Patents by Inventor Hideomi HANE

Hideomi HANE 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: 11970768
    Abstract: There is provided a method of forming a silicon nitride film on a substrate having first and second films formed thereon, wherein the first film and the second film have different incubation times. The method includes: supplying a processing gas composed of a silicon halide having Si—Si bonds to the substrate; supplying a non-plasmarized second nitriding gas to the substrate; forming a thin silicon nitride layer covering the first film and the second film by repeating the supplying the processing gas and the supplying the second nitriding gas in a sequential order; supplying a plasmarized modifying gas to the substrate and modifying the thin silicon nitride layer; and forming the silicon nitride film on the modified thin silicon nitride layer by supplying the raw material gas and the first nitriding gas to the substrate.
    Type: Grant
    Filed: August 14, 2020
    Date of Patent: April 30, 2024
    Assignee: TOKYO ELECTRON LIMITED
    Inventors: Hideomi Hane, Shimon Otsuki, Takeshi Oyama, Ren Mukouyama, Jun Ogawa, Noriaki Fukiage
  • Patent number: 11725276
    Abstract: A plasma purge method that is performed after dry cleaning in a process container and before applying a deposition process to a substrate includes: (a) activating and supplying a first process gas containing Cl2 in the process container; and (b) activating and supplying a second process gas containing H2 and O2 in the process container.
    Type: Grant
    Filed: September 15, 2021
    Date of Patent: August 15, 2023
    Assignee: Tokyo Electron Limited
    Inventors: Hideomi Hane, Hyunjoon Bang, Noriaki Fukiage
  • Publication number: 20230175137
    Abstract: A heat treatment apparatus includes a control device. The control device includes a heat treatment control unit that controls a heat treatment performed on a processing target accommodated in a processing container, according to a process condition, a cleaning control unit that controls a cleaning process on deposits adhering to the processing container due to the heat treatment, a cumulative film thickness specification unit that specifies a value of a cumulative film thickness of the deposits adhering to the processing container, based on the process condition for the heat treatment, and a temperature correction unit that corrects a temperature of the heat treatment based on a temperature correction amount corresponding to the value of the cumulative film thickness and a frequency of the cleaning process.
    Type: Application
    Filed: December 2, 2022
    Publication date: June 8, 2023
    Inventors: Morihito INAGAKI, Takuya HIGUCHI, Hideomi HANE
  • Publication number: 20230175125
    Abstract: With respect to a cleaning method of cleaning an inside of a processing chamber in a film deposition apparatus including a rotary table rotatably provided in the processing chamber, multiple mounting areas being provided on the rotary table in a circumferential direction, the cleaning method includes (a) discharging a carrier gas and a cleaning gas with rotating the rotary table, a flow rate of the carrier gas being adjusted to a first flow rate, (b) discharging the carrier gas and the cleaning gas with rotating the rotary table, the flow rate of the carrier gas being adjusted to a second flow rate less than the first flow rate, and (c) performing switching from (a) to (b) and switching from (b) to (a) a predetermined number of times while the rotary table rotates by one revolution, the predetermined number being equal to a number of the multiple mounting areas.
    Type: Application
    Filed: November 9, 2022
    Publication date: June 8, 2023
    Inventors: Hideomi HANE, Akihiro KURIBAYASHI, Noriaki FUKIAGE
  • Patent number: 11414753
    Abstract: A processing method according to one aspect of the present disclosure includes varying pressure of a processing chamber in a state in which a plasma of a purge gas is formed in the processing chamber, the varying including removing a film deposited in the processing chamber, with the formed plasma.
    Type: Grant
    Filed: November 2, 2020
    Date of Patent: August 16, 2022
    Assignee: Tokyo Electron Limited
    Inventors: Hideomi Hane, Takeshi Oyama, Kentaro Oshimo, Yusuke Suzuki, Jun Ogawa
  • Publication number: 20220081764
    Abstract: A plasma purge method that is performed after dry cleaning in a process container and before applying a deposition process to a substrate includes: (a) activating and supplying a first process gas containing Cl2 in the process container; and (b) activating and supplying a second process gas containing H2 and O2 in the process container.
    Type: Application
    Filed: September 15, 2021
    Publication date: March 17, 2022
    Inventors: Hideomi HANE, Hyunjoon BANG, Noriaki FUKIAGE
  • Publication number: 20220081766
    Abstract: A plasma purge method that is performed after dry cleaning in a process container and before applying a deposition process to a substrate includes: (a) activating and supplying a first process gas containing N2 in the process container; and (b) activating and supplying a second process gas containing H2 and O2 in the process container.
    Type: Application
    Filed: September 15, 2021
    Publication date: March 17, 2022
    Inventors: Hideomi HANE, Hyunjoon BANG, Noriaki FUKIAGE
  • Patent number: 11201053
    Abstract: A method for forming a silicon nitride film to cover a stepped portion formed by exposed surfaces of first and second base films in a substrate, includes: forming a nitride film or a seed layer to cover the stepped portion, wherein the nitride film is formed by supplying, to the substrate, a nitrogen-containing base-film nitriding gas for nitriding the base films, exposing the substrate to plasma and nitriding the surface of the stepped portion, and the seed layer is composed of a silicon-containing film formed by supplying a raw material gas of silicon to the substrate and is configured such that the silicon nitride film uniformly grows on the surfaces of the base films; and forming the silicon nitride film on the seed layer by supplying, to the substrate, a second raw material gas of silicon and a silicon-nitriding gas for nitriding silicon.
    Type: Grant
    Filed: June 2, 2020
    Date of Patent: December 14, 2021
    Assignee: TOKYO ELECTRON LIMITED
    Inventors: Noriaki Fukiage, Takayuki Karakawa, Toyohiro Kamada, Akihiro Kuribayashi, Takeshi Oyama, Jun Ogawa, Kentaro Oshimo, Shimon Otsuki, Hideomi Hane
  • Patent number: 11171014
    Abstract: There is provided a substrate processing method, including: forming a silicon nitride film laminated on an etching target film by supplying a film forming gas to a substrate; oxidizing a surface of the silicon nitride film to form an oxide layer by supplying an oxidizing gas to the substrate; and etching the etching target film by supplying an etching gas containing halogen to the substrate, in a state in which the etching target film and the oxide layer are exposed on a surface of the substrate.
    Type: Grant
    Filed: June 7, 2018
    Date of Patent: November 9, 2021
    Assignee: TOKYO ELECTRON LIMITED
    Inventors: Hideomi Hane, Kentaro Oshimo, Shimon Otsuki, Jun Ogawa, Noriaki Fukiage, Hiroaki Ikegawa, Yasuo Kobayashi, Takeshi Oyama
  • Publication number: 20210130950
    Abstract: A processing method according to one aspect of the present disclosure includes varying pressure of a processing chamber in a state in which a plasma of a purge gas is formed in the processing chamber, the varying including removing a film deposited in the processing chamber, with the formed plasma.
    Type: Application
    Filed: November 2, 2020
    Publication date: May 6, 2021
    Inventors: Hideomi HANE, Takeshi OYAMA, Kentaro OSHIMO, Yusuke SUZUKI, Jun OGAWA
  • Publication number: 20210054501
    Abstract: A film forming method of forming a silicon nitride film on a substrate, which includes a first film and a second film having different incubation times when a source gas containing silicon and a first nitriding gas for nitriding the silicon are supplied, includes: supplying a plasmarized hydrogen gas to the substrate; supplying a processing gas formed of silicon halide to the substrate; forming a thin layer of silicon covering the first film and the second film by alternately and repeatedly performing the supplying the plasmarized hydrogen gas and the supplying the processing gas; forming a thin layer of silicon nitride by supplying a second nitriding gas for nitriding the thin layer of silicon to the substrate; and forming the silicon nitride film on the thin layer of the silicon nitride by supplying the source gas and the first nitriding gas to the substrate.
    Type: Application
    Filed: August 10, 2020
    Publication date: February 25, 2021
    Inventors: Hideomi HANE, Takeshi OYAMA, Shimon OTSUKI, Ren MUKOUYAMA, Noriaki FUKIAGE, Jun OGAWA
  • Publication number: 20210054502
    Abstract: There is provided a method of forming a silicon nitride film on a substrate having first and second films formed thereon, wherein the first film and the second film have different incubation times. The method includes: supplying a processing gas composed of a silicon halide having Si—Si bonds to the substrate; supplying a non-plasmarized second nitriding gas to the substrate; forming a thin silicon nitride layer covering the first film and the second film by repeating the supplying the processing gas and the supplying the second nitriding gas in a sequential order; supplying a plasmarized modifying gas to the substrate and modifying the thin silicon nitride layer; and forming the silicon nitride film on the modified thin silicon nitride layer by supplying the raw material gas and the first nitriding gas to the substrate.
    Type: Application
    Filed: August 14, 2020
    Publication date: February 25, 2021
    Inventors: Hideomi HANE, Shimon OTSUKI, Takeshi OYAMA, Ren MUKOUYAMA, Jun OGAWA, Noriaki FUKIAGE
  • Patent number: 10900121
    Abstract: There is provided a film formation processing method for forming, in a vacuum atmosphere, a silicon nitride film along an inner wall surface of a recess constituting a pattern formed on a surface of a substrate, which includes: forming the silicon nitride film on the substrate by repeating, plural times, a process of supplying a raw material gas containing silicon to the substrate and subsequently, supplying an ammonia gas to the substrate to generate a silicon nitride on the substrate; and subsequently, modifying the silicon nitride film by activating a hydrogen gas and an ammonia gas and supplying the activated hydrogen gas and the activated ammonia gas to the substrate.
    Type: Grant
    Filed: November 17, 2017
    Date of Patent: January 26, 2021
    Assignee: TOKYO ELECTRON LIMITED
    Inventors: Noriaki Fukiage, Kentaro Oshimo, Shimon Otsuki, Hideomi Hane, Jun Ogawa, Hiroaki Ikegawa
  • Publication number: 20200294787
    Abstract: A method for forming a silicon nitride film to cover a stepped portion formed by exposed surfaces of first and second base films in a substrate, includes: forming a nitride film or a seed layer to cover the stepped portion, wherein the nitride film is formed by supplying, to the substrate, a nitrogen-containing base-film nitriding gas for nitriding the base films, exposing the substrate to plasma and nitriding the surface of the stepped portion, and the seed layer is composed of a silicon-containing film formed by supplying a raw material gas of silicon to the substrate and is configured such that the silicon nitride film uniformly grows on the surfaces of the base films; and forming the silicon nitride film on the seed layer by supplying, to the substrate, a second raw material gas of silicon and a silicon-nitriding gas for nitriding silicon.
    Type: Application
    Filed: June 2, 2020
    Publication date: September 17, 2020
    Inventors: Noriaki FUKIAGE, Takayuki KARAKAWA, Toyohiro KAMADA, Akihiro KURIBAYASHI, Takeshi OYAMA, Jun OGAWA, Kentaro OSHIMO, Shimon OTSUKI, Hideomi HANE
  • Patent number: 10714332
    Abstract: A method for forming a silicon nitride film to cover a stepped portion formed by exposed surfaces of first and second base films in a substrate, includes: forming a nitride film or a seed layer to cover the stepped portion, wherein the nitride film is formed by supplying, to the substrate, a nitrogen-containing base-film nitriding gas for nitriding the base films, exposing the substrate to plasma and nitriding the surface of the stepped portion, and the seed layer is composed of a silicon-containing film formed by supplying a raw material gas of silicon to the substrate and is configured such that the silicon nitride film uniformly grows on the surfaces of the base films; and forming the silicon nitride film on the seed layer by supplying, to the substrate, a second raw material gas of silicon and a silicon-nitriding gas for nitriding silicon.
    Type: Grant
    Filed: March 15, 2017
    Date of Patent: July 14, 2020
    Assignee: TOKYO ELECTRON LIMITED
    Inventors: Noriaki Fukiage, Takayuki Karakawa, Toyohiro Kamada, Akihiro Kuribayashi, Takeshi Oyama, Jun Ogawa, Kentaro Oshimo, Shimon Otsuki, Hideomi Hane
  • Patent number: 10550470
    Abstract: There is provided a film forming apparatus for performing a film forming process by supplying a film forming gas to a substrate in a vacuum atmosphere, comprising: a processing container in which a mounting part for mounting a substrate thereon is provided; a heating part configured to heat the substrate mounted on the mounting part; an exhaust part configured to evacuate an inside of the processing container; a cooling gas supply part configured to supply a cooling gas into the processing container; a purge gas supply part configured to supply a purge gas into the processing container; and a control part configured to output a control signal so as to execute a step of applying a stress to a thin film formed inside the processing container.
    Type: Grant
    Filed: October 26, 2018
    Date of Patent: February 4, 2020
    Assignee: TOKYO ELECTRON LIMITED
    Inventors: Hideomi Hane, Kentaro Oshimo, Shimon Otsuki, Takeshi Oyama, Hiroaki Ikegawa, Jun Ogawa
  • Patent number: 10438791
    Abstract: A film forming process of forming a silicon nitride film by depositing a molecular layer of silicon nitride on a surface of a substrate, in which an uneven pattern is formed and a base made of metal reacting with halogen is exposed, includes alternately performing adsorbing silicon halide to the surface of the substrate and nitriding the silicon halide, wherein the film forming process is performed under a condition in which the substrate is heated at a film-forming temperature, the film-forming temperature falling within a range of equal to or higher than a minimum film-forming temperature at which the molecular layer of the silicon nitride is formed by reaction of the silicon halide and a plasmarized nitriding gas and less than a maximum film-forming temperature at which the reaction of the base made of metal and the silicon halide goes ahead.
    Type: Grant
    Filed: June 11, 2018
    Date of Patent: October 8, 2019
    Assignee: TOKYO ELECTRON LIMITED
    Inventors: Hideomi Hane, Kentaro Oshimo, Shimon Otsuki, Jun Ogawa, Noriaki Fukiage, Hiroaki Ikegawa, Yasuo Kobayashi, Takeshi Oyama
  • Publication number: 20190292662
    Abstract: A film-forming method includes: mounting a substrate on a mounting table in a vacuu container; adsorbing a raw material to the substrate by supplying raw material gas containing silicon into the vacuum container; nitriding the raw material by supplying nitriding gas to a plasma formation region inside the vacuum container and supplying plasmarized gas to the substrate; forming a silicon-containing nitride film on the substrate by alternately and repeatedly performing the adsorbing a raw material and the nitriding the raw material; setting stress of the silicon-containing nitride film before the adsorbing a raw material and nitriding the raw material; and adjusting a nitriding time having a length based on first correspondence relationship between the stress of the silicon-containing nitride film and parameter corresponding to the nitriding time in the plasma formation region, and the set stress of the silicon-containing nitride film.
    Type: Application
    Filed: March 25, 2019
    Publication date: September 26, 2019
    Inventors: Hideomi HANE, Kentaro OSHIMO, Shimon OTSUKI, Jun OGAWA, Noriaki FUKIAGE, Hiroaki IKEGAWA, Yasuo KOBAYASHI, Takeshi OYAMA
  • Patent number: 10344382
    Abstract: There is provided a film forming apparatus including a raw material gas nozzle provided with gas discharge holes for discharging a mixed gas of a raw material gas and a carrier gas; a flow regulating plate portion extended along the longitudinal direction of the raw material gas nozzle; a central region configured to supply a separating gas from a center side within a vacuum container toward a substrate loading surface of a rotary table; a protuberance portion protruded from the flow regulating plate portion toward the rotary table at a position shifted toward a center side of the rotary table from the gas discharge holes; and a protuberance portion configured to restrain the separating gas from flowing between the flow regulating plate portion and the rotary table; and an exhaust port configured to vacuum exhaust the interior of the vacuum container.
    Type: Grant
    Filed: May 8, 2015
    Date of Patent: July 9, 2019
    Assignee: TOKYO ELECTRON LIMITED
    Inventors: Hideomi Hane, Takahito Umehara, Takehiro Kasama, Tsubasa Watanabe
  • Publication number: 20190127849
    Abstract: There is provided a film forming apparatus for performing a film forming process by supplying a film forming gas to a substrate in a vacuum atmosphere, comprising: a processing container in which a mounting part for mounting a substrate thereon is provided; a heating part configured to heat the substrate mounted on the mounting part; an exhaust part configured to evacuate an inside of the processing container; a cooling gas supply part configured to supply a cooling gas into the processing container; a purge gas supply part configured to supply a purge gas into the processing container; and a control part configured to output a control signal so as to execute a step of applying a stress to a thin film formed inside the processing container.
    Type: Application
    Filed: October 26, 2018
    Publication date: May 2, 2019
    Inventors: Hideomi HANE, Kentaro OSHIMO, Shimon OTSUKI, Takeshi OYAMA, Hiroaki IKEGAWA, Jun OGAWA