Patents by Inventor Wataru NIHASHI

Wataru NIHASHI 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).

  • Patent number: 9527809
    Abstract: There is provided an actinic ray-sensitive or radiation-sensitive resin composition containing a compound represented by the following formula (1) or (2), and the formula (1) and (2) are defined as herein, and a resist film comprising the actinic ray-sensitive or radiation-sensitive resin composition, and a pattern forming method comprising a step of exposing the resist film, and a step of developing the exposed film, and a method for manufacturing an electronic device, comprising the pattern forming method, and an electronic device manufactured by the manufacturing method of an electronic device.
    Type: Grant
    Filed: September 29, 2015
    Date of Patent: December 27, 2016
    Assignee: FUJIFILM Corporation
    Inventors: Natsumi Yokokawa, Hiroo Takizawa, Shuji Hirano, Wataru Nihashi, Hideaki Tsubaki
  • Patent number: 9423690
    Abstract: There is provided a pattern forming method, including: (a) forming a film by using an electron beam-sensitive or extreme ultraviolet ray-sensitive resin composition containing a resin (A) having a repeating unit represented by Formula (1-0) and a repeating unit represented by Formula (1-2); (b) exposing the film by using an electron beam or extreme ultraviolet ray; and (c) developing the exposed film by using a developer containing an organic solvent to form a negative pattern, wherein a content of the repeating unit represented by Formula (1-0) is 45 mol % or more based on a whole repeating units in the resin (A).
    Type: Grant
    Filed: February 19, 2015
    Date of Patent: August 23, 2016
    Assignee: FUJIFILM Corporation
    Inventors: Hiroo Takizawa, Shuji Hirano, Natsumi Yokokawa, Wataru Nihashi
  • Publication number: 20160147154
    Abstract: There are provided a pattern formation method, including: (1) forming a film using an active light-sensitive or radiation-sensitive resin composition; (2) exposing the film to active light or radiation; and (3) developing the exposed film using a developer including an organic solvent, wherein the active light-sensitive or radiation-sensitive resin composition contains a resin (A) having specific repeating units, and a crosslinking agent (C).
    Type: Application
    Filed: February 1, 2016
    Publication date: May 26, 2016
    Applicant: FUJIFILM Corporation
    Inventors: Hiroo TAKIZAWA, Toru FUJIMORI, Wataru NIHASHI, Shuji HIRANO, Natsumi YOKOKAWA
  • Patent number: 9291898
    Abstract: There is provided an actinic ray-sensitive or radiation-sensitive resin composition comprising (P) a resin having (a) a repeating unit represented by the specific formula; a resist film formed using the actinic ray-sensitive or radiation-sensitive resin composition; a pattern forming method comprising (i) a step of forming a film by using the 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 a developer to form a pattern; a method for manufacturing an electronic device, comprising the pattern forming method; and an electronic device manufactured by the manufacturing method of an electronic device.
    Type: Grant
    Filed: January 26, 2015
    Date of Patent: March 22, 2016
    Assignee: FUJIFILM Corporation
    Inventors: Natsumi Yokokawa, Shuji Hirano, Hiroo Takizawa, Wataru Nihashi
  • Patent number: 9291896
    Abstract: There is provided an actinic ray-sensitive or radiation-sensitive resin composition comprising (P) a resin containing a repeating unit represented by the specific formula (1) and a repeating unit represented by the specific formula (A); a resist film formed using the actinic ray-sensitive or radiation-sensitive resin composition; a pattern forming method comprising (i) a step of forming a film from the 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 a developer to form a pattern; a method for manufacturing an electronic device, comprising the pattern forming method, and an electronic device manufactured by the manufacturing method of an electronic device.
    Type: Grant
    Filed: January 26, 2015
    Date of Patent: March 22, 2016
    Assignee: FUJIFILM Corporation
    Inventors: Shuji Hirano, Natsumi Yokokawa, Hiroo Takizawa, Wataru Nihashi
  • Patent number: 9291897
    Abstract: There is provided a pattern forming method comprising, in order, (1) a step of forming a film by using an actinic ray-sensitive or radiation-sensitive resin composition containing (Ab) a resin having specific repeating units, (2) a step of exposing the film by using an electron beam or an extreme-ultraviolet ray, and (3) a step of developing the exposed film by using an organic solvent-containing developer to form a negative pattern.
    Type: Grant
    Filed: January 26, 2015
    Date of Patent: March 22, 2016
    Assignee: FUJIFILM Corporation
    Inventors: Shuji Hirano, Natsumi Yokokawa, Hiroo Takizawa, Wataru Nihashi
  • Publication number: 20160041465
    Abstract: The pattern forming method includes (1) forming a film using an active light sensitive or radiation sensitive resin composition, (2) exposing the film to active light or radiation, and (3) developing the exposed film using a developer including an organic solvent, in which the active light sensitive or radiation sensitive resin composition contains a resin (A) having a group which generates a polar group by being decomposed due to the action of an acid, the resin (A) has a phenolic hydroxyl group and/or a phenolic hydroxyl group protected with a group leaving due to the action of an acid, and the developer including the organic solvent contains an additive which forms at least one interaction of an ionic bond, a hydrogen bond, a chemical bond, and a dipole interaction, with the polar group.
    Type: Application
    Filed: October 13, 2015
    Publication date: February 11, 2016
    Applicant: FUJIFILM Corporation
    Inventors: Hiroo TAKIZAWA, Shuji HIRANO, Natsumi YOKOKAWA, Wataru NIHASHI
  • Publication number: 20160024005
    Abstract: There is provided an actinic ray-sensitive or radiation-sensitive resin composition containing a compound represented by the following formula (1) or (2), and the formula (1) and (2) are defined as herein, and a resist film comprising the actinic ray-sensitive or radiation-sensitive resin composition, and a pattern forming method comprising a step of exposing the resist film, and a step of developing the exposed film, and a method for manufacturing an electronic device, comprising the pattern forming method, and an electronic device manufactured by the manufacturing method of an electronic device.
    Type: Application
    Filed: September 29, 2015
    Publication date: January 28, 2016
    Inventors: NATSUMI YOKOKAWA, HIROO TAKIZAWA, SHUJI HIRANO, WATARU NIHASHI, HIDEAKI TSUBAKI
  • Publication number: 20150185610
    Abstract: There is provided a pattern forming method comprising, in order, (1) a step of forming a film by using an actinic ray-sensitive or radiation-sensitive resin composition containing (Ab) a resin having specific repeating units, (2) a step of exposing the film by using an electron beam or an extreme-ultraviolet ray, and (3) a step of developing the exposed film by using an organic solvent-containing developer to form a negative pattern.
    Type: Application
    Filed: January 26, 2015
    Publication date: July 2, 2015
    Applicant: FUJIFILM Corporation
    Inventors: Shuji HIRANO, Natsumi YOKOKAWA, Hiroo TAKIZAWA, Wataru NIHASHI
  • Publication number: 20150168834
    Abstract: There is provided a pattern forming method, including: (a) forming a film by using an electron beam-sensitive or extreme ultraviolet ray-sensitive resin composition containing a resin (A) having a repeating unit represented by Formula (1-0) and a repeating unit represented by Formula (1-2); (b) exposing the film by using an electron beam or extreme ultraviolet ray; and (c) developing the exposed film by using a developer containing an organic solvent to form a negative pattern, wherein a content of the repeating unit represented by Formula (1-0) is 45 mol % or more based on a whole repeating units in the resin (A).
    Type: Application
    Filed: February 19, 2015
    Publication date: June 18, 2015
    Applicant: FUJIFILM CORPORATION
    Inventors: Hiroo TAKIZAWA, Shuji HIRANO, Natsumi YOKOKAWA, Wataru NIHASHI
  • Publication number: 20150147688
    Abstract: There is provided a pattern forming method comprising (1) a step of forming a film by using an actinic ray-sensitive or radiation-sensitive resin composition containing (P) a resin having a repeating unit represented by the specific formula, (2) a step of exposing the film by using an actinic ray or radiation, and (3) a step of developing the exposed film by using an organic solvent-containing developer to form a negative pattern, wherein the content of the repeating unit represented by the specific formula is 25 mol % or more based on all repeating units in the resin (P).
    Type: Application
    Filed: January 23, 2015
    Publication date: May 28, 2015
    Applicant: FUJIFILM Corporation
    Inventors: Natsumi YOKOKAWA, Shuji HIRANO, Wataru NIHASHI, Hiroo TAKIZAWA
  • Publication number: 20150140484
    Abstract: There is provided an actinic ray-sensitive or radiation-sensitive resin composition comprising: (A) a resin containing a repeating unit represented by the first specific formula and a repeating unit represented by the second specific formula, wherein the content of the repeating unit represented by the first specific formula is 35 mol % or more based on all repeating units in the resin (A), a resist film formed using the actinic ray-sensitive or radiation-sensitive resin composition.
    Type: Application
    Filed: January 26, 2015
    Publication date: May 21, 2015
    Applicant: FUJIFILM CORPORATION
    Inventors: Hiroo TAKIZAWA, Shuji HIRANO, Natsumi YOKOKAWA, Wataru NIHASHI
  • Publication number: 20150132687
    Abstract: There is provided an actinic ray-sensitive or radiation-sensitive resin composition comprising (P) a resin containing a repeating unit represented by the specific formula (1) and a repeating unit represented by the specific formula (A); a resist film formed using the actinic ray-sensitive or radiation-sensitive resin composition; a pattern forming method comprising (i) a step of forming a film from the 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 a developer to form a pattern; a method for manufacturing an electronic device, comprising the pattern forming method, and an electronic device manufactured by the manufacturing method of an electronic device.
    Type: Application
    Filed: January 26, 2015
    Publication date: May 14, 2015
    Applicant: FUJIFILM CORPORATION
    Inventors: Shuji HIRANO, Natsumi YOKOKAWA, Hiroo TAKIZAWA, Wataru NIHASHI
  • Publication number: 20150132688
    Abstract: There is provided an actinic ray-sensitive or radiation-sensitive resin composition comprising (P) a resin having (a) a repeating unit represented by the specific formula; a resist film formed using the actinic ray-sensitive or radiation-sensitive resin composition; a pattern forming method comprising (i) a step of forming a film by using the 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 a developer to form a pattern; a method for manufacturing an electronic device, comprising the pattern forming method; and an electronic device manufactured by the manufacturing method of an electronic device.
    Type: Application
    Filed: January 26, 2015
    Publication date: May 14, 2015
    Applicant: FUJIFILM Corporation
    Inventors: Natsumi YOKOKAWA, Shuji HIRANO, Hiroo TAKIZAWA, Wataru NIHASHI
  • Publication number: 20140363758
    Abstract: There is provided a pattern forming method comprising (A) forming a film by using an actinic ray-sensitive or radiation-sensitive resin composition containing a resin containing a repeating unit having a phenol skeleton and a repeating unit having a group capable of decomposing by the action of an acid to produce an alcoholic hydroxy group; (B) exposing the film; and (C) developing the exposed film by using an organic solvent-containing developer.
    Type: Application
    Filed: August 22, 2014
    Publication date: December 11, 2014
    Applicant: FUJIFILM CORPORATION
    Inventors: Wataru NIHASHI, Hiroo TAKIZAWA, Shuji HIRANO