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).
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Patent number: 11305986Abstract: There is provided a technique for improving a resistance of a film to vibration in a semiconductor device having a vibrating film, including at least: forming a first silicon oxide film; forming a first silicon nitride film; forming a second silicon oxide film; and forming a second silicon nitride film, and each film formation is performed using a substrate processing apparatus configured to supply gas to a process chamber including upper and bottom electrodes, and selectively supply high frequency power or low frequency power to each of the upper and bottom electrodes by switching.Type: GrantFiled: February 21, 2020Date of Patent: April 19, 2022Assignee: KOKUSAI ELECTRIC CORPORATIONInventors: Takashi Yahata, Naofumi Ohashi, Tadashi Takasaki
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Publication number: 20220115254Abstract: 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: ApplicationFiled: December 20, 2021Publication date: April 14, 2022Applicant: KOKUSAI ELECTRIC CORPORATIONInventors: Yasuhiro MIZUGUCHI, Naofumi OHASHI, Tadashi TAKASAKI, Shun MATSUI
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Patent number: 11289350Abstract: There is provided a technique that includes (a) performing a heating process on a substrate in a process chamber, (b) transferring the substrate between the process chamber and a load lock chamber connected to a vacuum transfer chamber by a transfer robot installed in the vacuum transfer chamber connected to the process chamber, and (c) reading transfer information corresponding to process information applied to the substrate from a memory device in which plural pieces of the process information on a process content of the substrate and plural pieces of the transfer information of the transfer robot corresponding to the plural pieces of the process information are recorded, and controlling the transfer robot to transfer the substrate based on the read transfer information.Type: GrantFiled: September 10, 2019Date of Patent: March 29, 2022Assignee: KOKUSAI ELECTRIC CORPORATIONInventors: Yukinori Aburatani, Takashi Yahata, Tadashi Takasaki, Naofumi Ohashi, Shun Matsui, Keita Ichimura
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Publication number: 20220093447Abstract: Some embodiments of the present disclosure provide a technique capable of reducing an amount of deposits on a back surface of a rotary table. According to one aspect thereof, there is provided a technique that includes: a process chamber provided with process regions; a rotary table configured to rotate a substrate about a point outside the substrate such that the substrate sequentially passes through the process regions; and a rotator configured to rotate the rotary table, wherein the process regions include: a first region in which a process gas is supplied; and a second region in which an inert gas is supplied, and wherein a space corresponding to the second region below the rotary table is configured such that a pressure at the space corresponding to the second region below the rotary table is higher than a pressure at a space corresponding to the first region below the rotary table.Type: ApplicationFiled: September 20, 2021Publication date: March 24, 2022Applicant: Kokusai Electric CorporationInventors: Naofumi OHASHI, Toshiyuki KIKUCHI, Tadashi TAKASAKI
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Publication number: 20220090264Abstract: There is provided a technique that includes: a plurality of process chambers in which substrates are processed; a gas supplier configured to supply a gas to the process chambers; a plurality of process chamber exhaust pipes respectively connected to the plurality of process chambers; a common gas exhaust pipe disposed such that the respective process chamber exhaust pipes join together at downstream sides of the process chamber exhaust pipes; at least one detector configured to detect states of pressures in the process chamber exhaust pipes; and a plurality of inert gas supply pipes respectively connected to the process chamber exhaust pipes and configured to supply an inert gas into the process chamber exhaust pipes.Type: ApplicationFiled: March 22, 2021Publication date: March 24, 2022Applicant: KOKUSAI ELECTRIC CORPORATIONInventors: Takashi YAHATA, Naofumi OHASHI, Tadashi TAKASAKI
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Publication number: 20220090263Abstract: Described herein is a technique capable of exhausting the inner atmosphere of the gas supply pipe of the process vessel while preventing the exhaust gas from accumulating therein. According to one aspect thereof, there is provided a substrate processing system including: process vessels; a gas supply pipe connected to each process vessel; a first exhauster configured to exhaust inner atmospheres of the process vessels; a second exhauster provided separately from the first exhauster and connected to the gas supply pipe through a first switching valve; and a controller enabling to: (a) process the substrate by supplying the process gas through the gas supply pipe to a process vessel among the plurality of the process vessels; and (b) exhaust the process gas from the gas supply pipe to the second exhauster without suppling the process gas from the gas supply pipe to the process vessel.Type: ApplicationFiled: March 18, 2021Publication date: March 24, 2022Inventors: Takashi YAHATA, Shun MATSUI, Naofumi OHASHI, Tadashi TAKASAKI
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Patent number: 11104995Abstract: Disclosed is a substrate processing apparatus capable of improving the characteristic of a film formed on the surface of a wafer, using a single-wafer type substrate processing apparatus which heats and processes a wafer. The substrate processing apparatus may include: a processing vessel where a substrate is processed; a substrate supporter including: a first heater configured to heat the substrate to a first temperature; and a substrate placing surface where the substrate is placed; a heated gas supply system including a second heater configured to heat an inert gas, wherein the heated gas supply system is configured to supply a heated inert gas into the processing vessel; and a controller configured to control the first heater and the second heater such that a temperature of a front surface of the substrate and a temperature of a back surface of the substrate are in a predetermined range.Type: GrantFiled: March 13, 2017Date of Patent: August 31, 2021Assignee: Kokusai Electric CorporationInventors: Takashi Yahata, Satoshi Takano, Kazuyuki Toyoda, Naofumi Ohashi, Tadashi Takasaki
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Patent number: 10978361Abstract: There is provided a technique of manufacturing a semiconductor device, including: by a processing performing part, processing a substrate based on setting parameter corresponding to process recipe stored in a controller; by a first transceiver, transmitting measurement value of the processing performing part to the controller; by the controller, causing a learning part to perform machine learning process on the measurement value received from the first transceiver as learning data; by the controller, after the act of causing the learning part to perform the machine learning process, generating update data for updating the setting parameter; by the controller, causing an arithmetic part to generate update parameter for updating the setting parameter based on the update data; by the controller, causing a second transceiver to transmit the update parameter to the first transceiver; and by the updating part, updating the setting parameter based on the update parameter received from the controller.Type: GrantFiled: August 1, 2019Date of Patent: April 13, 2021Assignee: KOKUSAI ELECTRIC CORPORATIONInventors: Takafumi Sasaki, Kazuhiro Morimitsu, Naofumi Ohashi, Tadashi Takasaki, Shun Matsui
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Patent number: 10978310Abstract: Described herein is a technique capable of improving a quality of a substrate processing. According to one aspect of the technique described herein, there is provided a method of manufacturing a semiconductor device including: (a) receiving substrate data including at least one of a stacked number of layers of a device formed on a substrate and a structure of the device; (b) setting an apparatus parameter corresponding to the substrate data; (c) supporting the substrate corresponding to the substrate data above a substrate support; (d) elevating a temperature of the substrate based on the apparatus parameter while the substrate is separated from a surface of the substrate support; (e) placing the substrate on the substrate support after (d); and (f) processing the substrate in a process chamber.Type: GrantFiled: March 6, 2019Date of Patent: April 13, 2021Assignee: Kokusai Electric CorporationInventors: Tsukasa Kamakura, Mitsuro Tanabe, Naofumi Ohashi, Eisuke Nishitani, Tadashi Takasaki, Shun Matsui
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Publication number: 20210098250Abstract: 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: ApplicationFiled: March 11, 2020Publication date: April 1, 2021Applicant: KOKUSAI ELECTRIC CORPORATIONInventors: Takashi NAKAGAWA, Yoshiro HIROSE, Naofumi OHASHI, Tadashi TAKASAKI
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Publication number: 20210098251Abstract: 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: ApplicationFiled: March 23, 2020Publication date: April 1, 2021Applicant: KOKUSAI ELECTRIC CORPORATIONInventors: Takashi NAKAGAWA, Yoshiro HIROSE, Naofumi OHASHI, Tadashi TAKASAKI
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Patent number: 10964531Abstract: 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: GrantFiled: March 23, 2020Date of Patent: March 30, 2021Assignee: KOKUSAI ELECTRIC CORPORATIONInventors: Takashi Nakagawa, Yoshiro Hirose, Naofumi Ohashi, Tadashi Takasaki
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Publication number: 20210079525Abstract: 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: ApplicationFiled: August 5, 2020Publication date: March 18, 2021Applicant: KOKUSAI ELECTRIC CORPORATIONInventors: Naofumi OHASHI, Hidehiro YANAI, Tadashi TAKASAKI
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Publication number: 20210071297Abstract: Described herein is a technique capable of enhancing uniformity of a film formed by a rotary type apparatus. According to one aspect of the technique, there is provided a substrate processing apparatus including: a process vessel provided with process regions where the substrate is processed; a rotary table provided in the process vessel to be rotatable about a point outside the substrate to enable the substrate on the rotary table to sequentially pass through the process regions; and a gas supply nozzle including: a forward path portion provided in at least one of the process regions and extending from a wall of the process vessel toward a center portion of the rotary table; and a return path portion connected with the forward path portion via a bent portion and extending from the center portion of the rotary table toward the wall of the process vessel.Type: ApplicationFiled: March 9, 2020Publication date: March 11, 2021Applicant: KOKUSAI ELECTRIC CORPORATIONInventors: Hidehiro YANAI, Tadashi TAKASAKI
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Patent number: 10934622Abstract: A substrate processing apparatus includes a heat storage part on which a substrate is mounted, a tray including the heat storage part, a substrate transfer part including a rotary shaft and a rotating plate supported by the rotary shaft and being configured such that the tray can be mounted on the rotating plate, a plurality of bases arranged circumferentially around the rotary shaft; and a heater provided for each of the bases.Type: GrantFiled: January 9, 2018Date of Patent: March 2, 2021Assignee: KOKUSAI ELECTRIC CORPORATIONInventors: Teruo Yoshino, Naofumi Ohashi, Tadashi Takasaki, Shun Matsui
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Patent number: 10930533Abstract: Described herein is a technique capable of capable of managing a substrate processing apparatus efficiently. According to one aspect of the technique described herein, there is provided a substrate processing apparatus including: a process chamber where a substrate is processed; a position information acquisition part configured to acquire position information of the process chamber; a memory device configured to store the position information; and an information controller configured to cause the position information acquired by the position information acquisition part to be stored in the memory device and the position information stored in the memory device to be outputted.Type: GrantFiled: January 31, 2019Date of Patent: February 23, 2021Assignee: KOKUSAI ELECTRIC CORPORATIONInventors: Yasuhiro Mizuguchi, Naofumi Ohashi, Tadashi Takasaki, Shun Matsui
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Publication number: 20210028041Abstract: 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: ApplicationFiled: February 21, 2020Publication date: January 28, 2021Applicant: KOKUSAI ELECTRIC CORPORATIONInventors: Yasuhiro MIZUGUCHI, Naofumi OHASHI, Tadashi TAKASAKI, Shun MATSUI
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Publication number: 20210028042Abstract: 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: ApplicationFiled: February 26, 2020Publication date: January 28, 2021Applicant: KOKUSAI ELECTRIC CORPORATIONInventors: Yasuhiro MIZUGUCHI, Naofumi OHASHI, Tadashi TAKASAKI, Shun MATSUI
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Publication number: 20210003990Abstract: 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: ApplicationFiled: July 1, 2020Publication date: January 7, 2021Applicant: KOKUSAI ELECTRIC CORPORATIONInventors: Yasuhiro MIZUGUCHI, Shun MATSUI, Tadashi TAKASAKI, Naofumi OHASHI
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Publication number: 20200346924Abstract: There is provided a technique for improving a resistance of a film to vibration in a semiconductor device having a vibrating film, including at least: forming a first silicon oxide film; forming a first silicon nitride film; forming a second silicon oxide film; and forming a second silicon nitride film, and each film formation is performed using a substrate processing apparatus configured to supply gas to a process chamber including upper and bottom electrodes, and selectively supply high frequency power or low frequency power to each of the upper and bottom electrodes by switching.Type: ApplicationFiled: February 21, 2020Publication date: November 5, 2020Applicant: KOKUSAI ELECTRIC CORPORATIONInventors: Takashi YAHATA, Naofumi OHASHI, Tadashi TAKASAKI