Patents by Inventor Kei Yamamoto

Kei Yamamoto 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: 20180217503
    Abstract: An object of the present invention is to provide a treatment liquid for patterning a resist film and a pattern forming method, each of which can simultaneously suppress the occurrence of pattern collapse in a resist L/S pattern and the occurrence of omission failure in a resist C/H pattern. The treatment liquid of the present invention is a treatment liquid for patterning a resist film, which is used for subjecting a resist film obtained from an actinic ray-sensitive or radiation-sensitive resin composition to at least one of development or washing, and contains an organic solvent, in which the treatment liquid contains a first organic solvent having an SP value of 16.3 MPa1/2 or less and a second organic solvent having an SP value of 17.1 MPa1/2 or more.
    Type: Application
    Filed: March 28, 2018
    Publication date: August 2, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Hideaki TSUBAKI, Toru TSUCHIHASHI, Wataru NIHASHI, Kei YAMAMOTO
  • Publication number: 20180217499
    Abstract: An object of the present invention is to provide a treatment liquid for patterning a resist film and a pattern forming method, each of which can simultaneously suppress the occurrence of pattern collapse in a resist L/S pattern and the occurrence of omission failure in a resist C/H pattern. The treatment liquid of the present invention is a treatment liquid for patterning a resist film, which is used for subjecting a resist film obtained from an actinic ray-sensitive or radiation-sensitive resin composition to at least one of development or washing, and contains an organic solvent, in which the treatment liquid contains a first organic solvent having a relative dielectric constant of 4.0 or less and a second organic solvent having a relative dielectric constant of 6.0 or more.
    Type: Application
    Filed: March 28, 2018
    Publication date: August 2, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Shuji HIRANO, Hideaki TSUBAKI, Toru TSUCHIHASHI, Wataru NIHASHI, Kei YAMAMOTO
  • Publication number: 20180180996
    Abstract: The pattern forming method includes forming an actinic ray-sensitive or radiation-sensitive film using an actinic ray-sensitive or radiation-sensitive composition, forming an upper layer film using a composition for forming an upper layer film on the actinic ray-sensitive or radiation-sensitive film, exposing the actinic ray-sensitive or radiation-sensitive film having the upper layer film formed thereon, and developing the exposed actinic ray-sensitive or radiation-sensitive film using a developer containing an organic solvent, in which the composition for forming an upper layer film includes a resin and at least one of a compound capable of generating an acid with actinic rays or radiation, a compound capable of generating an acid with heat, and an acid, in which the resin includes a repeating unit represented by General Formula (II). The method for manufacturing an electronic device includes the pattern forming method. A laminate includes the film and the upper layer film.
    Type: Application
    Filed: February 26, 2018
    Publication date: June 28, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Hideaki Tsubaki, Wataru Nihashi, Toru Tsuchihashi, Kei Yamamoto
  • Publication number: 20180181003
    Abstract: The pattern forming method includes forming an actinic ray-sensitive or radiation-sensitive film using an actinic ray-sensitive or radiation-sensitive composition, forming an upper layer film on the actinic ray-sensitive or radiation-sensitive film using a composition for forming an upper layer film, exposing the actinic ray-sensitive or radiation-sensitive film having the upper layer film formed thereon, and developing the exposed actinic ray-sensitive or radiation-sensitive film using a developer, in which the composition for forming an upper layer film includes a solvent and a crosslinking agent; and in which the content of a solvent having a hydroxyl group is 80% by mass or less with respect to all the solvents included in the composition for forming an upper layer film. The method for manufacturing an electronic device includes the pattern forming method. The laminate has an actinic ray-sensitive or radiation-sensitive film, and an upper layer film including a crosslinking agent.
    Type: Application
    Filed: February 26, 2018
    Publication date: June 28, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Wataru NIHASHI, Hideaki TSUBAKI, Toru TSUCHIHASHI, Kei YAMAMOTO
  • Patent number: 9971949
    Abstract: An imaging processing system includes one or more image capturing apparatuses, a reading unit configured to read biometric information from an authentication object person, a similarity calculation unit configured to calculate similarity based on a result of comparing biometric information read by the reading unit with true biometric information of the authentication object person, an authentication unit configured to perform authentication based on a comparison between the similarity calculated by the similarity calculation unit and a preliminarily set threshold, and a control unit configured to control, if the authentication performed by the authentication unit is successful, imaging processing, which is performed by the image capturing apparatus, based on the similarity calculated by the similarity calculation unit.
    Type: Grant
    Filed: December 13, 2016
    Date of Patent: May 15, 2018
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Kei Yamamoto
  • Publication number: 20180081277
    Abstract: Provided are a pattern forming method including a step of applying a composition for forming an upper layer film, containing a resin having a C log P(Poly) of 3.0 or more and at least one compound selected from the group consisting of (A1) to (A4) described in the specification onto a resist film to form an upper layer film, a step of exposing the resist film, and a step of developing the exposed resist film with a developer including an organic solvent; a resist pattern formed by the pattern forming method; a method for manufacturing an electronic device, including the pattern forming method; and the composition for forming an upper layer film.
    Type: Application
    Filed: November 28, 2017
    Publication date: March 22, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Naoki INOUE, Naohiro TANGO, Kei YAMAMOTO, Michihiro SHIRAKAWA, Akiyoshi GOTO
  • Patent number: 9885956
    Abstract: A pattern forming method includes: (a) forming a first film on a substrate using an actinic ray-sensitive or radiation-sensitive resin composition (I) containing a resin of which solubility in a developer containing an organic solvent decreases due to polarity increased by an action of an acid; (b) exposing the first film; (c) developing the exposed first film using a developer containing an organic solvent to form a first negative pattern; (e) forming a second film on the substrate using an actinic ray-sensitive or radiation-sensitive resin composition (II) containing a resin of which solubility in a developer containing an organic solvent decreases due to polarity increased by an action of an acid; (f) exposing the second film; and (g) developing the exposed second film using a developer containing an organic solvent to form a second negative pattern in this order.
    Type: Grant
    Filed: January 27, 2015
    Date of Patent: February 6, 2018
    Assignee: FUJIFILM Corporation
    Inventors: Tsukasa Yamanaka, Naoya Iguchi, Ryosuke Ueba, Kei Yamamoto
  • Patent number: 9841679
    Abstract: An actinic ray-sensitive or radiation-sensitive resin composition contains a resin (P) having a partial structure represented by General Formula (X), and a compound capable of generating an acid upon irradiation with actinic ray or radiation.
    Type: Grant
    Filed: May 19, 2016
    Date of Patent: December 12, 2017
    Assignee: FUJIFILM Corporation
    Inventors: Masafumi Kojima, Akiyoshi Goto, Akinori Shibuya, Keita Kato, Kei Yamamoto
  • Publication number: 20170352629
    Abstract: A power module includes a power semiconductor element, an interconnection material, a circuit board, an external terminal, a joining material, and a sealing resin. A clearance portion is continuously formed between the sealing resin and each of an end surface of the joining material and a surface of the interconnection material so as to extend from the end surface of the joining material to the surface of the interconnection material, the end surface of the joining material being located between the power semiconductor element and the interconnection material, the surface of the interconnection material being located between the end surface and a predetermined position of the interconnection material separated by a distance from the end surface.
    Type: Application
    Filed: September 29, 2015
    Publication date: December 7, 2017
    Applicant: Mitsubishi Electric Corporation
    Inventors: Akihisa FUKUMOTO, Tetsu NEGISHI, Kei YAMAMOTO, Toshiaki SHINOHARA, Kazuyasu NISHIKAWA
  • Publication number: 20170351179
    Abstract: Provided are a composition for forming an upper layer film for a photoresist, including a polymer having a molecular weight distribution in which a peak area of a high-molecular-weight component having a weight-average molecular weight of 40,000 or more accounts for 0.1% or less with respect to the entire peak area in the molecular weight distribution, measured by the gel permeation chromatography.
    Type: Application
    Filed: August 24, 2017
    Publication date: December 7, 2017
    Applicant: FUJIFILM Corporation
    Inventors: Akiyoshi GOTO, Naoki INOUE, Naohiro TANGO, Kei YAMAMOTO, Michihiro SHIRAKAWA
  • Publication number: 20170349686
    Abstract: A pattern forming method includes the following steps (a) to (d): (a) applying an actinic ray-sensitive or radiation-sensitive resin composition including a resin capable of increasing a polarity by the action of an acid onto a substrate to form a resist film, (b) forming an upper layer film on the resist film, (c) exposing the resist film having the upper layer film formed thereon, and (d) developing the exposed resist film using an organic developer to form a pattern, in which the resin capable of increasing the polarity by the action of an acid includes an acid-decomposable repeating unit having an acid-leaving group a having 4 to 7 carbon atoms, and the maximum value of the number of carbon atoms and the protection rate of the acid-leaving group a satisfy specific conditions.
    Type: Application
    Filed: August 23, 2017
    Publication date: December 7, 2017
    Applicant: FUJIFILM Corporation
    Inventors: Naoki INOUE, Naohiro TANGO, Michihiro SHIRAKAWA, Kei YAMAMOTO, Akiyoshi GOTO
  • Publication number: 20170285482
    Abstract: Disclosed herein are an organic processing liquid for resist film patterning which is capable of suppressing the occurrence of defects in resist patterns, and a pattern forming method. Provided is an organic processing liquid for resist film patterning, which is used to carry out at least one of developing or cleaning of a resist film obtained from an actinic ray-sensitive or radiation-sensitive composition, the liquid including an organic solvent, in which the content of an oxidant in the organic processing liquid is 10 mmol/L or less.
    Type: Application
    Filed: June 22, 2017
    Publication date: October 5, 2017
    Applicant: FUJIFILM Corporation
    Inventors: Toru TSUCHIHASHI, Hideaki TSUBAKI, Kei YAMAMOTO
  • Publication number: 20170199461
    Abstract: The present invention has an object to provide a pattern forming method capable of providing good DOF and EL, a resist pattern formed by the pattern forming method, and a method for manufacturing an electronic device, including the pattern forming method. The pattern forming method of the present invention includes a step a of coating an active-light-sensitive or radiation-sensitive resin composition onto a substrate to form a resist film, a step b of coating a composition for forming an upper layer film onto the resist film to form an upper layer film on the resist film, a step c of exposing the resist film having the upper layer film formed thereon, and a step d of developing the exposed resist film using a developer to form a pattern, in which the active-light-sensitive or radiation-sensitive resin composition contains a hydrophobic resin.
    Type: Application
    Filed: March 27, 2017
    Publication date: July 13, 2017
    Applicant: FUJIFILM Corporation
    Inventors: Kei YAMAMOTO, Naohiro TANGO, Naoki INOUE, Michihiro SHIRAKAWA, Akiyoshi GOTO
  • Publication number: 20170199460
    Abstract: The present invention has an object to provide a pattern forming method capable of providing good DOF, a resist pattern formed by the pattern forming method, and a method for manufacturing an electronic device, including the pattern forming method. The pattern forming method of the present invention includes a step a of coating an active-light-sensitive or radiation-sensitive resin composition onto a substrate to form a resist film, a step b of coating a composition for forming an upper layer film onto the resist film to form an upper layer film on the resist film, a step c of exposing the resist film having the upper layer film formed thereon, and a step d of developing the exposed resist film using a developer including an organic solvent to form a pattern, in which the active-light-sensitive or radiation-sensitive resin composition contains a compound having a molecular weight of 870 or less, which generates an acid upon irradiation with active light or radiation.
    Type: Application
    Filed: March 27, 2017
    Publication date: July 13, 2017
    Applicant: FUJIFILM Corporation
    Inventors: Naohiro TANGO, Kei YAMAMOTO, Naoki INOUE, Michihiro SHIRAKAWA, Akiyoshi GOTO
  • Publication number: 20170184974
    Abstract: Provided are a pattern forming method capable of providing good DOF and LER, a resist pattern formed by the pattern forming method, and a method for manufacturing an electronic device, including the pattern forming method. The pattern forming method includes a step a of coating an active-light-sensitive or radiation-sensitive resin composition onto a substrate to form a resist film, a step b of coating a composition for forming an upper layer film onto the resist film, followed by carrying out heating to 100° C. or higher, to form the upper layer film on the resist film, a step c of exposing the resist film having the upper layer film formed thereon, and a step d of developing the exposed resist film using a developer including an organic solvent to form a pattern.
    Type: Application
    Filed: March 16, 2017
    Publication date: June 29, 2017
    Applicant: FUJIFILM Corporation
    Inventors: Naoki INOUE, Naohiro TANGO, Michihiro SHIRAKAWA, Kei YAMAMOTO, Akiyoshi GOTO
  • Patent number: D806507
    Type: Grant
    Filed: April 15, 2016
    Date of Patent: January 2, 2018
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Atsuro Nakano, Kei Yamamoto
  • Patent number: D809532
    Type: Grant
    Filed: December 23, 2016
    Date of Patent: February 6, 2018
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yasutomo Kato, Kei Yamamoto, Kenichiro Maeda, Norihisa Hotta, Yuji Kawahara, Chihiro Miyai, Hiroshi Takahashi
  • Patent number: D809533
    Type: Grant
    Filed: December 23, 2016
    Date of Patent: February 6, 2018
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yasutomo Kato, Kei Yamamoto, Kenichiro Maeda, Norihisa Hotta, Yuji Kawahara, Chihiro Miyai, Hiroshi Takahashi
  • Patent number: D809534
    Type: Grant
    Filed: December 23, 2016
    Date of Patent: February 6, 2018
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yasutomo Kato, Kei Yamamoto, Kenichiro Maeda, Norihisa Hotta, Yuji Kawahara, Chihiro Miyai, Hiroshi Takahashi
  • Patent number: D810103
    Type: Grant
    Filed: December 23, 2016
    Date of Patent: February 13, 2018
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yasutomo Kato, Kei Yamamoto, Kenichiro Maeda, Norihisa Hotta, Yuji Kawahara, Chihiro Miyai, Hiroshi Takahashi