Patents by Inventor Takeo Hanashima

Takeo Hanashima 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: 10640872
    Abstract: There is provided a substrate processing apparatus including a process chamber defined at least by a reaction tube and a furnace opening part provided at a lower portion of the reaction tube; a nozzle provided at the furnace opening part and extending from the furnace opening part to an inside of the reaction tube; a gas supply system provided at an upstream side of the nozzle; a blocking part provided at a boundary between the gas supply system and the nozzle; and a controller configured to control the gas supply system and the blocking part such that the blocking part co-operates with the gas supply system to supply gases into the process chamber through the nozzle.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: May 5, 2020
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Mikio Ohno, Atsushi Umekawa, Takeo Hanashima, Hiroaki Hiramatsu
  • Publication number: 20190368036
    Abstract: There is provided a technique of cleaning an interior of a supply part by performing a cycle a predetermined number of times, the cycle including: (a) supplying a first gas, which is one of a cleaning gas and an additive gas that reacts with the cleaning gas, from the supply part toward an interior of a process container in which a substrate has been processed by supplying a processing gas from the supply part to the substrate; and (b) supplying a second gas, which is the other one of the cleaning gas and the additive gas and is different from the first gas, from the supply part toward the interior of the process container in a state in which a part of the first gas remains in the supply part after supply of the first gas is stopped.
    Type: Application
    Filed: June 4, 2019
    Publication date: December 5, 2019
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Koei Kuribayashi, Takeo Hanashima, Hiroyuki Miyagishi, Hiroto Yamagishi
  • Publication number: 20190311898
    Abstract: A technique of manufacturing a semiconductor device includes forming a film on a substrate in a process chamber by supplying a precursor and a reactant to the substrate under a first temperature at which the precursor and the reactant are not pyrolyzed, and purging, after performing the act of forming the film, an interior of the process chamber by supplying at least one selected from a group consisting of a plasma-excited gas, an alcohol, and a reducing agent into the process chamber under a second temperature equal to or lower than the first temperature.
    Type: Application
    Filed: June 7, 2019
    Publication date: October 10, 2019
    Applicant: Kokusai Electric Corporation
    Inventors: Takaaki Noda, Kotaro Konno, Shingo Nohara, Takeo Hanashima
  • Publication number: 20190255576
    Abstract: There is provided a technique that cleans a member in a process container by performing a cycle a predetermined number of times, the cycle including: (a) separately supplying a cleaning gas and an additive gas that reacts with the cleaning gas, respectively, from any two supply parts among at least three supply parts into the process container after processing a substrate; and (b) separately supplying the cleaning gas and the additive gas, respectively, from any two supply parts among the at least three supply parts into the process container, wherein at least one selected from the group of the cleaning gas and the additive gas is supplied from different supply parts in (a) and (b).
    Type: Application
    Filed: February 20, 2019
    Publication date: August 22, 2019
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Koei KURIBAYASHI, Kenji KAMEDA, Tsukasa KAMAKURA, Takeo HANASHIMA, Hiroaki HIRAMATSU, Shinya EBATA, Hiroto YAMAGISHI, Sadao HISAKADO, Takafumi SASAKI, Takatomo YAMAGUCHI, Shuhei SAIDO
  • Patent number: 10388512
    Abstract: A method of manufacturing a semiconductor device includes forming a film on a substrate by performing a cycle a predetermined number of times. The cycle includes non-simultaneously performing (a) forming a first layer by supplying a precursor to the substrate from a first nozzle and (b) forming a second layer by supplying a reactant to the substrate from a second nozzle different from the first nozzle to thereby modify the first layer. The act (a) includes sequentially performing (a-1) supplying an inert gas from the second nozzle at a first flow rate smaller than a flow rate of the precursor in a state in which the precursor is supplied from the first nozzle and (a-2) supplying an inert gas from the second nozzle at a second flow rate larger than the flow rate of the precursor in a state in which the precursor is supplied from the first nozzle.
    Type: Grant
    Filed: November 29, 2017
    Date of Patent: August 20, 2019
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Takeo Hanashima, Takafumi Sasaki, Hiroaki Hiramatsu, Tsukasa Kamakura
  • Publication number: 20190106787
    Abstract: There is provided a substrate processing apparatus including a process chamber defined at least by a reaction tube and a furnace opening part provided at a lower portion of the reaction tube; a nozzle provided at the furnace opening part and extending from the furnace opening part to an inside of the reaction tube; a gas supply system provided at an upstream side of the nozzle; a blocking part provided at a boundary between the gas supply system and the nozzle; and a controller configured to control the gas supply system and the blocking part such that the blocking part co-operates with the gas supply system to supply gases into the process chamber through the nozzle.
    Type: Application
    Filed: December 7, 2018
    Publication date: April 11, 2019
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Mikio OHNO, Atsushi UMEKAWA, Takeo HANASHIMA, Hiroaki HIRAMATSU
  • Publication number: 20190017169
    Abstract: There is provided a technique that includes: a process chamber accommodating a substrate support supporting substrates in multiple stages to process the substrates; a supply buffer part adjacent the process chamber; a first gas supply part installed in the supply buffer part; a second gas supply part installed in the supply buffer part; an inner wall installed between the supply buffer part and the process chamber, on which a plurality of slits are formed to correspond to the substrates; and a maintenance port disposed at a lower end of the inner wall, wherein the first gas supply part includes a first gas nozzle having a supply hole that supplies first gas into the supply buffer part.
    Type: Application
    Filed: September 19, 2018
    Publication date: January 17, 2019
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Takeo HANASHIMA, Tsukasa KAMAKURA, Takafumi SASAKI, Hidenari YOSHIDA
  • Publication number: 20180371614
    Abstract: Described herein is a technique capable of improving the uniformity of the film formation among the substrates. According to the technique described herein, there is provided a configuration including: a reaction tube having a process chamber where a plurality of substrates are processed; a buffer chamber protruding outward from the reaction tube and configured to supply a process gas to the process chamber, the buffer chamber including: a first nozzle chamber where a first nozzle is provided; and a second nozzle chamber where a second nozzle is provided; an opening portion provided at a lower end of an inner wall of the reaction tube facing the buffer chamber; and a shielding portion provided at a communicating portion of the opening portion between the second nozzle chamber and the process chamber.
    Type: Application
    Filed: July 27, 2018
    Publication date: December 27, 2018
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Hidenari YOSHIDA, Takeo HANASHIMA, Hiroaki HIRAMATSU
  • Patent number: 10032626
    Abstract: A semiconductor device manufacturing method includes: vertically arranging and storing a plurality of substrates in a processing container and forming a condition where at least an upper region or a lower region relative to a substrate disposing region where the plurality of substrates are arranged is blocked off by an adaptor; and while maintaining the condition, forming films on the plurality of substrates by performing a cycle including the following steps a predetermined number of times in a non-simultaneous manner: supplying source gas to the plurality of substrates in the processing container from the side of the substrate disposing region; discharging the source gas from the interior of the processing container via exhaust piping; supplying reaction gas to the plurality of substrates in the processing container from the side of the substrate disposing region; and discharging the reaction gas from the interior of the processing container via the exhaust piping.
    Type: Grant
    Filed: September 19, 2014
    Date of Patent: July 24, 2018
    Assignee: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Takaaki Noda, Shingo Nohara, Kosuke Takagi, Takeo Hanashima, Mamoru Sueyoshi, Kotaro Konno, Motoshi Sawada
  • Publication number: 20180151347
    Abstract: A method of manufacturing a semiconductor device includes forming a film on a substrate by performing a cycle a predetermined number of times. The cycle includes non-simultaneously performing (a) forming a first layer by supplying a precursor to the substrate from a first nozzle and (b) forming a second layer by supplying a reactant to the substrate from a second nozzle different from the first nozzle to thereby modify the first layer. The act (a) includes sequentially performing (a-1) supplying an inert gas from the second nozzle at a first flow rate smaller than a flow rate of the precursor in a state in which the precursor is supplied from the first nozzle and (a-2) supplying an inert gas from the second nozzle at a second flow rate larger than the flow rate of the precursor in a state in which the precursor is supplied from the first nozzle.
    Type: Application
    Filed: November 29, 2017
    Publication date: May 31, 2018
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Takeo HANASHIMA, Takafumi SASAKI, Hiroaki HIRAMATSU, Tsukasa KAMAKURA
  • Patent number: 9831082
    Abstract: A method of manufacturing a semiconductor device includes forming a thin film having excellent etching resistance and a low dielectric constant on a substrate, removing first impurities containing H2O and Cl from the thin film by heating the thin film at a first temperature higher than a temperature of the substrate in the forming of the thin film, and removing second impurities containing a hydrocarbon compound (CxHy-based impurities) from the thin film in which heat treatment is performed at the first temperature by heating the thin film at a second temperature equal to or higher than the first temperature.
    Type: Grant
    Filed: February 2, 2016
    Date of Patent: November 28, 2017
    Assignee: Hitachi Kokusai Electric Inc.
    Inventors: Satoshi Shimamoto, Takaaki Noda, Takeo Hanashima, Yoshiro Hirose, Hiroshi Ashihara, Tsukasa Kamakura, Shingo Nohara
  • Publication number: 20170287696
    Abstract: A semiconductor device manufacturing method includes: vertically arranging and storing a plurality of substrates in a processing container and forming a condition where at least an upper region or a lower region relative to a substrate disposing region where the plurality of substrates are arranged is blocked off by an adaptor; and while maintaining the condition, forming films on the plurality of substrates by performing a cycle including the following steps a predetermined number of times in a non-simultaneous manner: supplying source gas to the plurality of substrates in the processing container from the side of the substrate disposing region; discharging the source gas from the interior of the processing container via exhaust piping; supplying reaction gas to the plurality of substrates in the processing container from the side of the substrate disposing region; and discharging the reaction gas from the interior of the processing container via the exhaust piping.
    Type: Application
    Filed: September 19, 2014
    Publication date: October 5, 2017
    Applicant: Hitachi Kokusai Electric Inc.
    Inventors: Takaaki NODA, Shingo NOHARA, Kosuke TAKAGI, Takeo HANASHIMA, Mamoru SUEYOSHI, Kotaro KONNO, Motoshi SAWADA
  • Patent number: 9728400
    Abstract: A method of manufacturing a semiconductor device is disclosed. The method includes forming a film on a substrate by performing a cycle a predetermined number of times, wherein the cycle includes non-simultaneously performing: supplying a precursor gas to the substrate in a process chamber; exhausting the precursor gas in the process chamber through an exhaust system; confining a reaction gas, which differs in chemical structure from the precursor gas, in the process chamber by supplying the reaction gas to the substrate in the process chamber while the exhaust system is closed; and exhausting the reaction gas in the process chamber through the exhaust system while the exhaust system is opened.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: August 8, 2017
    Assignee: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Takeo Hanashima, Hiroshi Ashihara
  • Patent number: 9673043
    Abstract: There is provided a technique including: (a) forming a thin film containing a predetermined element, oxygen and carbon on a substrate by performing a cycle a predetermined number of times, the cycle including: (a-1) supplying a source gas containing the predetermined element, carbon and a halogen element having a chemical bond between the predetermined element and carbon to the substrate; (a-2) supplying an oxidizing gas to the substrate; and (a-3) supplying a catalytic gas to the substrate; (b) removing a first impurity from the thin film by thermally processing the thin film at a first temperature higher than a temperature of the substrate in (a); and (c) removing a second impurity different from the first impurity from the thin film by thermally processing the thin film at a second temperature equal to or higher than the first temperature after performing (b).
    Type: Grant
    Filed: March 30, 2016
    Date of Patent: June 6, 2017
    Assignee: Hitachi Kokusai Electric Inc.
    Inventors: Takaaki Noda, Shingo Nohara, Satoshi Shimamoto, Hiroshi Ashihara, Takeo Hanashima, Yoshiro Hirose, Tsukasa Kamakura
  • Patent number: 9536734
    Abstract: A method of manufacturing a semiconductor device is disclosed. The method includes forming a film on a substrate by performing a cycle a predetermined number of times, wherein the cycle includes non-simultaneously performing: supplying a precursor gas to the substrate in a process chamber; exhausting the precursor gas in the process chamber through an exhaust system; confining a reaction gas, which differs in chemical structure from the precursor gas, in the process chamber by supplying the reaction gas to the substrate in the process chamber while the exhaust system is closed; and exhausting the reaction gas in the process chamber through the exhaust system while the exhaust system is opened.
    Type: Grant
    Filed: February 11, 2015
    Date of Patent: January 3, 2017
    Assignee: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Takeo Hanashima, Hiroshi Ashihara
  • Patent number: 9530641
    Abstract: There is provided a method for manufacturing a semiconductor device, including: forming a film on a substrate by performing a cycle a prescribed number of times, the cycle including: (a) supplying a source gas to the substrate in a process chamber; (b) exhausting the source gas remained in the process chamber; (c) supplying a reactive gas to the substrate in the process chamber; and (d) exhausting the reactive gas remained in the process chamber, wherein in (a), the source gas is supplied into the process chamber in a state that exhaust of the process chamber is substantially stopped, and thereafter an inert gas is supplied into the process chamber in a state that exhaust of the process chamber and supply of the source gas are substantially stopped.
    Type: Grant
    Filed: November 11, 2013
    Date of Patent: December 27, 2016
    Assignee: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Takeo Hanashima, Jie Wang, Takaaki Noda
  • Patent number: 9514935
    Abstract: A method of manufacturing a semiconductor device is provided, which enables the film quality to be improved when the film is formed on a substrate at a low temperature, thus forming fine patterns. The method of manufacturing a semiconductor device includes: forming the film on a substrate by alternately supplying at least a source gas and a reactive gas to the substrate while maintaining the substrate at a first temperature by heating; and modifying the film by supplying a modification gas excited by plasma to the substrate with the film formed thereon while naturally cooling the substrate with the film formed thereon to a second temperature without heating the substrate, the second temperature being lower than the first temperature.
    Type: Grant
    Filed: March 25, 2013
    Date of Patent: December 6, 2016
    Assignee: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Takaaki Noda, Takeo Hanashima
  • Publication number: 20160284542
    Abstract: A technique of manufacturing a semiconductor device includes forming a film on a substrate in a process chamber by supplying a precursor and a reactant to the substrate under a first temperature at which the precursor and the reactant are not pyrolyzed, and purging, after performing the act of forming the film, an interior of the process chamber by supplying at least one selected from a group consisting of a plasma-excited gas, an alcohol, and a reducing agent into the process chamber under a second temperature equal to or lower than the first temperature.
    Type: Application
    Filed: March 17, 2016
    Publication date: September 29, 2016
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Takaaki NODA, Kotaro KONNO, Shingo NOHARA, Takeo HANASHIMA
  • Publication number: 20160211135
    Abstract: There is provided a technique including: (a) forming a thin film containing a predetermined element, oxygen and carbon on a substrate by performing a cycle a predetermined number of times, the cycle including: (a-1) supplying a source gas containing the predetermined element, carbon and a halogen element having a chemical bond between the predetermined element and carbon to the substrate; (a-2) supplying an oxidizing gas to the substrate; and (a-3) supplying a catalytic gas to the substrate; (b) removing a first impurity from the thin film by thermally processing the thin film at a first temperature higher than a temperature of the substrate in (a); and (c) removing a second impurity different from the first impurity from the thin film by thermally processing the thin film at a second temperature equal to or higher than the first temperature after performing (b).
    Type: Application
    Filed: March 30, 2016
    Publication date: July 21, 2016
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Takaaki NODA, Shingo NOHARA, Satoshi SHIMAMOTO, Hiroshi ASHIHARA, Takeo HANASHIMA, Yoshiro HIROSE, Tsukasa KAMAKURA
  • Publication number: 20160155634
    Abstract: A method of manufacturing a semiconductor device includes forming a thin film having excellent etching resistance and a low dielectric constant on a substrate, removing first impurities containing H2O and Cl from the thin film by heating the thin film at a first temperature higher than a temperature of the substrate in the forming of the thin film, and removing second impurities containing a hydrocarbon compound (CxHy-based impurities) from the thin film in which heat treatment is performed at the first temperature by heating the thin film at a second temperature equal to or higher than the first temperature.
    Type: Application
    Filed: February 2, 2016
    Publication date: June 2, 2016
    Inventors: Satoshi SHIMAMOTO, Takaaki NODA, Takeo HANASHIMA, Yoshiro HIROSE, Hiroshi ASHIHARA, Tsukasa KAMAKURA, Shingo NOHARA