Patents by Inventor Naohide Takamoto

Naohide Takamoto 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: 20120028418
    Abstract: The present invention relates to a dicing tape-integrated film for semiconductor back surface, which includes: a dicing tape including a base material layer, a first pressure-sensitive adhesive layer and a second pressure-sensitive adhesive layer stacked in this order, and a film for semiconductor back surface stacked on the second pressure-sensitive adhesive layer of the dicing tape, in which a peel strength Y between the first pressure-sensitive adhesive layer and the second pressure-sensitive adhesive layer is larger than a peel strength X between the second pressure-sensitive adhesive layer and the film for semiconductor back surface, and in which the peel strength X is from 0.01 to 0.2 N/20 mm, and the peel strength Y is from 0.2 to 10 N/20 mm.
    Type: Application
    Filed: July 27, 2011
    Publication date: February 2, 2012
    Applicant: NITTO DENKO CORPORATION
    Inventors: Fumiteru ASAI, Goji SHIGA, Naohide TAKAMOTO
  • Publication number: 20120028415
    Abstract: The present invention relates to a dicing tape-integrated film for semiconductor back surface including: a dicing tape including a base material and a pressure-sensitive adhesive layer laminated in this order, and a film for semiconductor back surface provided on the pressure-sensitive adhesive layer of the dicing tape, where the pressure-sensitive adhesive layer has a thickness of from 20 ?m to 40 ?m.
    Type: Application
    Filed: June 30, 2011
    Publication date: February 2, 2012
    Applicant: NITTO DENKO CORPORATION
    Inventors: Goji SHIGA, Naohide TAKAMOTO, Fumiteru ASAI
  • Publication number: 20120025399
    Abstract: The present invention relates to a film for flip chip type semiconductor back surface, which is to be disposed on the back surface of a semiconductor element to be flip chip-connected onto an adherend, the film containing a resin and a thermoconductive filler, in which the content of the thermoconductive filler is at least 50% by volume of the film, and the thermoconductive filler has an average particle size relative to the thickness of the film of at most 30% and has a maximum particle size relative to the thickness of the film of at most 80%.
    Type: Application
    Filed: June 30, 2011
    Publication date: February 2, 2012
    Applicant: NITTO DENKO CORPORATION
    Inventors: Naohide TAKAMOTO, Goji SHIGA, Fumiteru ASAI
  • Publication number: 20120024469
    Abstract: The present invention relates to a film for semiconductor device production, which includes: a separator; and a plurality of adhesive layer-attached dicing tapes each including a dicing tape and an adhesive layer laminated on the dicing tape, which are laminated on the separator at a predetermined interval in such a manner that the adhesive layer attaches to the separator, in which the separator has a cut formed along the outer periphery of the dicing tape, and the depth of the cut is at most ? of the thickness of the separator.
    Type: Application
    Filed: June 28, 2011
    Publication date: February 2, 2012
    Applicant: NITTO DENKO CORPORATION
    Inventors: Naohide TAKAMOTO, Goji SHIGA, Fumiteru ASAI
  • Publication number: 20120028050
    Abstract: The present invention relates to a film for flip chip type semiconductor back surface to be formed on a back surface of a semiconductor element flip chip-connected onto an adherend, the film for flip chip type semiconductor back surface having a ratio of A/B falling within a range of 1 to 8×103 (%/GPa), in which A is an elongation ratio (%) of the film for flip chip type semiconductor back surface at 23° C. before thermal curing and B is a tensile storage modulus (GPa) of the film for flip chip type semiconductor back surface at 23° C. before thermal curing.
    Type: Application
    Filed: July 27, 2011
    Publication date: February 2, 2012
    Applicant: NITTO DENKO CORPORATION
    Inventors: Goji SHIGA, Naohide TAKAMOTO, Fumiteru ASAI
  • Publication number: 20120028416
    Abstract: The present invention relates to a film for flip chip type semiconductor back surface, which is to be disposed on a back surface of a semiconductor element flip chip-connected onto an adherend, the film for flip chip type semiconductor back surface including an adhesive layer and a protective layer laminated on the adhesive layer, in which the protective layer is constituted of a heat-resistant resin having a glass transition temperature of 200° C. or more or a metal.
    Type: Application
    Filed: July 27, 2011
    Publication date: February 2, 2012
    Applicant: NITTO DENKO CORPORATION
    Inventors: Naohide TAKAMOTO, Goji SHIGA, Fumiteru ASAI
  • Publication number: 20120025404
    Abstract: The present invention relates to a film for flip chip type semiconductor back surface to be formed on the back surface of a semiconductor element flip chip-connected to an adherend, the film for flip chip type semiconductor back surface having a tensile storage elastic modulus at 25° C. after thermal curing within a range of from 10 GPa to 30 GPa, in which the tensile storage elastic modulus at 25° C. after thermal curing of the film for flip chip type semiconductor back surface falls within a range of from 4 times to 20 times the tensile storage elastic modulus at 25° C. before thermal curing thereof.
    Type: Application
    Filed: July 27, 2011
    Publication date: February 2, 2012
    Applicant: NITTO DENKO CORPORATION
    Inventors: Goji SHIGA, Naohide TAKAMOTO, Fumiteru ASAI
  • Publication number: 20120028442
    Abstract: The present invention relates to a thermally releasable sheet-integrated film for semiconductor back surface, which includes: a pressure-sensitive adhesive sheet including a base material layer and a pressure-sensitive adhesive layer, and a film for semiconductor back surface formed on the pressure-sensitive adhesive layer of the pressure-sensitive adhesive sheet, in which the pressure-sensitive adhesive sheet is a thermally releasable pressure-sensitive adhesive sheet whose peel force from the film for semiconductor back surface decreases upon heating.
    Type: Application
    Filed: July 26, 2011
    Publication date: February 2, 2012
    Applicant: NITTO DENKO CORPORATION
    Inventors: Naohide TAKAMOTO, Goji SHIGA, Fumiteru ASAI
  • Publication number: 20120025400
    Abstract: The present invention relates to a film for flip chip type semiconductor back surface to be formed on a back surface of a semiconductor element flip chip-connected onto an adherend, in which the film for flip chip type semiconductor back surface before thermal curing has, at the thermal curing thereof, a volume contraction ratio within a range of 23° C. to 165° C. of 100 ppm/° C. to 400 ppm/° C.
    Type: Application
    Filed: July 27, 2011
    Publication date: February 2, 2012
    Applicant: NITTO DENKO CORPORATION
    Inventors: Yusuke KOMOTO, Naohide TAKAMOTO, Goji SHIGA, Fumiteru ASAI
  • Publication number: 20120018903
    Abstract: The present invention relates to a film for flip chip type semiconductor back surface to be formed on a back surface of a semiconductor element flip chip-connected onto an adherend, the film having a light transmittance at a wavelength of 532 nm or 1064 nm of 20% or less, and having a contrast between a marking part and a part other than the marking part after laser marking of 20% or more.
    Type: Application
    Filed: July 19, 2011
    Publication date: January 26, 2012
    Applicant: NITTO DENKO CORPORATION
    Inventors: Naohide TAKAMOTO, Goji SHIGA, Fumiteru ASAI
  • Publication number: 20120018902
    Abstract: The present invention relates to a film for flip chip type semiconductor back surface to be formed on a back surface of a semiconductor element flip chip-connected to an adherend, the film for flip chip type semiconductor back surface containing an inorganic filler in an amount within a range of 70% by weight to 95% by weight based on the whole of the film for flip chip type semiconductor back surface.
    Type: Application
    Filed: July 18, 2011
    Publication date: January 26, 2012
    Applicant: NITTO DENKO CORPORATION
    Inventors: Naohide TAKAMOTO, Goji SHIGA, Fumiteru ASAI
  • Publication number: 20120021174
    Abstract: The present invention relates to a film for flip chip type semiconductor back surface to be formed on a back surface of a semiconductor element flip chip-connected to an adherend, wherein said film has, on one surface thereof where said film does not face the back surface of the semiconductor element when said film is formed on the back surface of the semiconductor element, a surface roughness (Ra) within a range of from 50 nm to 3 ?m before curing.
    Type: Application
    Filed: June 28, 2011
    Publication date: January 26, 2012
    Applicant: NITTO DENKO CORPORATION
    Inventors: Naohide TAKAMOTO, Goji SHIGA, Fumiteru ASAI
  • Publication number: 20110256669
    Abstract: The present invention provides a dicing tape-integrated film for semiconductor back surface, including a film for flip chip type semiconductor back surface for protecting a back surface of a semiconductor element flip chip-connected onto an adherend, and a dicing tape, the dicing tape including a base material and a pressure-sensitive adhesive layer provided on the base material, the film for flip chip type semiconductor back surface being formed on the pressure-sensitive adhesive layer, in which the pressure-sensitive adhesive layer is a radiation-curable pressure-sensitive adhesive layer whose pressure-sensitive adhesive force toward the film for flip chip type semiconductor back surface is decreased by irradiation with a radiation ray.
    Type: Application
    Filed: April 18, 2011
    Publication date: October 20, 2011
    Applicant: NITTO DENKO CORPORATION
    Inventors: Naohide TAKAMOTO, Goji SHIGA, Fumiteru ASAI, Toshimasa SUGIMURA
  • Publication number: 20110254176
    Abstract: The present invention provides a dicing tape-integrated film for semiconductor back surface including: a dicing tape including a base material and a pressure-sensitive adhesive layer on the base material; and a film for flip chip type semiconductor back surface, which is provided on the pressure-sensitive adhesive layer, in which at least a part of the pressure-sensitive adhesive layer has been cured beforehand by irradiation with a radiation ray.
    Type: Application
    Filed: April 18, 2011
    Publication date: October 20, 2011
    Applicant: NITTO DENKO CORPORATION
    Inventors: Naohide TAKAMOTO, Goji SHIGA, Fumiteru ASAI, Akiyoshi YAMAMOTO, Tomokazu TAKAHASHI
  • Publication number: 20110156277
    Abstract: The present invention provides a dicing tape-integrated film for semiconductor back surface, which includes: a dicing tape including a base material and a pressure-sensitive adhesive layer provided on the base material; and a film for flip chip type semiconductor back surface provided on the pressure-sensitive adhesive layer, in which the film for flip chip type semiconductor back surface contains a black pigment.
    Type: Application
    Filed: December 22, 2010
    Publication date: June 30, 2011
    Applicant: NITTO DENKO CORPORATION
    Inventors: Naohide TAKAMOTO, Takeshi MATSUMURA, Goji SHIGA
  • Publication number: 20110156280
    Abstract: The present invention provides a dicing tape-integrated film for semiconductor back surface, which includes: a dicing tape including a base material and a pressure-sensitive adhesive layer provided on the base material; and a film for flip chip type semiconductor back surface provided on the pressure-sensitive adhesive layer, in which a peel force (temperature: 23° C., peeling angle: 180°, tensile rate: 300 mm/min) between the pressure-sensitive adhesive layer of the dicing tape and the film for flip chip type semiconductor back surface is from 0.05 N/20 mm to 1.5 N/20 mm.
    Type: Application
    Filed: December 22, 2010
    Publication date: June 30, 2011
    Applicant: NITTO DENKO CORPORATION
    Inventors: Naohide TAKAMOTO, Takeshi MATSUMURA, Goji SHIGA
  • Publication number: 20110156279
    Abstract: The present invention provides a film for flip chip type semiconductor back surface, which is to be formed on a back surface of a semiconductor element flip-chip connected on an adherend, the film including a wafer adhesion layer and a laser marking layer, in which the wafer adhesion layer has a light transmittance of 40% or more in terms of a light having a wavelength of 532 nm and the laser marking layer has a light transmittance of less than 40% in terms of a light having a wavelength of 532 nm.
    Type: Application
    Filed: December 22, 2010
    Publication date: June 30, 2011
    Applicant: NITTO DENKO CORPORATION
    Inventors: Naohide TAKAMOTO, Takeshi MATSUMURA, Goji SHIGA
  • Publication number: 20110156278
    Abstract: The present invention provides a film for flip chip type semiconductor back surface, which is to be formed on a back surface of a semiconductor element flip-chip connected on an adherend, the film including a wafer adhesion layer and a laser marking layer, in which the wafer adhesion layer has an elastic modulus (at 50° C.) of 10 MPa or less and the laser marking layer has an elastic modulus (at 50° C.) of 100 MPa or more.
    Type: Application
    Filed: December 22, 2010
    Publication date: June 30, 2011
    Applicant: NITTO DENKO CORPORATION
    Inventors: Naohide TAKAMOTO, Takeshi MATSUMURA, Goji SHIGA
  • Publication number: 20110084413
    Abstract: An object thereof is to provide a thermosetting die-bonding film that is capable of preventing warping of an adherend by suppressing curing contraction of the film after die bonding, and a dicing die-bonding film. The present invention relates to a thermosetting die-bonding film for adhering and fixing a semiconductor element onto an adherend, wherein the gel fraction in an organic component after thermal curing is performed by a heat treatment at 120° C. for 1 hour is 20% by weight or less, and the gel fraction in the organic component after thermal curing is performed by a heat treatment at 175° C. for 1 hour is in a range of 10 to 30% by weight.
    Type: Application
    Filed: October 13, 2010
    Publication date: April 14, 2011
    Inventors: Yuichiro Shishido, Naohide Takamoto
  • Publication number: 20110084408
    Abstract: An object of the present invention is to provide a thermosetting die-bonding film that is capable of preventing warping of an adherend by suppressing curing contraction of the film after die bonding, and a dicing die-bonding film. The present invention relates to a thermosetting die-bonding film for adhering and fixing a semiconductor element onto an adherend, comprising at least an epoxy resin and a phenol resin as a thermosetting component, wherein the ratio of the number of moles of epoxy groups to the number of moles of phenolic hydroxyl groups in the thermosetting component is in a range of 1.5 to 6.
    Type: Application
    Filed: October 13, 2010
    Publication date: April 14, 2011
    Inventors: Yuichiro Shishido, Naohide Takamoto