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: 12351908
    Abstract: There is provided a technique that includes forming a film on a substrate by performing a cycle a predetermined number of times, the cycle including: (a) supplying a precursor gas from a precursor gas supply line into a process chamber in which the substrate is accommodated; and (b) supplying a reaction gas into the process chamber in which the substrate is accommodated, wherein in (a), the precursor gas is divisionally supplied to the substrate a first plural number of times, the precursor gas is pre-filled in a storage installed in the precursor gas supply line and then supplied into the process chamber when the precursor gas is supplied for the first time, and an inside of the process chamber is exhausted before supplying the precursor gas for the second time.
    Type: Grant
    Filed: November 26, 2021
    Date of Patent: July 8, 2025
    Assignee: Kokusai Electric Corporation
    Inventors: Takeo Hanashima, Kazuhiro Harada
  • Publication number: 20250115993
    Abstract: There is provided a technique that includes: a process container; an exhaust pipe connected to the process container; an opening/closing valve installed at the exhaust pipe; a pressure regulating valve installed at the exhaust pipe; a first supply system supplying one of a cleaning gas and an additive gas, having a molecular structure different from that of the cleaning gas, into the exhaust pipe through a gas supply pipe connected to an upstream of at least one of the opening/closing and pressure regulating valves; a second supply system supplying the other of the cleaning gas and the additive gas into the process container; and a controller capable of controlling the opening/closing valve, the pressure regulating valve, and the first and second supply systems so as to perform a cleaning process of simultaneously supplying the cleaning gas and the additive gas while the opening/closing and pressure regulating valves are opened.
    Type: Application
    Filed: September 20, 2024
    Publication date: April 10, 2025
    Applicant: Kokusai Electric Corporation
    Inventors: Takeo HANASHIMA, Shinya EBATA, Keigo NISHIDA
  • Publication number: 20250003071
    Abstract: There is provided a technique that includes (a) performing a first process to a substrate accommodated in a process container by supplying a first processing gas into the process container through a first pipe different from a second pipe, which is connected to the process container and includes an inner surface made of a metal-containing material, in a state in which the second pipe is heated to a first temperature or higher and (b) performing a second process to the substrate by supplying a second processing gas containing oxygen into the process container through the second pipe in a state in which a temperature of the second pipe is lowered to a second temperature lower than the first temperature.
    Type: Application
    Filed: June 24, 2024
    Publication date: January 2, 2025
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Takeo HANASHIMA, Satoshi NAKASHIMA
  • Publication number: 20240359218
    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 additive gas that reacts with the cleaning gas, respectively, from first and second supply parts among at least three supply parts into the process container, and (b) separately supplying the cleaning and additive gases, respectively, from the second and first supply parts into the process container. (A) and (b) include stopping the supply of the cleaning and additive gases into the process container and exhausting the process container's interior. In at least one selected from the group of (a) and (b) an inert gas is supplied from each of the at least three supply parts at a same flow rate, after the supply of the cleaning and additive gases is stopped and before the process container is exhausted.
    Type: Application
    Filed: July 10, 2024
    Publication date: October 31, 2024
    Applicant: Kokusai Electric Corporation
    Inventors: Koei KURIBAYASHI, Kenji Kameda, Tsukasa Kamakura, Takeo Hanashima, iroaki Hiramatsu, Shinya Ebata, Hiroto Yamagishi, Sadao Hisakado, Takafumi Sasaki, Takatomo Yamaguchi, Shuhei Saido
  • Patent number: 12065741
    Abstract: There is provided a gas supply system including a supplying part connected to a reaction vessel and a blocking part provided at an upstream side of the supplying part and directly connected to the supplying part without providing a pipe between the blocking part and the supplying part. The gas supply system further including a switching part provided at an upstream side of the blocking part and configured to supply a gas into the reaction vessel in cooperation with the blocking part and an exhaust part configured to exhaust an inside of a pipe provided between the switching part and the blocking part.
    Type: Grant
    Filed: May 16, 2022
    Date of Patent: August 20, 2024
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Mikio Ohno, Atsushi Umekawa, Takeo Hanashima, Hiroaki Hiramatsu
  • Patent number: 12053805
    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: Grant
    Filed: February 20, 2019
    Date of Patent: August 6, 2024
    Assignee: 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: 12040179
    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: Grant
    Filed: March 17, 2016
    Date of Patent: July 16, 2024
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Takaaki Noda, Kotaro Konno, Shingo Nohara, Takeo Hanashima
  • Publication number: 20240170276
    Abstract: There is included providing a substrate in a process chamber; and forming a film on the substrate in the process chamber by supplying an inert gas from a first supplier, supplying a first processing gas from a second supplier, and supplying an inert gas from a third supplier to the substrate, the third supplier being installed at an opposite side of the first supplier with respect to a straight line that passes through the second supplier and a center of the substrate and is interposed between the first supplier and the third supplier, to the substrate, wherein in the act of forming the film, a substrate in-plane film thickness distribution of the film is adjusted by controlling a balance between a flow rate of the inert gas supplied from the first supplier and a flow rate of the inert gas supplied from the third supplier.
    Type: Application
    Filed: February 1, 2024
    Publication date: May 23, 2024
    Applicant: Kokusai Electric Corporation
    Inventor: Takeo HANASHIMA
  • Patent number: 11952664
    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: Grant
    Filed: December 8, 2022
    Date of Patent: April 9, 2024
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Hidenari Yoshida, Takeo Hanashima, Hiroaki Hiramatsu
  • Patent number: 11923188
    Abstract: There is included providing a substrate in a process chamber; and forming a film on the substrate in the process chamber by supplying an inert gas from a first supplier, supplying a first processing gas from a second supplier, and supplying an inert gas from a third supplier to the substrate, the third supplier being installed at an opposite side of the first supplier with respect to a straight line that passes through the second supplier and a center of the substrate and is interposed between the first supplier and the third supplier, to the substrate, wherein in the film, a substrate in-plane film thickness distribution of the film is adjusted by controlling a balance between a flow rate of the inert gas supplied from the first supplier and a flow rate of the inert gas supplied from the third supplier.
    Type: Grant
    Filed: September 18, 2020
    Date of Patent: March 5, 2024
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventor: Takeo Hanashima
  • Publication number: 20230411149
    Abstract: There is provided a technique that includes: forming a film on a substrate including a recess formed on a surface of the substrate by performing a cycle a predetermined number of times, the cycle including: (a) supplying a precursor gas to the substrate; and (b) supplying a reaction gas to the substrate, wherein in (a), the precursor gas is supplied to the substrate separately a plurality of times, and a processing condition under which the precursor gas is supplied for a first time is set to a processing condition under which self-decomposition of the precursor gas is capable of being more suppressed than a processing condition under which the precursor gas is supplied for at least one subsequent time after the first time.
    Type: Application
    Filed: August 30, 2023
    Publication date: December 21, 2023
    Applicant: Kokusai Electric Corporation
    Inventors: Takeo HANASHIMA, Kiyohisa ISHIBASHI
  • Publication number: 20230407472
    Abstract: There is provided a technique that includes forming a film on at least one substrate by performing a cycle a predetermined number of times, the cycle including non-simultaneously performing: (a) performing a first set a number of times, the first set including non-simultaneously performing: supplying a precursor to the at least one substrate from at least one first ejecting hole of a first nozzle arranged along a substrate arrangement direction of a substrate arrangement region where the at least one substrate is arranged; and supplying a reactant to the at least one substrate; and (b) performing a second set a number of times, the second set including non-simultaneously performing: supplying the precursor to the at least one substrate from at least one second ejecting hole of a second nozzle arranged along the substrate arrangement direction of the substrate arrangement region; and supplying the reactant to the at least one substrate.
    Type: Application
    Filed: July 26, 2023
    Publication date: December 21, 2023
    Applicant: Kokusai Electric Corporation
    Inventors: Hiroki HATTA, Takeo HANASHIMA, Koei KURIBAYASHI, Shin SONE
  • Patent number: 11814725
    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: Grant
    Filed: June 4, 2019
    Date of Patent: November 14, 2023
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Koei Kuribayashi, Takeo Hanashima, Hiroyuki Miyagishi, Hiroto Yamagishi
  • Patent number: 11784044
    Abstract: There is provided a technique that includes: forming a film on a substrate including a recess formed on a surface of the substrate by performing a cycle a predetermined number of times, the cycle including: (a) supplying a precursor gas to the substrate; and (b) supplying a reaction gas to the substrate, wherein in (a), the precursor gas is supplied to the substrate separately a plurality of times, and a processing condition under which the precursor gas is supplied for a first time is set to a processing condition under which self-decomposition of the precursor gas is capable of being more suppressed than a processing condition under which the precursor gas is supplied for at least one subsequent time after the first time.
    Type: Grant
    Filed: March 6, 2023
    Date of Patent: October 10, 2023
    Assignee: Kokusai Electric Corporation
    Inventors: Takeo Hanashima, Kiyohisa Ishibashi
  • Patent number: 11753716
    Abstract: There is provided a technique that includes forming a film on at least one substrate by performing a cycle a predetermined number of times, the cycle including non-simultaneously performing: (a) performing a first set a number of times, the first set including non-simultaneously performing: supplying a precursor to the at least one substrate from at least one first ejecting hole of a first nozzle arranged along a substrate arrangement direction of a substrate arrangement region where the at least one substrate is arranged; and supplying a reactant to the at least one substrate; and (b) performing a second set a number of times, the second set including non-simultaneously performing: supplying the precursor to the at least one substrate from at least one second ejecting hole of a second nozzle arranged along the substrate arrangement direction of the substrate arrangement region; and supplying the reactant to the at least one substrate.
    Type: Grant
    Filed: December 31, 2020
    Date of Patent: September 12, 2023
    Assignee: Kokusai Electric Corporation
    Inventors: Hiroki Hatta, Takeo Hanashima, Koei Kuribayashi, Shin Sone
  • Publication number: 20230207310
    Abstract: There is provided a technique that includes: forming a film on a substrate including a recess formed on a surface of the substrate by performing a cycle a predetermined number of times, the cycle including: (a) supplying a precursor gas to the substrate; and (b) supplying a reaction gas to the substrate, wherein in (a), the precursor gas is supplied to the substrate separately a plurality of times, and a processing condition under which the precursor gas is supplied for a first time is set to a processing condition under which self-decomposition of the precursor gas is capable of being more suppressed than a processing condition under which the precursor gas is supplied for at least one subsequent time after the first time.
    Type: Application
    Filed: March 6, 2023
    Publication date: June 29, 2023
    Applicant: Kokusai Electric Corporation
    Inventors: Takeo HANASHIMA, Kiyohisa Ishibashi
  • Publication number: 20230109474
    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: December 8, 2022
    Publication date: April 6, 2023
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Hidenari YOSHIDA, Takeo HANASHIMA, Hiroaki HIRAMATSU
  • Patent number: 11542601
    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: Grant
    Filed: July 27, 2018
    Date of Patent: January 3, 2023
    Assignee: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Hidenari Yoshida, Takeo Hanashima, Hiroaki Hiramatsu
  • Publication number: 20220298628
    Abstract: There is provided a technique capable of effectively removing a residual element after a cleaning process. According to one aspect of the technique, there is provided a method of manufacturing a semiconductor device, including: (a) supplying a cleaning gas to at least one nozzle among a plurality of nozzles provided in a reaction tube after a substrate is processed in the reaction tube and unloaded out of the reaction tube; and (b) supplying a gas containing hydrogen and oxygen to the at least one nozzle after (a).
    Type: Application
    Filed: March 17, 2022
    Publication date: September 22, 2022
    Inventors: Takeo HANASHIMA, Kazuhiro HARADA, Takuro USHIDA
  • Publication number: 20220275515
    Abstract: There is provided a gas supply system including a supplying part connected to a reaction vessel and a blocking part provided at an upstream side of the supplying part and directly connected to the supplying part without providing a pipe between the blocking part and the supplying part. The gas supply system further including a switching part provided at an upstream side of the blocking part and configured to supply a gas into the reaction vessel in cooperation with the blocking part and an exhaust part configured to exhaust an inside of a pipe provided between the switching part and the blocking part.
    Type: Application
    Filed: May 16, 2022
    Publication date: September 1, 2022
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Mikio OHNO, Atsushi UMEKAWA, Takeo HANASHIMA, Hiroaki HIRAMATSU