating the alternate supply of the Ti-containing gas and the nitriding gas X2 times and supplying the oxidizing agent is repeated Y2 times until a desired film thickness is obtained. The number of repetition X1 is set to be greater than the number of repetition X2.
    Type: Application
    Filed: September 22, 2016
    Publication date: March 30, 2017
    Inventors: Tadahiro ISHIZAKA, Masaki KOIZUMI, Masaki SANO, Seokhyoung HONG
  • Publication number: 20150305097
    Abstract: A microwave heating apparatus includes: a processing chamber including a ceiling wall and a bottom wall and accommodating a target object; a microwave introducing unit to generate a microwave for heating the target object; a holding unit to hold the target object; and a control unit to control the microwave introducing unit to heat the target object. During heating the target object, the holding unit holds the target object at a position in which a distance H1 from the top surface of the bottom wall to the bottom surface of the target object satisfies a condition of H1<?/2, and a distance H2 from the bottom surface of the ceiling wall to the top surface of the target object satisfies a condition of 3?/4?H2<?, ? being a microwave wavelength.
    Type: Application
    Filed: April 13, 2015
    Publication date: October 22, 2015
    Applicant: TOKYO ELECTRON LIMITED
    Inventors: Mitsutoshi ASHIDA, Seokhyoung HONG
  • Publication number: 20150144621
    Abstract: A matching method and a microwave heating method in a microwave heating apparatus for heating a substrate by introducing a microwave into a processing chamber comprises an initial matching step of performing a matching so that a reflection power to a microwave introducing unit is minimized in a state where the substrate is maintained at a first height position by a supporting member. And a second height position determination step of introducing the microwave into the processing chamber by the microwave introducing unit and determining a second height position of the substrate based on at least a temperature of the substrate while adjusting a height of the substrate by the supporting member.
    Type: Application
    Filed: November 20, 2014
    Publication date: May 28, 2015
    Inventors: Seokhyoung HONG, Mitsutoshi ASHIDA, Yoshihiro MIYAGAWA, Masaki KOIZUMI
  • Publication number: 20150144622
    Abstract: A microwave heat treatment apparatus includes: a processing vessel configured to accommodate a substrate therein; a support member configured to rotatably support the substrate in the processing vessel; a microwave introduction device configured to generate a microwave for processing the substrate and introduce the microwave into the processing vessel; a first cooling gas introduction part installed to face a main surface of the substrate supported by the support member, the main surface being a target to be processed; a second cooling gas introduction part installed in a lateral side of the substrate supported by the support member; and a control unit configured to independently control the introduction of a cooling gas from the first cooling gas introduction part and the introduction of the cooling gas from the second cooling gas introduction part.
    Type: Application
    Filed: November 21, 2014
    Publication date: May 28, 2015
    Inventors: Seokhyoung HONG, Taichi MONDEN, Yoshihiro MIYAGAWA, Masaki KOIZUMI
  • Publication number: 20150129586
    Abstract: A microwave heating apparatus includes a processing chamber having a top wall, a bottom wall and a sidewall, and configured to accommodate an object to be processed; a microwave introducing unit configured to generate a microwave for heating the object and introduce the microwave into the processing chamber; a plurality of supporting members configured to make contact with the object and support the object in the processing chamber. The microwave heating apparatus further includes a dielectric member provided between the object supported by the supporting members and the bottom wall while being apart from the object.
    Type: Application
    Filed: January 23, 2015
    Publication date: May 14, 2015
    Inventors: Taro IKEDA, Jun YAMASHITA, Seokhyoung HONG, Kouji SHIMOMURA, Hiroyuki HAYASHI
  • Publication number: 20150090708
    Abstract: A microwave heating apparatus includes a processing chamber for accommodating a target, a support device for supporting the target in the processing chamber and a microwave introducing device for generating microwaves to introduce them into the processing chamber. The processing chamber further includes a top wall having a plurality of microwave introduction ports to introduce the microwaves generated in the microwave introducing device into the processing chamber. Each of the microwave introduction ports has a rectangular shape having long sides and short sides parallel to inner wall surfaces of four sidewalls of the processing chamber, and the support device includes a support member to support the target and a rotating mechanism for rotating the supported target.
    Type: Application
    Filed: February 5, 2013
    Publication date: April 2, 2015
    Inventors: Sumi Tanaka, Taro Ikeda, Yoshiro Kabe, Kouji Shimomura, Seokhyoung Hong, Jun Yamashita, Masakazu Ban, Taichi Monden, Masayoshi Maenishi, Ryoji Yamazaki
  • Publication number: 20140367377
    Abstract: A microwave heating apparatus includes a phase control unit configured to change a phase of a standing wave of microwave introduced into the process chamber by the microwave introduction unit. The phase control unit includes a recessed portion with respect to an inner surface of the bottom wall. The phase control unit is formed of a bottom portion and a fixing plate installed at a lower surface of the bottom portion from the outer side of the process chamber. The phase of the standing wave in the process chamber is changed by the incidence and reflection of the microwave in the recessed portion of the phase control unit surrounded by metallic wall.
    Type: Application
    Filed: June 2, 2014
    Publication date: December 18, 2014
    Applicant: TOKYO ELECTRON LIMITED
    Inventors: Taichi MONDEN, Kouji SHIMOMURA, Seokhyoung HONG, Yoshihiro MIYAGAWA, Jun YAMASHITA, Taro IKEDA, Yuki MOTOMURA
  • Publication number: 20140283734
    Abstract: The present disclosure relates to a heat treatment method of performing a single crystallization of amorphous silicon formed on a substrate to be processed by irradiating the substrate with a microwave. The heat treatment method includes: irradiating the substrate with a microwave to increase a temperature of the substrate to a first temperature such that the amorphous silicon formed on the substrate becomes a single crystal at an interface between the substrate and the amorphous silicon and a nucleation does not occur in a region except the interface; irradiating the substrate with a microwave to heat the substrate at the first temperature for a predetermined period; irradiating the substrate with the microwave to increase the first temperature to a second temperature, which is higher than the first temperature; and irradiating the substrate with the microwave to heat the substrate at the second temperature.
    Type: Application
    Filed: March 24, 2014
    Publication date: September 25, 2014
    Applicant: TOKYO ELECTRON LIMITED
    Inventors: Taichi MONDEN, Junichi KITAGAWA, Seokhyoung HONG, Yoshiro KABE
  • Publication number: 20120318049
    Abstract: A column for chromatography includes a flow path for allowing a mobile phase, the flow path including mutually-opposing sidewalls and a bottom wall joined to the sidewalls and arranged at bottom ends of the sidewalls; and a plurality of pillars provided to extend along the sidewalls from the bottom wall and regularly arranged at a specified interval. The column is configured to separate individual components from a mixture sample containing multiple kinds of components by using the pillars as a stationary phase. Each of the pillars includes a curved outer surface and the sidewalls partially include a curved surface conforming to the outer surface of each of the pillars. The shortest distance between each of the sidewalls and a pillar positioned closest to said each of the sidewalls is equal to the shortest distance between the pillars in a flow direction of the mobile phase.
    Type: Application
    Filed: December 24, 2010
    Publication date: December 20, 2012
    Applicants: SHINWA CHEMICAL INDUSTRIES LIMITED, TOKYO ELECTRON LIMITED
    Inventors: Seokhyoung Hong, Tomofumi Kiyomoto, Hiroshi Kobayashi