Patents by Inventor Nobuyuki Kurashima

Nobuyuki Kurashima 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: 20110195888
    Abstract: Post-CMP treating liquids are provided, one of which includes water, an amphoteric surfactant, an anionic surfactant, a complexing agent, resin particles having carboxylic group and sulfonyl group on their surfaces, a primary particle diameter thereof ranging from 10 to 60 nm, and tetramethyl ammonium hydroxide. Another includes water, polyphenol, an anionic surfactant, ethylene diamine tetraacetic acid, resin particles having carboxylic group and sulfonyl group on their surfaces, a primary particle diameter thereof ranging from 10 to 60 nm, and tetramethyl ammonium hydroxide. Both of the treating liquids have a pH ranging from 4 to 9, and exhibit a polishing rate both of an insulating film and a conductive film at a rate of 10 nm/min or less.
    Type: Application
    Filed: April 21, 2011
    Publication date: August 11, 2011
    Inventors: Nobuyuki KURASHIMA, Gaku Minamihaba, Yoshikuni Tateyama, Hiroyuki Yano
  • Patent number: 7951717
    Abstract: Post-CMP treating liquids are provided, one of which includes water, an amphoteric surfactant, an anionic surfactant, a complexing agent, resin particles having carboxylic group and sulfonyl group on their surfaces, a primary particle diameter thereof ranging from 10 to 60 nm, and tetramethyl ammonium hydroxide. Another includes water, polyphenol, an anionic surfactant, ethylene diamine tetraacetic acid, resin particles having carboxylic group and sulfonyl group on their surfaces, a primary particle diameter thereof ranging from 10 to 60 nm, and tetramethyl ammonium hydroxide. Both of the treating liquids have a pH ranging from 4 to 9, and exhibit a polishing rate both of an insulating film and a conductive film at a rate of 10 nm/min or less.
    Type: Grant
    Filed: December 31, 2007
    Date of Patent: May 31, 2011
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Nobuyuki Kurashima, Gaku Minamihaba, Yoshikuni Tateyama, Hiroyuki Yano
  • Publication number: 20110062374
    Abstract: A CMP slurry for metallic film is provided, which includes water, 0.01 to 0.3 wt %, based on a total quantity of the slurry, of polyvinylpyrrolidone having a weight average molecular weight of not less than 20,000, an oxidizing agent, a protective film-forming agent containing a first complexing agent for forming a water-insoluble complex and a second complexing agent for forming a water-soluble complex, and colloidal silica having a primary particle diameter ranging from 5 to 50 nm.
    Type: Application
    Filed: November 12, 2010
    Publication date: March 17, 2011
    Inventors: Gaku Minamihaba, Dai Fukushima, Nobuyuki Kurashima, Susumu Yamamoto, Hiroyuki Yano
  • Patent number: 7842191
    Abstract: A CMP slurry for metallic film is provided, which includes water, 0.01 to 0.3 wt %, based on a total quantity of the slurry, of polyvinylpyrrolidone having a weight average molecular weight of not less than 20,000, an oxidizing agent, a protective film-forming agent containing a first complexing agent for forming a water-insoluble complex and a second complexing agent for forming a water-soluble complex, and colloidal silica having a primary particle diameter ranging from 5 to 50 nm.
    Type: Grant
    Filed: January 27, 2006
    Date of Patent: November 30, 2010
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Gaku Minamihaba, Dai Fukushima, Nobuyuki Kurashima, Susumu Yamamoto, Hiroyuki Yano
  • Patent number: 7833431
    Abstract: An aqueous dispersion for chemical mechanical polishing is provided, which includes water and a resin particle. The resin particles accompany with a projection having a curvature radius ranging from 10 nm to 1.65 ?m on a surface. The maximum length of the resin particles is not more than 5 ?m and is 2.5 to 25 times as large as the curvature radius.
    Type: Grant
    Filed: November 17, 2006
    Date of Patent: November 16, 2010
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Gaku Minamihaba, Nobuyuki Kurashima, Dai Fukushima, Yukiteru Matsui, Susumu Yamamoto, Hiroyuki Yano
  • Patent number: 7827681
    Abstract: There are provided the steps of mounting a semiconductor chip on a first substrate, providing an underfill resin between the semiconductor chip and the first substrate, forming a through hole on a second substrate, providing an electrode on the second substrate, bonding the first and second substrates to include the semiconductor chip through the electrode, and filling a sealing resin between the first and second substrates at a filling pressure capable of correcting a warpage generated on the semiconductor chip and the first substrate while discharging air from the through hole.
    Type: Grant
    Filed: June 12, 2008
    Date of Patent: November 9, 2010
    Assignee: Shinko Electric Industries Co., Ltd.
    Inventors: Nobuyuki Kurashima, Tadashi Arai, Hajime Iizuka
  • Patent number: 7825028
    Abstract: Disclosed is a method for manufacturing a semiconductor device comprising forming a hydrophobic interlayer insulating film having a relative dielectric constant of 3.5 or less above a semiconductor substrate, forming a recess in the interlayer insulating film, depositing a conductive material above the interlayer insulating film having the recess to form a conductive layer, selectively removing the conductive material deposited above the interlayer insulating film by polishing to expose a surface of the interlayer insulating film while leaving the conductive material in the recess, and subjecting the surface of the interlayer insulating film having the recess filled with the conductive material to pressure washing using a resin member and an alkaline washing liquid containing an inorganic alkali and exhibiting a pH of more than 9.
    Type: Grant
    Filed: October 23, 2008
    Date of Patent: November 2, 2010
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Nobuyuki Kurashima, Gaku Minamihaba, Hiroyuki Yano
  • Publication number: 20100155992
    Abstract: A mold resin molding method is provided with: providing a semiconductor device including a first wiring board and a second wiring board electrically connected to the first wiring board through a solder ball; providing a metal mold including a die plate which is independently provided to enable an approach/separation to/from the second wiring board; inserting the semiconductor device into a cavity of the metal mold; abutting the die plate on a surface side of the second wiring board through a release film; injecting a mold resin in a void between the first wiring board and the second wiring board while applying a first pressure from the die plate to the second wiring board; and further injecting the mold resin in the void while applying a second pressure which is higher than the first pressure from the die plate to the second wiring board.
    Type: Application
    Filed: December 22, 2009
    Publication date: June 24, 2010
    Applicant: SHINKO ELECTRIC INDUSTRIES CO., LTD.
    Inventors: Nobuyuki Kurashima, Toshio Kobayashi
  • Publication number: 20100093585
    Abstract: A post CMP treating liquid is provided, which includes water, resin particles having, on their surfaces, carboxylic group and sulfonyl group, and a primary particle diameter ranging from 10 to 60 nm, a first surfactant having carboxylic group, a second surfactant having sulfonyl group, and tetramethyl ammonium hydroxide. The resin particles are incorporated at a concentration ranging from 0.01 to 1 wt %. The treating liquid has a pH ranging from 4 to 9, and exhibits a polishing rate both of an insulating film and a conductive film at a rate of 10 nm/min or less.
    Type: Application
    Filed: December 15, 2009
    Publication date: April 15, 2010
    Inventors: Nobuyuki Kurashima, Gaku Minamihaba, Hiroyuki Yano
  • Patent number: 7655559
    Abstract: A post CMP treating liquid is provided, which includes water, resin particles having, on their surfaces, carboxylic group and sulfonyl group, and a primary particle diameter ranging from 10 to 60 nm, a first surfactant having carboxylic group, a second surfactant having sulfonyl group, and tetramethyl ammonium hydroxide. The resin particles are incorporated at a concentration ranging from 0.01 to 1 wt %. The treating liquid has a pH ranging from 4 to 9, and exhibits a polishing rate both of an insulating film and a conductive film at a rate of 10 nm/min or less.
    Type: Grant
    Filed: October 24, 2006
    Date of Patent: February 2, 2010
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Nobuyuki Kurashima, Gaku Minamihaba, Hiroyuki Yano
  • Publication number: 20090184415
    Abstract: A manufacturing method of a semiconductor device comprises: providing a first insulating film whose relative dielectric constant is at most a predetermined value above a substrate; providing a second insulating film whose relative dielectric constant is greater than the predetermined value on a surface of the first insulating film; forming a recess for a wire through the second insulating film and extending into the first insulating film, and also forming a recess for a dummy wire through the second insulating film and extending into the first insulating film spaced from a formed area of the recess for the wire; providing a conductive material inside the recess for the wire and the recess for the dummy wire; and providing a wire inside the recess for the wire and providing a dummy wire inside the recess for the dummy wire by polishing and removing the conductive material.
    Type: Application
    Filed: March 27, 2009
    Publication date: July 23, 2009
    Inventors: Nobuyuki Kurashima, Gaku Minamihaba, Dai Fukushima, Yoshikuni Tateyama, Hiroyuki Yano
  • Publication number: 20090176372
    Abstract: A chemical mechanical polishing slurry includes at least one water-soluble polymer selected from a group consisting of polyacrylic acid, polymethacrylic acid and a salt thereof each having a weight-average molecular weight of 1,000,000 to 10,000,000, ?-cyclodextrin, colloidal silica, and water.
    Type: Application
    Filed: December 19, 2008
    Publication date: July 9, 2009
    Inventors: Gaku MINAMIHABA, Nobuyuki KURASHIMA, Atsushi SHIGETA, Yoshikuni TATEYAMA, Hiroyuki YANO
  • Patent number: 7521350
    Abstract: A manufacturing method of a semiconductor device comprises: providing a first insulating film whose relative dielectric constant is at most a predetermined value above a substrate; providing a second insulating film whose relative dielectric constant is greater than the predetermined value on a surface of the first insulating film; forming a recess for a wire through the second insulating film and extending into the first insulating film, and also forming a recess for a dummy wire through the second insulating film and extending into the first insulating film spaced from a formed area of the recess for the wire; providing a conductive material inside the recess for the wire and the recess for the dummy wire; and providing a wire inside the recess for the wire and providing a dummy wire inside the recess for the dummy wire by polishing and removing the conductive material.
    Type: Grant
    Filed: March 8, 2006
    Date of Patent: April 21, 2009
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Nobuyuki Kurashima, Gaku Minamihaba, Dai Fukushima, Yoshikuni Tateyama, Hiroyuki Yano
  • Publication number: 20090068840
    Abstract: A polishing liquid is provided, which includes abrasive grains and a surfactant. The abrasive grains contain a first colloidal silica having an average primary particle diameter of 45-80 nm and a second colloidal silica having an average primary particle diameter of 10-25 nm. The weight w1 of the first colloidal silica and the weight w2 of the second colloidal silica satisfy the relationship represented by the following expression 1. 0.63?w1/(w1+w2)?0.
    Type: Application
    Filed: August 28, 2008
    Publication date: March 12, 2009
    Inventors: Gaku MINAMIHABA, Shunsuke Doi, Nobuyuki Kurashima, Yoshikuni Tateyama, Hiroyuki Yano
  • Publication number: 20090061626
    Abstract: Disclosed is a method for manufacturing a semiconductor device comprising forming a hydrophobic interlayer insulating film having a relative dielectric constant of 3.5 or less above a semiconductor substrate, forming a recess in the interlayer insulating film, depositing a conductive material above the interlayer insulating film having the recess to form a conductive layer, selectively removing the conductive material deposited above the interlayer insulating film by polishing to expose a surface of the interlayer insulating film while leaving the conductive material in the recess, and subjecting the surface of the interlayer insulating film having the recess filled with the conductive material to pressure washing using a resin member and an alkaline washing liquid containing an inorganic alkali and exhibiting a pH of more than 9.
    Type: Application
    Filed: October 23, 2008
    Publication date: March 5, 2009
    Inventors: Nobuyuki Kurashima, Gaku Minamihaba, Hiroyuki Yano
  • Patent number: 7498259
    Abstract: A method for forming a through electrode is disclosed. The through electrode integrally comprises a columnar electrode filling a through hole, a lower end electrode pad formed on a lower end side of a columnar electrode and having an area wider than the cross section of the through hole, and an upper end electrode pad formed on an upper end side of the columnar electrode and having an area wider than the cross section of the through hole. The lower end electrode pad is arranged is arranged to occlude a lower end opening of the through hole. The columnar electrode fills the through hole by laminating copper on the lower end electrode pad.
    Type: Grant
    Filed: August 7, 2006
    Date of Patent: March 3, 2009
    Assignee: Shinko Electric Industries Co., Ltd.
    Inventors: Takaharu Yamano, Nobuyuki Kurashima
  • Patent number: 7494931
    Abstract: A method for fabricating a semiconductor device includes forming a copper film above a surface of a substrate, forming on a polishing pad a material which contains copper, wherein said copper does not derive from said copper film, and after having formed the copper-containing material on said polishing pad, polishing said copper film by use of said polishing pad.
    Type: Grant
    Filed: September 26, 2006
    Date of Patent: February 24, 2009
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Dai Fukushima, Gaku Minamihaba, Hiroyuki Yano, Nobuyuki Kurashima, Susumu Yamamoto
  • Publication number: 20080307642
    Abstract: There are provided the steps of mounting a semiconductor chip on a first substrate, providing an underfill resin between the semiconductor chip and the first substrate, forming a through hole on a second substrate, providing an electrode on the second substrate, bonding the first and second substrates to include the semiconductor chip through the electrode, and filling a sealing resin between the first and second substrates at a filling pressure capable of correcting a warpage generated on the semiconductor chip and the first substrate while discharging air from the through hole.
    Type: Application
    Filed: June 12, 2008
    Publication date: December 18, 2008
    Applicant: SHINKO ELECTRIC INDUSTRIES CO., LTD.
    Inventors: Nobuyuki Kurashima, Tadashi Arai, Hajime Iizuka
  • Publication number: 20080216415
    Abstract: Post-CMP treating liquids are provided, one of which includes water, an amphoteric surfactant, an anionic surfactant, a complexing agent, resin particles having carboxylic group and sulfonyl group on their surfaces, a primary particle diameter thereof ranging from 10 to 60 nm, and tetramethyl ammonium hydroxide. Another includes water, polyphenol, an anionic surfactant, ethylene diamine tetraacetic acid, resin particles having carboxylic group and sulfonyl group on their surfaces, a primary particle diameter thereof ranging from 10 to 60 nm, and tetramethyl ammonium hydroxide. Both of the treating liquids have a pH ranging from 4 to 9, and exhibit a polishing rate both of an insulating film and a conductive film at a rate of 10 nm/min or less.
    Type: Application
    Filed: December 31, 2007
    Publication date: September 11, 2008
    Inventors: Nobuyuki KURASHIMA, Gaku Minamihaba, Yoshikuni Tateyama, Hiroyuki Yano
  • Publication number: 20080124927
    Abstract: Disclosed is a semiconductor device comprising a semiconductor substrate, a first insulating film formed above the semiconductor substrate, Cu wiring buried in the first insulating film, a second insulating film formed above the Cu wiring, and a discontinuous film made of at least one metal selected from the group consisting of Ti, Al, W, Pd, Sn, Ni, Mg and Zn, or a metal oxide thereof and interposed at an interface between the Cu wiring and the second insulating film.
    Type: Application
    Filed: October 31, 2007
    Publication date: May 29, 2008
    Inventors: Gaku Minamihaba, Hiroyuki Yano, Nobuyuki Kurashima, Susumu Yamamoto