Patents by Inventor Arito Ogawa

Arito Ogawa 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).

  • Patent number: 9123644
    Abstract: A semiconductor device includes a gate insulating film formed on a semiconductor substrate; a first conductive metal-containing film formed on the gate insulating film; a second conductive metal-containing film, formed on the first metal-containing film, to which aluminum is added; and a silicon film formed on the second metal-containing film.
    Type: Grant
    Filed: February 16, 2015
    Date of Patent: September 1, 2015
    Assignee: HITACHI KOKUSAI ELECTRIC INC.
    Inventor: Arito Ogawa
  • Publication number: 20150243507
    Abstract: The method of manufacturing a semiconductor device in accordance with the present invention provides a metal-containing film capable of adjusting a work function. The including: (a) alternately supplying a first source containing a first metal element and a halogen element and a second source containing a second metal element different from the first metal element and at least one selected from the group consisting of a ligand of a methyl group, a ligand of an ethyl group and a ligand of a cyclopenta-based group onto a substrate in a process chamber to form a composite metal-containing film on the substrate; and (b) alternately supplying a third source containing a third metal element and a fourth source containing nitrogen onto the substrate in the process chamber to form a metal nitride film on the composite metal-containing film.
    Type: Application
    Filed: May 8, 2015
    Publication date: August 27, 2015
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Kazuhiro HARADA, Arito OGAWA, Hiroshi ASHIHARA
  • Publication number: 20150200102
    Abstract: A method of manufacturing a semiconductor device, includes: alternately performing (i) a first step of alternately supplying a first raw material containing a first metal element and a halogen element and a second raw material containing a second metal element and carbon to a substrate by a first predetermined number of times, and (ii) a second step of supplying a nitridation raw material to the substrate, by a second predetermined number of times, wherein alternating the first and second steps forms a metal carbonitride film containing the first metal element having a predetermined thickness on the substrate.
    Type: Application
    Filed: March 25, 2015
    Publication date: July 16, 2015
    Applicant: Hitachi Kokusai Electric Inc.
    Inventors: Arito OGAWA, Tsuyoshi TAKEDA
  • Publication number: 20150200103
    Abstract: A method of manufacturing a semiconductor device, includes: alternately performing (i) a first step of alternately supplying a first raw material containing a first metal element and a halogen element and a second raw material containing a second metal element and carbon to a substrate by a first predetermined number of times, and (ii) a second step of supplying a nitridation raw material to the substrate, by a second predetermined number of times, wherein alternating the first and second steps forms a metal carbonitride film containing the first metal element having a predetermined thickness on the substrate.
    Type: Application
    Filed: March 25, 2015
    Publication date: July 16, 2015
    Applicant: Hitachi Kokusai Electric Inc.
    Inventors: Arito OGAWA, Tsuyoshi TAKEDA
  • Publication number: 20150200104
    Abstract: A method of manufacturing a semiconductor device, includes: alternately performing (i) a first step of alternately supplying a first raw material containing a first metal element and a halogen element and a second raw material containing a second metal element and carbon to a substrate by a first predetermined number of times, and (ii) a second step of supplying a nitridation raw material to the substrate, by a second predetermined number of times, wherein alternating the first and second steps forms a metal carbonitride film containing the first metal element having a predetermined thickness on the substrate.
    Type: Application
    Filed: March 25, 2015
    Publication date: July 16, 2015
    Applicant: Hitachi Kokusai Electric Inc.
    Inventors: Arito OGAWA, Tsuyoshi TAKEDA
  • Patent number: 9082747
    Abstract: Provided are a semiconductor device manufacturing method by which a semiconductor device in which a threshold voltage is suppressed from changing can be manufactured, a substrate processing method and apparatus, a non-transitory computer-readable recording medium, and the semiconductor device. The semiconductor device manufacturing method includes forming an amorphous first oxide film including a first element on a substrate, and modifying the first oxide film to an amorphous second oxide film including the first element and a second element different from the first element by adding the second element to the first oxide film. The first element includes at least one element selected from a group consisting of aluminum, yttrium and lanthanum. A concentration of the second element in the second oxide film is controlled to be lower than that of the first element in the second oxide film.
    Type: Grant
    Filed: September 25, 2013
    Date of Patent: July 14, 2015
    Assignee: Hitachi Kokusai Electric Inc.
    Inventor: Arito Ogawa
  • Publication number: 20150187652
    Abstract: A method for producing a composite wafer by using a forming wafer having a monocrystal layer, the method comprising: (a) forming, on the monocrystal layer of the forming wafer, a sacrificial layer and a semiconductor crystal layer sequentially; (b) causing a first front surface that is the front surface of a layer formed on the forming wafer to face a second front surface that is the front surface of the transfer target wafer or of a layer formed on the transfer target wafer and is to contact the first front surface, and bonding the forming wafer and the transfer target wafer; and (c) etching the sacrificial layer, and separating the forming wafer from the transfer target wafer in a state that the semiconductor crystal layer is left on the transfer target wafer, wherein the (a) to the (c) are repeated by using the forming wafer separated in the (c).
    Type: Application
    Filed: January 28, 2015
    Publication date: July 2, 2015
    Applicants: SUMITOMO CHEMICAL COMPANY, LIMITED, NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY, HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Taketsugu YAMAMOTO, Takeshi AOKI, Tatsuro MAEDA, Eiko MIEDA, Toshiyuki KIKUCHI, Arito OGAWA
  • Publication number: 20150187567
    Abstract: A substrate processing apparatus processes a substrate by supplying a gas into a processing space. The apparatus includes a buffer space wherein the gas is dispersed, the buffer space disposed at an upstream side of the processing space; a transfer space where the substrate passes when transferred to the processing space; a first, a second and a third exhaust pipe connected to the transfer space, the buffer space and the processing space, respectively; a fourth exhaust pipe connected to downstream sides of the first exhaust pipe, the second exhaust pipe and the third exhaust pipe; a first vacuum pump disposed at the first exhaust pipe; a second vacuum pump disposed at the fourth exhaust pipe; a first valve disposed at the first exhaust pipe at a downstream side of the first vacuum pump; and a second and a third valve disposed at the second and the third exhaust pipe, respectively.
    Type: Application
    Filed: March 7, 2014
    Publication date: July 2, 2015
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Hiroshi ASHIHARA, Arito OGAWA
  • Publication number: 20150171179
    Abstract: Provided is a semiconductor device including a metal film which can be formed with lower costs but still mange to have a necessary work function and oxidation resistance. The semiconductor device includes: an insulating film disposed on a substrate; and a metal film disposed on the insulating film to directly contact the insulating film, the metal film including a laminated structure where a first metal film and a second metal film are alternately and repeatedly laminated, wherein the second metal film has a work function different from that of the first metal film and is different from the first metal film in material, and an oxidation resistance of the first metal film is greater than that of the second metal film.
    Type: Application
    Filed: February 23, 2015
    Publication date: June 18, 2015
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Sadayoshi HORII, Arito OGAWA, Hideharu ITATANI
  • Publication number: 20150171180
    Abstract: Provided is a semiconductor device including a metal film which can be formed with lower costs but still mange to have a necessary work function and oxidation resistance. The semiconductor device includes an insulating film disposed on a substrate; and a metal film disposed on the insulating film. The metal film includes a stacked structure of: a first metal film disposed on the insulating film to directly contact the insulating film; a second metal film disposed on the first metal film to directly contact the first metal film; and the first metal film disposed on the second metal film to directly contact the second metal film, the second metal film having a work function greater than 4.8 eV and being different from the first metal film in material, wherein an oxidation resistance of the first metal film is greater than that of the second metal film.
    Type: Application
    Filed: February 23, 2015
    Publication date: June 18, 2015
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Sadayoshi HORII, Arito OGAWA, Hideharu ITATANI
  • Patent number: 9059089
    Abstract: A metal-containing film capable of adjusting a work function is formed. A first source containing a first metal element and a halogen element and a second source containing a second metal element different from the first metal element and an amino group are alternately supplied onto a substrate having a high-k dielectric film to form a composite metal nitride film on the high-k dielectric film.
    Type: Grant
    Filed: February 24, 2014
    Date of Patent: June 16, 2015
    Assignee: Hitachi Kokusai Electric Inc.
    Inventors: Kazuhiro Harada, Arito Ogawa, Hiroshi Ashihara
  • Publication number: 20150162200
    Abstract: A semiconductor device includes a gate insulating film formed on a semiconductor substrate; a first conductive metal-containing film formed on the gate insulating film; a second conductive metal-containing film, formed on the first metal-containing film, to which aluminum is added; and a silicon film formed on the second metal-containing film.
    Type: Application
    Filed: February 16, 2015
    Publication date: June 11, 2015
    Inventor: Arito OGAWA
  • Publication number: 20150155165
    Abstract: A method of producing a composite wafer including a semiconductor crystal layer, includes forming a sacrificial layer and the semiconductor crystal layer above a semiconductor crystal layer forming wafer in the stated order, etching the semiconductor crystal layer to partially expose the sacrificial layer and dividing the semiconductor crystal layer into a plurality of divided pieces, bonding the semiconductor crystal layer forming wafer and a transfer target wafer made of an inorganic material in such a manner that a first surface of the semiconductor crystal layer forming wafer faces and comes into contact with a second surface of the transfer target wafer, and etching the sacrificial layer to separate the transfer target wafer and the semiconductor crystal layer forming wafer from each other with the semiconductor crystal layer being left on the transfer target wafer.
    Type: Application
    Filed: December 12, 2014
    Publication date: June 4, 2015
    Applicants: SUMITOMO CHEMICAL COMPANY, LIMITED, NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY, HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Masahiko HATA, Takenori OSADA, Taketsugu YAMAMOTO, Takeshi AOKI, Tetsuji YASUDA, Tatsuro MAEDA, Eiko MIEDA, Hideki TAKAGI, Yuichi KURASHIMA, Yasuo KUNII, Toshiyuki KIKUCHI, Arito OGAWA
  • Publication number: 20150111378
    Abstract: [PROBLEMS TO BE SOLVED] The present invention provides a method of manufacturing a semiconductor device, which is capable of forming a film having low roughness and resistivity by suppressing a void from being generated during the forming of the film, a substrate processing apparatus and a program.
    Type: Application
    Filed: September 30, 2014
    Publication date: April 23, 2015
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Arito OGAWA, Atsuro SEINO
  • Patent number: 9012323
    Abstract: A method of manufacturing a semiconductor device, includes: alternately performing (i) a first step of alternately supplying a first raw material containing a first metal element and a halogen element and a second raw material containing a second metal element and carbon to a substrate by a first predetermined number of times, and (ii) a second step of supplying a nitridation raw material to the substrate, by a second predetermined number of times, wherein alternating the first and second steps forms a metal carbonitride film containing the first metal element having a predetermined thickness on the substrate.
    Type: Grant
    Filed: February 26, 2014
    Date of Patent: April 21, 2015
    Assignee: Hitachi Kokusai Electric Inc.
    Inventors: Arito Ogawa, Tsuyoshi Takeda
  • Patent number: 8994124
    Abstract: Disclosed is a semiconductor device that comprises a gate insulating film formed on a semiconductor substrate; a first conductive metal-containing film formed on the gate insulating film; a second conductive metal-containing film, formed on the first metal-containing film, to which aluminum is added; and a silicon film formed on the second metal-containing film.
    Type: Grant
    Filed: March 21, 2012
    Date of Patent: March 31, 2015
    Assignee: Hitachi Kokusai Electric Inc.
    Inventor: Arito Ogawa
  • Patent number: 8951912
    Abstract: A method of manufacturing a semiconductor device, includes: alternately performing (i) a first step of alternately supplying a first raw material containing a first metal element and a halogen element and a second raw material containing a second metal element and carbon to a substrate by a first predetermined number of times, and (ii) a second step of supplying a nitridation raw material to the substrate, by a second predetermined number of times, wherein alternating the first and second steps forms a metal carbonitride film containing the first metal element having a predetermined thickness on the substrate.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: February 10, 2015
    Assignee: Hitachi Kokusai Electric Inc.
    Inventors: Arito Ogawa, Tsuyoshi Takeda
  • Patent number: 8937022
    Abstract: A method of manufacturing a semiconductor device includes: housing a substrate into a processing chamber; and forming a metal nitride film on the substrate by supplying a source gas containing a metal element, a nitrogen-containing gas and a hydrogen-containing gas into the processing chamber; wherein in forming the metal nitride film, the source gas and the nitrogen-containing gas are intermittently supplied into the processing chamber, or the source gas and the nitrogen-containing gas are intermittently and alternately supplied into the processing chamber, or the source gas is intermittently supplied into the processing chamber in a state that supply of the nitrogen-containing gas into the processing chamber is continued, and the hydrogen-containing gas is supplied into the processing chamber during at least supply of the nitrogen-containing gas into the processing chamber.
    Type: Grant
    Filed: November 29, 2011
    Date of Patent: January 20, 2015
    Assignee: Hitachi Kokusai Electric Inc.
    Inventor: Arito Ogawa
  • Publication number: 20140295667
    Abstract: To improve quality or manufacturing throughput of a semiconductor device, a method includes supplying a source gas to a substrate in a process chamber; exhausting an inside of the process chamber; supplying a reaction gas to the substrate; and exhausting the inside of the process chamber, wherein the source gas and/or the reaction gas is supplied in temporally separated pulses in the supply of the source gas and/or in the supply of the reaction gas. Then, the source gas and/or the reaction gas is supplied in temporally separated pulses to form a film during a gas supply time determined by a concentration distribution of by-products formed on a surface of the substrate.
    Type: Application
    Filed: March 26, 2014
    Publication date: October 2, 2014
    Applicant: Hitachi Kokusai Electric Inc.
    Inventors: Yukinao Kaga, Arito Ogawa, Atsuro Seino, Atsuhiko Ashitani, Ryohei Maeno, Masanori Sakai
  • Publication number: 20140256152
    Abstract: A substrate processing apparatus comprising: a processing chamber that can accommodate a plurality of substrates, the interior of which is divided into a plurality of zones; a gas supply system that supplies a first reactive gas, a second reactive gas, and an inert gas to each of the plurality of zones; and an exhaust system for removing the gas from the zones. A thin film is formed on the substrates in the zones by repeatedly executing a plurality of steps in relation to the zones, these steps include the following: a first reactive gas supply step; a first purge step; a second reactive gas supply step; and a second purge step. While the film is being formed, a control unit controls the gas supply system and the gas exhaust system so that the steps performed in the plurality of zones at the same time are different from one another.
    Type: Application
    Filed: September 21, 2012
    Publication date: September 11, 2014
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventor: Arito Ogawa