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: 20130084438
    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: Application
    Filed: September 13, 2012
    Publication date: April 4, 2013
    Applicant: FUJIFILM CORPORATION
    Inventors: Kaoru IWATO, Hideaki TSUBAKI, Shuji HIRANO
  • Publication number: 20130078433
    Abstract: Provided are an actinic-ray-sensitive or a radiation-sensitive resin composition with greater residual film ratio and capable of suppressing pattern collapse and an occurrence of bridge defects after development, and a resist film, a pattern forming method, an electronic device manufacturing method, and an electronic device, each using the same. An actinic-ray-sensitive or radiation-sensitive resin composition includes a resin (P) having a repeating unit (a) represented by following General Formula (I), a compound (B) represented by any of following General Formulae (B-1) to (B-3), and a solvent, in General Formula (I), R0 represents a hydrogen atom or a methyl group, and R1, R2 and R3 each independently represent a straight chain or branched alkyl group.
    Type: Application
    Filed: September 13, 2012
    Publication date: March 28, 2013
    Applicant: FUJIFILM CORPORATION
    Inventors: Kaoru IWATO, Hidenori TAKAHASHI, Michihiro SHIRAKAWA
  • Publication number: 20130040096
    Abstract: Provided is a method of forming a pattern and an actinic-ray- or radiation-sensitive resin composition that excels in the limiting resolving power, roughness characteristics, exposure latitude (EL) and bridge defect performance. The method of forming a pattern includes (1) forming an actinic-ray- or radiation-sensitive resin composition into a film, (2) exposing the film to light, and (3) developing the exposed film with a developer containing an organic solvent. The actinic-ray- or radiation-sensitive resin composition contains (A) a resin containing a repeating unit with a structural moiety that is configured to decompose when exposed to actinic rays or radiation to thereby generate an acid, and (B) a solvent.
    Type: Application
    Filed: May 20, 2011
    Publication date: February 14, 2013
    Applicant: FUJIFILM CORPORATION
    Inventors: Kaoru Iwato, Hidenori Takahashi, Shuji Hirano, Sou Kamimura, Keita Kato
  • Patent number: 8362170
    Abstract: Provided is a polymerizable compound represented by the following general formula (ca-1) or (cb-1): wherein the variables in the formulae are defined in the specification.
    Type: Grant
    Filed: June 18, 2012
    Date of Patent: January 29, 2013
    Assignee: FUJIFILM Corporation
    Inventors: Shuji Hirano, Kaoru Iwato, Hiroshi Saegusa, Yusuke Iizuka
  • Publication number: 20130020684
    Abstract: The actinic ray-sensitive or radiation-sensitive resin composition according to the present invention includes a resin (A) which contains at least one type of repeating unit which is represented by the general formula (PG1), at least one type of repeating unit which is selected from the repeating units which are represented by the general formula (PG2) and the general formula (PG3), and at least one type of repeating unit which includes a lactone structure, a compound (B) which is a compound which is represented by the general formula (B1) and where the molecular weight of an anion moiety is 200 or less, and a solvent (C).
    Type: Application
    Filed: July 2, 2012
    Publication date: January 24, 2013
    Applicant: FUJIFILM CORPORATION
    Inventor: Kaoru IWATO
  • Publication number: 20130017377
    Abstract: Provided is an actinic-ray- or radiation-sensitive resin composition and a method of forming a pattern using the same, ensuring excellent the etching resistivity and the stability during a post-exposure delay (PED) period. The composition contains a resin containing a repeating unit containing a group that is decomposed when acted on by an acid to thereby produce an alcoholic hydroxyl group, and a compound that generates an acid of pKa?1.5 when exposed to actinic rays or radiation.
    Type: Application
    Filed: March 25, 2011
    Publication date: January 17, 2013
    Applicant: FUJIFILM CORPORATION
    Inventors: Shohei Kataoka, Kaoru Iwato, Sou Kamimura, Toru Tsuchihashi, Yuichiro Enomoto, Kana Fujii, Kazuyoshi Mizutani, Shinji Tarutani, Keita Kato
  • Publication number: 20130011785
    Abstract: Provided is a method of forming a pattern, ensuring excellent exposure latitude (EL) and focus latitude (depth of focus DOF). The method of forming a pattern includes (A) forming a film from a resist composition, the resist composition, (B) exposing the film to light, and (C) developing the exposed film using a developer containing an organic solvent, thereby forming a negative pattern. The resist composition contains (a) a resin that is configured to decompose when acted on by an acid and ?SP thereof represented by formula (1) below is 2.5 (MPa)1/2 or above, (b) a compound that is composed to generate an acid when exposed to actinic rays or radiation, and (c) a solvent.
    Type: Application
    Filed: March 25, 2011
    Publication date: January 10, 2013
    Applicant: FUJIFILM CORPORATION
    Inventors: Keita Kato, Shinji Tarutani, Toru Tsuchihashi, Sou Kamimura, Yuichiro Enomoto, Kana Fujii, Kaoru Iwato, Shohei Kataoka, Kazuyoshi Mizutani
  • Publication number: 20120321855
    Abstract: Provided is a method of forming a pattern, ensuring excellent sensitivity, limiting resolving power, roughness characteristic, exposure latitude (EL), dependence on post-exposure bake (PEB) temperature and focus latitude (depth of focus DOF), and a resist composition for use in the method. The method comprises (A) forming a film from a resist composition comprising a resin containing a repeating unit containing a group that is decomposed when acted on by an acid to thereby produce an alcoholic hydroxyl group, which resin thus when acted on by an acid decreases its solubility in a developer containing an organic solvent, (B) exposing the film to light, and (C) developing the exposed film using a developer containing an organic solvent.
    Type: Application
    Filed: February 24, 2011
    Publication date: December 20, 2012
    Applicant: FUJIFILM CORPORATION
    Inventors: Kaoru Iwato, Shohei Kataoka, Shinji Tarutani, Sou Kamimura, Keita Kato, Yuichiro Enomoto, Kazuyoshi Mizutani, Toru Tsuchihashi, Kana Fujii
  • Publication number: 20120322007
    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 a developer containing an organic solvent, wherein the resist composition contains (A) a resin, (B) a compound capable of generating a specific acid upon irradiation with an actinic ray or radiation, (C) a crosslinking agent, and (D) a solvent.
    Type: Application
    Filed: February 18, 2011
    Publication date: December 20, 2012
    Applicant: FUJIFILM CORPORATION
    Inventors: Keita Kato, Shinji Tarutani, Sou Kamimura, Yuichiro Enomoto, Kaoru Iwato
  • Publication number: 20120288691
    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: Application
    Filed: January 13, 2011
    Publication date: November 15, 2012
    Applicant: FUJIFILM CORPORATION
    Inventors: Kaoru Iwato, Shinji Tarutani, Yuichiro Enomoto, Sou Kamimura, Keita Kato
  • Publication number: 20120282548
    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: Application
    Filed: January 7, 2011
    Publication date: November 8, 2012
    Applicant: FUJIFILM CORPORATION
    Inventors: Yuichiro Enomoto, Shinji Tarutani, Sou Kamimura, Kaoru Iwato, Keita Kato, Akinori Shibuya
  • Publication number: 20120271021
    Abstract: Provided is a polymerizable compound represented by the following general formula (ca-1) or (cb-1): wherein the variables in the formulae are defined in the specification.
    Type: Application
    Filed: June 18, 2012
    Publication date: October 25, 2012
    Applicant: FUJIFILM CORPORATION
    Inventors: Shuji HIRANO, Kaoru IWATO, Hiroshi SAEGUSA, Yusuke IIZUKA
  • Patent number: 8252877
    Abstract: Provided is a polymerizable compound represented by the following general formula (ca-1) or (cb-1): wherein the variables in the formulae are defined in the specification.
    Type: Grant
    Filed: December 11, 2009
    Date of Patent: August 28, 2012
    Assignee: FUJIFILM Corporation
    Inventors: Shuji Hirano, Kaoru Iwato, Hiroshi Saegusa, Yusuke Iizuka
  • Publication number: 20120148957
    Abstract: A pattern forming method includes: (i) forming a film from a chemical amplification resist composition; (ii) exposing the film, so as to form an exposed film; and (iii) developing the exposed film by using an organic solvent-containing developer, wherein the chemical amplification resist composition contains: (A) a resin substantially insoluble in alkali; (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 negative chemical amplification resist composition used in the method, and a resist film formed from the negative chemical amplification resist composition.
    Type: Application
    Filed: October 5, 2010
    Publication date: June 14, 2012
    Applicant: FUJIFILM CORPORATION
    Inventors: Yuichiro Enomoto, Sou Kamimura, Shinji Tarutani, Keita Kato, Kaoru Iwato
  • Patent number: 8158326
    Abstract: A compound which generates a sulfonic acid having one or more —SO3H groups and one or more —SO2— bonds upon irradiation with an actinic ray or a radiation; a photosensitive composition containing the compound; and a method of pattern formation with the photosensitive composition.
    Type: Grant
    Filed: August 13, 2008
    Date of Patent: April 17, 2012
    Assignee: Fujifilm Corporation
    Inventors: Kunihiko Kodama, Kenji Wada, Kaoru Iwato
  • Publication number: 20120077122
    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: September 26, 2011
    Publication date: March 29, 2012
    Applicant: FUJIFILM CORPORATION
    Inventors: Kaoru IWATO, Keita KATO
  • Publication number: 20120052449
    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: August 24, 2011
    Publication date: March 1, 2012
    Applicant: FUJIFILM CORPORATION
    Inventors: Keita KATO, Sou KAMIMURA, Yuichiro ENOMOTO, Kaoru IWATO, Shohei KATAOKA, Shoichi SAITOH
  • Publication number: 20120028196
    Abstract: An embodiment of the method of forming a pattern, comprises (a) forming a chemically amplified resist composition into a film, (b) exposing the film to light, and (c) processing the exposed film with an organic processing liquid, wherein the processing liquid contains an organic solvent whose normal boiling point is 175° C. or higher, the organic solvent being contained in the processing liquid in a content of less than 30 mass %.
    Type: Application
    Filed: July 27, 2011
    Publication date: February 2, 2012
    Applicant: FUJIFILM CORPORATION
    Inventors: Sou KAMIMURA, Kaoru IWATO, Yuichiro ENOMOTO, Shohei KATAOKA, Keita KATO, Shoichi SAITOH
  • Publication number: 20120015301
    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: Application
    Filed: March 31, 2010
    Publication date: January 19, 2012
    Applicant: FUJIFILM CORPORATION
    Inventors: Masahiro Yoshidome, Shuji Hirano, Hiroshi Saegusa, Kaoru Iwato, Yusuke Iizuka
  • Publication number: 20120009522
    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: Application
    Filed: March 30, 2010
    Publication date: January 12, 2012
    Applicant: FUJIFILM CORPORATION
    Inventors: Takayuki Kato, Hiroshi Saegusa, Kaoru Iwato, Shuji Hirano, Yusuke Iizuka, Shuhei Yamaguchi, Akinori Shibuya