Patents by Inventor Akiyoshi Goto

Akiyoshi Goto 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: 20240061331
    Abstract: An actinic ray-sensitive or radiation-sensitive resin composition contains a compound represented by general formula (S1) and an acid decomposable resin. In the general formula (S1), Q1, Q2, Q3, Q4, and Q5 each independently represent a hydrogen atom or a substituent, provided that at least one of Q1, Q2, Q3, Q4, or Q5 represents a substituent including an aryloxy group represented by general formula (QR1), Lq1 represents a single bond or a divalent linking group; and M+ represents an organic cation. In the general formula (QR1), G1, G2, G3, G4, and G5 each independently represent a hydrogen atom or a substituent, provided that at least one of G1, G2, G3, G4, or G5 represents a substituent including an ester group; and * represents a bonding position.
    Type: Application
    Filed: October 12, 2023
    Publication date: February 22, 2024
    Applicant: FUJIFILM Corporation
    Inventors: Yosuke BEKKI, Masafumi KOJIMA, Akiyoshi GOTO, Nishiki FUJIMAKI
  • Patent number: 11886113
    Abstract: The present invention provides an actinic ray-sensitive or radiation-sensitive resin composition with which a pattern having an excellent pattern collapse suppressing property and excellent LWR performance can be obtained. In addition, the present invention also provides a resist film, a pattern forming method, and a method for manufacturing an electronic device, each regarding the actinic ray-sensitive or radiation-sensitive resin composition. The actinic ray-sensitive or radiation-sensitive resin composition of the present invention includes a resin whose solubility in a developer is changed by the action of an acid, a photoacid generator represented by General Formula (b1), and a solvent, in which the photoacid generator represented by General Formula (b1) is a compound that generates an acid having a pka of 1.
    Type: Grant
    Filed: August 26, 2020
    Date of Patent: January 30, 2024
    Assignee: FUJIFILM Corporation
    Inventors: Keita Kato, Michihiro Shirakawa, Akiyoshi Goto, Takashi Kawashima, Masafumi Kojima
  • Publication number: 20240004293
    Abstract: An actinic ray-sensitive or radiation-sensitive resin composition including: (A) a resin which is decomposed by action of acid to increase polarity; and (B) a compound which generates an acid by irradiation with an actinic ray or a radiation, in which the resin (A) and the acid generated from the compound (B) form a bond by the actinic ray or the radiation or by the action of acid.
    Type: Application
    Filed: September 15, 2023
    Publication date: January 4, 2024
    Applicant: FUJIFILM Corporation
    Inventors: Naoya HATAKEYAMA, Akiyoshi GOTO, Hideyuki ISHIHARA, Michihiro SHIRAKAWA, Yosuke BEKKI
  • Publication number: 20230400769
    Abstract: An actinic ray-sensitive or radiation-sensitive resin composition containing, (A) a resin which is decomposed by action of acid to increase polarity; and an ionic compound, in which the ionic compound contains (B) an ionic compound which generates an acid by irradiation with an actinic ray or a radiation and (C) an ionic compound which is decomposed by irradiation with an actinic ray or a radiation to reduce acid-trapping property, or contains (D) an ionic compound which generates an acid by irradiation with an actinic ray or a radiation and is decomposed by irradiation with an actinic ray or a radiation to reduce acid-trapping property, and the resin (A) has a repeating unit represented by the Formula (1).
    Type: Application
    Filed: August 29, 2023
    Publication date: December 14, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Naoya HATAKEYAMA, Hideyuki ISHIHARA, Akiyoshi GOTO, Michihiro SHIRAKAWA
  • Publication number: 20230375925
    Abstract: The present invention provides an actinic ray-sensitive or radiation-sensitive resin composition containing: (A) a resin which has a repeating unit derived from a compound represented by Formula (1) as defined herein; and (B) a compound which generates an acid by irradiation with an actinic ray or a radiation. The present invention also provides an actinic ray-sensitive or radiation-sensitive film, a pattern forming method, a method for manufacturing an electronic device, a compound and a resin.
    Type: Application
    Filed: July 21, 2023
    Publication date: November 23, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Tsutomu YOSHIMURA, Masafumi KOJIMA, Akiyoshi GOTO, Yuma KURUMISAWA
  • Publication number: 20230367210
    Abstract: An actinic ray-sensitive or radiation-sensitive resin composition containing: (A) a resin that has a repeating unit which has an aromatic ring having a halogen atom or an organic group having a halogen atom, and having a halogen atom-free substituent; and (Y) an ionic compound having a halogen atom in a cationic moiety, in which a content of the ionic compound (Y) is 5.0% by mass or more with respect to a total solid content of the composition.
    Type: Application
    Filed: July 19, 2023
    Publication date: November 16, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Tsutomu YOSHIMURA, Masafumi KOJIMA, Akiyoshi GOTO, Yuma KURUMISAWA
  • Publication number: 20230259029
    Abstract: An object of the present invention is to provide an actinic ray-sensitive or radiation-sensitive resin composition having an excellent resolution. In addition, 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 relating to the actinic ray-sensitive or radiation-sensitive resin composition. The actinic ray-sensitive or radiation-sensitive resin composition of the embodiment of the present invention includes: a resin of which polarity increases through decomposition by the action of an acid; and a compound that generates an acid upon irradiation with actinic rays or radiation, in which the resin includes a resin including a repeating unit X1 having two or more groups of which polarity increases through decomposition by the action of an acid and a repeating unit X2 having a phenolic hydroxyl group.
    Type: Application
    Filed: March 28, 2023
    Publication date: August 17, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Yuta OKUAKI, Akihiro KANEKO, Masafumi KOJIMA, Akiyoshi GOTO, Keita KATO
  • Publication number: 20230236502
    Abstract: The present invention provides an actinic ray-sensitive or radiation-sensitive resin composition capable of obtaining a pattern having a good shape, a resist film, a pattern forming method, and a method for manufacturing an electronic device. The actinic ray-sensitive or radiation-sensitive resin composition of an embodiment of the present invention includes a salt including a cation represented by Formula (X) and a resin of which polarity increases through decomposition by the action of an acid.
    Type: Application
    Filed: March 16, 2023
    Publication date: July 27, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Masafumi KOJIMA, Aina Ushiyama, Yosuke Bekki, Akiyoshi Goto, Michihiro Shirakawa
  • Publication number: 20230221640
    Abstract: The present invention provides an actinic ray-sensitive or radiation-sensitive resin composition having excellent defect suppressing properties, a resist film, a pattern forming method, and a method for manufacturing an electronic device. The actinic ray-sensitive or radiation-sensitive resin composition according to an embodiment of the present invention is an actinic ray-sensitive or radiation-sensitive resin composition including a resin A having a repeating unit a1 having a group represented by any one of General Formula (1), . . . , or (6), which is a nonionic group that decomposes upon irradiation with actinic rays or radiation, and an additive B that is at least any one of an acid having an acid group having a pKa of ?3.60 or more, or a salt having a structure in which a hydrogen atom of an acid group having a pKa of ?3.60 or more is substituted with a cation.
    Type: Application
    Filed: February 24, 2023
    Publication date: July 13, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Tsutomu YOSHIMURA, Akiyoshi Goto, Kyohei Sakita, Kazuhiro Karumo
  • Publication number: 20230185192
    Abstract: An object of the present invention is to provide an actinic ray-sensitive or radiation-sensitive resin composition by which a pattern having excellent LWR performance can be formed. In addition, 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 relating to the actinic ray-sensitive or radiation-sensitive resin composition.
    Type: Application
    Filed: January 23, 2023
    Publication date: June 15, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Akiyoshi GOTO, Masafumi KOJIMA, Michihiro SHIRAKAWA
  • Publication number: 20230168581
    Abstract: An object of the present invention is to provide an actinic ray-sensitive or radiation-sensitive resin composition by which a pattern having excellent LWR performance can be formed. In addition, 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 relating to the actinic ray-sensitive or radiation-sensitive resin composition.
    Type: Application
    Filed: January 25, 2023
    Publication date: June 1, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Michihiro SHIRAKAWA, Akiyoshi Goto
  • Publication number: 20230148344
    Abstract: The present invention provides an actinic ray-sensitive or radiation-sensitive resin composition with which a pattern having excellent LWR performance can be obtained, a resist film, a pattern forming method, a method for manufacturing an electronic device, a compound, and a method for producing the compound. The actinic ray-sensitive or radiation-sensitive resin composition of an embodiment of the present invention is an actinic ray-sensitive or radiation-sensitive resin composition including a resin having a repeating unit having a group having a polarity that increases through decomposition by the action of an acid, in which the actinic ray-sensitive or radiation-sensitive resin composition further includes, in addition to the resin, a compound having at least one cation represented by General Formula (1), or the resin further has, in addition to the repeating unit, a repeating unit having the cation represented by General Formula (1).
    Type: Application
    Filed: November 28, 2022
    Publication date: May 11, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Akiyoshi GOTO, Akira Takada, Aina Ushiyama, Masafumi Kojima, Michihiro Shirakawa
  • Publication number: 20230139891
    Abstract: A first object of the present invention is to provide an actinic ray-sensitive or radiation-sensitive resin composition with which a pattern having a good shape can be obtained. Furthermore, a second object of the present invention is to provide a resist film, a pattern forming method, and a method for manufacturing an electronic device, each relating to the actinic ray-sensitive or radiation-sensitive resin composition. In addition, a third object of the present invention is to provide a compound which can be suitably used in 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 compound that generates an acid upon irradiation with actinic rays or radiation, an acid-decomposable resin having a weight-average molecular weight of 30,000 or less, and a solvent, and the compound that generates an acid upon irradiation with actinic rays or radiation includes a compound (I).
    Type: Application
    Filed: December 8, 2022
    Publication date: May 4, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Masafumi Kojima, Akira Takada, Akiyoshi Goto, Takeshi Kawabata, Aina Ushiyama
  • 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: 20230043143
    Abstract: An actinic ray-sensitive or radiation-sensitive resin composition includes a salt including a sulfonium cation having an aryl group substituted with an acid-decomposable group-containing group and having at least three fluorine atoms; and a resin having a polarity that increases through decomposition by an action of an acid, in which the acid-decomposable group-containing group includes a group having a polarity that increases through decomposition by an action of an acid, and the acid-decomposable group-containing group includes no fluorine atom.
    Type: Application
    Filed: August 26, 2022
    Publication date: February 9, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Aina USHIYAMA, Masafumi KOJIMA, Akiyoshi GOTO, Michihiro SHIRAKAWA
  • Publication number: 20230004086
    Abstract: The present invention provides an actinic ray-sensitive or radiation-sensitive resin composition containing a resin (A) which contains a repeating unit (a1) having a specific ring structure, a compound (B) which generates an acid by an irradiation with an actinic ray or a radiation, and a specific compound (C) which is decomposed by an irradiation with an actinic ray or a radiation so that an acid-trapping property is lowered; an actinic ray-sensitive or radiation-sensitive film formed of the actinic ray-sensitive or radiation-sensitive resin composition; a pattern forming method using the actinic ray-sensitive or radiation-sensitive resin composition; and a method for manufacturing an electronic device.
    Type: Application
    Filed: June 9, 2022
    Publication date: January 5, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Tsutomu Yoshimura, Akiyoshi Goto, Masafumi Kojima, Kyohei Sakita
  • Publication number: 20220382153
    Abstract: The present invention provides a positive tone resist composition containing (A) an ionic compound and (B) a resin that has a repeating unit (b1) having an interactive group which interacts with an ionic group in the ionic compound and of which a main chain is decomposed by an irradiation with X-rays, electron beam, or extreme ultraviolet rays; a resist film formed of the positive tone resist composition; a pattern forming method; and a method for manufacturing an electronic device.
    Type: Application
    Filed: July 29, 2022
    Publication date: December 1, 2022
    Applicant: FUJIFILM Corporation
    Inventors: Akira TAKADA, Akiyoshi GOTO, Kazunari YAGI, Michihiro SHIRAKAWA, Kazuhiro MARUMO
  • Publication number: 20220334476
    Abstract: An actinic ray-sensitive or radiation-sensitive resin composition includes an acid-decomposable resin and a specific compound, in which the specific compound has two or more cationic moieties and the same number of anionic moieties as that of the cationic moieties, and at least one of the cationic moieties has a group represented by General Formula (I).
    Type: Application
    Filed: February 3, 2022
    Publication date: October 20, 2022
    Applicant: FUJIFILM Corporation
    Inventors: Masafumi KOJIMA, Aina Ushiyama, Akiyoshi Goto, Michihiro Shirakawa, Keita Kato, Kazuhiro Marumo, Hironori Oka