Patents by Inventor Yoshihiro Nakata

Yoshihiro Nakata 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: 20110223766
    Abstract: A method for manufacturing a semiconductor device includes: exposing an insulating film including a siloxane bond to an energy beam or plasma; and exposing the insulating film to a gas (excluding N2 and H2O gases) including at least one element selected from the group consisting of hydrogen, carbon, nitrogen and silicon, as an constituent element, wherein, in the exposing to the gas, after a relative permittivity of the insulating film descends by the exposing the insulating film to the gas, the exposing is completed before a time point when the relative permittivity of the insulating film first ascends.
    Type: Application
    Filed: May 20, 2011
    Publication date: September 15, 2011
    Applicant: FUJITSU LIMITED
    Inventors: Yasushi Kobayashi, Yoshihiro Nakata, Yuichi Minoura
  • Publication number: 20110193425
    Abstract: A linear actuator includes a coil portion and a shaft portion. The coil portion includes a plurality of coils respectively applied with AC currents having different phases from one another. The shaft portion passes through an inside of the plurality of coils. The shaft portion includes: a plurality of permanent magnets and a plurality of intermediate members. The plurality of permanent magnets is arranged along a central axis C such that opposite magnetization directions face to each other in a direction of the central axis C. Each of the plurality of intermediate members is arranged between adjacent two of the plurality of permanent magnets. A saturation magnetic flux density of each of the plurality of intermediate members is higher than a saturation magnetic flux density of each of the plurality of permanent magnets.
    Type: Application
    Filed: October 28, 2009
    Publication date: August 11, 2011
    Applicants: MITSUBISHI HEAVY INDUSTRIES, LTD., OSAKA UNIVERSITY
    Inventors: Ryota Hiura, Takakatsu Nozawa, Katsuhiro Hirata, Hiroshi Ishiguro, Yoshihiro Nakata
  • Publication number: 20110187002
    Abstract: A support substrate includes a first surface and a second surface located above the level of the first surface. Chips are mounted on the first surface. A first insulating film is disposed over each chip. First conductive plugs are connected to the chip extending through each first insulating film. Filler material made of resin filling a space between chips. Wirings are disposed over the first insulating film and the filler material for interconnecting different chips. The second surface, an upper surface of the first insulating film and an upper surface of the filler material are located at the same level.
    Type: Application
    Filed: February 2, 2011
    Publication date: August 4, 2011
    Applicants: FUJITSU LIMITED, SHINKO ELECTRIC INDUSTRIES CO., LTD.
    Inventors: Sadahiro Kishii, Tsuyoshi Kanki, Yoshihiro Nakata, Yasushi Kobayashi, Masato Tanaka, Akio Rokugawa
  • Patent number: 7985700
    Abstract: A method for fabricating a semiconductor device utilizing the step of forming a first insulating film of a porous material over a substrate; the step of forming on the first insulating film a second insulating film containing a silicon compound containing Si—CH3 bonds by 30-90%, and the step of irradiating UV radiation with the second insulating film formed on the first insulating film to cure the first insulating film. Thus, UV radiation having the wavelength which eliminates CH3 groups is sufficiently absorbed by the second insulating film, whereby the first insulating film is highly strengthened with priority by the UV cure, and the first insulating film can have the film density increased without having the dielectric constant increased.
    Type: Grant
    Filed: December 8, 2008
    Date of Patent: July 26, 2011
    Assignee: Fujitsu Limited
    Inventors: Shirou Ozaki, Yoshihiro Nakata, Ei Yano
  • Publication number: 20110170306
    Abstract: Disclosed is a projector-type headlight that can include a light emitting device, a reflector having a reflection surface to reflect a light from the light emitting device forward, a projector lens to project the reflected light from the reflection surface forward, the projector lens being a resin molding, and a shade to form a light distribution pattern having a light-dark border line by blocking a part of the reflected light heading from the reflection surface to the projector lens. A gate trace can be formed in a circumference portion of the projector lens. The gate trace can be provided lower than a horizontal surface on which a light axis of the projector lens passes through, and at the same time can be provided in a state of being shifted either leftward or rightward from a vertical surface on which the light axis of the projector lens passes through.
    Type: Application
    Filed: January 14, 2011
    Publication date: July 14, 2011
    Inventors: Yasushi YATSUDA, Yoshihiro NAKATA, Eiji KAWAMOTO
  • Patent number: 7928536
    Abstract: Techniques for obtaining a wiring layer with a high TDDB resistance and little leakage current, and accordingly, for manufacturing a highly reliable semiconductor device with a small electric power consumption are provided, in which an interfacial roughness reducing film is formed which is in contact with an insulator film and also in contact with a wiring line on the other side surface thereof, and has an interfacial roughness between the wiring line and the interfacial roughness reducing film smaller than that between the insulator film and the interfacial roughness reducing film.
    Type: Grant
    Filed: March 23, 2007
    Date of Patent: April 19, 2011
    Assignee: Fujitsu Limited
    Inventors: Tadahiro Imada, Yoshihiro Nakata, Ei Yano
  • Publication number: 20110068471
    Abstract: The method of manufacturing a semiconductor device includes forming an insulating film of a silicon compound-group insulation film; forming an opening in the insulation film, applying an active energy beam in an atmosphere containing hydrocarbon gas to form a barrier layer of a crystalline SiC, and forming an interconnection structure of copper in the opening with the barrier layer formed in.
    Type: Application
    Filed: November 29, 2010
    Publication date: March 24, 2011
    Applicant: FUJITSU LIMITED
    Inventors: Shirou Ozaki, Yoshihiro Nakata, Yasushi Kobayashi, Yuichi Minoura
  • Patent number: 7909701
    Abstract: A power transmission apparatus comprises a pulley mounted rotatably on a casing of a rotary device, a hub coupled to the pulley by fitting between depressions and protrusions, a power shutoff member for preventing excessive torque between a rotary shaft and the hub, and an engaging device for engaging the hub and the pulley each other. The engaging device includes a first stepped portion formed radially on the outer periphery of the hub and a second stepped portion formed radially on the inner peripheral wall of a rim of the pulley in such a manner as to engage the first stepped portion in the axial direction.
    Type: Grant
    Filed: March 27, 2008
    Date of Patent: March 22, 2011
    Assignee: DENSO CORPORATION
    Inventors: Keiji Ishikawa, Yasuo Tabuchi, Michiyasu Nosaka, Yoshihiro Nakata, Takayuki Suzuki
  • Patent number: 7875981
    Abstract: To provide an insulating film material that can be advantageously used for forming an insulating film having a low dielectric constant and excellent resistance to damage, such as etching resistance and resistance to liquid reagents, a multilayer interconnection structure in which a parasitic capacitance between the interconnections can be reduced, efficient methods for manufacturing the multilayer interconnection structure, and an efficient method for manufacturing a semiconductor device with a high speed and reliability. The insulating film material contains at least a silicon compound having a steric structure represented by Structural Formula (1) below. where, R1, R2, R3, and R4 may be the same or different and at least one of them represents a functional group containing any of a hydrocarbon and an unsaturated hydrocarbon.
    Type: Grant
    Filed: February 26, 2008
    Date of Patent: January 25, 2011
    Assignee: Fujitsu Limited
    Inventors: Yasushi Kobayashi, Yoshihiro Nakata, Shirou Ozaki
  • Publication number: 20100320618
    Abstract: An interconnection substrate including: a first insulating film made of a silicon compound, an adhesion enhancing layer formed on the first insulating film, and a second insulting film made of a silicon compound and formed on the adhesion enhancing layer, wherein the first insulating film and the second insulating film are combined together with a component having a structure represented by General Formula (1) described below: Si—CXHY—Si??General Formula (1) where X is equal to 2Y and is an integer of 1 or more.
    Type: Application
    Filed: August 24, 2010
    Publication date: December 23, 2010
    Applicant: FUJITSU LIMITED
    Inventors: Shirou Ozaki, Yoshihiro Nakata, Tadahiro Imada, Yasushi Kobayashi
  • Patent number: 7830012
    Abstract: To provide a material for forming an exposure light-blocking film which includes at least one of a silicon compound expressed by the following structural formula (1) and a silicon compound expressed by the following structural formula (2), wherein at least one of R1 and R2 is replaced by a substituent capable of absorbing exposure light. (where R1 and R2 may be the same or different, and each represents any one of a hydrogen atom, alkyl group, alkenyl group, cycloalkyl group and aryl group which are optionally substituted, and n is an integer of 2 or greater) (where R1, R2 and R3 may be the same or different, at least one of R1, R2 and R3 represents a hydrogen atom and the others represent any one of an alkyl group, alkenyl group, cycloalkyl group and aryl group which are optionally substituted, and n is an integer of 2 or greater).
    Type: Grant
    Filed: March 22, 2010
    Date of Patent: November 9, 2010
    Assignee: Fujitsu Limited
    Inventors: Shirou Ozaki, Yoshihiro Nakata
  • Patent number: 7830013
    Abstract: The present invention aims at providing: a material for forming an adhesion reinforcing layer which can reinforce the adhesion between a low dielectric constant film, especially a low dielectric constant film containing an inorganic material, and other members; an adhesion reinforcing layer formed by the said material and exhibits superior adhesion; a fast and highly reliable semiconductor device having the adhesion reinforcing layer; and a manufacturing method thereof. The material for forming an adhesion reinforcing layer contains at least any one of organoalkoxysilane having a basic functional group, a basic additive and organoalkoxysilane. The adhesion reinforcing layer is formed by the said material. The manufacturing method of a semiconductor device includes a process for forming a low dielectric constant film and, at least before or after the process for forming a low dielectric constant film, a process for forming an adhesion reinforcing layer with the said material.
    Type: Grant
    Filed: April 3, 2006
    Date of Patent: November 9, 2010
    Assignee: Fujitsu Limited
    Inventors: Junichi Kon, Ei Yano, Yoshihiro Nakata, Tadahiro Imada
  • Publication number: 20100210106
    Abstract: A method for fabricating a semiconductor includes the steps of forming a porous insulation film and wires on a substrate, the wires embedded in the porous insulation film having a portion adjacent to the wires and a remote portion spaced apart from the wires; and applying an energy beam to the remote portion to change the structure of the porous insulation film such that an Young's modulus of the porous insulation film increased so as to substantially reinforce the strength of the porous insulation film.
    Type: Application
    Filed: April 28, 2010
    Publication date: August 19, 2010
    Applicant: FUJITSU LIMITED
    Inventors: Shoichi SUDA, Shino TOKUYO, Yoshihiro NAKATA, Azuma MATSUURA
  • Publication number: 20100176496
    Abstract: To provide a material for forming an exposure light-blocking film which includes at least one of a silicon compound expressed by the following structural formula (1) and a silicon compound expressed by the following structural formula (2), wherein at least one of R1 and R2 is replaced by a substituent capable of absorbing exposure light.
    Type: Application
    Filed: March 22, 2010
    Publication date: July 15, 2010
    Applicant: FUJITSU LIMITED
    Inventors: Shirou Ozaki, Yoshihiro Nakata
  • Publication number: 20100155121
    Abstract: The silica film forming material of the present invention comprises a silicone polymer which comprises, as part of its structure, CHx, an Si—O—Si bond, an Si—CH3 bond and an Si—CHx- bond, where x represents an integer of 0 to 2.
    Type: Application
    Filed: December 17, 2009
    Publication date: June 24, 2010
    Applicant: FUJITSU LIMITED
    Inventors: Yoshihiro Nakata, Ei Yano
  • Publication number: 20100140807
    Abstract: An insulating film material, which contains a polycarbosilane compound expressed by the following structural formula 1; where R1 may be the same or different to each other in the unit repeated “n” times, and each represents C1-4 hydrocarbon or aromatic hydrocarbon; R2 may be the same or different to each other in the unit repeated “n” times, and each represents C1-4 hydrocarbon or aromatic hydrocarbon; n is an integer of 5 to 5,000.
    Type: Application
    Filed: December 29, 2009
    Publication date: June 10, 2010
    Applicant: FUJITSU LIMITED
    Inventors: Yasushi Kobayashi, Yoshihiro Nakata, Shirou Ozaki
  • Patent number: 7732927
    Abstract: The method includes the steps of forming a porous insulation film and wires on the substrate, the wires embedded in the porous insulation film having a portion adjacent to the wires and a remote portion spaced apart from the wires; and applying an energy beam to the remote portion to change the structure of the porous insulation film such that an Young's modulus of the porous insulation film increased so as to substantially reinforce the strength of the porous insulation film.
    Type: Grant
    Filed: November 21, 2007
    Date of Patent: June 8, 2010
    Assignee: Fujitsu Limited
    Inventors: Shoichi Suda, Shino Tokuyo, Yoshihiro Nakata, Azuma Matsuura
  • Publication number: 20100133692
    Abstract: A silicic coating of 2.4 g/cm3 or higher density, obtained by forming a silicic coating precursor with the use of at least one type of silane compound having a photosensitive functional group and thereafter irradiating the silicic coating precursor with at least one type of light. This silicic coating can be used as a novel barrier film or stopper film for semiconductor device.
    Type: Application
    Filed: February 4, 2010
    Publication date: June 3, 2010
    Applicant: FUJITSU LIMITED
    Inventors: Yasushi Kobayashi, Kouta Yoshikawa, Yoshihiro Nakata, Tadahiro Imada, Shirou Ozaki
  • Patent number: 7728065
    Abstract: To provide a material for forming an exposure light-blocking film which includes at least one of a silicon compound expressed by the following structural formula (1) and a silicon compound expressed by the following structural formula (2), wherein at least one of R1 and R2 is replaced by a substituent capable of absorbing exposure light.
    Type: Grant
    Filed: June 30, 2006
    Date of Patent: June 1, 2010
    Assignee: Fujitsu Limited
    Inventors: Shirou Ozaki, Yoshihiro Nakata
  • Patent number: 7709394
    Abstract: A method for processing a substrate having an insulation film and a metal layer thereon comprises the steps of supplying a carboxylic acid anhydride to the substrate, and heating the substrate during the step of supplying the carboxylic acid anhydride to the substrate.
    Type: Grant
    Filed: March 19, 2007
    Date of Patent: May 4, 2010
    Assignees: Tokyo Electron Limited, Fujitsu Limited, Ebara Corporation
    Inventors: Hidenori Miyoshi, Kenji Ishikawa, Yukio Takigawa, Yoshihiro Nakata, Hideki Tateishi