Patents by Inventor Shintaro Aoyama
Shintaro Aoyama 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: 20250069819Abstract: An electrolytic capacitor includes a winding portion, an anode lead member, and a cathode lead member. The winding portion includes an anode foil and a cathode foil that are wound. The anode lead member is connected to the anode foil and extends in a first direction. The cathode lead member is connected to the cathode foil and extends in the first direction. The winding portion has a shape viewed in the first direction, the shape including a first peripheral region and a second peripheral region that are opposed to each other in a second direction intersecting the first direction, and a third peripheral region and a fourth peripheral region that are opposed to each other in a third direction intersecting the first direction and the second direction. The length of the winding portion in the third direction is larger than the length of the winding portion in the second direction.Type: ApplicationFiled: January 5, 2023Publication date: February 27, 2025Inventors: YUTA MATSUKI, YOUHEI ASHIMORI, TATSUJI AOYAMA, SHINTARO WAKIYAMA
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Patent number: 10886170Abstract: A method of forming a tungsten film having low resistance is provided. The method includes forming a discontinuous film containing a metal on a substrate; and forming the tungsten film on the substrate on which the discontinuous film is formed. In the forming of the discontinuous film, a first source gas and a nitriding gas are supplied onto the substrate alternately along with, for example, a carrier gas. In the forming of the tungsten film, a second source gas and a reducing gas are supplied onto the substrate alternately along with, for example, a carrier gas.Type: GrantFiled: April 24, 2018Date of Patent: January 5, 2021Assignee: TOKYO ELECTRON LIMITEDInventors: Koji Maekawa, Takashi Sameshima, Shintaro Aoyama, Mikio Suzuki, Susumu Arima, Atsushi Matsumoto, Naoki Shibata
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Patent number: 10612139Abstract: There is provided a tungsten film forming method which includes: forming a first tungsten film on a substrate; and forming a second tungsten film on the first tungsten film. The forming a first tungsten film includes alternately supplying a first raw material gas containing tungsten and a diborane gas together with a first carrier gas to the substrate. The forming a second tungsten film includes alternately supplying a second raw material gas containing tungsten and a hydrogen gas together with a second carrier gas to the substrate on which the first tungsten film is formed. The first carrier gas is a nitrogen gas. The second carrier gas includes at least one kind of nobel gas and has the noble gas at a flow rate of 70% or more with respect to a total flow rate of the second carrier gas.Type: GrantFiled: April 25, 2018Date of Patent: April 7, 2020Assignee: TOKYO ELECTRON LIMITEDInventors: Koji Maekawa, Takashi Sameshima, Shintaro Aoyama, Mikio Suzuki, Susumu Arima, Atsushi Matsumoto, Naoki Shibata
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Publication number: 20190161853Abstract: Provided is a method for forming a tungsten film in which a tungsten film is formed on the surface of a substrate, the method including: disposing a substrate having an amorphous layer on the surface thereof inside a treatment container under a depressurized atmosphere; heating the substrate inside the treatment container; and supplying, into the treatment container, WF6 gas which is a tungsten raw material and H2 gas which is a reducing gas, and forming a main tungsten film on the amorphous layer.Type: ApplicationFiled: July 11, 2017Publication date: May 30, 2019Inventors: Shintaro Aoyama, Mikio Suzuki, Yumiko Kawano, Kohichi Satoh
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Publication number: 20180312972Abstract: There is provided a tungsten film forming method which includes: forming a first tungsten film on a substrate; and forming a second tungsten film on the first tungsten film. The forming a first tungsten film includes alternately supplying a first raw material gas containing tungsten and a diborane gas together with a first carrier gas to the substrate. The forming a second tungsten film includes alternately supplying a second raw material gas containing tungsten and a hydrogen gas together with a second carrier gas to the substrate on which the first tungsten film is formed. The first carrier gas is a nitrogen gas. The second carrier gas includes at least one kind of inert gas and has a noble gas at a flow rate of 70% or more with respect to a total flow rate of the second carrier gas.Type: ApplicationFiled: April 25, 2018Publication date: November 1, 2018Inventors: Koji MAEKAWA, Takashi SAMESHIMA, Shintaro AOYAMA, Mikio SUZUKI, Susumu ARIMA, Atsushi MATSUMOTO, Naoki SHIBATA
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Publication number: 20180315649Abstract: A method of forming a tungsten film having low resistance is provided. The method includes forming a discontinuous film containing a metal on a substrate; and forming the tungsten film on the substrate on which the discontinuous film is formed. In the forming of the discontinuous film, a first source gas and a nitriding gas are supplied onto the substrate alternately along with, for example, a carrier gas. In the forming of the tungsten film, a second source gas and a reducing gas are supplied onto the substrate alternately along with, for example, a carrier gas.Type: ApplicationFiled: April 24, 2018Publication date: November 1, 2018Inventors: Koji Maekawa, Takashi Sameshima, Shintaro Aoyama, Mikio Suzuki, Susumu Arima, Atsushi Matsumoto, Naoki Shibata
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Patent number: 9418837Abstract: A semiconductor device manufacturing method that includes: forming a gate insulating film containing a hafnium oxide and a zirconium oxide on a workpiece having a source, a drain and a channel; and subjecting the gate insulating film to a crystallization heat treatment at a temperature of 600 degrees C. or less is provided. The gate insulating film subjected to the crystallization heat treatment has a relative permittivity of 27 or more.Type: GrantFiled: October 2, 2014Date of Patent: August 16, 2016Assignee: TOKYO ELECTRON LIMITEDInventors: Koji Akiyama, Hirokazu Higashijima, Chihiro Tamura, Shintaro Aoyama, Yu Wamura
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Publication number: 20150017813Abstract: A semiconductor device manufacturing method that includes: forming a gate insulating film containing a hafnium oxide and a zirconium oxide on a workpiece having a source, a drain and a channel; and subjecting the gate insulating film to a crystallization heat treatment at a temperature of 600 degrees C. or less is provided. The gate insulating film subjected to the crystallization heat treatment has a relative permittivity of 27 or more.Type: ApplicationFiled: October 2, 2014Publication date: January 15, 2015Inventors: Koji AKIYAMA, Hirokazu HIGASHIJIMA, Chihiro TAMURA, Shintaro AOYAMA, Yu WAMURA
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Publication number: 20140242808Abstract: A semiconductor device manufacturing method includes forming a first high-k insulating film on a processing target object; performing a crystallization heat-treatment process on the first high-k insulating film at a temperature equal to or higher than about 650° C. for a time less than about 60 seconds; and forming, on the first high-k insulating film, a second high-k insulating film containing a metal element having an ionic radius smaller than that of a metal element of the first high-k insulating film and having a relative permittivity higher than that of the first high-k insulating film.Type: ApplicationFiled: August 24, 2012Publication date: August 28, 2014Applicant: TOKYO ELECTRON LIMITEDInventors: Koji Akiyama, Hirokazu Higashijima, Chihiro Tamura, Shintaro Aoyama
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Patent number: 8722548Abstract: In one exemplary embodiment, a method includes: forming at least one first monolayer of first material on a surface of a substrate by performing a first plurality of cycles of atomic layer deposition; thereafter, annealing the formed at least one first monolayer of first material under a first inert atmosphere at a first temperature between about 650° C. and about 900° C.; thereafter, forming at least one second monolayer of second material by performing a second plurality of cycles of atomic layer deposition, where the formed at least one second monolayer of second material at least partially overlies the annealed at least one first monolayer of first material; and thereafter, annealing the formed at least one second monolayer of second material under a second inert atmosphere at a second temperature between about 650° C. and about 900° C.Type: GrantFiled: September 24, 2010Date of Patent: May 13, 2014Assignee: International Business Machines CorporationInventors: Shintaro Aoyama, Robert D. Clark, Steven P. Consiglio, Marinus Hopstaken, Hemanth Jagannathan, Paul Charles Jamison, Gert Leusink, Barry Paul Linder, Vijay Narayanan, Cory Wajda
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Publication number: 20120074533Abstract: In one exemplary embodiment, a method includes: forming at least one first monolayer of first material on a surface of a substrate by performing a first plurality of cycles of atomic layer deposition; thereafter, annealing the formed at least one first monolayer of first material under a first inert atmosphere at a first temperature between about 650° C. and about 900° C.; thereafter, forming at least one second monolayer of second material by performing a second plurality of cycles of atomic layer deposition, where the formed at least one second monolayer of second material at least partially overlies the annealed at least one first monolayer of first material; and thereafter, annealing the formed at least one second monolayer of second material under a second inert atmosphere at a second temperature between about 650° C. and about 900° C.Type: ApplicationFiled: September 24, 2010Publication date: March 29, 2012Applicants: Tokyo Electron (TEL)Limited, International Business Machines CorporationInventors: Shintaro Aoyama, Robert D. Clark, Steven P. Consiglio, Marinus Hopstaken, Hemanth Jagannathan, Paul Charles Jamison, Gert Leusink, Barry Paul Linder, Vijay Narayanan, Cory Wajda
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Patent number: 7867920Abstract: There is provided a method for modifying a high-k dielectric thin film provided on the surface of an object using a metal organic compound material. The method includes a preparation process for providing the object with the high-k dielectric thin film formed on the surface thereof, and a modification process for applying UV rays to the highly dielectric thin film in an inert gas atmosphere while maintaining the object at a predetermined temperature to modify the high-k dielectric thin film. According to the above constitution, the carbon component can be eliminated from the high-k dielectric thin film, and the whole material can be thermally shrunk to improve the density, whereby the occurrence of defects can be prevented and the film density can be improved to enhance the specific permittivity and thus to provide a high level of electric properties.Type: GrantFiled: November 22, 2006Date of Patent: January 11, 2011Assignee: Tokyo Electron LimitedInventors: Kazuyoshi Yamazaki, Shintaro Aoyama, Koji Akiyama
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Patent number: 7858509Abstract: A disclosed substrate processing method in a single wafer substrate processing device including a first process position for introducing nitrogen atoms to a high-dielectric film and a second process position for performing heat treatment on the high-dielectric film includes: successively conveying plural substrates to be processed to the first process position and the second process position one by one; and successively performing the introduction of nitrogen atoms and the heat treatment on the high-dielectric film on the substrates to be processed, wherein the treatment on the substrate to be processed is started within 30 seconds at the second process position after the process at the first position.Type: GrantFiled: April 25, 2007Date of Patent: December 28, 2010Assignee: Tokyo Electron LimitedInventors: Miki Aruga, Kazuyoshi Yamazaki, Shintaro Aoyama, Kouji Shimomura
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Patent number: 7754293Abstract: A film forming method for forming an oxide film on a surface of a substrate to be processed in a processing vessel at a predetermined processing temperature, wherein the method includes a temperature elevating step of elevating a temperature of said substrate to a predetermined processing temperature, the step of elevating the temperature including a step of holding the substrate in an atmosphere containing oxygen before the substrate reaches a temperature of 450° C. The film forming method further comprises, after the step of elevating the temperature, a film forming step of forming a radical oxide film by irradiating the substrate surface with energy capable of exciting an oxygen gas.Type: GrantFiled: June 16, 2006Date of Patent: July 13, 2010Assignee: Tokyo Electron LimitedInventors: Shintaro Aoyama, Masanobu Igeta, Kazuyoshi Yamazaki
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Publication number: 20090302433Abstract: There is provided a method for modifying a high-k dielectric thin film provided on the surface of an object using a metal organic compound material. The method includes a preparation process for providing the object with the high-k dielectric thin film formed on the surface thereof, and a modification process for applying UV rays to the highly dielectric thin film in an inert gas atmosphere while maintaining the object at a predetermined temperature to modify the high-k dielectric thin film. According to the above constitution, the carbon component can be eliminated from the high-k dielectric thin film, and the whole material can be thermally shrunk to improve the density, whereby the occurrence of defects can be prevented and the film density can be improved to enhance the specific permittivity and thus to provide a high level of electric properties.Type: ApplicationFiled: November 22, 2006Publication date: December 10, 2009Applicant: TOKYO ELECTRON LIMITEDInventors: Kazuyoshi Yamazaki, Shintaro Aoyama, Koji Akiyama
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Publication number: 20090269494Abstract: A film forming apparatus comprises a processing chamber for holding therein a to-be-processed substrate, a first gas supplying means for supplying into the processing chamber a first vapor source including a metal alkoxide having a tertiary butoxyl group as a ligand, and a second gas supplying means for supplying into the processing chamber a second vapor source including a silicon alkoxide source, wherein the first gas supplying means and the second gas supplying means are connected to a pre-reaction means for causing pre-reactions of the first vapor source and the second vapor source, and the film forming apparatus is configured to supply the first vapor source and the second vapor source after the pre-reactions into the processing chamber.Type: ApplicationFiled: April 3, 2006Publication date: October 29, 2009Applicant: TOKYO ELECTRON LIMITEDInventors: Tsuyoshi Takahashi, Shintaro Aoyama, Takahiro Shinada, Masato Kawakami
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Patent number: 7497964Abstract: A method to solve such a problem that plasma will not ignite in restarting operation of a processing container that has not been operated with the inside kept drawn to vacuum. Gas containing oxygen is passed in a processing container 21, and ultraviolet light is irradiated to the gas while gas inside the processing container 21 is being discharged. After that, a remote plasma source 26 is driven to ignite plasma.Type: GrantFiled: May 12, 2006Date of Patent: March 3, 2009Assignee: Tokyo Electron LimitedInventors: Masanobu Igeta, Kazuyoshi Yamazaki, Shintaro Aoyama, Hiroshi Shinriki
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Publication number: 20080254644Abstract: A disclosed substrate processing method in a single wafer substrate processing device including a first process position for introducing nitrogen atoms to a high-dielectric film and a second process position for performing heat treatment on the high-dielectric film includes: successively conveying plural substrates to be processed to the first process position and the second process position one by one; and successively performing the introduction of nitrogen atoms and the heat treatment on the high-dielectric film on the substrates to be processed, wherein the treatment on the substrate to be processed is started within 30 seconds at the second process position after the process at the first position.Type: ApplicationFiled: April 25, 2007Publication date: October 16, 2008Applicant: TOKYO ELECTRON LIMITEDInventors: Miki Aruga, Kazuyoshi Yamazaki, Shintaro Aoyama, Kouji Shimomura
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Publication number: 20080242113Abstract: A method for forming a high-K dielectric film on a silicon substrate includes the steps of processing a surface of the silicon substrate with a diluted hydrofluoric acid, conducting nucleation process of HfN, after the step of processing with the diluted hydrofluoric acid, by supplying a metal organic source containing Hf and nitrogen to the surface of said silicon substrate, and forming an Hf silicate film by a CVD process, after the step of nucleation, by supplying a metal organic source containing Hf and a metal organic source containing Si to the surface of the silicon substrate.Type: ApplicationFiled: April 11, 2008Publication date: October 2, 2008Applicant: TOKYO ELECTRON LIMITEDInventors: Shintaro AOYAMA, Tsuyoshi TAKAHASHI, Kouji SHIMOMURA, Miki ARUGA
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Publication number: 20080233764Abstract: A method of forming a gate insulation film 4 comprising a hafnium silicate material with a SiO2 equivalent oxide thickness of 1.45 nm or less on a silicon substrate 1 is disclosed. The method includes the steps of: cleaning a surface of the silicon substrate 1 to establish thereon a clean surface on which substantially no oxygen is present; forming a hafnium silicate film 2 on the clean surface of the silicon substrate 1 by a CVD process using an amide type organic hafnium compound and a silicon-containing raw material; applying an oxidation treatment to the hafnium silicate film 2, and applying a nitriding treatment to the hafnium silicate film 2 after applying the oxidation treatment. According to the method, a gate insulation film with favorable surface roughness can be obtained even if the film thickness is thin.Type: ApplicationFiled: April 11, 2005Publication date: September 25, 2008Inventors: Tsuyoshi Takahashi, Kouji Shimomura, Genji Nakamura, Shintaro Aoyama, Kazuyoshi Yamazaki