Patents by Inventor Kunihiko Kodama

Kunihiko Kodama 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: 20120225263
    Abstract: A curable composition for imprints, containing (A1) a polymerizable compound having at least one of a fluorine atom and a silicon atom, (A2) a polymerizable compound having an aromatic group and (B) a photopolymerization initiator, exhibits good patternability in repeated pattern transferring and solvent resistance.
    Type: Application
    Filed: November 10, 2010
    Publication date: September 6, 2012
    Applicant: FUJIFILM CORPORATION
    Inventor: Kunihiko Kodama
  • Patent number: 8252508
    Abstract: A positive photosensitive composition comprises: (A) 5 to 20 parts by weight of the total amount of at least one compound that generates an acid upon irradiation with an actinic ray; and (B) 100 parts by weight of the total amount of at least one fluorine atom-containing resin having a group that increases a solubility of the resin in an alkaline developer by the action of an acid.
    Type: Grant
    Filed: June 21, 2010
    Date of Patent: August 28, 2012
    Assignee: FUJIFILM Corporation
    Inventor: Kunihiko Kodama
  • Publication number: 20120207978
    Abstract: An object of the present invention is to provide an actinic-ray-sensitive or radiation-sensitive resin composition which is significantly excellent in terms of exposure latitude, is capable of forming a favorable rectangular pattern profile, and exhibits low dissolution of the components into an immersion liquid when performing immersion exposure, and a resist film and a pattern forming method each using the same composition. The actinic-ray-sensitive or radiation-sensitive resin composition contains (A) a compound represented by formula (I) and capable of generating an acid upon irradiation of actinic-rays or radiations, and (B) a resin capable of increasing the solubility in an alkaline developer by the action of an acid.
    Type: Application
    Filed: February 9, 2012
    Publication date: August 16, 2012
    Applicant: FUJIFILM CORPORATION
    Inventors: Akinori SHIBUYA, Shuhei YAMAGUCHI, Kunihiko KODAMA, Kenji WADA, Tomoki MATSUDA
  • Publication number: 20120207943
    Abstract: Provided is a method of producing a curable composition for imprints including (A) a polymerizable monomer, (B) a polymerization initiator, and (C) a solvent which is capable of effectively suppressing lifting or separation of patterns, excellent in coatability, and excellent in time-dependent stability. The method of producing a curable composition for imprints comprises preparing one species of liquid (D) which contains at least either one of the polymerizable monomer (A) and the polymerization initiator (B), passing the liquid (D) through a filter, and then adding the solvent (C).
    Type: Application
    Filed: February 10, 2012
    Publication date: August 16, 2012
    Applicant: FUJIFILM CORPORATION
    Inventors: Yuichiro ENOMOTO, Kunihiko KODAMA, Shinji TARUTANI
  • Publication number: 20120183752
    Abstract: A curable composition for imprints which comprises a polymerizable compound having at least one of a fluorine atom and a silicon atom, a photopolymerization initiator, and a compound having a functional group capable of bonding to a substrate exhibits good patternability in transferring patterns, particularly micropatterns.
    Type: Application
    Filed: September 29, 2010
    Publication date: July 19, 2012
    Applicant: FUJIFILM CORPORATION
    Inventor: Kunihiko Kodama
  • Patent number: 8206886
    Abstract: A photosensitive composition comprises (A) a sulfonium or iodonium salt having an anion represented by one of formulae (I) and (II): wherein Y represents an alkylene group substituted with at least one fluorine atom, and R represents an alkyl group or a cycloalkyl group.
    Type: Grant
    Filed: January 25, 2005
    Date of Patent: June 26, 2012
    Assignee: FUJIFILM Corporation
    Inventor: Kunihiko Kodama
  • 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: 20120076950
    Abstract: Provided is a curable composition for imprints excellent in pattern transferability. Disclosed is a curable composition for imprints comprising a polymerizable monomer (A) and a polymerization initiator (B), which is substantially free from a polymer which contains at least one species of the polymerizable monomer (A) as a repeating unit.
    Type: Application
    Filed: April 1, 2011
    Publication date: March 29, 2012
    Applicant: FUJIFILM CORPORATION
    Inventor: Kunihiko Kodama
  • Publication number: 20120076948
    Abstract: Provided is a method for producing a curable composition for imprints which excellent in patternability. Applied is a method for producing a curable composition for imprints, which comprises passing a curable composition comprising a polymerizable monomer (A) and a polymerizable initiator (B) through a filter having an effective filter area of 200 cm2 or more at least one time.
    Type: Application
    Filed: September 21, 2011
    Publication date: March 29, 2012
    Applicant: FUJIFILM CORPORATION
    Inventors: Yuichiro ENOMOTO, Kunihiko KODAMA, Shinji TARUTANI
  • Publication number: 20120058431
    Abstract: A positive photosensitive composition includes: a resin (A) whose dissolution rate in an alkaline developing solution increases by the action of an acid, the resin (A) containing an acid decomposable repeating unit represented by a general formula (I) and an acid nondecomposable repeating unit represented by a general formula (II); and a compound (B) capable of generating an acid upon irradiation with one of active rays and radiations: wherein Xa1 represents one of a hydrogen atom, an alkyl group, a cyano group, and a halogen atom, A1 represents one of a single bond and a divalent connecting group, ALG represents an acid leaving hydrocarbon group, Xa2 represents one of a hydrogen atom, an alkyl group, a cyano group, and a halogen atom, A2 represents one of a single bond and a divalent connecting group, and ACG represents an acid nonleaving hydrocarbon group.
    Type: Application
    Filed: November 10, 2011
    Publication date: March 8, 2012
    Applicant: FUJIFILM CORPORATION
    Inventors: Hyou TAKAHASHI, Naoya Sugimoto, Kunihiko Kodama, Kei Yamamoto
  • Publication number: 20120003437
    Abstract: A photosensitive composition contains (A) a polymer obtained from a silsesquioxane constituted of one or two or more kinds of a cage-shaped silsesquioxane compound represented by the specific formula.
    Type: Application
    Filed: June 30, 2011
    Publication date: January 5, 2012
    Applicant: FUJIFILM CORPORATION
    Inventors: Kenji WADA, Masaki OHTA, Kunihiko KODAMA
  • Publication number: 20120004385
    Abstract: Disclosed is a maintenance liquid for property carrying out imprints excellent in patternability. The maintenance liquid for imprints of an ink-jet discharging device comprises a compound comprising an ester group and/or an ether group.
    Type: Application
    Filed: June 29, 2011
    Publication date: January 5, 2012
    Applicant: FUJIFILM CORPORATION
    Inventors: Kunihiko KODAMA, Kenichi KODAMA
  • Patent number: 8080361
    Abstract: A positive photosensitive composition includes: a resin (A) whose dissolution rate in an alkaline developing solution increases by the action of an acid, the resin (A) containing an acid decomposable repeating unit represented by a general formula (I) and an acid nondecomposable repeating unit represented by a general formula (II); and a compound (B) capable of generating an acid upon irradiation with one of active rays and radiations: wherein Xa1 represents one of a hydrogen atom, an alkyl group, a cyano group, and a halogen atom, A1 represents one of a single bond and a divalent connecting group, ALG represents an acid leaving hydrocarbon group, Xa2 represents one of a hydrogen atom, an alkyl group, a cyano group, and a halogen atom, A2 represents one of a single bond and a divalent connecting group, and ACG represents an acid nonleaving hydrocarbon group.
    Type: Grant
    Filed: January 24, 2007
    Date of Patent: December 20, 2011
    Assignee: FUJIFILM Corporation
    Inventors: Hyou Takahashi, Naoya Sugimoto, Kunihiko Kodama, Kei Yamamoto
  • Patent number: 8039200
    Abstract: A photosensitive composition comprises (A) a sulfonium or iodonium salt having an anion represented by one of formulae (I) and (II): wherein Y represents an alkylene group substituted with at least one fluorine atom, and R represents an alkyl group or a cycloalkyl group.
    Type: Grant
    Filed: August 10, 2010
    Date of Patent: October 18, 2011
    Assignee: FUJIFILM Corporation
    Inventor: Kunihiko Kodama
  • Publication number: 20110236595
    Abstract: Provided is a curable composition for imprints having good patternability and dry etching resistance. Disclosed is a curable composition for imprints comprising a polymerizable monomer (Ax) having a substituent having an aromatic group and having a molecular weight of 100 or more, and a photopolymerization initiator.
    Type: Application
    Filed: December 2, 2009
    Publication date: September 29, 2011
    Applicant: FUJIFILM CORPORATION
    Inventors: Kunihiko Kodama, Kyouhei Sakita, Hiroyuki Yonezawa
  • Patent number: 8025833
    Abstract: A curable composition for nanoimprints which comprises a polycyclic aromatic structure-having polymerizable monomer and a photopolymerization initiator is excellent in mold releasability, etching resistance and solvent resistance and capable of forming patterns.
    Type: Grant
    Filed: May 26, 2009
    Date of Patent: September 27, 2011
    Assignee: FUJIFILM Corporation
    Inventors: Kunihiko Kodama, Akinori Fujita, Tadashi Oomatsu, Akiyoshi Goto
  • Patent number: 8012665
    Abstract: A positive photosensitive composition comprising: (A) a compound capable of generating an acid upon irradiation with actinic rays or radiation; (B1) a resin of which solubility in an alkali developer increases under an action of an acid; and (B2) a resin that has at least one group selected from (a) an alkali-soluble group and (b) a group capable of decomposing under an action of an alkali to produce an alkali-soluble group, and the resin (B2) does not have a group capable of decomposing under an action of an acid; and a pattern forming method using the same.
    Type: Grant
    Filed: June 27, 2006
    Date of Patent: September 6, 2011
    Assignee: Fujifilm Corporation
    Inventors: Kunihiko Kodama, Fumiyuki Nishiyama
  • Patent number: 8003294
    Abstract: A photosensitive composition comprises: (A) a compound capable of generating an acid represented by formula (I) upon irradiation with actinic ray or radiation; and (B) a resin that decomposes by the action of an acid to its increase solubility in an alkali developer wherein Ra represents an alkyl group substituted with a fluorine atom, or an aryl group substituted with a fluorine atom or a group having a fluorine atom; Rb represents an alkyl group not substituted with a fluorine atom on ?-position of the alkyl group, or an aryl group not substituted with a fluorine atom or a group having a fluorine atom.
    Type: Grant
    Filed: March 10, 2008
    Date of Patent: August 23, 2011
    Assignee: FUJIFILM Corporation
    Inventor: Kunihiko Kodama
  • Publication number: 20110183127
    Abstract: A composition for imprints comprising a polymerizable monomer, a photopolymerization initiator, and a polymer having a functional group with at least one of a fluorine atom or a silicon atom and having a polymerizable functional group, wherein the polymer has a weight-average molecular weight of at least 2000 and the amount of the polymer is from 0.01 to 20% by mass relative to the polymerizable monomer, is excellent in patternability and mold releasability, capable of forming good patterns and free from a problem of mold contamination.
    Type: Application
    Filed: October 29, 2009
    Publication date: July 28, 2011
    Applicant: FUJIFILM CORPORATION
    Inventor: Kunihiko Kodama
  • Patent number: RE43560
    Abstract: A positive photosensitive composition comprising (A) a compound capable of generating a fluorine-substituted alkanesulfonic acid having 2 to 4 carbon atoms by irradiation of actinic rays or radiation, (B) a resin having a monocyclic or polycyclic alicyclic hydrocarbon structure and being decomposed by the action of an acid to increase solubility in an alkali developer, (C) a basic compound, and (D) a fluorine and/or silicon surfactant.
    Type: Grant
    Filed: December 30, 2009
    Date of Patent: July 31, 2012
    Assignee: FUJIFILM Corporation
    Inventors: Kunihiko Kodama, Toshiaki Aoai