Patents by Inventor Kaoru Iwato

Kaoru Iwato 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: 20140248562
    Abstract: According to one embodiment, there is provided an actinic ray- or radiation-sensitive resin composition including (A) a compound represented by a general formula (1) below that generates an acid when exposed to actinic rays or radiation, and (B) a resin.
    Type: Application
    Filed: May 7, 2014
    Publication date: September 4, 2014
    Applicant: FUJIFILM CORPORATION
    Inventors: Akinori SHIBUYA, Yoko TOKUGAWA, Tomoki MATSUDA, Junichi ITO, Shohei KATAOKA, Toshiaki FUKUHARA, Naohiro TANGO, Kaoru IWATO, Masahiro YOSHIDOME, Shinichi SUGIYAMA
  • Patent number: 8822129
    Abstract: There is provided a pattern forming method comprising (1) a step of forming a film by using an electron beam-sensitive or extreme ultraviolet-sensitive resin composition containing (A) a resin that contains a repeating unit having a partial structure represented by the specific formula and can decrease the solubility for a developer containing an organic solvent by the action of an acid, and (B) a compound capable of generating an acid upon irradiation with an electron beam or an extreme ultraviolet ray, (2) a step of exposing the film by using an electron beam or an extreme ultraviolet ray, and (4) a step of developing the exposed film by using an organic solvent-containing developer to form a negative pattern.
    Type: Grant
    Filed: September 13, 2012
    Date of Patent: September 2, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Kaoru Iwato, Hideaki Tsubaki, Shuji Hirano
  • Publication number: 20140234759
    Abstract: According to one embodiment, there is provided an actinic ray- or radiation-sensitive resin composition containing (A) a resin containing a repeating unit represented by general formula (1) below and a repeating unit that is decomposed by an action of an acid to generate an alkali-soluble group, and (B) a compound that generates the acid when exposed to actinic rays or radiation, where L represents a bivalent connecting group, R1 represents a hydrogen atom or an alkyl group, and Z represents a cyclic acid anhydride structure.
    Type: Application
    Filed: March 28, 2014
    Publication date: August 21, 2014
    Applicant: FUJIFILM Corporation
    Inventors: Shohei KATAOKA, Akinori SHIBUYA, Junichi ITO, Tomoki MATSUDA, Toshiaki FUKUHARA, Naohiro TANGO, Kaoru IWATO, Masahiro YOSHIDOME, Shinichi SUGIYAMA, Yoko TOKUGAWA
  • Publication number: 20140234761
    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: April 25, 2014
    Publication date: August 21, 2014
    Applicant: FUJIFILM Corporation
    Inventors: Michihiro SHIRAKAWA, Keita KATO, Tadahiro ODANI, Atsushi NAKAMURA, Hidenori TAKAHASHI, Kaoru IWATO
  • Patent number: 8808965
    Abstract: A pattern forming method comprising (i) a step of forming a film from a chemical amplification resist 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 chemical amplification resist composition contains (A) a resin containing a repeating unit having two or more hydroxyl groups, (B) a compound capable of generating an acid upon irradiation with an actinic ray or radiation, (C) a crosslinking agent and (D) a solvent; a pattern formed by the pattern forming method; a chemical amplification resist composition used in the pattern forming method; and a resist film formed using the chemical amplification resist composition.
    Type: Grant
    Filed: January 13, 2011
    Date of Patent: August 19, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Kaoru Iwato, Shinji Tarutani, Yuichiro Enomoto, Sou Kamimura, Keita Kato
  • Publication number: 20140227637
    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: Application
    Filed: April 21, 2014
    Publication date: August 14, 2014
    Applicant: FUJIFILM CORPORATION
    Inventors: Keita KATO, Michihiro SHIRAKAWA, Tadahiro ODANI, Atsushi NAKAMURA, Hidenori TAKAHASHI, Kaoru IWATO
  • Patent number: 8802349
    Abstract: Provided is an actinic ray-sensitive or radiation-sensitive resin composition including: (A) a resin capable of increasing the solubility in an alkali developer by the action of an acid, the resin containing (a) a repeating unit represented by the following formula (AN-01), (B) a compound capable of generating an acid upon irradiation with an actinic ray or radiation, and (C) a resin that contains at least either a fluorine atom or a silicon atom and contains a repeating unit having a group capable of decomposing by the action of an alkali developer to increase the solubility in an alkali developer: wherein the variables in formula (AN-01) are defined in the description.
    Type: Grant
    Filed: March 31, 2010
    Date of Patent: August 12, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Masahiro Yoshidome, Shuji Hirano, Hiroshi Saegusa, Kaoru Iwato, Yusuke Iizuka
  • Patent number: 8795944
    Abstract: Provided is an actinic ray-sensitive or radiation-sensitive resin composition including: (A) a resin capable of increasing the solubility in an alkali developer by the action of an acid, (B) a compound capable of generating an acid upon irradiation with an actinic ray or radiation, and (C) a resin which contains (c) a repeating unit having at least one polarity conversion group and has at least either a fluorine atom or a silicon atom.
    Type: Grant
    Filed: December 11, 2009
    Date of Patent: August 5, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Hiroshi Saegusa, Kaoru Iwato, Shuji Hirano, Yusuke Iizuka
  • Publication number: 20140212796
    Abstract: There is provided a pattern forming method comprising (1) a step of forming a film by using an electron beam-sensitive or extreme ultraviolet-sensitive resin composition, (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, wherein the electron beam-sensitive or extreme ultraviolet-sensitive resin composition contains (A) a resin containing (R) a repeating unit having a structural moiety capable of decomposing upon irradiation with an electron beam or an extreme ultraviolet ray to generate an acid, and (B) a solvent.
    Type: Application
    Filed: March 27, 2014
    Publication date: July 31, 2014
    Applicant: FUJIFILM CORPORATION
    Inventors: Hiroo TAKIZAWA, Kaoru IWATO, Hideaki TSUBAKI
  • Publication number: 20140212814
    Abstract: Provided is an actinic-ray- or radiation-sensitive resin composition, including any of compounds of general formula (1) below that when exposed to actinic rays or radiation, is decomposed to thereby generate an acid and a resin that when acted on by an acid, is decomposed to thereby increase its solubility in an alkali developer.
    Type: Application
    Filed: March 28, 2014
    Publication date: July 31, 2014
    Applicant: FUJIFILM CORPORATION
    Inventors: Junichi ITO, Akinori SHIBUYA, Tomoki MATSUDA, Yoko TOKUGAWA, Toshiaki FUKUHARA, Naohiro TANGO, Kaoru IWATO, Masahiro YOSHIDOME, Shinichi SUGIYAMA, Shohei KATAOKA
  • Publication number: 20140205947
    Abstract: A pattern forming method includes: (i) forming a film from a chemical amplification resist composition that contains (A) a resin, (B) a compound capable of generating an acid upon irradiation with an actinic ray or radiation and (C) a tertiary alcohol; (ii) exposing the film; and (iii) performing development by using a developer containing an organic solvent.
    Type: Application
    Filed: March 27, 2014
    Publication date: July 24, 2014
    Applicant: FUJIFILM CORPORATION
    Inventors: Kaoru IWATO, Keita KATO
  • Patent number: 8771916
    Abstract: An actinic ray-sensitive or radiation-sensitive resin composition, includes: (A) a resin capable of increasing the solubility of the resin (A) in an alkali developer by the action of an acid; and (C) a resin having at least either a fluorine atom or a silicon atom and containing (c) a repeating unit having at least two or more polarity conversion groups.
    Type: Grant
    Filed: December 11, 2009
    Date of Patent: July 8, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Shuji Hirano, Kaoru Iwato, Hiroshi Saegusa, Yusuke Iizuka
  • Patent number: 8753802
    Abstract: A pattern forming method comprising: (i) a step of forming a film from a chemical amplification resist 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 resist composition contains: (A) a resin, (B) a nonionic compound capable of generating an acid upon irradiation with an actinic ray or radiation, (C) a crosslinking agent, and (D) a solvent.
    Type: Grant
    Filed: October 22, 2012
    Date of Patent: June 17, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Keita Kato, Shinji Tarutani, Sou Kamimura, Yuichiro Enomoto, Kaoru Iwato
  • Patent number: 8722319
    Abstract: A pattern forming method includes: (i) forming a film from a chemical amplification resist composition that contains (A) a resin, (B) a compound capable of generating an acid upon irradiation with an actinic ray or radiation and (C) a tertiary alcohol; (ii) exposing the film; and (iii) performing development by using a developer containing an organic solvent.
    Type: Grant
    Filed: September 26, 2011
    Date of Patent: May 13, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Kaoru Iwato, Keita Kato
  • Publication number: 20140127629
    Abstract: Provided is a method of forming 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 a first organic solvent, wherein in the developer, particles each having a diameter of 0.3 ?m or greater amount to a density of 30 particles/ml or less.
    Type: Application
    Filed: January 13, 2014
    Publication date: May 8, 2014
    Applicant: FUJIFILM Corporation
    Inventors: Keita KATO, Sou KAMIMURA, Yuichiro ENOMOTO, Kaoru IWATO, Shohei KATAOKA, Shoichi SAITOH
  • Publication number: 20140113223
    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: Application
    Filed: December 27, 2013
    Publication date: April 24, 2014
    Applicant: FUJIFILM Corporation
    Inventors: Keita KATO, Michihiro SHIRAKAWA, Tadahiro ODANI, Atsushi NAKAMURA, Hidenori TAKAHASHI, Kaoru IWATO
  • Patent number: 8663907
    Abstract: Provided is a method of forming 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 a first organic solvent, wherein in the developer, particles each having a diameter of 0.3 ?m or greater amount to a density of 30 particles/ml or less.
    Type: Grant
    Filed: August 24, 2011
    Date of Patent: March 4, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Keita Kato, Sou Kamimura, Yuichiro Enomoto, Kaoru Iwato, Shohei Kataoka, Shoichi Saitoh
  • Patent number: 8632938
    Abstract: According to one embodiment, an actinic-ray- or radiation-sensitive resin composition comprises a hydrophobic resin (HR) containing a fluorine atom, wherein the hydrophobic resin (HR) comprises any of repeating units (a) of general formula (I) or (II) below:
    Type: Grant
    Filed: March 30, 2010
    Date of Patent: January 21, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Shinichi Sugiyama, Shinji Tarutani, Takayuki Kato, Kaoru Iwato, Hiroshi Saegusa
  • Patent number: 8617788
    Abstract: An actinic ray-sensitive or radiation-sensitive resin composition, wherein when a film having a film thickness of 100 nm is formed from the actinic ray-sensitive or radiation-sensitive resin composition, the film has a transmittance of 55 to 80% for light at a wavelength of 193 nm, and a pattern forming method using the composition are provided.
    Type: Grant
    Filed: March 30, 2010
    Date of Patent: December 31, 2013
    Assignee: FUJIFILM Corporation
    Inventors: Takayuki Kato, Hiroshi Saegusa, Kaoru Iwato, Shuji Hirano, Yusuke Iizuka, Shuhei Yamaguchi, Akinori Shibuya
  • Publication number: 20130266777
    Abstract: A negative pattern forming method, includes: (i) forming a film having a film thickness of 200 nm or more from a chemical amplification resist composition containing (A) a resin capable of increasing a polarity of the resin (A) by an action of an acid to decrease a solubility of the resin (A) for a developer containing one or more organic solvents, (B) a compound capable of generating an acid upon irradiation with an actinic ray or radiation, and (C) a solvent; (ii) exposing the film, so as to form an exposed film; and (iii) developing the exposed film with a developer containing one or more organic solvents.
    Type: Application
    Filed: May 29, 2013
    Publication date: October 10, 2013
    Inventors: Keita KATO, Kana FUJII, Sou KAMIMURA, Kaoru IWATO