Patents by Inventor Noriaki MICHITA
Noriaki MICHITA 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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Publication number: 20250006512Abstract: There is provided a technique capable of suppressing a heat diffusion. There is provided a technique that includes: a process chamber in which a substrate with a first film doped with a dopant and a second film different from the first film formed on the substrate is processed; an electromagnetic wave supplier configured to supply an electromagnetic wave to the substrate; and a controller configured to be capable of controlling the electromagnetic wave supplier to stop supplying the electromagnetic wave before the second film is heated while the dopant is being heated by the electromagnetic wave.Type: ApplicationFiled: March 21, 2024Publication date: January 2, 2025Applicant: Kokusai Electric CorporationInventors: Kazuya NABETA, Noriaki MICHITA
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Publication number: 20230307230Abstract: There is provided a technique that includes: loading a substrate in which a treatment target film and an action target film are formed into a process chamber; irradiating the action target film with an electromagnetic wave; and causing the action target film to generate heat by the irradiation with the electromagnetic wave and modifying the treatment target film with a directionality by heating the treatment target film with the heat generated by the action target film.Type: ApplicationFiled: March 20, 2023Publication date: September 28, 2023Applicant: Kokusai Electric CorporationInventors: Takashi NAKAGAWA, Shinya SASAKI, Noriaki MICHITA, Katsuhiko YAMAMOTO
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Publication number: 20230307267Abstract: According to the present disclosure, there is provided a technique capable of preventing a substrate from being warped or cracked due to a heat treatment process. According to one aspect thereof, there is provided a substrate processing apparatus including: a process chamber in which a plurality of substrates accommodated in a substrate retainer are processed; an electromagnetic wave generator configured to supply an electromagnetic wave into the process chamber; and a gas supplier configured to supply a cooling gas is supplied to between adjacent substrates among the plurality of substrates via a plurality of gas supply ports provided so as to correspond to an interval of the plurality of substrates accommodated in the substrate retainer.Type: ApplicationFiled: March 21, 2023Publication date: September 28, 2023Applicant: Kokusai Electric CorporationInventors: Katsuhiko YAMAMOTO, Shuhei SAIDO, Takashi NAKAGAWA, Yoshihiko YANAGISAWA, Shinya SASAKI, Noriaki MICHITA
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Publication number: 20230189407Abstract: There is provided a technique, which includes: a process chamber where a substrate is processed; a microwave oscillator configured to supply microwaves to the process chamber; and a controller configured to be capable of controlling the microwave oscillator to perform: a heating process where the substrate is heated with a first microwave, among the supplied microwaves, supplied at a first microwave power so that a process of supplying the first microwave during a supply time and a process of stopping the supply of the first microwave during a stop time shorter than the supply time are performed a predetermined number of times or for a first predetermined time; and a modifying process in which the substrate is supplied with a second microwave, among the supplied microwaves, at a second microwave power higher than the first microwave power for a second predetermined time while maintaining the second microwave power.Type: ApplicationFiled: February 13, 2023Publication date: June 15, 2023Applicant: Kokusai Electric CorporationInventors: Katsuhiko YAMAMOTO, Keishin Yamazaki, Shinya Sasaki, Noriaki Michita
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Publication number: 20220384206Abstract: There is provided a technique that include: a process chamber configured to process a substrate at which at least one target film and a heat assist film are formed; and an electromagnetic wave generator configured to supply an electromagnetic wave into the process chamber, wherein when the substrate is irradiated with the electromagnetic wave, the heat assist film generates heat and the at least one target film is modified by the heat.Type: ApplicationFiled: May 23, 2022Publication date: December 1, 2022Applicant: KOKUSAI ELECTRIC CORPORATIONInventors: Shinya Sasaki, Noriaki Michita, Katsuhiko Yamamoto, Takashi Nakagawa, Kazuhiro Yuasa
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Publication number: 20220093435Abstract: Described herein is a technique capable of uniformly processing a substrate. 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 microwave generator configured to supply a microwave to the process chamber to perform a heat treatment on the substrate; a substrate retainer configured to accommodate the substrate and a heat retainer provided above the substrate and retaining a temperature of the substrate heated by the microwave; and a first ring plate provided on an outer circumference of the heat retainer and whose outer diameter is greater than that of the substrate.Type: ApplicationFiled: September 15, 2021Publication date: March 24, 2022Applicant: KOKUSAI ELECTRIC CORPORATIONInventors: Kenji SHINOZAKI, Yoshihiko YANAGISAWA, Noriaki MICHITA, Shinya SASAKI, Shuhei SAIDO, Tetsuo YAMAMOTO
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Patent number: 11264253Abstract: There is provided a technique includes: a process chamber in which a substrate is processed; a plurality of microwave supply sources configured to supply predetermined microwaves for heating the substrate in the process chamber; and a controller configured to control the microwave supply sources such that while keeping constant a sum of outputs of the microwaves respectively supplied to the substrate from the plurality of microwave supply sources, at least one of the plurality of microwave supply sources is turned off, and periods in which the at least one of the plurality of microwave supply sources is turned off are different from each other.Type: GrantFiled: August 28, 2019Date of Patent: March 1, 2022Assignee: KOKUSAI ELECTRIC CORPORATIONInventors: Shinya Sasaki, Yukitomo Hirochi, Noriaki Michita
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Patent number: 11018033Abstract: There is provided a technique that includes a process chamber including a gate valve that opens and closes a loading and unloading port configured to load and unload a substrate, and configured to heat and process the substrate by a heater using a microwave; a substrate transfer chamber including a purge gas distribution mechanism configured to distribute a purge gas supplied from a clean unit capable of introducing the purge gas; a transfer machine installed inside the substrate transfer chamber and configured to transfer the substrate into the process chamber; and a substrate cooling mounting tool configured to cool the substrate transferred from the process chamber by the transfer machine.Type: GrantFiled: September 6, 2019Date of Patent: May 25, 2021Assignee: KOKUSAI ELECTRIC CORPORATIONInventors: Yukitomo Hirochi, Kazuhiro Yuasa, Tetsuo Yamamoto, Yoshihiko Yanagisawa, Shinya Sasaki, Noriaki Michita
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Patent number: 10804110Abstract: Described herein is a technique capable of heating a substrate uniformly by electromagnetic waves. According to one aspect of the technique, there is provided a substrate processing apparatus including: a process chamber where a substrate is processed; a heating device configured to heat the substrate by electromagnetic waves; a gas supply mechanism including a hydrogen-containing gas supply system configured to supply a hydrogen-containing gas into the process chamber; a plasma generator configured to excite the hydrogen-containing gas by plasma; and a controller configured to control the heating device, the gas supply mechanism and the plasma generator to modify the substrate by performing: (a) adding hydrogen atom to a surface of the substrate by supplying the hydrogen-containing gas excited by the plasma generator onto the substrate; and (b) intermittently supplying the electromagnetic waves to heat the substrate after performing (a).Type: GrantFiled: March 1, 2019Date of Patent: October 13, 2020Assignee: KOKUSAI ELECTRIC CORPORATIONInventors: Shinya Sasaki, Noriaki Michita
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Publication number: 20200013646Abstract: There is provided a technique includes: a process chamber in which a substrate is processed; a plurality of microwave supply sources configured to supply predetermined microwaves for heating the substrate in the process chamber; and a controller configured to control the microwave supply sources such that while keeping constant a sum of outputs of the microwaves respectively supplied to the substrate from the plurality of microwave supply sources, at least one of the plurality of microwave supply sources is turned off, and periods in which the at least one of the plurality of microwave supply sources is turned off are different from each other.Type: ApplicationFiled: August 28, 2019Publication date: January 9, 2020Applicant: KOKUSAI ELECTRIC CORPORATIONInventors: Shinya SASAKI, Yukitomo HIROCHI, Noriaki MICHITA
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Publication number: 20190393056Abstract: There is provided a technique that includes a process chamber including a gate valve that opens and closes a loading and unloading port configured to load and unload a substrate, and configured to heat and process the substrate by a heater using a microwave; a substrate transfer chamber including a purge gas distribution mechanism configured to distribute a purge gas supplied from a clean unit capable of introducing the purge gas; a transfer machine installed inside the substrate transfer chamber and configured to transfer the substrate into the process chamber; and a substrate cooling mounting tool configured to cool the substrate transferred from the process chamber by the transfer machine.Type: ApplicationFiled: September 6, 2019Publication date: December 26, 2019Applicant: KOKUSAI ELECTRIC CORPORATIONInventors: Yukitomo HIROCHI, Kazuhiro YUASA, Tetsuo YAMAMOTO, Yoshihiko YANAGISAWA, Shinya SASAKI, Noriaki MICHITA
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Patent number: 10381241Abstract: There is provide a technique that includes preparing a substrate, in which an insulating film is formed on a pattern having an aspect ratio of 20 or greater and a process target film having a thickness of 200 ? or smaller is formed on the insulating film, in a process chamber; raising a temperature of the substrate to a first temperature with an electromagnetic wave; crystallizing the process target film for a first process time period while maintaining the first temperature; raising the temperature of the substrate to a second temperature, which is higher than the first temperature, with the electromagnetic wave, after the act of crystallizing the process target film; and repairing a crystal defect of the crystallized process target film for a second process time period, which is shorter than the first process time period, while maintaining the second temperature.Type: GrantFiled: March 14, 2018Date of Patent: August 13, 2019Assignee: KOKUSAI ELECTRIC CORPORATIONInventors: Kazuhiro Yuasa, Noriaki Michita
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Publication number: 20190198331Abstract: Described herein is a technique capable of heating a substrate uniformly by electromagnetic waves. According to one aspect of the technique, there is provided a substrate processing apparatus including: a process chamber where a substrate is processed; a heating device configured to heat the substrate by electromagnetic waves; a gas supply mechanism including a hydrogen-containing gas supply system configured to supply a hydrogen-containing gas into the process chamber; a plasma generator configured to excite the hydrogen-containing gas by plasma; and a controller configured to control the heating device, the gas supply mechanism and the plasma generator to modify the substrate by performing: (a) adding hydrogen atom to a surface of the substrate by supplying the hydrogen-containing gas excited by the plasma generator onto the substrate; and (b) intermittently supplying the electromagnetic waves to heat the substrate after performing (a).Type: ApplicationFiled: March 1, 2019Publication date: June 27, 2019Applicant: KOKUSAI ELECTRIC CORPORATIONInventors: Shinya SASAKI, Noriaki MICHITA
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Publication number: 20180204735Abstract: There is provide a technique that includes preparing a substrate, in which an insulating film is formed on a pattern having an aspect ratio of 20 or greater and a process target film having a thickness of 200 ? or smaller is formed on the insulating film, in a process chamber; raising a temperature of the substrate to a first temperature with an electromagnetic wave; crystallizing the process target film for a first process time period while maintaining the first temperature; raising the temperature of the substrate to a second temperature, which is higher than the first temperature, with the electromagnetic wave, after the act of crystallizing the process target film; and repairing a crystal defect of the crystallized process target film for a second process time period, which is shorter than the first process time period, while maintaining the second temperature.Type: ApplicationFiled: March 14, 2018Publication date: July 19, 2018Applicant: HITACHI KOKUSAI ELECTRIC INC.Inventors: Kazuhiro YUASA, Noriaki MICHITA
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Patent number: 9748132Abstract: A substrate supporting member provided in a processing chamber for processing the substrate and configured to support the substrate, has on its upper surface, a protruding area that supports an edge side of the substrate from below; a recessed area provided inside of the protruding area so as not to be brought into contact with the substrate supported by the protruding area; and an auxiliary protruding area formed lower than the protruding area and provided in the recessed area, and has a flow passage that is communicated with inside of the recessed area, for escaping gas between the substrate and the substrate supporting member from the recessed area side.Type: GrantFiled: March 22, 2012Date of Patent: August 29, 2017Assignee: HITACHI KOKUSAI ELECTRIC INC.Inventors: Koichiro Harada, Noriaki Michita, Tatsushi Ueda, Takayuki Sato
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Publication number: 20120252220Abstract: A substrate supporting member provided in a processing chamber for processing the substrate and configured to support the substrate, has on its upper surface, a protruding area that supports an edge side of the substrate from below; a recessed area provided inside of the protruding area so as not to be brought into contact with the substrate supported by the protruding area; and an auxiliary protruding area formed lower than the protruding area and provided in the recessed area, and has a flow passage that is communicated with inside of the recessed area, for escaping gas between the substrate and the substrate supporting member from the recessed area side.Type: ApplicationFiled: March 22, 2012Publication date: October 4, 2012Applicant: HITACHI KOKUSAI ELECTRIC INC.Inventors: Koichiro HARADA, Noriaki MICHITA, Tatsushi UEDA, Takayuki SATO