Patents by Inventor Tadashi Takasaki

Tadashi Takasaki 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: 11967513
    Abstract: Described herein is a technique capable of reducing an amount of moisture in a low temperature region in a substrate processing apparatus provided with a transfer chamber. According to one aspect of the technique, there is provided a substrate processing apparatus including: a process chamber provided with a heater; a load lock chamber; a transfer chamber provided between the process chamber and the load lock chamber and including a first region provided adjacent to the process chamber and a second region provided more adjacent to the load lock chamber than the first region and whose temperature is lower than a temperature of the first region; a detector capable of detecting an amount of moisture in the transfer chamber; and an inert gas supplier capable of supplying an inert gas toward the second region in the transfer chamber.
    Type: Grant
    Filed: March 18, 2021
    Date of Patent: April 23, 2024
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Teruo Yoshino, Naofumi Ohashi, Tadashi Takasaki
  • Publication number: 20240093372
    Abstract: A technique includes at least one chamber including a process chamber that is capable of processing a substrate and a shower head arranged in an upstream of the process chamber; a gas supplier that is capable of supplying a gas into the process chamber via the shower head; a first exhaust pipe communicating with the shower head; a second exhaust pipe communicating with the process chamber; a first exhaust controller installed in the first exhaust pipe; a first heater installed in the first exhaust pipe; and a controller configured to be capable of: (a) controlling the gas supplier so as to supply a processing gas as the gas to the shower head, and (b) controlling the gas supplier so as to supply a non-processing gas as the gas to the shower head.
    Type: Application
    Filed: July 18, 2023
    Publication date: March 21, 2024
    Applicant: Kokusai Electric Corporation
    Inventors: Tadashi TAKASAKI, Atsushi Moriya, Kaoru Yamamoto, Naofumi Ohashi
  • Patent number: 11923173
    Abstract: There is provided a technique capable of improving a uniformity of a substrate processing on a substrate surface. According to one aspect thereof, there is provided a substrate processing apparatus including: a substrate processing room; a plasma generation room; a gas supplier supplying a gas into the plasma generation room; a first coil surrounding the plasma generation room and to which an electric power is supplied; and a second coil surrounding the plasma generation room and to which an electric power is supplied. An axial direction of the second coil is equal to that of the first coil, a winding diameter of the second coil is different from that of the first coil, and a peak of a voltage distribution generated by supplying the electric power to the second coil does not overlap with a peak of a voltage distribution generated by the first coil.
    Type: Grant
    Filed: November 28, 2022
    Date of Patent: March 5, 2024
    Assignee: Kokusai Electric Corporation
    Inventors: Teruo Yoshino, Naofumi Ohashi, Tadashi Takasaki
  • Publication number: 20230360942
    Abstract: Described is a technique capable of optimizing a timing of a maintenance process.
    Type: Application
    Filed: July 14, 2023
    Publication date: November 9, 2023
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Yasuhiro MIZUGUCHI, Naofumi OHASHI, Tadashi TAKASAKI, Shun MATSUI
  • Publication number: 20230359175
    Abstract: There is provided a technique that includes a load port on which a plurality of storage containers, each storage container storing a plurality of substrates, are mounted, a plurality of process chambers configured to be capable of accommodating the substrates, a transfer part configured to transfer the substrates stored in each storage container to each of the process chambers; an operation part configured to, when performing the process in a state in which a substrate is not present in each process chamber, count first count data of data tables for corresponding process chambers; a memory configured to store the data tables; and a controller configured to assign first transfer flag data to a data table of a process chamber having largest first count data and configured to control the transfer part based on the first transfer flag data so as to transfer the substrates in the predetermined order.
    Type: Application
    Filed: July 20, 2023
    Publication date: November 9, 2023
    Applicant: Kokusai Electric Corporation
    Inventors: Naofumi OHASHI, Toshiyuki KIKUCHI, Shun MATSUI, Tadashi TAKASAKI
  • Patent number: 11749550
    Abstract: Described herein is a technique capable of optimizing a timing of a maintenance process. According to one aspect of the technique of the present disclosure, there is provided a method of manufacturing a semiconductor device including: (a) transferring a substrate to a process chamber, and performing a substrate processing; (b) receiving maintenance reservation information of the process chamber wherein a maintenance timing at which the process chamber enters into a maintenance enable state is determined by the maintenance reservation information; and (c) continuously performing the substrate processing after the maintenance reservation information is received in (b) until the substrate processing in the process chamber related to the maintenance reservation information is completed, stopping one or more substrates including the substrate from being transferred into the process chamber, and thereafter setting the process chamber to the maintenance enable state.
    Type: Grant
    Filed: December 20, 2021
    Date of Patent: September 5, 2023
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Yasuhiro Mizuguchi, Naofumi Ohashi, Tadashi Takasaki, Shun Matsui
  • Patent number: 11747789
    Abstract: A substrate processing apparatus includes a plurality of storage containers mounted on a load port, each storage container storing a plurality of substrates; a plurality of process chambers for accommodating the substrates; a transfer part for transferring the substrates; a memory for storing data tables, including first count data, for the process chambers; an operation part, when multiple substrates in the first storage container is transferred to the process chambers in a predetermined order and performs a predetermined process in the process chambers in a state in which no substrate is present in a first process chamber, counting first count data for the first process chamber; and a controller assigns flag data to a data table of a process chamber having largest first count data and when multiple substrates in the second storage container is transferred, control the transfer part based on the flag data from a different process chamber.
    Type: Grant
    Filed: April 20, 2022
    Date of Patent: September 5, 2023
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Naofumi Ohashi, Toshiyuki Kikuchi, Shun Matsui, Tadashi Takasaki
  • Publication number: 20230139945
    Abstract: There is provided a technique capable of improving a uniformity of a substrate processing on a substrate surface. According to one aspect thereof, there is provided a substrate processing apparatus including: a substrate processing room; a plasma generation room; a gas supplier supplying a gas into the plasma generation room; a first coil surrounding the plasma generation room and to which an electric power is supplied; and a second coil surrounding the plasma generation room and to which an electric power is supplied. An axial direction of the second coil is equal to that of the first coil, a winding diameter of the second coil is different from that of the first coil, and a peak of a voltage distribution generated by supplying the electric power to the second coil does not overlap with a peak of a voltage distribution generated by the first coil.
    Type: Application
    Filed: November 28, 2022
    Publication date: May 4, 2023
    Inventors: Teruo YOSHINO, Naofumi OHASHI, Tadashi TAKASAKI
  • Publication number: 20230073084
    Abstract: A technique capable of improving uniformity of characteristics of a film formed on a surface of a substrate by a rotary type apparatus. According to one aspect a substrate processing apparatus is provided including: a process chamber for processing a substrate; a substrate support in the process chamber and including a plurality of placement parts for placing the substrate; a rotating part to rotate the substrate support; a heater provided below or within the substrate support; a first nozzle above the placement parts so as to face the placement parts and including a first portion with no hole to thermally decompose a process gas; and a second nozzle above the placement parts and parallel with the first nozzle and including a second portion with no hole to thermally decompose the process gas; and controller for controlling a positional relationship between the substrate and first nozzle via the rotating part.
    Type: Application
    Filed: November 15, 2022
    Publication date: March 9, 2023
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Naofumi OHASHI, Hidehiro YANAI, Tadashi TAKASAKI
  • Patent number: 11538661
    Abstract: There is provided a technique capable of improving a uniformity of a substrate processing on a substrate surface. According to one aspect thereof, there is provided a substrate processing apparatus including: a substrate processing room; a plasma generation room; a gas supplier supplying a gas into the plasma generation room; a first coil surrounding the plasma generation room and to which an electric power is supplied; and a second coil surrounding the plasma generation room and to which an electric power is supplied. An axial direction of the second coil is equal to that of the first coil, a winding diameter of the second coil is different from that of the first coil, and a peak of a voltage distribution generated by supplying the electric power to the second coil does not overlap with a peak of a voltage distribution generated by the first coil.
    Type: Grant
    Filed: March 11, 2022
    Date of Patent: December 27, 2022
    Assignee: Kokusai Electric Corporation
    Inventors: Teruo Yoshino, Naofumi Ohashi, Tadashi Takasaki
  • Patent number: 11530481
    Abstract: Described herein is a technique capable of improving a uniformity of the characteristics of a film formed on a surface of a substrate by a rotary type apparatus. According to one aspect of the technique, there is provided a substrate processing apparatus including: a process chamber in which a substrate is processed; a substrate support provided in the process chamber and including a plurality of placement parts on which the substrate is placed; a main nozzle provided so as to face a placement part among the plurality of the placement parts and including a first portion where no hole is provided so as to thermally decompose a process gas; and an auxiliary nozzle provided so as to face the placement part and including a second portion where no hole is provided so as to thermally decompose the process gas.
    Type: Grant
    Filed: August 5, 2020
    Date of Patent: December 20, 2022
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Naofumi Ohashi, Hidehiro Yanai, Tadashi Takasaki
  • Publication number: 20220360822
    Abstract: There is provided a technique that includes at least one substrate processing apparatuses configured to process a substrate and comprising a first controller that is capable of controlling transmission of at least one type of data; a second controller that is capable of controlling operation of the at least one substrate processing apparatus; and a relay capable of receiving the data from at least one first controller and adjusting, when transmitting the data to the second controller, a reception interval from the first controller and a transmission interval to the second controller to be different from each other.
    Type: Application
    Filed: July 21, 2022
    Publication date: November 10, 2022
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Yasuhiro MIZUGUCHI, Shun MATSUI, Tadashi TAKASAKI, Naofumi OHASHI
  • Publication number: 20220282369
    Abstract: There is provided a technique that includes: a process container processing one or more substrates; a support installed inside the process container and supporting the substrates on plane of the support; a first gas supplier capable of supplying first gas to first domain set in the process container; a second gas supplier capable of supplying second gas to second domain set in the process container; an exhaust buffer structure installed along outer circumference of the support; a first gas exhauster connected to the exhaust buffer structure and installed at downstream side of a flow of the first gas supplied from the first gas supplier; a second gas exhauster connected to the exhaust buffer structure and installed at a downstream side of a flow of the second gas supplied from the second gas supplier; and a third gas supplier capable of supplying a cleaning gas to the exhaust buffer structure.
    Type: Application
    Filed: February 28, 2022
    Publication date: September 8, 2022
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Yoshihiko YANAGISAWA, Naofumi OHASHI, Tadashi TAKASAKI, Shun MATSUI
  • Patent number: 11422528
    Abstract: There is provided a technique that includes a plurality of substrate processing apparatuses each configured to process a substrate; a first controller installed in each substrate processing apparatus among the plurality of substrate processing apparatuses and configured to control the substrate processing apparatus; a relay configured to receive a plurality of types of data from the first controller; and a second controller configured to receive the data from the relay, wherein the relay is configured to change a transmission interval of the data to the second controller according to one of each type of the data and each first controller, or according to both of each type of the data and each first controller.
    Type: Grant
    Filed: July 1, 2020
    Date of Patent: August 23, 2022
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Yasuhiro Mizuguchi, Shun Matsui, Tadashi Takasaki, Naofumi Ohashi
  • Publication number: 20220244707
    Abstract: A substrate processing apparatus includes a plurality of storage containers mounted on a load port, each storage container storing a plurality of substrates; a plurality of process chambers for accommodating the substrates; a transfer part for transferring the substrates; a memory for storing data tables, including first count data, for the process chambers; an operation part, when multiple substrates in the first storage container is transferred to the process chambers in a predetermined order and performs a predetermined process in the process chambers in a state in which no substrate is present in a first process chamber, counting first count data for the first process chamber; and a controller assigns flag data to a data table of a process chamber having largest first count data and when multiple substrates in the second storage container is transferred, control the transfer part based on the flag data from a different process chamber.
    Type: Application
    Filed: April 20, 2022
    Publication date: August 4, 2022
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Naofumi OHASHI, Toshiyuki KIKUCHI, Shun MATSUI, Tadashi TAKASAKI
  • Publication number: 20220230897
    Abstract: Described herein is a technique capable of reducing an amount of moisture in a low temperature region in a substrate processing apparatus provided with a transfer chamber. According to one aspect of the technique, there is provided a substrate processing apparatus including: a process chamber provided with a heater; a load lock chamber; a transfer chamber provided between the process chamber and the load lock chamber and including a first region provided adjacent to the process chamber and a second region provided more adjacent to the load lock chamber than the first region and whose temperature is lower than a temperature of the first region; a detector capable of detecting an amount of moisture in the transfer chamber; and an inert gas supplier capable of supplying an inert gas toward the second region in the transfer chamber.
    Type: Application
    Filed: March 18, 2021
    Publication date: July 21, 2022
    Applicant: Kokusai Electric Corporation
    Inventors: Teruo Yoshino, Naofumi Ohashi, Tadashi Takasaki
  • Patent number: 11380540
    Abstract: There is provided a technique that includes: substrate mounting plate where substrates are arranged circumferentially; rotator rotating the substrate mounting plate; gas supply structure disposed above the substrate mounting plate from center to outer periphery thereof; gas supplier including the gas supply structure and controlling supply amount of gas supplied from the gas supply structure; gas exhaust structure installed above the substrate mounting plate at downstream side of the gas supply structure in rotation direction; gas exhauster including the gas exhaust structure and controlling exhaust amount of gas exhausted from the gas exhaust structure; and gas main component amount controller including the gas supplier and the gas exhauster and controlling gas main component amount in the gas supplied from the gas supply structure to the substrates and the gas main component amount in the gas supplied to the substrates from the center to the outer periphery of the mounting plate.
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: July 5, 2022
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Takashi Nakagawa, Yoshiro Hirose, Naofumi Ohashi, Tadashi Takasaki
  • Patent number: 11355372
    Abstract: Described herein is a technique capable of optimizing a timing of a maintenance process. According to one aspect of the technique of the present disclosure, there is provided a method of manufacturing a semiconductor device including: (a) transferring a substrate from a storage container storing one or more substrates including the substrate to a process chamber, and performing a substrate processing; (b) receiving maintenance reservation information of the process chamber; and (c) continuously performing the substrate processing after the maintenance reservation information is received in (b) until the substrate processing in the process chamber related to the maintenance reservation information is completed, and setting the process chamber to a maintenance enable state after the substrate processing is completed by stopping the one or more substrates from being transferred into the process chamber.
    Type: Grant
    Filed: February 21, 2020
    Date of Patent: June 7, 2022
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Yasuhiro Mizuguchi, Naofumi Ohashi, Tadashi Takasaki, Shun Matsui
  • Patent number: 11342212
    Abstract: Described herein is a technique capable of optimizing a timing of a maintenance process. According to one aspect of the technique of the present disclosure, there is provided a method of manufacturing a semiconductor device including: (a) transferring a substrate from a storage container storing one or more substrates including the substrate to a process chamber, and performing a substrate processing; (b) receiving maintenance reservation information of the process chamber; and (c) continuously performing the substrate processing after the maintenance reservation information is received in (b) until the substrate processing in the process chamber related to the maintenance reservation information is completed, and setting the process chamber to a maintenance enable state after the substrate processing is completed by stopping the one or more substrates from being transferred into the process chamber.
    Type: Grant
    Filed: February 26, 2020
    Date of Patent: May 24, 2022
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Yasuhiro Mizuguchi, Naofumi Ohashi, Tadashi Takasaki, Shun Matsui
  • Patent number: 11314234
    Abstract: There is provided a technique that includes a load port on which a plurality of storage containers, each storage container storing a plurality of substrates, are mounted, a plurality of process chambers configured to be capable of accommodating the substrates, a transfer part configured to transfer the substrates stored in each storage container to each of the process chambers; an operation part configured to, when performing the process in a state in which a substrate is not present in each process chamber, count first count data of data tables for corresponding process chambers; a memory configured to store the data tables; and a controller configured to assign first transfer flag data to a data table of a process chamber having largest first count data and configured to control the transfer part based on the first transfer flag data so as to transfer the substrates in the predetermined order.
    Type: Grant
    Filed: July 31, 2019
    Date of Patent: April 26, 2022
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Naofumi Ohashi, Toshiyuki Kikuchi, Shun Matsui, Tadashi Takasaki