Patents by Inventor Tomonori Aoyama

Tomonori 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).

  • Publication number: 20080138969
    Abstract: A method of manufacturing a semiconductor device having a MOSFET of a first conductivity type and a MOSFET of a second conductivity type different from the first conductivity type formed on a semiconductor substrate, the method has: forming a gate insulating film; forming a first gate electrode layer, and forming a second gate electrode layer; forming a first metal containing layer on said first gate electrode layer and said second gate electrode layer; forming a second metal containing layer for preventing diffusion of a metal on said first metal containing layer; forming a third metal containing layer on said second gate electrode layer from which said first metal containing layer and said second metal containing layer are selectively removed, the third metal containing layer having a thickness different from the thickness of said first metal containing layer in a case where the third metal containing layer contains the same metal or alloy as the metal or alloy contained in said first metal containing layer
    Type: Application
    Filed: November 30, 2007
    Publication date: June 12, 2008
    Inventors: Akio Kaneko, Motoyuki Sato, Katsuyuki Sekine, Tomohiro Saito, Kazuaki Nakajima, Tomonori Aoyama
  • Publication number: 20080096676
    Abstract: A constant velocity joint, wherein the tilt angle of a first trunnion relative to a plane crossing perpendicularly to the axis of a second shaft is set to be different from the tilt angle of a second trunnion and the tilt angle of a third trunnion.
    Type: Application
    Filed: January 19, 2006
    Publication date: April 24, 2008
    Inventors: Tsutomu Kawakatsu, Naoto Shibata, Masato Saika, Tomonori Aoyama
  • Publication number: 20080054365
    Abstract: A element isolation insulating film is formed around the device regions in the silicon substrate. The device regions are formed an n-type diffusion layer region, a p-type diffusion layer region, a p-type extension region, an n-type extension region, a p-type source/drain region, an n-type source/drain region, and a nickel silicide film. Each gate dielectric film is made up of a silicon oxide film and a hafnium silicon oxynitride film. The n-type gate electrode is made up of an n-type silicon film and a nickel silicide film, and the p-type gate electrode is made up of a nickel silicide film. The hafnium silicon oxynitride films are not formed on the sidewalls of the gate electrodes.
    Type: Application
    Filed: August 16, 2007
    Publication date: March 6, 2008
    Inventor: Tomonori Aoyama
  • Patent number: 7335562
    Abstract: A method of manufacturing a semiconductor device includes forming a trench in an interlayer dielectric film on the semiconductor substrate, the trench reaching a semiconductor substrate and having a sidewall made of silicon nitride film; depositing a gate insulation film made of a HfSiO film at a temperature within a range of 200 degrees centigrade to 260 degrees centigrade, so that the HfSiO film is deposited on the semiconductor substrate which is exposed at a bottom surface of the trench without depositing the HfSiO film on the silicon nitride film; and filling the trench with a gate electrode made of metal.
    Type: Grant
    Filed: July 28, 2006
    Date of Patent: February 26, 2008
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Takuya Kobayashi, Katsuyuki Sekine, Tomonori Aoyama, Hiroshi Tomita
  • Publication number: 20070278587
    Abstract: This disclosure concerns a semiconductor device comprising a semiconductor substrate; a gate dielectric film provided on the semiconductor substrate and containing Hf, Si, and O or containing Zr, Si and O; a gate electrode of an n-channel FET provided on the gate dielectric film, the gate electrode being made of nickel silicide containing nickel at a higher content than silicon; an aluminum layer provided at a bottom portion of the gate electrode of the n-channel FET; and a gate electrode of a p-channel FET provided on the gate dielectric film, the gate electrode being made of nickel silicide containing nickel at a higher content than silicon.
    Type: Application
    Filed: May 10, 2007
    Publication date: December 6, 2007
    Inventors: Tomonori Aoyama, Tomohiro Saito, Katsuyuki Sekine, Kazuaki Nakajima, Motoyuki Sato, Takuya Kobayashi
  • Publication number: 20070215950
    Abstract: A manufacturing method of a semiconductor device according to an embodiment of this invention, includes: forming a gate dielectric film on a substrate and forming a gate electrode layer for a P-type FET on the gate dielectric film, ranging from a P-type FET region to a N-type FET region; in the P-type FET region and the N-type FET region, processing the gate electrode layer for the P-type FET, to form a gate electrode for the P-type FET in the P-type FET region, and to form a dummy gate electrode in the N-type FET region; and in the N-type FET region, forming a trench by removing the dummy gate electrode on the gate dielectric film, and forming a gate electrode for the N-type FET on the gate dielectric film by burying a gate electrode material in the trench.
    Type: Application
    Filed: March 19, 2007
    Publication date: September 20, 2007
    Inventor: Tomonori Aoyama
  • Patent number: 7265428
    Abstract: An element isolation dielectric film is formed around device regions in a silicon substrate. The device regions are an n-type diffusion region, a p-type diffusion region, a p-type extension region, an n-type extension region, a p-type source/drain region, an n-type source/drain region, and a nickel silicide film. Each gate dielectric film includes a silicon oxide film and a hafnium silicate nitride film. The n-type gate electrode includes an n-type silicon film and a nickel silicide film, and the p-type gate electrode includes a nickel silicide film. The hafnium silicate nitride films are not on the sidewalls of the gate electrodes.
    Type: Grant
    Filed: December 21, 2004
    Date of Patent: September 4, 2007
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Tomonori Aoyama
  • Publication number: 20070190768
    Abstract: A method of manufacturing a semiconductor device, includes forming a gate insulating film on a semiconductor substrate, and forming a gate electrode on the gate insulting film, wherein forming the gate insulating film includes forming a metal silicate film, and a silicon source used for forming the metal silicate film includes at least one of a first hydrocarbon silicon compound obtained by replacing at least one of hydrogen atoms in monosilane with an alkyl group, a second hydrocarbon silicon compound obtained by replacing at least one of hydrogen atoms in disilane with an alkyl group, and a third hydrocarbon silicon compound obtained by replacing at least one of hydrogen atoms in trisilane with an alkyl group.
    Type: Application
    Filed: January 30, 2007
    Publication date: August 16, 2007
    Inventors: Motoyuki Sato, Tomonori Aoyama
  • Publication number: 20070167243
    Abstract: An annular member is installed on a circular cylinder section of a trunnion, and a roller member, in the inner periphery of which a needle bearing is held, is installed on the circular cylinder section. The needle bearing is held between a flange section formed on one end of the roller member and the annular member installed on the trunnion with a predetermined gap between them. Further, a gap (X) between the needle bearing and the annular member is set to satisfy the following relationship. X>R/2ยท(1/cos ? max?1) where R: Radius of rotation of the center of the roller member relative to the center axis of an outer member. ? max: Maximum inclination angle of an inner member.
    Type: Application
    Filed: March 1, 2005
    Publication date: July 19, 2007
    Inventors: Tsutomu Kawakatsu, Takahiro Ogura, Naoto Shibata, Shouichi Nakano, Tomonori Aoyama
  • Publication number: 20070126063
    Abstract: A semiconductor device includes a semiconductor substrate; a gate insulation film formed on the semiconductor substrate; a silicide gate electrode of an n-type MISFET formed on the gate insulation film; and a silicide gate electrode of a p-type MISFET formed on the gate insulation film and having a thickness smaller than that of the silicide gate electrode of the n-type MISFET, the silicide gate electrode of the p-type MISFET having a ratio of metal content higher than that of the silicide gate electrode of the n-type MISFET.
    Type: Application
    Filed: November 17, 2006
    Publication date: June 7, 2007
    Inventor: Tomonori Aoyama
  • Publication number: 20070093032
    Abstract: A method of manufacturing a semiconductor device includes forming a trench in an interlayer dielectric film on the semiconductor substrate, the trench reaching a semiconductor substrate and having a sidewall made of silicon nitride film; depositing a gate insulation film made of a HfSiO film at a temperature within a range of 200 degrees centigrade to 260 degrees centigrade, so that the HfSiO film is deposited on the semiconductor substrate which is exposed at a bottom surface of the trench without depositing the HfSiO film on the silicon nitride film; and filling the trench with a gate electrode made of metal.
    Type: Application
    Filed: July 28, 2006
    Publication date: April 26, 2007
    Inventors: Takuya Kobayashi, Katsuyuki Sekine, Tomonori Aoyama, Hiroshi Tomita
  • Publication number: 20060211502
    Abstract: Roller members of a constant velocity universal joint are externally fitted to trunnions with a plurality of needle bearings interposed between the roller members and the trunnions. The roller member has an inner diameter portion having an L-shaped cross section by a flange section which protrudes radially inwardly and an annular recess section which is provided and defined by a gap with respect to the trunnion. The plurality of needle bearings are retained on the inner diameter portion of the roller member by paste wax.
    Type: Application
    Filed: March 18, 2004
    Publication date: September 21, 2006
    Applicant: Honda Motor Co., Ltd.
    Inventors: Tsutomu Kawakatsu, Naoto Shibata, Takahiro Ogura, Tomonori Aoyama, Masanori Kosugi
  • Publication number: 20050199963
    Abstract: An element isolation dielectric film is formed around device regions in a silicon substrate. The device regions are an n-type diffusion region, a p-type diffusion region, a p-type extension region, an n-type extension region, a p-type source/drain region, an n-type source/drain region, and a nickel silicide film. Each gate dielectric film includes a silicon oxide film and a hafnium silicate nitride film. The n-type gate electrode includes an n-type silicon film and a nickel silicide film, and the p-type gate electrode includes a nickel silicide film. The hafnium silicate nitride films are not on the sidewalls of the gate electrodes.
    Type: Application
    Filed: December 21, 2004
    Publication date: September 15, 2005
    Applicant: Semiconductor Leading Edge Technologies, Inc.
    Inventor: Tomonori Aoyama
  • Publication number: 20050181607
    Abstract: A semiconductor device includes a first insulating film on a silicon substrate and a second insulating film on the first insulating film. The first insulating film is a silicon oxide film having a thickness of 1 nm or less and a suboxide content of 30% or less. The second insulating film is a high dielectric constant insulating film.
    Type: Application
    Filed: March 31, 2005
    Publication date: August 18, 2005
    Applicant: Kabushiki Kaisha Toshiba
    Inventor: Tomonori Aoyama
  • Patent number: 6909156
    Abstract: A semiconductor device includes a first insulating film on a silicon substrate and a second insulating film on the first insulating film. The first insulating film is a silicon oxide film having a thickness of 1 nm or less and a suboxide content of 30% or less. The second insulating film is a high dielectric constant insulating film.
    Type: Grant
    Filed: March 29, 2004
    Date of Patent: June 21, 2005
    Assignee: Abushiki Kaisha Toshiba
    Inventor: Tomonori Aoyama
  • Publication number: 20040188778
    Abstract: A semiconductor device includes a first insulating film on a silicon substrate and a second insulating film on the first insulating film. The first insulating film is a silicon oxide film having a thickness of 1 nm or less and a suboxide content of 30% or less. The second insulating film is a high dielectric constant insulating film.
    Type: Application
    Filed: March 29, 2004
    Publication date: September 30, 2004
    Applicant: Semiconductor Leading Edge Technologies, Inc.
    Inventor: Tomonori Aoyama
  • Patent number: 6794286
    Abstract: A semiconductor device comprises a semiconductor substrate in which a semiconductor element is formed, an interlayer insulating film formed on the semiconductor substrate, an insulating barrier layer, formed on the interlayer insulating film by plasma nitriding, for preventing diffusion of a metal constituting a wiring layer, a conductive barrier layer, formed on the insulating barrier layer, for preventing diffusion of the metal, and a wiring layer formed of the metal on the conductive barrier layer. A bottom portion of the wiring layer is protected by the conductive barrier layer and the insulating barrier layer. Therefore, the diffusion of the metal constituting the wiring layer can be surely prevented.
    Type: Grant
    Filed: April 26, 2000
    Date of Patent: September 21, 2004
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Hisako Aoyama, Kyoichi Suguro, Hiromi Niiyama, Hitoshi Tamura, Hisataka Hayashi, Tomonori Aoyama, Gaku Minamihaba, Tadashi Iijima
  • Publication number: 20020173116
    Abstract: A semiconductor device comprises a semiconductor substrate in which a semiconductor element is formed, an interlayer insulating film formed on the semiconductor substrate, an insulating barrier layer, formed on the interlayer insulating film by plasma nitriding, for preventing diffusion of a metal constituting a wiring layer, a conductive barrier layer, formed on the insulating barrier layer, for preventing diffusion of the metal, and a wiring layer formed of the metal on the conductive barrier layer. A bottom portion of the wiring layer is protected by the conductive barrier layer and the insulating barrier layer. Therefore, the diffusion of the metal constituting the wiring layer can be surely prevented.
    Type: Application
    Filed: April 26, 2000
    Publication date: November 21, 2002
    Inventors: Hisako Apyama, Kyoichi Suguro, Hitoshi Tamura, Hisataka Hayashi, Tomonori Aoyama, Gaku Minamihaba, Tadashi Iijima
  • Patent number: 6297122
    Abstract: An SrRuO3 film as the lower electrode and upper electrode of a capacitor is formed by CVD using a gas mixture of Sr(THD)2 and Ru(THD)3 as source gases. A BaxSr1-xRuO3 film is used as a capacitor insulating film.
    Type: Grant
    Filed: September 30, 1999
    Date of Patent: October 2, 2001
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Kazuhiro Eguchi, Tomonori Aoyama
  • Patent number: 6278164
    Abstract: A p-type silicon substrate has an element isolation region of an STI structure formed therein. A transistor region isolated by the isolation region has a n-type source/drain diffusion layer. Further, a p-channel impurity layer is formed substantially only in its channel region for controlling its threshold voltage (Vth). A gate insulator film consisting of a high dielectric film is formed on the channel region with an Si3N4 film interposed therebetween. A metal gate electrode having its bottom and side surfaces covered with the gate insulator film is provided in a self-alignment manner with respect to the source/drain diffusion layer.
    Type: Grant
    Filed: December 23, 1997
    Date of Patent: August 21, 2001
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Katsuhiko Hieda, Yoshitaka Tsunashima, Keitaro Imai, Tomonori Aoyama