Patents by Inventor Tsuyoshi Kurosawa

Tsuyoshi Kurosawa 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: 20150093507
    Abstract: A method of producing a structure containing a phase-separated structure, the method including: a step of forming a layer of a neutralization film; a step of form a layer containing a mixture of a plurality of block copolymers having different periods; and a step of phase-separating the layer containing the plurality of block copolymers.
    Type: Application
    Filed: September 23, 2014
    Publication date: April 2, 2015
    Inventors: Tsuyoshi Kurosawa, Daiju Shiono, Ken Miyagi, Tasuku Matsumiya, Kenichiro Miyashita, Katsumi Ohmori
  • Publication number: 20150044371
    Abstract: A method of producing a structure containing a phase-separated structure, including applying a neutralization film to a substrate to form a layer of a neutralization film; applying a block copolymer having a plurality of polymers bonded thereto, and a weight average molecular weight of 150,000 or more to the layer of the neutralization film, so as to form a layer containing the block copolymer and having a coating film thickness of 23 nm or less; and phase-separating the layer containing the block copolymer.
    Type: Application
    Filed: August 6, 2014
    Publication date: February 12, 2015
    Inventors: Tsuyoshi Kurosawa, Daiju Shiono, Ken Miyagi, Tasuku Matsumiya, Kenichiro Miyashita, Katsumi Ohmori
  • Publication number: 20140238954
    Abstract: A method of producing a structure containing a phase-separated structure, including forming, on a substrate, a layer containing a block copolymer having a block of a polyhedral oligomeric silsesquioxane structure-containing structural unit; forming a top coat film by applying, to the layer containing the block copolymer, a top coat material which undergoes a change in polarity upon heating, and controls a surface energy of the layer containing the block copolymer; and subjecting the layer containing the block copolymer on which the top coat film is formed to phase separation by thermal annealing.
    Type: Application
    Filed: February 20, 2014
    Publication date: August 28, 2014
    Applicants: Tokyo Institute of Technology, Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Tasuku Matsumiya, Takehiro Seshimo, Katsumi Ohmori, Ken Miyagi, Daiju Shiono, Kenichiro Miyashita, Tsuyoshi Kurosawa, Teruaki Hayakawa
  • Patent number: 8795947
    Abstract: A resist composition including a base component (A) which exhibits changed solubility in a developing solution under the action of acid and an acid-generator component (B) which generates acid upon exposure, the base component (A) containing a polymeric compound (A1) including a structural unit (a0) represented by general formula (a0-1) and a structural unit (a1) containing an acid decomposable group which exhibits increased polarity by the action of acid (R1 represents a hydrogen atom, an alkyl group of 1 to 5 carbon atoms or a halogenated alkyl group of 1 to 5 carbon atoms; W represents —COO—, a —CONH— group or a divalent aromatic hydrocarbon group; Y1 and Y2 represent a divalent linking group or a single bond; R?1 represents a hydrogen atom or an alkyl group of 1 to 6 carbon atoms; R?2 represents a monovalent aliphatic hydrocarbon group; and R2 represents an —SO2— containing cyclic group).
    Type: Grant
    Filed: March 19, 2013
    Date of Patent: August 5, 2014
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Tomoyuki Hirano, Makiko Irie, Kotaro Endo, Tsuyoshi Kurosawa
  • Publication number: 20130252171
    Abstract: A resist composition including a base component (A) which exhibits changed solubility in a developing solution under the action of acid and an acid-generator component (B) which generates acid upon exposure, the base component (A) containing a polymeric compound (A1) including a structural unit (A) represented by general formula (a0-1) and a structural unit (a1) containing an acid decomposable group which exhibits increased polarity by the action of acid (R1 represents a hydrogen atom, an alkyl group of 1 to 5 carbon atoms or a halogenated alkyl group of 1 to 5 carbon atoms; W represents —COO—, a —CONH— group or a divalent aromatic hydrocarbon group; Y1 and Y2 represent a divalent linking group or a single bond; represents a hydrogen atom or an alkyl group of 1 to 6 carbon atoms; R?2 represents a monovalent aliphatic hydrocarbon group; and R2 represents an —SO2— containing cyclic group).
    Type: Application
    Filed: March 19, 2013
    Publication date: September 26, 2013
    Applicant: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Tomoyuki Hirano, Makiko Irie, Kotaro Endo, Tsuyoshi Kurosawa
  • Publication number: 20130243958
    Abstract: An undercoat agent which is used for phase separating a layer including a block copolymer having a plurality of blocks bonded formed on a substrate, wherein the undercoat agent contains a resin component, the resin component includes a structural unit having an aromatic ring and a structural unit having no aromatic ring, and the resin component includes a group which can interact with the substrate and does not include a 3 to 7-membered, ether-containing cyclic group; and a method of forming a pattern of a layer containing a block copolymer, including: a step (1) in which the undercoat agent is applied to a substrate to form a layer containing the undercoat agent; a step (2) in which a layer containing a block copolymer having a plurality of blocks bonded is formed on a surface of the layer containing the undercoat agent, followed by a phase separation of the layer containing the block copolymer; and a step (3) in which a phase containing at least one block of the plurality of blocks constituting the block co
    Type: Application
    Filed: March 8, 2013
    Publication date: September 19, 2013
    Applicant: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Takahiro Senzaki, Ken Miyagi, Tsuyoshi Kurosawa, Daiju Shiono, Tasuku Matsumiya, Kenichiro Miyashita, Katsumi Ohmori
  • Patent number: 8518629
    Abstract: A resist composition for immersion exposure, including a base component (A) that exhibits changed solubility in an alkali developing solution under action of acid, an acid generator component (B) that generates acid upon exposure, and a fluorine-containing compound (C) represented by general formula (c-1) (in formula (c-1), R1 represents an organic group which may contain a polymerizable group; X represents a divalent organic group having an acid dissociable portion; and R2 represents an organic group having a fluorine atom).
    Type: Grant
    Filed: August 26, 2011
    Date of Patent: August 27, 2013
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Tsuyoshi Kurosawa, Hiroaki Shimizu
  • Patent number: 8479531
    Abstract: There is provided a liquid containing bag capable of supplying mixture directly to a cooling cylinder from the bag without depending on gravity and without moving the mixture into a hopper. A liquid containing bag 5 comprises a bag main body 21 containing a liquid and having flexibility, and an outer layer member 23 disposed outside the bag main body 21, capable of forming a sealed space between the outer layer member and the bag main body 21, and having flexibility. Therefore, for example, when compressed air is sealed between the outer layer member 23 and the bag main body 21, an volume of the sealed space between them is enlarged, and the liquid cooled in the bag main body 21 can be pushed to the outside.
    Type: Grant
    Filed: July 3, 2003
    Date of Patent: July 9, 2013
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Kazuya Maeda, Tsuyoshi Kurosawa, Takeshi Ishii, Koichiro Ikemoto
  • Patent number: 8475997
    Abstract: A resist composition for immersion exposure including: a fluorine-containing polymeric compound (F) containing a structural unit (f1) having a base dissociable group and a structural unit (f2) represented by general formula (f2-1) (wherein R represents a hydrogen atom, a lower alkyl group or a halogenated lower alkyl group; and W is a group represented by any one of general formulas (w-1) to (w-4)); a base component (A) that exhibits changed solubility in an alkali developing solution under the action of acid; and an acid generator component (B) that generates acid upon exposure.
    Type: Grant
    Filed: December 23, 2011
    Date of Patent: July 2, 2013
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Daiju Shiono, Tomoyuki Hirano, Sanae Furuya, Takahiro Dazai, Hiroaki Shimizu, Tsuyoshi Kurosawa, Hideto Nito, Tsuyoshi Nakamura
  • Publication number: 20130065180
    Abstract: A resist composition comprising: a base component (A) which exhibits changed solubility in a developing solution under action of acid; an acid-generator component (B) which generates acid upon exposure; and a compound (D1) including of a cation moiety which contains a quaternary nitrogen atom, and an anion moiety represented by formula (d1-an1) or (d1-an2) shown below. In the formulas, X represents a cyclic aliphatic hydrocarbon group of 3 to 30 carbon atoms which may have a substituent; and Y1 represents a fluorinated alkylene group of 1 to 4 carbon atoms which may have a substituent.
    Type: Application
    Filed: September 6, 2012
    Publication date: March 14, 2013
    Applicant: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Tsuyoshi Kurosawa, Kotaro Endo, Yuta Iwasawa, Yoshitaka Komuro, Akiya Kawaue
  • Patent number: 8349534
    Abstract: A positive resist composition including: a polymeric compound (A1) having a structural unit (a0) that contains a “cyclic group containing —SO2—” on the side chain terminal, and a structural unit (a1) derived from an acrylate ester containing an acid dissociable, dissolution inhibiting group; an acid generator component (B); and a fluorine-containing resin component having a structural unit (f1) represented by general formula (f1-0): wherein R represents a hydrogen atom, an alkyl group of 1 to 5 carbon atoms or a halogenated alkyl group of 1 to 5 carbon atoms; Q0 represents a single bond or a divalent linking group having a fluorine atom; and RX0 represents an acid dissociable, dissolution inhibiting group-containing group which may contain a fluorine atom, with the provision that at least one fluorine atom is contained in formula (f1-0).
    Type: Grant
    Filed: March 4, 2010
    Date of Patent: January 8, 2013
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Tsuyoshi Kurosawa, Hiroaki Shimizu
  • Publication number: 20120308931
    Abstract: A resist composition including a base component which exhibits changed solubility in a developing solution under action of acid, and an acid generator containing compounds represented by general formulas (b1) and (b2) shown below X-Q1-Y1—SO3?A+??(b 1) in which Q1 represents a divalent linking group containing an oxygen atom, Y1 represents an alkylene group of 1-4 carbons which may have a substituent or a fluorinated alkylene group 1-4 carbons which may have a substituent, X represents an alicyclic hydrocarbon group of 3-30 carbons which may have a substituent, and A+ represents an organic cation R1—Y5—SO2?A+??(b 2) in which R1 represents a monovalent chain-like aliphatic hydrocarbon group containing a hetero atom at an arbitrary position, Y5 represents an alkylene group of 1-4 carbons which may have a substituent or a fluorinated alkylene group of 1-4 carbons which may have a substituent, and A+ represents an organic cation.
    Type: Application
    Filed: March 29, 2012
    Publication date: December 6, 2012
    Applicant: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Tsuyoshi Kurosawa, Kotaro Endo, Yuta Iwasawa
  • Patent number: 8227169
    Abstract: There are provided a compound preferable as an acid generator for a resist composition, an acid generator including the compound, a resist composition containing the acid generator, and a method of forming a resist pattern using the resist composition, and the compound is represented by general formula (b1-12) shown below: R2—CH2—O—Y1—SO3?A+??(b1-12) wherein R2 represents a monovalent aromatic organic group; Y1 represents an alkylene group of 1 to 4 carbon atoms which may be fluorinated; and A+ represents a cation.
    Type: Grant
    Filed: April 4, 2008
    Date of Patent: July 24, 2012
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Akiya Kawaue, Yoshiyuki Utsumi, Takehito Seo, Hideo Hada, Kotaro Endo, Daisuke Kawana, Yasuhiro Yoshii, Tsuyoshi Kurosawa
  • Patent number: 8221956
    Abstract: A resist composition for immersion exposure including: a fluorine-containing polymeric compound (F) containing a structural unit (f1) having a base dissociable group and a structural unit (f2) represented by general formula (f2-1) (wherein R represents a hydrogen atom, a lower alkyl group or a halogenated lower alkyl group; and W is a group represented by any one of general formulas (w-1) to (w-4)); a base component (A) that exhibits changed solubility in an alkali developing solution under the action of acid; and an acid generator component (B) that generates acid upon exposure.
    Type: Grant
    Filed: June 18, 2009
    Date of Patent: July 17, 2012
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Daiju Shiono, Tomoyuki Hirano, Sanae Furuya, Takahiro Dazai, Hiroaki Shimizu, Tsuyoshi Kurosawa, Hideto Nito, Tsuyoshi Nakamura
  • Publication number: 20120164578
    Abstract: A resist composition including a base component (A) which exhibits changed solubility in a developing solution under the action of acid, an acid generator component (B) which generates acid upon exposure, and a nitrogen-containing organic compound component (D), wherein the acid generator component (B) includes an acid generator (B1) containing a compound represented by general formula (b1-1) shown below, and the nitrogen-containing organic compound component (D) includes a compound (D1) represented by general formula (d1) shown below. In the formula, Y0 represents an alkylene group of 1 to 4 carbon atoms which may have a substituent, R0 represents an alkyl group, alkoxy group, halogen atom, halogenated alkyl group, hydroxyl group or oxygen atom (?O), p represents 0 or 1, and Z+ represents an organic cation.
    Type: Application
    Filed: December 16, 2011
    Publication date: June 28, 2012
    Applicant: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Tsuyoshi Kurosawa, Kotaro Endo, Yuichi Suzuki, Yuta Iwasawa
  • Publication number: 20120094236
    Abstract: A resist composition for immersion exposure including: a fluorine-containing polymeric compound (F) containing a structural unit (f1) having a base dissociable group and a structural unit (f2) represented by general formula (f2-1) (wherein R represents a hydrogen atom, a lower alkyl group or a halogenated lower alkyl group; and W is a group represented by any one of general formulas (w-1) to (w-4)); a base component (A) that exhibits changed solubility in an alkali developing solution under the action of acid; and an acid generator component (B) that generates acid upon exposure.
    Type: Application
    Filed: December 23, 2011
    Publication date: April 19, 2012
    Inventors: Daiju SHIONO, Tomoyuki Hirano, Sanae Furuya, Takahiro Dazai, Hiroaki Shimizu, Tsuyoshi Kurosawa, Hideto Nito, Tsuyoshi Nakamura
  • Patent number: 8142979
    Abstract: A resist composition for immersion exposure, including a base component (A) that exhibits changed solubility in an alkali developing solution under action of acid, an acid generator component (B) that generates acid upon exposure, and a fluorine-containing compound (C) represented by general formula (c-1) (in formula (c-1), R1 represents an organic group which may contain a polymerizable group; X represents a divalent organic group having an acid dissociable portion; and R2 represents an organic group having a fluorine atom).
    Type: Grant
    Filed: June 10, 2009
    Date of Patent: March 27, 2012
    Assignee: Tokyo Ohka Tokyo Co., Ltd.
    Inventors: Tsuyoshi Kurosawa, Hiroaki Shimizu
  • Publication number: 20110311917
    Abstract: A resist composition for immersion exposure, including a base component (A) that exhibits changed solubility in an alkali developing solution under action of acid, an acid generator component (B) that generates acid upon exposure, and a fluorine-containing compound (C) represented by general formula (c-1) (in formula (c-1), R1 represents an organic group which may contain a polymerizable group; X represents a divalent organic group having an acid dissociable portion; and R2 represents an organic group having a fluorine atom).
    Type: Application
    Filed: August 26, 2011
    Publication date: December 22, 2011
    Inventors: Tsuyoshi KUROSAWA, Hiroaki SHIMIZU
  • Patent number: 7927780
    Abstract: A compound represented by formula (I); and a compound represented by formula (b1-1): wherein X represents —O—, —S—, —O—R3— or —S—R4—, wherein each of R3 and R4 independently represents an alkylene group of 1 to 5 carbon atoms; R2 represents an alkyl group of 1 to 6 carbon atoms, an alkoxy group of 1 to 6 carbon atoms, a halogenated alkyl group of 1 to 6 carbon atoms, a halogen atom, a hydroxyalkyl group of 1 to 6 carbon atoms, a hydroxyl group or a cyano group; a represents an integer of 0 to 2; Q1 represents an alkylene group of 1 to 12 carbon atoms or a single bond; Y1 represents an alkylene group of 1 to 4 carbon atoms or a fluorinated alkylene group; M+ represents an alkali metal ion; and A+ represents an organic cation.
    Type: Grant
    Filed: September 10, 2008
    Date of Patent: April 19, 2011
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Akiya Kawaue, Takeshi Iwai, Hideo Hada, Shinichi Hidesaka, Tsuyoshi Kurosawa, Natsuko Maruyama, Kensuke Matsuzawa, Takehiro Seshimo, Hiroaki Shimizu, Tsuyoshi Nakamura
  • Publication number: 20100233623
    Abstract: A positive resist composition including: a polymeric compound (A1) having a structural unit (a0) that contains a “cyclic group containing —SO2—” on the side chain terminal, and a structural unit (a1) derived from an acrylate ester containing an acid dissociable, dissolution inhibiting group; an acid generator component (B); and a fluorine-containing resin component having a structural unit (f1) represented by general formula (f1-0): wherein R represents a hydrogen atom, an alkyl group of 1 to 5 carbon atoms or a halogenated alkyl group of 1 to 5 carbon atoms; Q0 represents a single bond or a divalent linking group having a fluorine atom; and RX0 represents an acid dissociable, dissolution inhibiting group-containing group which may contain a fluorine atom, with the provision that at least one fluorine atom is contained in formula (f1-0).
    Type: Application
    Filed: March 4, 2010
    Publication date: September 16, 2010
    Applicant: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Tsuyoshi Kurosawa, Hiroaki Shimizu