Patents by Inventor Hideshi Miyajima

Hideshi Miyajima 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: 20040166680
    Abstract: A semiconductor device manufacturing method comprises forming a first insulating film including silicon, carbon, nitrogen, and hydrogen above a substrate in a first chamber, carrying the substrate into a second chamber other than the first chamber, and discharging a rare gas in the second chamber, and forming a second insulating film including silicon, carbon, oxygen, and hydrogen above the first insulating film after the discharging the rare gas.
    Type: Application
    Filed: December 4, 2003
    Publication date: August 26, 2004
    Inventors: Hideshi Miyajima, Kazuyuki Higashi, Keiji Fujita, Toshiaki Hasegawa, Kiyotaka Tabuchi
  • Publication number: 20040135254
    Abstract: Disclosed is a semiconductor device comprising a semiconductor substrate, a porous insulating film formed above the semiconductor substrate, the porous insulating film having a relative dielectric constant of 2.5 or less and including a first insulating material, at least a portion of pores in the porous insulating film having on the inner wall thereof a layer of a second insulating material which differs in nature from the first insulating material, and a plug and/or a wiring layer buried in the porous insulating film.
    Type: Application
    Filed: November 6, 2003
    Publication date: July 15, 2004
    Inventors: Keiji Fujita, Rempei Nakata, Hideshi Miyajima
  • Patent number: 6746969
    Abstract: A method of manufacturing a semiconductor device comprises preparing a substrate to be treated, and forming an insulation film above the substrate, which includes applying an insulation film raw material above the substrate, the insulation film raw material including a substance or a precursor of the substance, the insulation film comprising the substance, curing the insulation film raw material by irradiating an electron beam on the substrate while heating the substrate in a reactor chamber, changing at least one of parameter selected from the group consisting of pressure in the reactor chamber, temperature of the substrate, type of gas having the substrate exposed thereto, flow rate of gas introduced into the reactor chamber, position of the substrate, and quantity of electrons incident to the substrate per unit time when the electron beam is being irradiated on the substrate.
    Type: Grant
    Filed: October 19, 2001
    Date of Patent: June 8, 2004
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Miyoko Shimada, Hideshi Miyajima, Rempei Nakata, Hideto Matsuyama, Katsuya Okumura, Masahiko Hasunuma, Nobuo Hayasaka
  • Patent number: 6737363
    Abstract: A method of manufacturing a semiconductor device according to an aspect of the present invention comprises forming a low dielectric constant insulating film having a siloxane bond as main skeleton on a semiconductor substrate, causing a surfactant to permeate the low dielectric constant insulating film, and conducting a predetermined step on the low dielectric constant insulating film permeated with the surfactant in a state adapted to be exposed to water.
    Type: Grant
    Filed: September 25, 2001
    Date of Patent: May 18, 2004
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Hideshi Miyajima, Nobuhide Yamada, Nobuo Hayasaka, Nobuyuki Kurashima
  • Patent number: 6703302
    Abstract: A method for manufacturing a semiconductor device, comprising forming a low dielectric constant insulating film containing Si atoms over a semiconductor substrate, heating the low dielectric constant insulating film while irradiating the low dielectric constant insulating film with an electron beam, and exposing the low dielectric constant insulating film during or after the heating to a gas promoting the bond formation of the Si atoms.
    Type: Grant
    Filed: May 9, 2002
    Date of Patent: March 9, 2004
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Hideshi Miyajima, Miyoko Shimada, Rempei Nakata
  • Patent number: 6614096
    Abstract: Disclosed is a method for manufacturing a semiconductor device, which comprises the steps of forming a first insulating film made of a low dielectric constant material and containing carbon, subjecting the first insulating film to a surface treatment to reduce the carbon concentration of surface layer of the first insulating film, thus turning the surface layer into a low carbon concentration layer, forming a second insulating film on the low carbon concentration layer, forming a groove in the first and second insulating films for burying a metal therein, burying the metal in the groove formed in the first and second insulating films, and polishing a surface of the metal buried in the groove to thereby form a metal wiring.
    Type: Grant
    Filed: April 22, 2002
    Date of Patent: September 2, 2003
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Akihiro Kojima, Hideshi Miyajima
  • Publication number: 20030143847
    Abstract: A method of forming a low dielectric constant insulating layer according to one aspect of the present invention includes: applying a material of low dielectric constant insulating layer containing a precursor of substances to constitute the low dielectric constant insulating layer or the substances above a substrate to be processed; and curing the material of low dielectric constant insulating layer by irradiating the material of low dielectric constant insulating layer with electron beams with the substrate to be processed being heated in a treatment chamber, the electron beams being incident on the material of low dielectric constant insulating layer from a direction different from a direction vertical to a surface of the material of low dielectric constant insulating layer above the substrate.
    Type: Application
    Filed: December 19, 2002
    Publication date: July 31, 2003
    Inventors: Hideshi Miyajima, Miyoko Shimada, Rempei Nakata
  • Patent number: 6558747
    Abstract: A method of forming an insulating film which includes the steps of: dissolving in a solvent a first and second polymer which each comprise methylpolysiloxane as the main component and one of which has a weight average molecular weight at least 10 times that of the other to thereby prepare a chemical solution; applying the chemical solution to a semiconductor substrate to form a coating film; and heat-treating the coating film to thereby form an organosilicon oxide film. The weight-average molecular weight of the first polymer is preferably at least 100 times that of the second polymer. Thus, an insulating organosilicon oxide film having a low dielectric constant and high cracking resistance is formed from a coating fluid.
    Type: Grant
    Filed: December 14, 2001
    Date of Patent: May 6, 2003
    Assignees: Kabushiki Kaisha Toshiba, JSR Corporation
    Inventors: Rempei Nakata, Nobuhide Yamada, Hideshi Miyajima, Akihiro Kojima, Takahiko Kurosawa, Eiji Hayashi, Youngsoon Seo, Atsushi Shiota, Kinji Yamada
  • Patent number: 6534870
    Abstract: Al wirings of first to fifth layers are formed on a P—SiO2 film, and FSG films are formed between the wiring layers. An organic silicon oxide film is formed between wirings in one same wiring layer. The Al wirings in the first and second layers have a carbon concentration of 22 wt %, and the Al wirings in the third to fifth layers have a carbon concentration of 20 wt %.
    Type: Grant
    Filed: June 15, 2000
    Date of Patent: March 18, 2003
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Yoshiaki Shimooka, Noriaki Matsunaga, Hideki Shibata, Rempei Nakata, Hideshi Miyajima, Motonobu Kawai
  • Publication number: 20030001278
    Abstract: Disclosed is a method for manufacturing a semiconductor device, which comprises the steps of forming a first insulating film made of a low dielectric constant material and containing carbon, subjecting the first insulating film to a surface treatment to reduce the carbon concentration of surface layer of the first insulating film, thus turning the surface layer into a low carbon concentration layer, forming a second insulating film on the low carbon concentration layer, forming a groove in the first and second insulating films for burying a metal therein, burying the metal in the groove formed in the first and second insulating films, and polishing a surface of the metal buried in the groove to thereby form a metal wiring.
    Type: Application
    Filed: April 22, 2002
    Publication date: January 2, 2003
    Inventors: Akihiro Kojima, Hideshi Miyajima
  • Publication number: 20020187625
    Abstract: A semiconductor device having a plurality of wiring layers includes: a first insulating film firstly formed in layer; a first wiring layer having a plurality of wirings, formed on the first insulating film; a second wiring layer having a plurality of wirings, formed on or over the first wiring layer; and a second insulating film provided on the first insulating film formed as having a plane surface and the first wiring layer, and formed between adjacent wirings of the second wiring layer, located under the second wiring layer but on the first insulating film and the first wiring layer, at least a part of the second insulating film existing between the first and second wiring layers having a relative dielectric constant lower than a relative dielectric constant of the first insulating film.
    Type: Application
    Filed: June 12, 2002
    Publication date: December 12, 2002
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Yoshiaki Shimooka, Hideki Shibata, Hideshi Miyajima, Kazuhiro Tomioka
  • Publication number: 20020173138
    Abstract: Disclosed is a method for manufacturing a semiconductor device, comprising forming a low dielectric constant insulating film containing Si atoms over a semiconductor substrate, heating the low dielectric constant insulating film while irradiating the low dielectric constant insulating film with an electron beam, and exposing the low dielectric constant insulating film during or after the heating to a gas promoting the bond formation of the Si atoms.
    Type: Application
    Filed: May 9, 2002
    Publication date: November 21, 2002
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Hideshi Miyajima, Miyoko Shimada, Rempei Nakata
  • Publication number: 20020142623
    Abstract: Disclosed is a method for forming an insulating layer, comprising coating a substrate with an insulating film material to form a coated film, the insulating film material containing at least first and second polymers differing from each other in average molecular weight, and heating the coated film while irradiating the coated film with an electron beam.
    Type: Application
    Filed: March 26, 2002
    Publication date: October 3, 2002
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Hideshi Miyajima, Miyoko Shimada, Rempei Nakata
  • Patent number: 6458713
    Abstract: A method of forming a film, which comprises the steps of coating a liquid raw material comprising a precursor of film-forming material dissolved in a solvent, on a surface of substrate, and forming a solid film on the surface of substrate by subjecting the substrate to a plurality of heat treatments differing in heating temperature from each other. The heat treatments differing heating temperatures from each other are performed over the same single hot plate. The film to be formed may be an organic SOG film. There is also disclosed a method of manufacturing a semiconductor device, which comprises the steps of coating a liquid raw material for forming an organosilicon oxide film on a surface of semiconductor substrate, and subjecting the semiconductor substrate to a first heat treatment where the semiconductor substrate is heated in an oxidizing atmosphere and at a temperature of 200° C. or more.
    Type: Grant
    Filed: June 28, 2000
    Date of Patent: October 1, 2002
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Nobuhide Yamada, Rempei Nakata, Hideshi Miyajima, Motonobu Kawai
  • Patent number: 6436849
    Abstract: A method for manufacturing a semiconductor device, comprising controlling a humidity in an atmosphere around a low dielectric constant insulating film at 30% or less, during a processing period and a transfer period between processing equipments, in which at least a part of said low dielectric constant insulating film is exposed to the atmosphere.
    Type: Grant
    Filed: September 27, 2001
    Date of Patent: August 20, 2002
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Masahiko Hasunuma, Hideshi Miyajima, Hisashi Kaneko, Rempei Nakata
  • Publication number: 20020086169
    Abstract: A method of forming an insulating film which includes the steps of: dissolving in a solvent a first and second polymer which each comprise methylpolysiloxane as the main component and one of which has a weight average molecular weight at least 10 times that of the other to thereby prepare a chemical solution; applying the chemical solution to a semiconductor substrate to form a coating film; and heat-treating the coating film to thereby form an organosilicon oxide film. The weight-average molecular weight of the first polymer is preferably at least 100 times that of the second polymer. Thus, an insulating organosilicon oxide film having a low dielectric constant and high cracking resistance is formed from a coating fluid.
    Type: Application
    Filed: December 14, 2001
    Publication date: July 4, 2002
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Rempei Nakata, Nobuhide Yamada, Hideshi Miyajima, Akihiro Kojima, Takahiko Kurosawa, Eiji Hayashi, Youngsoon Seo, Atsushi Shiota, Kinji Yamada
  • Publication number: 20020081863
    Abstract: A method of manufacturing a semiconductor device comprises preparing a substrate to be treated, and forming an insulation film above the substrate, which includes applying an insulation film raw material above the substrate, the insulation film raw material including a substance or a precursor of the substance, the insulation film comprising the substance, curing the insulation film raw material by irradiating an electron beam on the substrate while heating the substrate in a reactor chamber, changing at least one of parameter selected from the group consisting of pressure in the reactor chamber, temperature of the substrate, type of gas having the substrate exposed thereto, flow rate of gas introduced into the reactor chamber, position of the substrate, and quantity of electrons incident to the substrate per unit time when the electron beam is being irradiated on the substrate.
    Type: Application
    Filed: October 19, 2001
    Publication date: June 27, 2002
    Inventors: Miyoko Shimada, Hideshi Miyajima, Rempei Nakata, Hideto Matsuyama, Katsuya Okumura, Masahiko Hasunuma, Nobuo Hayasaka
  • Publication number: 20020061657
    Abstract: A method of manufacturing a semiconductor device according to an aspect of the present invention comprises forming a low dielectric constant insulating film having a siloxane bond as main skeleton on a semiconductor substrate, causing a surfactant to permeate the low dielectric constant insulating film, and conducting a predetermined step on the low dielectric constant insulating film permeated with the surfactant in a state adapted to be exposed to water.
    Type: Application
    Filed: September 25, 2001
    Publication date: May 23, 2002
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Hideshi Miyajima, Nobuhide Yamada, Nobuo Hayasaka, Nobuyuki Kurashima
  • Publication number: 20020037655
    Abstract: A method for manufacturing a semiconductor device, comprising controlling a humidity in an atmosphere around a low dielectric constant insulating film at 30% or less, during a processing period and a transfer period between processing equipments, in which at least a part of said low dielectric constant insulating film is exposed to the atmosphere
    Type: Application
    Filed: September 27, 2001
    Publication date: March 28, 2002
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Masahiko Hasunuma, Hideshi Miyajima, Hisashi Kaneko, Rempei Nakata
  • Patent number: 6344420
    Abstract: In a parallel-plate type plasma processing apparatus including an upper electrode having a plurality of gas introducing inlets and a support table serving as a lower electrode opposed to the upper electrode and having a silicon wafer thereon, the open ends of the inlets are expanded in their diameter directions.
    Type: Grant
    Filed: March 14, 2000
    Date of Patent: February 5, 2002
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Hideshi Miyajima, Keiji Fujita