Patents by Inventor Norikazu Mizuno

Norikazu Mizuno 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: 20110045675
    Abstract: Disclosed is a substrate processing apparatus, comprising a processing chamber, a holder to hold at least a plurality of product substrates, a heating member, a supplying member to alternately supply at least a first reactant and a second reactant, and a control unit, wherein the control unit executes forming thin films on the substrates by supplying the first reactant, removing a surplus of the first reactant after the first reactant has been adsorbed on the product substrates, subsequently supplying the second reactant, to cause the second reactant to react with the first reactant adsorbed on the substrates, and executes the forming the thin films in a state where a number of the product substrates is insufficient when a number of the product substrates is less than a maximum number of the product substrates which can be held by the holder.
    Type: Application
    Filed: November 1, 2010
    Publication date: February 24, 2011
    Inventors: Hironobu MIYA, Taketoshi Sato, Norikazu Mizuno, Masanori Sakai, Takaaki Noda
  • Patent number: 7892983
    Abstract: Disclosed is a substrate processing apparatus, comprising a processing chamber, a holder to hold at least a plurality of product substrates, a heating member, a supplying member to alternately supply at least a first reactant and a second reactant, and a control unit, wherein the control unit executes forming thin films on the substrates by supplying the first reactant, removing a surplus of the first reactant after the first reactant has been adsorbed on the product substrates, subsequently supplying the second reactant, to cause the second reactant to react with the first reactant adsorbed on the substrates, and executes the forming the thin films in a state where a number of the product substrates is insufficient when a number of the product substrates is less than a maximum number of the product substrates which can be held by the holder.
    Type: Grant
    Filed: October 5, 2005
    Date of Patent: February 22, 2011
    Assignee: Hitachi Kokusai Electric Inc.
    Inventors: Hironobu Miya, Taketoshi Sato, Norikazu Mizuno, Masanori Sakai, Takaaki Noda
  • Publication number: 20100323507
    Abstract: A substrate processor enables realization of a proper process by combining advantages of a remote plasma and a plasma generated in an entire processing chamber. The substrate processor includes a conductive member (10) which is installed surrounding a processing space (1) and grounded to the earth and a pair of electrodes (4) installed inside the conductive member (10). A primary coil of an insulating transformer (7) is connected to a high-frequency power supply unit (14) and a secondary coil is connected to the electrodes (4). A switch (13) is connected to the connection line connecting the secondary coil to the electrodes (4). By setting up/cutting off the connection of the line to the earth with use of the switch (13), the region where the plasma is generated in the processing space (1) can be changed.
    Type: Application
    Filed: June 22, 2010
    Publication date: December 23, 2010
    Inventors: Kazuyuki TOYODA, Nobuhito Shima, Nobuo Ishimaru, Yoshikazu Konno, Motonari Takebayashi, Takaaki Noda, Norikazu Mizuno
  • Publication number: 20100258530
    Abstract: A substrate processor enables realization of a proper process by combining advantages of a remote plasma and a plasma generated in an entire processing chamber. The substrate processor includes a conductive member (10) which is installed surrounding a processing space (1) and grounded to the earth and a pair of electrodes (4) installed inside the conductive member (10). A primary coil of an insulating transformer (7) is connected to a high-frequency power supply unit (14) and a secondary coil is connected to the electrodes (4). A switch (13) is connected to the connection line connecting the secondary coil to the electrodes (4). By setting up/cutting off the connection of the line to the earth with use of the switch (13), the region where the plasma is generated in the processing space (1) can be changed.
    Type: Application
    Filed: June 22, 2010
    Publication date: October 14, 2010
    Inventors: Kazuyuki TOYODA, Nobuhito Shima, Nobuo Ishimaru, Yoshikazu Konno, Motonari Takebayashi, Takaaki Noda, Norikazu Mizuno
  • Publication number: 20100233887
    Abstract: A production method for a semiconductor device comprising the first step of supplying a first reaction material to a substrate housed in a processing chamber to subject to a ligand substitution reaction a ligand as a reaction site existing on the surface of the substrate and the ligand of the first reaction material, the second step of removing the excessive first reaction material from the processing chamber, the third step of supplying a second reaction material to the substrate to subject a ligand substituted by the first step to a ligand substitution reaction with respect to a reaction site, the fourth step of removing the excessive second reaction material from the processing chamber, and a fifth step of supplying a third reaction material excited by plasma to the substrate to subject a ligand, not subjected to a substitution reaction with respect to a reaction site in the third step, to a ligand substitution reaction with respect to a reaction site, wherein the steps 1-5 are repeated a specified number
    Type: Application
    Filed: May 27, 2010
    Publication date: September 16, 2010
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Hironobu Miya, Kazuyuki Toyoda, Norikazu Mizuno, Taketoshi Sato, Masanori Sakai, Masayuki Asai, Kazuyuki Okuda, Hideki Horita
  • Publication number: 20100227276
    Abstract: In a method of manufacturing a semiconductor device, a protection film can be formed using a double exposure technology to increase a developer resistance of the protection film without increasing the thickness of the protection film for realizing fine patterning. The method comprises forming a protection film on a first resist pattern formed on a substrate; and forming a second resist pattern on the protection film between parts of the first resist pattern. The protection film is formed in at least two layers by using different methods.
    Type: Application
    Filed: March 4, 2010
    Publication date: September 9, 2010
    Applicant: HITACHI-KOKUSAI ELECTRIC INC.
    Inventor: Norikazu MIZUNO
  • Patent number: 7779785
    Abstract: Disclosed is a producing method of a semiconductor device comprising a first step of supplying a first reactant to a substrate to cause a ligand-exchange reaction between a ligand of the first reactant and a ligand as a reactive site existing on a surface of the substrate, a second step of removing a surplus of the first reactant, a third step of supplying a second reactant to the substrate to cause a ligand-exchange reaction to change the ligand after the exchange in the first step into a reactive site, a fourth step of removing a surplus of the second reactant, and a fifth step of supplying a plasma-excited third reactant to the substrate to cause a ligand-exchange reaction to exchange a ligand which has not been exchange-reacted into the reactive site in the third step into the reactive site, wherein the first to fifth steps are repeated predetermined times.
    Type: Grant
    Filed: February 15, 2006
    Date of Patent: August 24, 2010
    Assignee: Hitachi Kokusai Electric Inc.
    Inventors: Hironobu Miya, Kazuyuki Toyoda, Norikazu Mizuno, Taketoshi Sato, Masanori Sakai, Masayuki Asai, Kazuyuki Okuda, Hideki Horita
  • Publication number: 20100210118
    Abstract: A thin film can be formed on a substrate at a low temperature with a practicable film-forming rate. There is provided a semiconductor device manufacturing method for forming an oxide or nitride film on a substrate. The method comprises: exposing the substrate to a source gas; exposing the substrate to a modification gas comprising an oxidizing gas or a nitriding gas, wherein an atom has electronegativity different from that of another atom in molecules of the oxidizing gas or the nitriding gas; and exposing the substrate to a catalyst. The catalyst has acid dissociation constant pKa in a range from 5 to 7, but a pyridine is not used as the catalyst.
    Type: Application
    Filed: February 17, 2010
    Publication date: August 19, 2010
    Applicant: HITACHI-KOKUSAI ELECTRIC, INC.
    Inventor: Norikazu Mizuno
  • Patent number: 7767594
    Abstract: Disclosed is a producing method of a semiconductor device, including: loading at least one substrate formed on a surface thereof with a tungsten film into a processing chamber; and forming a silicon oxide film on the surface of the substrate which includes the tungsten film by alternately repeating following steps a plurality of times: supplying the processing chamber with a first reaction material including a silicon atom while heating the substrate at 400° C.; and supplying the processing chamber with hydrogen and water which is a second reaction material while heating the substrate at 400° C. at a ratio of the water with respect to the hydrogen of 2×10?1 or lower.
    Type: Grant
    Filed: January 17, 2007
    Date of Patent: August 3, 2010
    Assignee: Hitachi Kokusai Electric Inc.
    Inventors: Hironobu Miya, Masayuki Asai, Norikazu Mizuno
  • Publication number: 20100173501
    Abstract: Disclosed is a producing method of a semiconductor device, including: loading at least one substrate formed on a surface thereof with a tungsten film into a processing chamber; and forming a silicon oxide film on the surface of the substrate which includes the tungsten film by alternately repeating following steps a plurality of times: supplying the processing chamber with a first reaction material including a silicon atom while heating the substrate at 400° C.; and supplying the processing chamber with hydrogen and water which is a second reaction material while heating the substrate at 400° C. at a ratio of the water with respect to the hydrogen of 2×10?1 or lower.
    Type: Application
    Filed: January 5, 2010
    Publication date: July 8, 2010
    Inventors: Hironobu Miya, Masayuki Asai, Norikazu Mizuno
  • Publication number: 20100087069
    Abstract: The coverage characteristics or loading effect of an oxide film can be improved without having to increase the supply amount or time of an oxidant. There is provided method of manufacturing a semiconductor device. The method comprises loading at least one substrate to a processing chamber; forming an oxide film on the substrate by alternately supplying a first reaction material and a second reaction material containing oxygen atoms to the processing chamber while heating the substrate; and unloading the substrate from the processing chamber, wherein the forming of the oxide film is performed by keeping the substrate at a temperature equal to or lower than a self-decomposition temperature of the first reaction material and irradiating ultraviolet light to the second reaction material.
    Type: Application
    Filed: October 1, 2009
    Publication date: April 8, 2010
    Inventors: Hironobu MIYA, Kazuyuki Toyoda, Masanori Sakai, Norikazu Mizuno, Tsutomu Kato, Yuji Takebayashi, Kenji Ono, Atsushi Morikawa, Satoshi Okada
  • Patent number: 7662727
    Abstract: To improve a step coverage and a loading effect, without inviting a deterioration of throughput and an increase of cost, in a method for forming a thin film by alternately flowing a raw material and alcohol to a processing chamber.
    Type: Grant
    Filed: November 7, 2007
    Date of Patent: February 16, 2010
    Assignee: Hitachi Kokusai Electric Inc.
    Inventors: Hironobu Miya, Norikazu Mizuno, Masanori Sakai, Shinya Sasaki, Hirohisa Yamazaki
  • Publication number: 20090277382
    Abstract: Provided is a semiconductor manufacturing apparatus, which is capable of realizing fine-pitch patterns and thus improving stabilization of patterning precision. The semiconductor manufacturing apparatus comprises: a photoresist processing unit for forming a photoresist pattern in a predetermined region on a substrate to which a predetermined process is applied; and a substrate processing unit for forming a thin film on the surface of at least the photoresist pattern.
    Type: Application
    Filed: March 18, 2009
    Publication date: November 12, 2009
    Inventors: Norikazu Mizuno, Kenji Kanayama, Kazuyuki Okuda, Yoshiro Hirose, Masayuki Asai
  • Publication number: 20090280652
    Abstract: Disclosed is a producing method of a semiconductor device comprising a first step of supplying a first reactant to a substrate to cause a ligand-exchange reaction between a ligand of the first reactant and a ligand as a reactive site existing on a surface of the substrate, a second step of removing a surplus of the first reactant, a third step of supplying a second reactant to the substrate to cause a ligand-exchange reaction to change the ligand after the exchange in the first step into a reactive site, a fourth step of removing a surplus of the second reactant, and a fifth step of supplying a plasma-excited third reactant to the substrate to cause a ligand-exchange reaction to exchange a ligand which has not been exchange-reacted into the reactive site in the third step into the reactive site, wherein the first to fifth steps are repeated predetermined times.
    Type: Application
    Filed: March 31, 2009
    Publication date: November 12, 2009
    Inventors: Hironobu Miya, Kazuyuki Toyoda, Norikazu Mizuno, Taketoshi Sato, Masanori Sakai, Masayuki Asai, Kazuyuki Okuda, Hideki Horita
  • Publication number: 20090278235
    Abstract: Provided is a manufacturing method of a semiconductor device, which is capable of realizing fine-pitch patterns and thus improving stabilization of patterning precision. The manufacturing method of the semiconductor device comprises forming a first photoresist pattern in a predetermined region on a substrate, depositing a thin film on the surface of the first photoresist pattern, and forming a second photoresist pattern in a region where the first photoresist pattern is not formed.
    Type: Application
    Filed: August 29, 2008
    Publication date: November 12, 2009
    Inventors: Norikazu MIZUNO, Kenji KANAYAMA, Kazuyuki OKUDA, Yoshiro HIROSE, Masayuki ASAI
  • Publication number: 20090205568
    Abstract: A substrate processing method by which a desired thin film is formed on a substrate by alternately supplying and discharging a plurality of processing gases to and from a process chamber having a space for processing the substrate. In the substrate processing method, a quantity of a chemical species, which exists in the thin film and the film stress of the thin film depends on, is controlled by controlling a supply time of one processing gas among the processing gases, and thus the film stress of the thin film is controlled.
    Type: Application
    Filed: April 23, 2009
    Publication date: August 20, 2009
    Inventors: Norikazu MIZUNO, Taketoshi Sato, Masanori Sakai, Kazuyuki Okuda
  • Publication number: 20090181547
    Abstract: Disclosed is a substrate processing apparatus, including: a processing space to provide a space in which a substrate is to be processed; a heating member to heat the processing space; a gas supply member to supply at least first and second processing gases to the processing space; an exhaust member to exhaust an atmosphere in the processing space; and a control member to control at least the gas supply member and the exhaust member such that supply and exhaust of the first and second processing gases are alternately repeated a plurality of times so that the first and second processing gases are not mixed with each other in the processing space when forming a desired film on the substrate, and both the first and second processing gases are supplied to the processing space when coating a surface of an inner wall of the processing space with a desired film.
    Type: Application
    Filed: March 18, 2009
    Publication date: July 16, 2009
    Inventors: Kazuyuki Okuda, Norikazu Mizuno
  • Publication number: 20090151632
    Abstract: Disclosed is a substrate processing apparatus, including: a processing space to provide a space in which a substrate is to be processed; a heating member to heat the processing space; a gas supply member to supply at least first and second processing gases to the processing space; an exhaust member to exhaust an atmosphere in the processing space; and a control member to control at least the gas supply member and the exhaust member such that supply and exhaust of the first and second processing gases are alternately repeated a plurality of times so that the first and second processing gases are not mixed with each other in the processing space when forming a desired film on the substrate, and both the first and second processing gases are supplied to the processing space when coating a surface of an inner wall of the processing space with a desired film.
    Type: Application
    Filed: March 28, 2007
    Publication date: June 18, 2009
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Kazuyuki Okuda, Norikazu Mizuno
  • Publication number: 20090104792
    Abstract: Disclosed is a producing method of a semiconductor device, including: loading at least one substrate formed on a surface thereof with a tungsten film into a processing chamber; and forming a silicon oxide film on the surface of the substrate which includes the tungsten film by alternately repeating following steps a plurality of times: supplying the processing chamber with a first reaction material including a silicon atom while heating the substrate at 400° C.; and supplying the processing chamber with hydrogen and water which is a second reaction material while heating the substrate at 400° C. at a ratio of the water with respect to the hydrogen of 2×10?1 or lower.
    Type: Application
    Filed: January 17, 2007
    Publication date: April 23, 2009
    Applicant: Hitachi Kokusai Electric Inc.
    Inventors: Hironobu Miya, Masayuki Asai, Norikazu Mizuno
  • Publication number: 20090074984
    Abstract: Contamination of a substrate can be prevented or suppressed. A substrate processing apparatus includes a reaction tube having an inner space divided by a barrier wall into a film forming space and a plasma generating space. When a desired film is formed on a substrate placed inside the reaction tube, first and second processing gases are supplied to the reaction tube through nozzles. On the other hand, when a part of the reaction tube constituting the plasma generating space is coated with a film, second and third processing gases are supplied to the plasma generating space through the nozzle.
    Type: Application
    Filed: September 17, 2008
    Publication date: March 19, 2009
    Inventors: Hironobu SHIMIZU, Norikazu Mizuno