Patents by Inventor Hideki Yuasa
Hideki Yuasa 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: 12129544Abstract: The cleaning method according to an embodiment of the present invention is for cleaning a plasma processing apparatus that performs a plasma processing on a substrate. This cleaning method includes: forming a protective film; and cleaning. The forming the protective film involves forming the protective film in a plasma generation region by generating plasma while supplying a film-forming gas into a processing container in which a processing space including the plasma generation region and a diffusion region is formed. The cleaning involves cleaning an interior of the processing container in which the protective film has been formed by generating plasma while supplying a cleaning gas into the processing container.Type: GrantFiled: March 29, 2021Date of Patent: October 29, 2024Assignee: TOKYO ELECTRON LIMITEDInventors: Yoshiyuki Kondo, Yutaka Fujino, Hiroyuki Ikuta, Hideki Yuasa
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Patent number: 12077865Abstract: A film forming method of forming a film on a substrate by using a film forming apparatus including a processing container, and a stage provided in an interior of the processing container to place the substrate thereon and in which aluminum is contained, includes: forming a film continuously on one substrate or on a plurality of substrates by supplying a gas for film formation to the interior of the processing container while heating the substrate placed on the stage; cleaning the interior of the processing container with a fluorine-containing gas in a state in which the substrate is unloaded from the processing container; and performing a post-process by generating plasma of an oxygen- and hydrogen-containing-gas in the interior of the processing container, wherein the forming the film, the cleaning the interior of the processing container, and the performing the post-process are repeatedly performed.Type: GrantFiled: August 19, 2022Date of Patent: September 3, 2024Assignee: Tokyo Electron LimitedInventors: Hideki Yuasa, Hiroyuki Ikuta, Yutaka Fujino, Makoto Wada, Hirokazu Ueda
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Patent number: 12060641Abstract: A film forming method includes: placing a substrate on which a pattern, which includes a plurality of convex and concave portions, is formed on a stage disposed inside a chamber; and selectively forming a silicon-containing film on the plurality of convex portions of the pattern by applying a bias power to the stage and introducing microwaves into the chamber while supplying a processing gas containing a silicon-containing gas and a nitrogen-containing gas into the chamber to generate plasma, wherein the selectively forming the silicon-containing film includes a first film formation of forming a silicon-containing film around upper sides of the plurality of convex portions and a second film formation of forming a silicon-containing film on upper portions of the plurality of convex portions.Type: GrantFiled: January 18, 2022Date of Patent: August 13, 2024Assignee: TOKYO ELECTRON LIMITEDInventors: Hirokazu Ueda, Hideki Yuasa, Yutaka Fujino, Yoshiyuki Kondo, Hiroyuki Ikuta
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Publication number: 20230220545Abstract: The cleaning method according to an embodiment of the present invention is for cleaning a plasma processing apparatus that performs a plasma processing on a substrate. This cleaning method includes: forming a protective film; and cleaning. The forming the protective film involves forming the protective film in a plasma generation region by generating plasma while supplying a film-forming gas into a processing container in which a processing space including the plasma generation region and a diffusion region is formed. The cleaning involves cleaning an interior of the processing container in which the protective film has been formed by generating plasma while supplying a cleaning gas into the processing container.Type: ApplicationFiled: March 29, 2021Publication date: July 13, 2023Inventors: Yoshiyuki KONDO, Yutaka FUJINO, Hiroyuki IKUTA, Hideki YUASA
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Publication number: 20230062105Abstract: A film forming method includes repeatedly performing: forming a film on one substrate or consecutively on a plurality of substrates by supplying a film formation gas into a processing container while heating the substrate on a stage; cleaning an interior of the processing container by a fluorine-containing gas by setting a temperature of the stage to a first temperature at which a vapor pressure of an aluminum fluoride becomes lower than a control pressure in the processing container in a state in which the substrate is unloaded from the processing container; and performing a precoating continuously to the cleaning the interior of the processing container such that a precoat film is formed on at least a surface of the stage by setting the temperature of the stage to a second temperature at which the vapor pressure of the aluminum fluoride becomes lower than the control pressure in the processing container.Type: ApplicationFiled: August 19, 2022Publication date: March 2, 2023Inventors: Makoto WADA, Yutaka FUJINO, Hiroyuki IKUTA, Hideki YUASA, Hirokazu UEDA
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Publication number: 20230061151Abstract: A film forming method of forming a film on a substrate by using a film forming apparatus including a processing container, and a stage provided in an interior of the processing container to place the substrate thereon and in which aluminum is contained, includes: forming a film continuously on one substrate or on a plurality of substrates by supplying a gas for film formation to the interior of the processing container while heating the substrate placed on the stage; cleaning the interior of the processing container with a fluorine-containing gas in a state in which the substrate is unloaded from the processing container; and performing a post-process by generating plasma of an oxygen- and hydrogen-containing-gas in the interior of the processing container, wherein the forming the film, the cleaning the interior of the processing container, and the performing the post-process are repeatedly performed.Type: ApplicationFiled: August 19, 2022Publication date: March 2, 2023Inventors: Hideki YUASA, Hiroyuki IKUTA, Yutaka FUJINO, Makoto WADA, Hirokazu UEDA
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Publication number: 20220235462Abstract: A film forming method includes: placing a substrate on which a pattern, which includes a plurality of convex and concave portions, is formed on a stage disposed inside a chamber; and selectively forming a silicon-containing film on the plurality of convex portions of the pattern by applying a bias power to the stage and introducing microwaves into the chamber while supplying a processing gas containing a silicon-containing gas and a nitrogen-containing gas into the chamber to generate plasma, wherein the selectively forming the silicon-containing film includes a first film formation of forming a silicon-containing film around upper sides of the plurality of convex portions and a second film formation of forming a silicon-containing film on upper portions of the plurality of convex portions.Type: ApplicationFiled: January 18, 2022Publication date: July 28, 2022Inventors: Hirokazu UEDA, Hideki YUASA, Yutaka FUJINO, Yoshiyuki KONDO, Hiroyuki IKUTA
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Publication number: 20220037124Abstract: A plasma processing apparatus for generating plasma from a processing gas using microwaves and performing plasma processing on a substrate is provided. The apparatus includes a processing chamber having a substrate support on which the substrate is placed; a plurality of microwave radiation units arranged at a central portion and an outer peripheral portion of a ceiling wall of the processing chamber and configured to radiate microwaves; and a controller configured to complete microwave radiation from the microwave radiation unit in the central portion upon completion of plasma processing of the substrate and then complete microwave radiation from the microwave radiation units in the outer peripheral portion.Type: ApplicationFiled: July 29, 2021Publication date: February 3, 2022Inventors: Satoshi ITOH, Hiroyuki IKUTA, Yoshiyuki KONDO, Hideki YUASA, Soudai EMORI
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Patent number: 8647714Abstract: In a nickel film forming method, an initial Ni film is formed on a substrate by a chemical vapor deposition (CVD) process by using a nickel-containing compound having a molecular structure in which a ligand containing a nitrogen-carbon bond is included and nitrogen of the ligand coordinates with nickel as a film forming source material and at least one selected from ammonia, hydrazine, and derivatives thereof as a reduction gas. Further, a main Ni film is formed on the initial Ni film by CVD by using the nickel-containing compound as the film forming source material and hydrogen gas as the reduction gas.Type: GrantFiled: August 30, 2012Date of Patent: February 11, 2014Assignee: Tokyo Electron LimitedInventor: Hideki Yuasa
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Publication number: 20130141107Abstract: A battery inspection apparatus includes: a battery inspection table having a plurality of inspection units each for inspecting a rechargeable battery; and a controller that is provided separately from the battery inspection table and configured to control the battery inspection table. Each of the inspection units includes: a contactor for inspection configured to contact a corresponding battery; and a measurement circuit that is connected to the contactor and configured to generate an analog measured signal by measuring at least one of a current, voltage, and temperature, based on an input from the contactor. The battery inspection table has a control board mounted, the control board being configured to convert the analog measured signal generated by each of the inspection units into a digital signal to output to a common communication cable, and the communication cable connects the control board and the controller together.Type: ApplicationFiled: November 19, 2012Publication date: June 6, 2013Inventor: Hideki Yuasa
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Publication number: 20130059079Abstract: In a nickel film forming method, an initial Ni film is formed on a substrate by a chemical vapor deposition (CVD) process by using a nickel-containing compound having a molecular structure in which a ligand containing a nitrogen-carbon bond is included and nitrogen of the ligand coordinates with nickel as a film forming source material and at least one selected from ammonia, hydrazine, and derivatives thereof as a reduction gas. Further, a main Ni film is formed on the initial Ni film by CVD by using the nickel-containing compound as the film forming source material and hydrogen gas as the reduction gas.Type: ApplicationFiled: August 30, 2012Publication date: March 7, 2013Applicant: TOKYO ELECTRON LIMITEDInventor: Hideki YUASA
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Publication number: 20120183689Abstract: A Ni film forming method performs a cycle once or multiple times. The cycle includes: forming a nitrogen-containing Ni film on a substrate by CVD using nickel amidinate as a film formation material and at least one selected from ammonia, hydrazine and derivatives thereof as a reduction gas; and eliminating nitrogen from the nitrogen-containing Ni film by atomic hydrogen which is generated by using as a catalyst Ni produced by supplying hydrogen gas to the nitrogen-containing Ni film.Type: ApplicationFiled: September 28, 2010Publication date: July 19, 2012Applicant: TOKYO ELECTRON LIMITEDInventors: Mikio Suzuki, Takashi Nishimori, Hideki Yuasa
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Publication number: 20120171863Abstract: There is provided a metal silicide film forming method that includes providing a substrate having thereon a silicon part (process 1); forming a metal film on a surface of the silicon part of the substrate by a CVD process using a nitrogen-containing metal compound as a film forming source material (process 2); performing an annealing process on the substrate under a hydrogen gas atmosphere; and forming a metal silicide by a reaction between the metal film and the silicon part (process 3). Here, the nitrogen-containing metal compound as the film forming source material is metal amidinate. Further, the metal film is a nickel (Ni) film. Furthermore, the metal amidinate is nickel amidinate.Type: ApplicationFiled: March 9, 2012Publication date: July 5, 2012Applicant: TOKYO ELECTRON LIMITEDInventors: Mikio Suzuki, Takashi Nishimori, Hideki Yuasa