Patents by Inventor Naohiro Tango

Naohiro Tango 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: 20230221644
    Abstract: A method for producing a composition for forming a non-photosensitive upper layer film that is disposed on a workpiece and a photosensitive resist film, the production method includes cleaning a production device for a composition XA for forming a non-photosensitive upper layer film with a cleaning liquid to clean the production device until a concentration of a resin included in the cleaning liquid reaches 10 ppm by mass or less, discharging the cleaning liquid from the production device, and producing the composition XA for forming a non-photosensitive upper layer film using the production device. The cleaning, the discharging, and the producing are performed in this order.
    Type: Application
    Filed: February 28, 2023
    Publication date: July 13, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Naohiro TANGO, Kei YAMAMOTO
  • Patent number: 11584810
    Abstract: An actinic ray-sensitive or radiation-sensitive resin composition contains a resin (C) having a repeating unit represented by Formula (1). A pattern forming method includes a step of forming a film with the actinic ray-sensitive or radiation-sensitive resin composition, and a method of manufacturing an electronic device includes the pattern forming method, in Formula (1), Z represents a halogen atom, a group represented by R11OCH2—, or a group represented by R12OC(?O)CH2—. R11 and R12 each represent a monovalent substituent. X represents an oxygen atom or a sulfur atom. L represents a (n+1)-valent linking group. R represents a group having a group that is decomposed due to the action of an alkali developer to increase solubility in an alkali developer, n represents a positive integer.
    Type: Grant
    Filed: February 4, 2019
    Date of Patent: February 21, 2023
    Assignee: FUJIFILM Corporation
    Inventors: Akira Takada, Ryo Nishio, Akiyoshi Goto, Michihiro Shirakawa, Naohiro Tango, Kazuhiro Marumo, Kyohei Sakita
  • Publication number: 20230045851
    Abstract: A method for producing a resist composition includes setting parameter, acquiring a pattern size for a regression analysis, analyzing performing a regression analysis, calculating a pattern size of a target resist composition based on the regression analysis, comparing the pattern size of the target resist composition and the target pattern size, determining a formulating amount of the resist composition in a case where a difference between the pattern size of the target resist composition and the target pattern size is within an allowable range, and producing a resist composition based on the determined formulating amount, in which, in a case where the difference is out of the allowable range, the method further includes changing at least the content of components in the target resist composition, and the formulating amount of the resist composition is determined based on the changed physical quantity to produce the resist composition.
    Type: Application
    Filed: September 6, 2022
    Publication date: February 16, 2023
    Applicant: FUJIFILM CORPORATION
    Inventors: Naohiro TANGO, Michihiro SHIRAKAWA, Kyohei SAKITA, Akiyoshi GOTO, Kazunari YAGI, Mitsuhiro FUJITA
  • Patent number: 11579528
    Abstract: An actinic ray-sensitive or radiation-sensitive resin composition includes a resin whose solubility in an aqueous alkali solution increases by the action of an acid, a compound that generates an acid upon irradiation with actinic rays or radiation, an ester compound, and a fluorine-containing polymer, in which the ester compound has alkali decomposability and has a molecular weight of 50 or more and less than 1,500.
    Type: Grant
    Filed: January 21, 2020
    Date of Patent: February 14, 2023
    Assignee: FUJIFILM Corporation
    Inventors: Ryo Nishio, Akira Takada, Akiyoshi Goto, Naohiro Tango, Kazuhiro Marumo, Keiyu O
  • Publication number: 20220107561
    Abstract: A method for producing an actinic ray-sensitive or radiation-sensitive resin composition of an embodiment of the present invention is a method for producing an actinic ray-sensitive or radiation-sensitive resin composition including at least a resin having a polarity that increases due to decomposition by the action of an acid, a compound that generates an acid upon irradiation with actinic rays or radiation, and a solvent, in which the compound that generates an acid upon irradiation with actinic rays or radiation includes one or more compounds selected from the group consisting of a compound (I) to (III) below, and the actinic ray-sensitive or radiation-sensitive resin composition is produced by mixing a first solution including the resin having a polarity that increases by the action of an acid and a first solvent with the one or more compounds selected from the group consisting of the compound (I) to (III).
    Type: Application
    Filed: December 13, 2021
    Publication date: April 7, 2022
    Applicant: FUJIFILM Corporation
    Inventors: Keiyu OU, Naohiro TANGO, Kei YAMAMOTO, Kazuhiro MARUMO
  • Patent number: 11281103
    Abstract: A composition for forming an upper layer film is applied onto a resist film formed using an actinic ray-sensitive or radiation-sensitive resin composition, and includes a resin X and a compound A having a radical trapping group. A pattern forming method includes applying an actinic ray-sensitive or radiation-sensitive resin composition onto a substrate to form a resist film, applying the composition for forming an upper layer film onto the resist film to form an upper layer film on the resist film, exposing the resist film having the upper layer film formed thereon, and developing the exposed resist film using a developer including an organic solvent to form a pattern.
    Type: Grant
    Filed: September 11, 2017
    Date of Patent: March 22, 2022
    Assignee: FUJIFILM Corporation
    Inventors: Naoya Hatakeyama, Naoki Inoue, Naohiro Tango, Michihiro Shirakawa, Akiyoshi Goto
  • Patent number: 11249395
    Abstract: One embodiment of the present invention provides a pattern forming method including a step for forming an actinic ray-sensitive or radiation-sensitive film on a substrate using an actinic ray-sensitive or radiation-sensitive resin composition, a step for forming an upper layer film on the actinic ray-sensitive or radiation-sensitive film using a composition for forming an upper layer film, a step for exposing a laminate film including the actinic ray-sensitive or radiation-sensitive film and the upper layer film, and a step for developing the exposed laminate film using a developer including an organic solvent. The composition for forming an upper layer film contains a resin (XA), a resin (XB) containing fluorine atoms, a basic compound (XC), and a solvent (XD), and the resin (XA) is a resin not containing fluorine atoms, or in a case where the resin (XA) contains fluorine atoms, the resin (XA) is a resin having a lower content of fluorine atoms than that in the resin (XB), based on a mass.
    Type: Grant
    Filed: May 31, 2018
    Date of Patent: February 15, 2022
    Assignee: FUJIFILM Corporation
    Inventors: Naoki Inoue, Naohiro Tango, Michihiro Shirakawa, Akiyoshi Goto
  • Publication number: 20210286263
    Abstract: An actinic ray-sensitive or radiation-sensitive resin composition includes a resin A having polarity that increases by an action of an acid; one or more resins B selected from the group consisting of a resin B1 including a fluorine atom and having polarity that increases by the action of an acid, a resin B2 including a fluorine atom and having polarity that increases by the action of an alkali, and a resin B3 including a fluorine atom and having polarity that increases by any of an action of an acid and an action of an alkali; and a compound that generates an acid upon irradiation with actinic rays or radiation, in which the compound that generates an acid upon irradiation with actinic rays or radiation includes one or more selected from the group consisting of a compound (I) to a compound (III), provided that the resin B1 to the resin B3 include no repeating unit including an ion-bonding group.
    Type: Application
    Filed: May 14, 2021
    Publication date: September 16, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Naohiro TANGO, Masafumi KOJIMA, Minoru UEMURA, Akiyoshi GOTO, Michihiro SHIRAKAWA, Kei YAMAMOTO
  • Publication number: 20210271162
    Abstract: An object of the present invention is to provide an actinic ray-sensitive or radiation-sensitive resin composition, in which the cross-sectional shape of a pattern thus formed has excellent rectangularity and a dimensional variation of the line width of the pattern thus formed hardly occurs even over time after preparation. Furthermore, another object of the present invention is to provide a resist film, a pattern forming method, and a method for manufacturing an electronic device, each using the actinic ray-sensitive or radiation-sensitive resin composition. The actinic ray-sensitive or radiation-sensitive resin composition of an embodiment of the present invention includes a resin having a polarity that increases through decomposition by an action of an acid, a compound that generates an acid upon irradiation with actinic rays or radiation, and a halogen-based solvent, in which a content of the halogen-based solvent is from 1 ppb by mass to 50 ppm by mass with respect to a total mass of the composition.
    Type: Application
    Filed: May 7, 2021
    Publication date: September 2, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Keiyu OU, Naohiro Tango, Hidenori Takahashi, Akiyoshi Goto, Takeshi Kawabata, Tsutomu Yoshimura
  • Patent number: 10852637
    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: Grant
    Filed: November 28, 2017
    Date of Patent: December 1, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Naoki Inoue, Naohiro Tango, Kei Yamamoto, Michihiro Shirakawa, Akiyoshi Goto
  • Publication number: 20200183279
    Abstract: A photosensitive resin composition includes a resin having a constitutional unit having an acid-decomposable group, a photoacid generator, a solvent, and a compound represented by Formula D. In Formula D, XD represents an O atom or an S atom, R1D represents a hydrogen atom, a hydrocarbon group, an acyl group, an acyloxy group, or an alkoxycarbonyl group, R2D represents a substituent, nD represents an integer from 0 to 4, and two or more of R2D's may be bonded to each other to form a ring.
    Type: Application
    Filed: February 13, 2020
    Publication date: June 11, 2020
    Applicant: FUJI FILM Corporation
    Inventors: Kazuhiro MARUMO, Naohiro TANGO, Ryo NISHIO, Akira TAKADA
  • Publication number: 20200183274
    Abstract: A photosensitive resin composition includes a resin, a photoacid generator, a solvent, and a low-molecular-weight ester compound, in which low-molecular-weight ester compound has alkali degradability and has a molecular weight of less than 1,500, and a content of the low-molecular-weight ester compound is from 0.1% by mass to 6% by mass with respect to the total solid content of the composition.
    Type: Application
    Filed: February 6, 2020
    Publication date: June 11, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Naohiro TANGO, Akiyoshi GOTO, Keiyu O, Kazuhiro Marumo, Ryo NISHIO, Akira TAKADA
  • Publication number: 20200159117
    Abstract: An actinic ray-sensitive or radiation-sensitive resin composition includes a resin whose solubility in an aqueous alkali solution increases by the action of an acid, a compound that generates an acid upon irradiation with actinic rays or radiation, an ester compound, and a fluorine-containing polymer, in which the ester compound has alkali decomposability and has a molecular weight of 50 or more and less than 1,500.
    Type: Application
    Filed: January 21, 2020
    Publication date: May 21, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Ryo NISHIO, Akira Takada, Akiyoshi Goto, Naohiro Tango, Kazuhiro Marumo, Keiyu O
  • Patent number: 10578968
    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: Grant
    Filed: March 27, 2017
    Date of Patent: March 3, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Kei Yamamoto, Naohiro Tango, Naoki Inoue, Michihiro Shirakawa, Akiyoshi Goto
  • Publication number: 20190204736
    Abstract: An actinic ray-sensitive or radiation-sensitive resin composition is an actinic ray-sensitive or radiation-sensitive resin composition including a resin A whose solubility in an alkali developer increases by the action of an acid, a compound B that generates an acid upon irradiation with actinic rays or radiation, a resin C that has a surface energy of more than 25 mJ/m2 and has at least one of a fluorine atom or a silicon atom and a polarity conversion group, and a resin D that has a surface energy of 25 mJ/m2 or less, in which the content of the resin D is 1.1% by mass or more with respect to the total solid content of the actinic ray-sensitive or radiation-sensitive resin composition.
    Type: Application
    Filed: March 11, 2019
    Publication date: July 4, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Kazuhiro MARUMO, Naohiro TANGO
  • Publication number: 20190171104
    Abstract: An actinic ray-sensitive or radiation-sensitive resin composition contains a resin (C) having a repeating unit represented by Formula (I), A pattern forming method includes a step of forming a film with the actinic ray-sensitive or radiation-sensitive resin composition, and a method of manufacturing an electronic device includes the pattern forming method, in Formula (I), Z represents a halogen atom, a group represented by R11OCH2—, or a group represented by R12OC(?O)CH2—. R11 and R12 each represent a monovalent substituent. X represents an oxygen atom or a sulfur atom. L represents a (n+1)-valent linking group. R represents a group having a group that is decomposed due to the action of an alkali developer to increase solubility in an alkali developer, n represents a positive integer.
    Type: Application
    Filed: February 4, 2019
    Publication date: June 6, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Akira Takada, Ryo Nishio, Akiyoshi Goto, Michihiro Shirakawa, Naohiro Tango, Kazuhiro Marumo, Kyohei Sakita
  • Patent number: 10175578
    Abstract: A pattern forming method includes coating an actinic ray-sensitive or radiation-sensitive resin composition onto a substrate to form an actinic ray-sensitive or radiation-sensitive film, coating a composition for forming a protective film onto the actinic ray-sensitive or radiation-sensitive film to form a protective film, exposing the actinic ray-sensitive or radiation-sensitive film covered with the protective film, and developing the exposed actinic ray-sensitive or radiation-sensitive film using a developer containing an organic solvent, in which the protective film contains a compound (A) including at least one group or bond selected from the group consisting of an ether bond, a thioether bond, a hydroxyl group, a thiol group, a carbonyl bond, and an ester bond, and a resin (X).
    Type: Grant
    Filed: March 1, 2017
    Date of Patent: January 8, 2019
    Assignee: FUJIFILM Corporation
    Inventors: Naoki Inoue, Naohiro Tango, Kei Yamamoto, Michihiro Shirakawa, Akiyoshi Goto
  • Patent number: 10114292
    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: Grant
    Filed: March 16, 2017
    Date of Patent: October 30, 2018
    Assignee: FUJIFILM Corporation
    Inventors: Naoki Inoue, Naohiro Tango, Michihiro Shirakawa, Kei Yamamoto, Akiyoshi Goto
  • Publication number: 20180275518
    Abstract: One embodiment of the present invention provides a pattern forming method including a step for forming an actinic ray-sensitive or radiation-sensitive film on a substrate using an actinic ray-sensitive or radiation-sensitive resin composition, a step for forming an upper layer film on the actinic ray-sensitive or radiation-sensitive film using a composition for forming an upper layer film, a step for exposing a laminate film including the actinic ray-sensitive or radiation-sensitive film and the upper layer film, and a step for developing the exposed laminate film using a developer including an organic solvent. The composition for forming an upper layer film contains a resin (XA), a resin (XB) containing fluorine atoms, a basic compound (XC), and a solvent (XD), and the resin (XA) is a resin not containing fluorine atoms, or in a case where the resin (XA) contains fluorine atoms, the resin (XA) is a resin having a lower content of fluorine atoms than that in the resin (XB), based on a mass.
    Type: Application
    Filed: May 31, 2018
    Publication date: September 27, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Naoki INOUE, Naohiro TANGO, Michihiro SHIRAKAWA, Akiyoshi GOTO
  • 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