Patents by Inventor Keita Kato

Keita Kato 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: 20160347897
    Abstract: The actinic ray-sensitive or radiation-sensitive resin composition of the present invention contains a resin (P) including a repeating unit (i) having a group which decomposes by the action of an acid represented by the following General Formula (1), a pattern forming method using the composition, a method for manufacturing an electronic device, and an electronic device.
    Type: Application
    Filed: August 11, 2016
    Publication date: December 1, 2016
    Applicant: FUJIFILM Corporation
    Inventors: Akiyoshi GOTO, Masafumi KOJIMA, Michihiro SHIRAKAWA, Keita KATO, Keiyu OU
  • Publication number: 20160349613
    Abstract: The actinic ray-sensitive or radiation-sensitive resin composition of the present invention contains a resin (P) including a repeating unit (i) having a group represented by the following General Formula (1), and a compound which generates an acid by irradiation with actinic ray or radiation, represented by a specific formula, a pattern forming method using the composition, a method for manufacturing an electronic device, and an electronic device.
    Type: Application
    Filed: August 9, 2016
    Publication date: December 1, 2016
    Applicant: FUJIFILM Corporation
    Inventors: Akiyoshi GOTO, Masafumi KOJIMA, Michihiro SHIRAKAWA, Keita KATO
  • Publication number: 20160349620
    Abstract: Provided is a method of forming a pattern, including (a) forming a chemically amplified resist composition into a film, (b) exposing the film to light, and (c) developing the exposed film with a developer containing an organic solvent, wherein the developer contains an alcohol compound (X) at a content of 0 to less than 500 ppm based on the total mass of the developer.
    Type: Application
    Filed: August 12, 2016
    Publication date: December 1, 2016
    Applicant: FUJIFILM Corporation
    Inventors: Yuichiro ENOMOTO, Shinji TARUTANI, Sou KAMIMURA, Kaoru IWATO, Keita KATO, Kana FUJII
  • Publication number: 20160342083
    Abstract: A pattern formation method includes step (i) of forming a first negative type pattern on a substrate by performing step (i-1) of forming a first film on the substrate using an actinic ray-sensitive or radiation-sensitive resin composition, step (i-2) of exposing the first film and step (i-3) of developing the exposed first film in this order; step (iii) of forming a second film at least on the first negative type pattern using an actinic ray-sensitive or radiation-sensitive resin composition (2); step (v) of exposing the second film; and step (vi) of developing the exposed second film and forming a second negative type pattern at least on the first negative type pattern.
    Type: Application
    Filed: August 5, 2016
    Publication date: November 24, 2016
    Applicant: FUJIFILM Corporation
    Inventors: Ryosuke UEBA, Naoya IGUCHI, Tsukasa YAMANAKA, Naohiro TANGO, Michihiro SHIRAKAWA, Keita KATO
  • Patent number: 9482958
    Abstract: Provided is a method of forming a pattern, including (a) forming a chemically amplified resist composition into a film, (b) exposing the film to light, and (c) developing the exposed film with a developer containing an organic solvent, wherein the developer contains an alcohol compound (X) at a content of 0 to less than 500 ppm based on the total mass of the developer.
    Type: Grant
    Filed: June 24, 2015
    Date of Patent: November 1, 2016
    Assignee: FUJIFILM Corporation
    Inventors: Yuichiro Enomoto, Shinji Tarutani, Sou Kamimura, Kaoru Iwato, Keita Kato, Kana Fujii
  • Publication number: 20160313645
    Abstract: The present invention relates to a pattern forming method including: forming a film using an actinic ray-sensitive or radiation-sensitive resin composition that includes a (A) resin which has an increase in the polarity by the action of an acid, and thus, has a decrease in the solubility in a developer containing an organic solvent, a (B) compound capable of generating an acid upon irradiation with specific actinic ray or radiation, and a (C) solvent, exposing the film, and developing the exposed film using a developer including an organic solvent, in which the resin (A) has a structure in which a polar group is protected with a leaving group which decomposes to leave by the action of an acid, and the leaving group is a group represented by the following General Formula (I).
    Type: Application
    Filed: July 1, 2016
    Publication date: October 27, 2016
    Applicant: FUJIFILM Corporation
    Inventors: Keita KATO, Keiyu OU, Michihiro SHIRAKAWA, Akiyoshi GOTO, Masafumi KOJIMA
  • Publication number: 20160266488
    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: Application
    Filed: May 19, 2016
    Publication date: September 15, 2016
    Applicant: FUJIFILM Corporation
    Inventors: Masafumi KOJIMA, Akiyoshi GOTO, Akinori SHIBUYA, Keita KATO, Kei YAMAMOTO
  • Patent number: 9417528
    Abstract: A pattern forming method contains: (i) a step of forming a first film on a substrate by using a first resin composition (I), (ii) a step of forming a second film on the first film by using a second resin composition (II) different from the resin composition (I), (iii) a step of exposing a multi-layered film having the first film and the second film, and (iv) a step of developing the first film and the second film in the exposed multi-layered film by using an organic solvent-containing developer to form a negative pattern.
    Type: Grant
    Filed: May 15, 2015
    Date of Patent: August 16, 2016
    Assignee: FUJIFILM Corporation
    Inventors: Michihiro Shirakawa, Keita Kato, Tadahiro Odani, Atsushi Nakamura, Hidenori Takahashi, Kaoru Iwato
  • Publication number: 20160223905
    Abstract: This active light-sensitive or radiation-sensitive resin composition contains a resin (A), a compound (B) capable of generating an acid upon irradiation with active light or radiation, and a compound (C) having at least one oxygen atom. The compound (C) does not include the resin (A) and the compound (B).
    Type: Application
    Filed: April 7, 2016
    Publication date: August 4, 2016
    Applicant: FUJIFILM Corporation
    Inventors: Keiyu OU, Keita KATO, Michihiro SHIRAKAWA, Akiyoshi GOTO, Sou KAMIMURA
  • Publication number: 20160147157
    Abstract: There is provided a pattern formation method comprising: a step (i) for forming a first negative type pattern by performing the specific steps on a substrate; a step (iii) for forming a lower layer by embedding the specific resin composition (2) which contains a second resin in a region of the substrate in which no film part with the first negative type pattern is formed; a step (iv) for forming an upper layer on the lower layer using the specific actinic ray-sensitive or radiation-sensitive resin composition (3); a step (v) for exposing the upper layer to light; a step (vi) for developing the upper layer using a developer which includes an organic solvent and forming a second negative type pattern on the lower layer; and a step (vii) for removing a portion of the lower layer, in the stated order.
    Type: Application
    Filed: February 1, 2016
    Publication date: May 26, 2016
    Applicant: FUJIFILM Corporation
    Inventors: Ryosuke UEBA, Keita KATO
  • Patent number: 9250532
    Abstract: There is provided a pattern forming method comprising: (i) a step of forming a first film on a substrate by using a first resin composition (I), (ii) a step of forming a second film on the first film by using a second resin composition (II) different from the resin composition (I), (iii) a step of exposing a multi-layered film having the first film and the second film, and (iv) a step of developing the first film and the second film in the exposed multi-layered film by using an organic solvent-containing developer to form a negative pattern.
    Type: Grant
    Filed: December 27, 2013
    Date of Patent: February 2, 2016
    Assignee: FUJIFILM Corporation
    Inventors: Keita Kato, Michihiro Shirakawa, Tadahiro Odani, Atsushi Nakamura, Hidenori Takahashi, Kaoru Iwato
  • Patent number: 9223219
    Abstract: Provided is a pattern forming method comprising (i) a step of forming a film from an actinic ray-sensitive or radiation-sensitive resin composition, (ii) a step of exposing the film, and (iii) a step of developing the exposed film by using an organic solvent-containing developer, wherein the actinic ray-sensitive or radiation-sensitive resin composition comprises (A) a resin capable of decreasing the solubility for an organic solvent-containing developer by the action of an acid, (B) a compound capable of generating an acid upon irradiation with an actinic ray or radiation, (D) a solvent, and (G) a compound having at least either one of a fluorine atom and a silicon atom and having basicity or being capable of increasing the basicity by the action of an acid.
    Type: Grant
    Filed: January 7, 2011
    Date of Patent: December 29, 2015
    Assignee: FUJIFILM Corporation
    Inventors: Yuichiro Enomoto, Shinji Tarutani, Sou Kamimura, Kaoru Iwato, Keita Kato, Akinori Shibuya
  • Publication number: 20150338736
    Abstract: Provided is an actinic-ray- or radiation-sensitive resin composition including a resin (A) and any of compounds (B) of general formula (I) below. (In general formula (I), Rf represents a fluorine atom or a monovalent organic group containing at least one fluorine atom; R1 represents a hydrogen atom or a monovalent substituent containing no fluorine atom; X1 represents a monovalent organic group having at least two carbon atoms, or a methyl group in which a substituent other than a fluorine atom is optionally introduced, provided that X1 may be bonded to R1 to thereby form a ring; and Z represents a moiety that when exposed to actinic rays or radiation, is converted to a sulfonic acid group, an imidic acid group or a methide acid group.
    Type: Application
    Filed: June 26, 2015
    Publication date: November 26, 2015
    Applicant: FUJIFILM CORPORATION
    Inventors: Takeshi KAWABATA, Hiroo TAKIZAWA, Akinori SHIBUYA, Akiyoshi GOTO, Masafumi KOJIMA, Keita KATO
  • Publication number: 20150293454
    Abstract: Provided is a method of forming a pattern, including (a) forming a chemically amplified resist composition into a film, (b) exposing the film to light, and (c) developing the exposed film with a developer containing an organic solvent, wherein the developer contains an alcohol compound (X) at a content of 0 to less than 500 ppm based on the total mass of the developer.
    Type: Application
    Filed: June 24, 2015
    Publication date: October 15, 2015
    Applicant: FUJIFILM Corporation
    Inventors: Yuichiro ENOMOTO, Shinji TARUTANI, Sou KAMIMURA, Kaoru IWATO, Keita KATO, Kana FUJII
  • Publication number: 20150253662
    Abstract: According to an exemplary embodiment of the present invention, there is provided an actinic ray-sensitive or radiation-sensitive resin composition includes an aromatic group and a resin (A) that may include (i) a repeating unit having a group capable of decomposing by the action of an acid to generate a polar group and (ii) a repeating unit having a polar group other than a phenolic hydroxyl group, wherein the total content of the repeating units (i) and (ii) is 51 mol % or more based on the entire repeating units in the resin (A).
    Type: Application
    Filed: May 26, 2015
    Publication date: September 10, 2015
    Applicant: FUJIFILM CORPORATION
    Inventors: Keita KATO, Michihiro SHIRAKAWA, Hidenori TAKAHASHI, Shoichi SAITOH, Fumihiro YOSHINO
  • Patent number: 9128376
    Abstract: A pattern forming method including: (i) forming a film using an actinic ray-sensitive or radiation-sensitive resin composition containing a resin (A) having a repeating unit having a group generating a polar group upon being decomposed by the action of an acid, and a repeating unit having an aromatic group, a compound (B) generating an acid upon irradiation with actinic rays or radiation, and a solvent (C); (ii) exposing the film; and (iii) developing the exposed film using a developer including an organic solvent to form a negative tone pattern, wherein the resin (A) is a resin having a repeating unit having a naphthyl group, and the like, and/or the actinic ray-sensitive or radiation-sensitive resin composition contains a compound (D) having a naphthalene ring, and the like.
    Type: Grant
    Filed: May 16, 2014
    Date of Patent: September 8, 2015
    Assignee: FUJIFILM Corporation
    Inventors: Keita Kato, Michihiro Shirakawa, Hidenori Takahashi, Sou Kamimura
  • Publication number: 20150248056
    Abstract: A pattern forming method contains: (i) a step of forming a first film on a substrate by using a first resin composition (I), (ii) a step of forming a second film on the first film by using a second resin composition (II) different from the resin composition (I), (iii) a step of exposing a multi-layered film having the first film and the second film, and (iv) a step of developing the first film and the second film in the exposed multi-layered film by using an organic solvent-containing developer to form a negative pattern.
    Type: Application
    Filed: May 15, 2015
    Publication date: September 3, 2015
    Applicant: FUJIFILM CORPORATION
    Inventors: Michihiro SHIRAKAWA, Keita KATO, Tadahiro ODANI, Atsushi NAKAMURA, Hidenori TAKAHASHI, Kaoru IWATO
  • Patent number: 9097973
    Abstract: Provided is a method of forming a pattern, including (a) forming a chemically amplified resist composition into a film, (b) exposing the film to light, and (c) developing the exposed film with a developer containing an organic solvent, wherein the developer contains an alcohol compound (X) at a content of 0 to less than 500 ppm based on the total mass of the developer.
    Type: Grant
    Filed: June 29, 2011
    Date of Patent: August 4, 2015
    Assignee: FUJIFILM Corporation
    Inventors: Yuichiro Enomoto, Shinji Tarutani, Sou Kamimura, Kaoru Iwato, Keita Kato, Kana Fujii
  • Patent number: 9086627
    Abstract: A pattern forming method contains: (i) a step of forming a bottom anti-reflective coating on a substrate by using a first resin composition (I), (ii) a step of forming a resist film on the bottom anti-reflective coating by using a second resin composition (II), (iii) a step of exposing a multi-layered film having the bottom anti-reflective coating and the resist film, and (iv) a step of developing the bottom anti-reflective coating and the resist film in the exposed multi-layered film by using an organic solvent-containing developer to form a negative pattern.
    Type: Grant
    Filed: April 21, 2014
    Date of Patent: July 21, 2015
    Assignee: FUJIFILM Corporation
    Inventors: Keita Kato, Michihiro Shirakawa, Tadahiro Odani, Atsushi Nakamura, Hidenori Takahashi, Kaoru Iwato
  • Patent number: 9086623
    Abstract: Provided is a method of forming a pattern, including forming an actinic-ray- or radiation-sensitive resin composition into a film, the actinic-ray- or radiation-sensitive resin composition including a resin (A) including a repeating unit containing a group that when acted on by an acid, is decomposed to thereby produce a polar group and including an aromatic group, which resin when acted on by an acid, decreases its solubility in an organic solvent, a nonionic compound (B) that when exposed to actinic rays or radiation, generates an acid and a solvent (C), exposing the film to actinic rays or radiation, and developing the exposed film with a developer including an organic solvent to thereby form a negative pattern.
    Type: Grant
    Filed: August 29, 2012
    Date of Patent: July 21, 2015
    Assignee: FUJIFILM Corporation
    Inventors: Keita Kato, Atsushi Nakamura