Patents by Inventor Kazuyuki Toyoda
Kazuyuki Toyoda 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).
-
Publication number: 20170221738Abstract: A substrate processing apparatus includes a first reaction chamber including: a first heating unit, a first processing space, and a first transfer space disposed under the first processing space, a second reaction chamber including: a second heating unit, a second processing space, and a second transfer space disposed under the second processing space; a first sidewall and a second sidewall defining the first reaction chamber and the second reaction chamber, wherein the first sidewall is shared by the first reaction chamber and the second reaction chamber, and a cooling channel disposed in the first sidewall and the second sidewall such that a cooling efficiency of the first sidewall is higher than that of the second sidewall, wherein the first reaction chamber and the second reaction chamber are disposed adjacent to each other with the first sidewall therebetween.Type: ApplicationFiled: March 15, 2016Publication date: August 3, 2017Applicant: HITACHI KOKUSAI ELECTRIC INC.Inventors: Akira TAKAHASHI, Kazuyuki TOYODA
-
Publication number: 20170159181Abstract: A substrate processing apparatus includes a substrate support part provided with a first heating part, configured to heat a substrate, a gas supply part installed above the substrate support part and configured to supply a process gas to the substrate, a first exhaust port configured to exhaust an atmosphere of a process space existing above the substrate support part, a gas distribution part installed to face the substrate support part, a lid part provided with a second exhaust port configured to exhaust a buffer space existing between the gas supply part, and the gas distribution part, a rectifying part installed within the buffer space and provided with a second heating part at least partially facing the second exhaust port, the rectifying part configured to rectify the process gas, and a control part configured to control the second heating part.Type: ApplicationFiled: December 1, 2016Publication date: June 8, 2017Applicant: HITACHI KOKUSAI ELECTRIC INC.Inventors: Kazuyuki TOYODA, Tetsuo YAMAMOTO
-
Patent number: 9666494Abstract: The present disclosure provides a technique capable of suppressing a deviation in a characteristic of a semiconductor device. There is provided a technique includes: (a) receiving data representing a thickness distribution of a polished silicon-containing layer on a substrate comprising a convex structure whereon the polished silicon-containing layer is formed; (b) calculating, based on the data, a process data for reducing a difference between a thickness of a portion of the polished silicon-containing layer formed at a center portion of the substrate and that of the polished silicon-containing layer formed at a peripheral portion of the substrate; (c) loading the substrate into a process chamber; (d) supplying a process gas to the substrate; and (e) compensating for the difference based on the process data by activating the process gas with a magnetic field having a predetermined strength on the substrate.Type: GrantFiled: December 21, 2015Date of Patent: May 30, 2017Assignee: Hitachi Kokusai Electric, Inc.Inventors: Atsuhiko Suda, Kazuyuki Toyoda, Toshiyuki Kikuchi
-
Publication number: 20170040232Abstract: A technique is provided in which a deviation of a characteristic of a semiconductor device is suppressed from occurring. The technique includes a method of a manufacturing a semiconductor device, including: (a) polishing a first silicon-containing layer formed on a substrate including a convex structure; (b) obtaining a data representing a height distribution of a surface of the first silicon-containing layer after performing the step (a); (c) determining a process condition; and (d) supplying a process gas to form a second silicon-containing layer wherein the process gas is activated such that a concentration of an active species of the process gas at a center portion of the substrate differs from a concentration of an active species at a peripheral portion of the substrate to adjust heights of surfaces of a laminated film according to the process condition.Type: ApplicationFiled: August 5, 2016Publication date: February 9, 2017Applicant: HITACHI KOKUSAI ELECTRIC INC.Inventors: Masanori NAKAYAMA, Toshiyuki KIKUCHI, Atsuhiko SUDA, Kazuyuki TOYODA, Shun MATSUI
-
Patent number: 9508546Abstract: A method of manufacturing a semiconductor device is disclosed. The method includes (a) loading a substrate into a process chamber; (b) processing the substrate by supplying a process gas into the process chamber via a shower head disposed above the process chamber and including a buffer chamber; (c) unloading the substrate from the process chamber; and (d) cleaning the buffer chamber and the process chamber after performing the step (c), wherein the step (d) comprises: (d-1) cleaning the buffer chamber by a plasma generation from a cleaning gas in the buffer chamber by a plasma generation unit including a plasma generation region switching unit; and (d-2) cleaning the process chamber by switching the plasma generation from the cleaning gas in the buffer chamber to a plasma generation from the cleaning gas in the process chamber by the plasma generation region switching unit.Type: GrantFiled: December 11, 2014Date of Patent: November 29, 2016Assignee: HITACHI KOKUSAI ELECTRIC INC.Inventors: Kazuyuki Toyoda, Tadashi Takasaki, Hiroshi Ashihara, Atsushi Sano, Naonori Akae, Hidehiro Yanai
-
Patent number: 9502236Abstract: There is provided a method of manufacturing a semiconductor device by processing a substrate by alternately supplying a first processing gas and a second processing gas plasmatized by a plasma unit to a processing container. The method includes: starting a supply of an electric power to plasmatize the second processing gas to the plasma unit without supplying the second processing gas to the plasma unit; and starting a supply of the second processing gas with the electric power being supplied to the plasma unit.Type: GrantFiled: March 18, 2015Date of Patent: November 22, 2016Assignee: Hitachi Kokusai Electric Inc.Inventors: Yukitomo Hirochi, Kazuyuki Toyoda, Kazuhiro Morimitsu, Taketoshi Sato, Tetsuo Yamamoto
-
Patent number: 9487863Abstract: A substrate processing apparatus includes: a process chamber configured to process a substrate; a substrate mounting stand installed in the process chamber and configured to hold the substrate; a heating part configured to heat the substrate; a gas rectifying part configured to supply a process gas to the substrate; a sealing part installed in the gas rectifying part; a heat insulating part installed between the sealing part and an upstream side surface of the gas rectifying part; and a first pressure adjusting part connected to the heat insulating part.Type: GrantFiled: July 28, 2015Date of Patent: November 8, 2016Assignee: HITACHI KOKUSAI ELECTRIC INC.Inventors: Shun Matsui, Kazuhiro Morimitsu, Kazuyuki Toyoda
-
Publication number: 20160293498Abstract: The present disclosure provides a technique capable of suppressing a deviation in a characteristic of a semiconductor device. There is provided a technique includes: (a) receiving data representing a thickness distribution of a polished silicon-containing layer on a substrate comprising a convex structure whereon the polished silicon-containing layer is formed; (b) calculating, based on the data, a process data for reducing a difference between a thickness of a portion of the polished silicon-containing layer formed at a center portion of the substrate and that of the polished silicon-containing layer formed at a peripheral portion of the substrate; (c) loading the substrate into a process chamber; (d) supplying a process gas to the substrate; and (e) compensating for the difference based on the process data by activating the process gas with a magnetic field having a predetermined strength on the substrate.Type: ApplicationFiled: December 21, 2015Publication date: October 6, 2016Applicant: HITACHI KOKUSAI ELECTRIC INC.Inventors: Atsuhiko SUDA, Kazuyuki TOYODA, Toshiyuki KIKUCHI
-
Publication number: 20160293500Abstract: A method of manufacturing a semiconductor device includes receiving film thickness distribution data of a polished first insulating film of a substrate; calculating processing data for reducing a difference between a film thickness at a center side of the substrate and a film thickness at a periphery side of the substrate, based on the film thickness distribution data; loading the substrate into a process chamber; supplying a process gas to the substrate; and correcting a film thickness of the first insulating film based on the processing data by activating the process gas so that a concentration of active species of the process gas generated at the center side of the substrate differs from a concentration of active species of the process gas generated at the periphery side of the substrate.Type: ApplicationFiled: February 4, 2016Publication date: October 6, 2016Applicant: HITACHI KOKUSAI ELECTRIC INC.Inventors: Naofumi OHASHI, Masanori NAKAYAMA, Atsuhiko SUDA, Kazuyuki TOYODA, Shun MATSUI
-
Publication number: 20160284543Abstract: A substrate processing apparatus includes: a substrate holder configured to hold a substrate; a gas supply unit configured to supply gas of processing the substrate; a plasma electrode device provided separately above a surface of the substrate, configured to generate plasma of activating the gas supplied from the gas supply unit; and a rotation driving unit connected to the plasma electrode device, configured to horizontally move the plasma electrode device above the substrate.Type: ApplicationFiled: March 23, 2016Publication date: September 29, 2016Applicant: HITACHI KOKUSAI ELECTRIC INC.Inventors: Kazuyuki TOYODA, Akihiro SATO, Yukitomo HIROCHI
-
Publication number: 20160276135Abstract: A substrate processing apparatus includes a substrate mounting table on which a substrate is mounted, a process chamber including the substrate mounting table, a gas supply unit configured to supply a gas into the process chamber, and a plasma generating unit configured to convert the gas supplied into the process chamber from the gas supply unit into a plasma state. The plasma generating unit includes a plasma generating chamber configured to serve as a flow path of the gas supplied into the process chamber from the gas supply unit, and a plasma generating conductor configured by a conductor disposed to surround the plasma generating chamber. The plasma generating conductor includes a plurality of main conductor parts extending along a mainstream direction of the gas within the plasma generating chamber, and a plurality of connection conductor parts configured to electrically connect the plurality of main conductor parts with each other.Type: ApplicationFiled: January 26, 2016Publication date: September 22, 2016Applicant: HITACHI KOKUSAI ELECTRIC INC.Inventors: Tetsuo YAMAMOTO, Kazuyuki TOYODA, Shun MATSUI
-
Publication number: 20160276183Abstract: A technique partially adjusts a plasma distribution in a processing region in order to suppress the reduction in in-plane uniformity of a film formed on a substrate. Provided is a substrate processing apparatus including: a substrate support configured to support a substrate; a dividing structure defining a processing region in a space facing the substrate support; a gas supply unit configured to supply a processing gas into the processing region; and a plasma generating unit configured to generate an active species by plasmatizing the processing gas supplied into the processing region by the gas supply unit, and to control an activity of the active species independently for each portion of the processing region when plasmatizing the processing gas.Type: ApplicationFiled: February 26, 2016Publication date: September 22, 2016Inventors: Naofumi OHASHI, Kazuyuki TOYODA, Shun MATSUI
-
Patent number: 9431220Abstract: A substrate processing apparatus may include a process chamber configured to accommodate a substrate having a metal film polished on a first insulating film and a second insulating film polished on the metal film; a process gas supply part configured to supply a process gas to the substrate; an activation part configured to activate the process gas; a computation part configured to compute processing data for adjusting a film thickness distribution of a stacked insulating film having the polished second insulating film and a third insulating film by adjusting a film thickness distribution of the third insulating film based on the film thickness distribution data of the polished second insulating film; and a control part configured to control the process gas supply part and the activation part to adjust the film thickness distribution of the stacked insulating film based on the processing data.Type: GrantFiled: September 22, 2015Date of Patent: August 30, 2016Assignee: HITACHI KOKUSAI ELECTRIC INC.Inventors: Naofumi Ohashi, Masanori Nakayama, Atsuhiko Suda, Kazuyuki Toyoda, Shun Matsui
-
Publication number: 20160230280Abstract: A substrate processing apparatus includes: a process chamber configured to process a substrate; a substrate mounting stand installed in the process chamber and configured to hold the substrate; a heating part configured to heat the substrate; a gas rectifying part configured to supply a process gas to the substrate; a sealing part installed in the gas rectifying part; a heat insulating part installed between the sealing part and an upstream side surface of the gas rectifying part; and a first pressure adjusting part connected to the heat insulating part.Type: ApplicationFiled: July 28, 2015Publication date: August 11, 2016Applicant: HITACHI KOKUSAI ELECTRIC INC.Inventors: Shun MATSUI, Kazuhiro MORIMITSU, Kazuyuki TOYODA
-
Patent number: 9373499Abstract: A plasma processing apparatus comprises a processing chamber in which a plurality of substrates are stacked and accommodated; a pair of electrodes extending in the stacking direction of the plurality of substrates, which are disposed at one side of the plurality of substrates in said processing chamber, and to which high frequency electricity is applied; and a gas supply member which supplies processing gas into a space between the pair of electrodes.Type: GrantFiled: April 20, 2015Date of Patent: June 21, 2016Assignee: HITACHI KOKUSAI ELECTRIC INC.Inventors: Kazuyuki Toyoda, Yasuhiro Inokuchi, Motonari Takebayashi, Tadashi Kontani, Nobuo Ishimaru
-
Publication number: 20160093476Abstract: Provided is a technique of uniformly processing a substrate within a short time by supplying a sufficient amount of active species to a surface of the substrate. A substrate processing apparatus includes: a process chamber; a discharge chamber; a plasma source; an exhaust system; a process gas supply system including a temporary storage unit; and a control unit configured to control the plasma source, the exhaust system and the process gas supply system to: intermittently supply a process gas temporarily stored in the temporary storage unit into the discharge chamber; and supply the process gas activated in the discharge chamber from the discharge chamber into the process chamber having an inner pressure lower than an inner pressure of the discharge chamber.Type: ApplicationFiled: September 3, 2015Publication date: March 31, 2016Inventors: Kazuyuki TOYODA, Atsushi UMEKAWA, Makoto KAWABATA, Koji SHIBATA
-
Publication number: 20160083844Abstract: Provided is a substrate processing apparatus including: a substrate support unit; a gas supply plate including a plurality of gas distribution pipes connected to a plurality of gas supply regions; and a gas introduction shaft mounted on the gas supply plate. The gas introduction shaft includes a plurality of gas introduction pipes. Each of the plurality of gas introduction pipes is connected to each of the plurality of gas distribution pipes via each of a plurality of gas discharging spaces having an annular shape.Type: ApplicationFiled: August 14, 2015Publication date: March 24, 2016Inventors: Eisuke NISHITANI, Kazuyuki TOYODA
-
Publication number: 20160056035Abstract: A method forms a film on a substrate to have different film thicknesses and features within a plane of the substrate and improves the manufacturing throughput. The method comprises: (a) supplying a first process gas from above a substrate and a second process gas from a lateral direction with respect to the substrate; and (b) supplying a first reactive gas from above the substrate and a second reactive gas from the lateral direction with respect to the substrate, wherein at least one of (a) and (b) is performed at least once in a manner that a total amount of the first and second process gases supplied to the substrate center is different from that of the first and second process gases supplied to the substrate periphery.Type: ApplicationFiled: March 26, 2015Publication date: February 25, 2016Inventors: Kazuyuki TOYODA, Shun MATSUI
-
Publication number: 20160024650Abstract: A substrate processing apparatus includes: a reaction zone configured to accommodate a substrate; a substrate supporting member having a projecting part extending outward; a partition plate configured to partition off the reaction zone and a transferring zone, coming in contact with the projecting part of the substrate supporting member when the substrate is processed; a process gas supplying system configured to supply a process gas to the reaction zone; and a partitioning purge gas supplying system configured to supply a purge gas to a gap formed between the projecting part and the partition plate when supplying the process gas to the substrate.Type: ApplicationFiled: July 21, 2015Publication date: January 28, 2016Applicant: HITACHI KOKUSAI ELECTRIC INC.Inventors: Kazuyuki TOYODA, Hiroshi ASHIHARA, Atsushi SANO, Naonori AKAE, Hidehiro YANAI
-
Patent number: 9171734Abstract: A substrate processing apparatus includes a processing chamber accommodating a substrate; first and second process gas supply units that respectively supply first and second process gases from above and laterally relative to the substrate; and first and second reactive gas supply units that respectively supply first and second reactive gases from above and laterally relative to the substrate. A control unit controls the other units such that a total amount of the first and second process gases supplied to a center portion of the substrate is different from that supplied to a peripheral portion of the substrate, or a total amount of the first and second reactive gases supplied to the center portion of the substrate is different from that supplied to the peripheral portion of the substrate.Type: GrantFiled: September 19, 2014Date of Patent: October 27, 2015Assignee: Hitachi Kokusai Electric Inc.Inventors: Kazuyuki Toyoda, Shun Matsui