Patents by Inventor Yu Iwai

Yu Iwai 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: 20160168422
    Abstract: Provided are a laminate capable of providing a temporary support for a member to be treated by a strongly adhesive force when the member to be treated is subjected to a mechanical or chemical treatment, and of easily releasing the temporary support for the treated member while not damaging the treated member, in which the TTV of the treated member is excellent; a composition for forming a protective layer; a composition for forming an adhesive layer; and a kit. The laminate has, on a support (A), an adhesive layer having a softening point of 250° C. or higher (B), a protective layer (C), and a device wafer (D) in this order, in which the adhesive layer (B) is a cured product of an adhesive layer precursor and the adhesive layer precursor has a polymerizable compound (b-1).
    Type: Application
    Filed: February 19, 2016
    Publication date: June 16, 2016
    Applicant: FUJIFILM Corporation
    Inventors: Yu IWAI, Ichiro KOYAMA, Yoshitaka KAMOCHI
  • Publication number: 20160104635
    Abstract: Provided is temporary bonding laminates for used in a manufacture of semiconductor devices, by which a member to be processed can be temporarily supported securely and readily during a mechanical or chemical process of the member to be processed and then the processed member can be readily released from the temporary support without damaging the processed member even after a high temperature process, and processes for manufacturing semiconductor devices. The temporary bonding laminate includes comprising (A) a release layer and (B) an adhesive layer wherein the release layer (A) comprises (a1) a resin 1 having a softening point of 200° C. or more and (a2) a resin 2; the resin 2 after curing has capable of being dissolved at 5% by mass or more, at 25° C., in at least one of solvents selected from hexane and the like.
    Type: Application
    Filed: September 25, 2015
    Publication date: April 14, 2016
    Applicant: FUJIFILM Corporation
    Inventors: Ichiro KOYAMA, Yu IWAI
  • Publication number: 20160075922
    Abstract: By a temporary adhesive for production of semiconductor device containing (A) a radical polymerizable monomer or oligomer containing a fluorine atom or a silicon atom, (B) a polymer compound, and (C) a radical polymerization initiator, a temporary adhesive for production of semiconductor device, which is excellent in coating property, which reduces a problem of generation of gas therefrom in the temporary support even under high temperature condition when the member to be processed (for example, a semiconductor wafer) is subjected to a mechanical or chemical processing, and further which can easily release the temporary support for the member processed without imparting damage to the member processed even after being subjected to a process at a high temperature, and an adhesive support and a production method of semiconductor device using the same are provided.
    Type: Application
    Filed: November 30, 2015
    Publication date: March 17, 2016
    Applicant: FUJIFILM Corporation
    Inventors: Yu IWAI, Kazuhiro FUJIMAKI, Ichiro KOYAMA, Atsushi NAKAMURA
  • Publication number: 20160035612
    Abstract: Provided is temporary bonding laminates for used in a manufacture of semiconductor devices, by which a member to be processed (a semiconductor wafer or the like) can be temporarily supported securely and readily during a mechanical or chemical process of the member to be processed and then the processed member can be readily released from the temporary support without damaging the processed member even after a high temperature process, and processes for manufacturing semiconductor devices. The temporary bonding laminate includes (A) a release layer and (B) an adhesive layer, wherein the release layer (A) comprises (a1) a first release layer having a softening point of 200° C. or more and adjoining the adhesive layer (B), and (a2) a second release layer adjoining the first release layer (a1); the second release layer (a2) contains a resin; and the resin after curing has a capable of being dissolved at 5% by mass or more, at 25° C., in at least one kind of solvents selected from hexane and the like.
    Type: Application
    Filed: September 25, 2015
    Publication date: February 4, 2016
    Applicant: FUJIFILM Corporation
    Inventors: Ichiro KOYAMA, Yu IWAI, Masafumi YOSHIDA
  • Publication number: 20160013088
    Abstract: A temporary bonding laminate for use in the manufacture of semiconductor devices and a method for manufacturing semiconductor devices are provided. A member to be processed (a semiconductor wafer or the like) can be temporarily supported securely and readily during a mechanical or chemical process of the member, and then the processed member can be readily released from the temporary support without damaging the processed member even after a high temperature process. The laminate includes: (A) a release layer and (B) an adhesive layer. The release layer contains (a1) a compound being liquid at 25° C. and having a 5% mass reduction temperature of 250° C. or more when measured in a nitrogen gas stream under heating conditions of a constant heating rate of 20° C./min; and (a2) a binder having a 5% mass reduction temperature of 250° C. or more when measured under the same conditions.
    Type: Application
    Filed: September 25, 2015
    Publication date: January 14, 2016
    Applicant: FUJIFILM CORPORATION
    Inventors: Ichiro KOYAMA, Yu IWAI, Kazuhiro FUJIMAKI
  • Patent number: 9188868
    Abstract: A lithographic printing plate precursor having excellent printing durability, staining resistance and developability as well as processes for preparing lithographic printing plates therefrom. The lithographic printing plate precursor may comprise a primer layer and an image-recording layer in this order in a substrate, wherein the primer layer comprises a polymer containing a repeat unit having a carbon-carbon backbone, a —C(?O)— group directly attached thereto, a —C(?O)—NR0 — group, a carboxyl group or a salt thereof, and an ethylenically unsaturated bond.
    Type: Grant
    Filed: January 29, 2014
    Date of Patent: November 17, 2015
    Assignee: FUJIFILM Corporation
    Inventors: Takafumi Nakayama, Yu Iwai, Junya Abe
  • Patent number: 9177921
    Abstract: A method for manufacturing a semiconductor device with a treated member, includes: subjecting an adhesive support having a substrate and an adhesive layer capable of increasing or decreasing in adhesiveness upon irradiation with an actinic ray, radiation or heat to irradiation of the adhesive layer with an actinic ray, radiation or heat, adhering a first surface of a to-be-treated member to the adhesive layer of the adhesive support, applying a mechanical or chemical treatment to a second surface different from the first surface of the to-be-treated member to obtain a treated member, and detaching a first surface of the treated member from the adhesive layer of the adhesive support, wherein the irradiation of the adhesive layer with an actinic ray, radiation or heat is conducted so that adhesiveness decreases toward an outer surface from an inner surface on the substrate side of the adhesive layer.
    Type: Grant
    Filed: July 7, 2014
    Date of Patent: November 3, 2015
    Assignee: FUJIFILM Corporation
    Inventors: Shiro Tan, Kazuhiro Fujimaki, Yu Iwai, Ichiro Koyama, Atsushi Nakamura
  • Publication number: 20150284603
    Abstract: By a temporary adhesive for production of semiconductor device containing (A) a radical polymerizable monomer or oligomer containing a fluorine atom or a silicon atom, (B) a polymer compound, and (C) a radical polymerization initiator, a temporary adhesive for production of semiconductor device, which is excellent in coating property, which reduces a problem of generation of gas therefrom in the temporary support even under high temperature condition when the member to be processed (for example, a semiconductor wafer) is subjected to a mechanical or chemical processing, and further which can easily release the temporary support for the member processed without imparting damage to the member processed even after being subjected to a process at a high temperature, and an adhesive support and a production method of semiconductor device using the same are provided.
    Type: Application
    Filed: June 18, 2015
    Publication date: October 8, 2015
    Applicant: FUJIFILM CORPORATION
    Inventors: Yu IWAI, Kazuhiro FUJIMAKI, Ichiro KOYAMA, Atsushi NAKAMURA
  • Publication number: 20150221881
    Abstract: There is provided a resin composition for use in formation of a protective film to protect a substrate or a film formed on the substrate, from a developer containing an organic solvent to be used for development in pattern formation, and which contains two or more kinds of resins in which their main chain structures having a hydroxyl group are different, and contains water, a pattern forming method using the resin composition, and layered products comprising a substrate, an organic semiconductor film on the substrate, and a protective film comprising two or more kinds of resins in which their main chain structures having a hydroxyl group are different, on the organic semiconductor film.
    Type: Application
    Filed: April 17, 2015
    Publication date: August 6, 2015
    Applicant: FUJIFILM CORPORATION
    Inventors: Yu IWAI, Atsushi NAKAMURA, Yoshitaka KAMOCHI, Masafumi YOSHIDA
  • Publication number: 20150184032
    Abstract: By a temporary adhesive for production of semiconductor device containing (A) a polymer compound having a thermal decomposition initiation temperature of 250° C. or more, and (B) a radical polymerizable monomer, and an adhesive support and a production method of semiconductor device using the same, a temporary adhesive for production of semiconductor device, which can temporarily support a member to be processed (for example, a semiconductor wafer) with a high adhesive force even under high temperature condition (for example, at 100° C.) when the member to be processed is subjected to a mechanical or chemical processing, which reduces a problem of generation of gas therefrom in the temporary support even under high temperature condition, and which can easily release the temporary support for the member processed without imparting damage to the member processed, and an adhesive support and a production method of semiconductor device using the same can be provided.
    Type: Application
    Filed: March 9, 2015
    Publication date: July 2, 2015
    Applicant: FUJIFILM Corporation
    Inventors: Yu IWAI, Ichiro KOYAMA
  • Publication number: 20150184035
    Abstract: As a temporary bonding layer for production of semiconductor device, which not only can temporarily support a member to be processed (for example, a semiconductor wafer) firmly and easily when the member to be processed is subjected to a mechanical or chemical processing, but also can easily release the temporary support for the member processed without imparting damage to the member processed, a stack and a production method of semiconductor device, a temporary bonding layer for production of semiconductor device including (A) a release layer and (B) an adhesive layer, wherein the release layer is a layer containing a hydrocarbon resin is provided.
    Type: Application
    Filed: March 16, 2015
    Publication date: July 2, 2015
    Applicant: FUJIFILM Corporation
    Inventors: Ichiro KOYAMA, Yu IWAI, Kazuhiro FUJIMAKI
  • Publication number: 20150184033
    Abstract: The invention is directed to a temporary adhesive containing (A) a polymer compound having a radical polymerizable group in its side chain, (B) a radical polymerizable monomer, and (C) a heat radical polymerization initiator, and a production method of semiconductor device having a member processed including: adhering a first surface of a member to be processed to a substrate through an adhesive layer formed from the temporary adhesive; conducting a mechanical or chemical processing on a second surface which is different from the first surface of the member to be processed to obtain the member processed; and releasing the first surface of the member processed from the adhesive layer.
    Type: Application
    Filed: March 17, 2015
    Publication date: July 2, 2015
    Applicant: FUJIFILM CORPORATION
    Inventors: Yu IWAI, Kazuhiro FUJIMAKI, Ichiro KOYAMA
  • Patent number: 9067400
    Abstract: A lithographic printing plate precursor includes a support and one or more layers, one of the one or more layers is a photosensitive layer containing an initiator compound, a polymerizable compound and a binder polymer, and a layer being in contact with the support of the one or more layers contains a copolymer containing a repeating unit having a zwitterionic structure and a repeating unit having a structure capable of interacting with a surface of the support.
    Type: Grant
    Filed: September 11, 2013
    Date of Patent: June 30, 2015
    Assignee: FUJIFILM Corporation
    Inventors: Yu Iwai, Junya Abe, Yuriko Ishiguro, Hidekazu Oohashi
  • Publication number: 20150093879
    Abstract: The invention is directed to a temporary adhesive for production of semiconductor device, containing (A) a polymer compound having an acid group, (B) a diluent, and (C) a solvent, an adhesive support including a substrate and an adhesive layer formed from the temporary adhesive for production of semiconductor device, and a production method of semiconductor device having a member processed including: adhering a first surface of a member to be processed to a substrate through an adhesive layer formed from the temporary adhesive for production of semiconductor device as claimed; conducting a mechanical or chemical processing on a second surface which is different from the first surface of the member to be processed to obtain the member processed; and releasing the first surface of the member processed from the adhesive layer.
    Type: Application
    Filed: December 11, 2014
    Publication date: April 2, 2015
    Applicant: FUJIFILM CORPORATION
    Inventors: Kazuhiro FUJIMAKI, Ichiro KOYAMA, Atsushi NAKAMURA, Yu IWAI, Shiro TAN
  • Publication number: 20140322893
    Abstract: A method for manufacturing a semiconductor device with a treated member, includes: subjecting an adhesive support having a substrate and an adhesive layer capable of increasing or decreasing in adhesiveness upon irradiation with an actinic ray, radiation or heat to irradiation of the adhesive layer with an actinic ray, radiation or heat, adhering a first surface of a to-be-treated member to the adhesive layer of the adhesive support, applying a mechanical or chemical treatment to a second surface different from the first surface of the to-be-treated member to obtain a treated member, and detaching a first surface of the treated member from the adhesive layer of the adhesive support, wherein the irradiation of the adhesive layer with an actinic ray, radiation or heat is conducted so that adhesiveness decreases toward an outer surface from an inner surface on the substrate side of the adhesive layer.
    Type: Application
    Filed: July 7, 2014
    Publication date: October 30, 2014
    Applicant: FUJIFILM CORPORATION
    Inventors: Shiro TAN, Kazuhiro FUJIMAKI, Yu IWAI, Ichiro KOYAMA, Atsushi NAKAMURA
  • Publication number: 20140318697
    Abstract: A method for manufacturing a semiconductor device with a treated member, includes: subjecting an adhesive support having a substrate and an adhesive layer capable of increasing or decreasing in adhesiveness upon irradiation with an actinic ray or radiation to pattern exposure of the adhesive layer to provide a high adhesive region and a low adhesive region in the adhesive layer, adhering a first surface of a to-be-treated member to the adhesive layer of the adhesive support, applying a mechanical or chemical treatment to a second surface different from the first surface of the to-be-treated member to obtain a treated member, and detaching the first surface of the treated member from the adhesive layer of the adhesive support.
    Type: Application
    Filed: July 10, 2014
    Publication date: October 30, 2014
    Applicant: FUJIFILM CORPORATION
    Inventors: Shiro TAN, Kazuhiro FUJIMAKI, Atsushi NAKAMURA, Yu IWAI, Ichiro KOYAMA
  • Patent number: 8758975
    Abstract: A lithographic printing plate precursor includes a support and one or more layers, one of the one or more layers is a photosensitive layer containing an initiator compound, a polymerizable compound and a binder polymer, and a layer being in contact with the support of the one or more layers contains a copolymer containing a repeating unit having a zwitterionic structure and a repeating unit having a structure capable of interacting with a surface of the support.
    Type: Grant
    Filed: March 2, 2010
    Date of Patent: June 24, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Yu Iwai, Junya Abe, Yuriko Ishiguro, Hidekazu Oohashi
  • Publication number: 20140147789
    Abstract: Provide is a lithographic printing plate precursors having excellent printing durability, staining resistance and developability as well as processes for preparing lithographic printing plates therefrom. A lithographic printing plate precursor comprising a primer layer and an image-recording layer in this order in a substrate, wherein the primer layer comprises a polymer containing a repeat unit having a carbon-carbon backbone, a —C(?O)— group directly attached thereto, a —C(?O)—NR0— group, a carboxyl group or a salt thereof, and an ethylenically unsaturated bond.
    Type: Application
    Filed: January 29, 2014
    Publication date: May 29, 2014
    Applicant: FUJIFILM Corporation
    Inventors: Takafumi NAKAYAMA, Yu IWAI, Junya ABE
  • Patent number: 8722931
    Abstract: The invention is directed to a compound represented by the Formula (1) as defined herein, and a method for preparing a compound represented by the Formula (1) which includes: reacting a diamine compound represented by the Formula (2) as defined herein with a methacrylic anhydride or an acrylic anhydride under a condition where an organic acid having a pKa of 2.0 or more is present in an amount of 0.5 to 5.0 moles based on 1 mole of the diamine compound to obtain a reaction mixture; adding phosphoric acid to the reaction mixture; and purifying the reaction mixture by extraction with an organic solvent.
    Type: Grant
    Filed: December 21, 2011
    Date of Patent: May 13, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Yu Iwai, Takafumi Nakayama, Junya Abe, Ichiro Koyama
  • Patent number: 8714088
    Abstract: A lithographic printing plate precursor includes an image-recording layer and a protective layer containing a stratiform compound, wherein at least one of the image-recording layer and the protective layer contains a polymer containing as a repeating unit, a structural unit having an ammonium structure.
    Type: Grant
    Filed: June 19, 2008
    Date of Patent: May 6, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Toyohisa Oya, Kazuto Kunita, Katsumi Araki, Yu Iwai, Koji Sonokawa, Tomoya Sasaki