Patents by Inventor Tomoyuki Hirano

Tomoyuki Hirano 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: 8227170
    Abstract: A resist composition including a base component (A) which exhibits changed solubility in an alkali developing solution under action of an acid, and an acid generator component (B), wherein the base component (A) includes a polymeric compound (A0) containing a structural unit (a0) represented by the general formula (a0-1) shown below: (wherein, R1 represents a hydrogen atom, an alkyl group or a halogenated alkyl group; R2 represents a bivalent linking group containing at least one kind of polar groups selected from the group consisting of —O—, —C(?O)—, —C(?O)—O—, a carbonate linkage (—O—C(?O)—O—), —S—, —S(?O)2—, —S(?O)2—O—, —NH—, —NR04— (wherein, R04 represents an alkyl group or an acyl group), and —NH—C(?O)—; and R3 represents a cyclic group containing a sulfonyl group within the ring skeleton).
    Type: Grant
    Filed: January 11, 2010
    Date of Patent: July 24, 2012
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Takahiro Dazai, Daiju Shiono, Tomoyuki Hirano, Tasuku Matsumiya, Daichi Takaki, Takayoshi Mori, Junichi Tsuchiya
  • Publication number: 20120183900
    Abstract: A resist composition including a base component (A) which exhibits changed solubility in a developing solution under action of acid and an acid-generator component (B) which generates acid upon exposure, wherein the base component (A) includes a polymeric compound (A1) having a structural unit (a5) represented by general formula (a5-1). In the formula (a5-1), 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; each of Ra and Rb independently represents a hydrocarbon group which may have a substituent, and Ra and Rb may be mutually bonded to form a ring.
    Type: Application
    Filed: January 17, 2012
    Publication date: July 19, 2012
    Applicant: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Junichi Tsuchiya, Daichi Takaki, Masatoshi Arai, Daiju Shiono, Tomoyuki Hirano
  • 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
  • Patent number: 8206891
    Abstract: A positive resist composition including: a base component (A) which includes a polymeric compound (A1) containing a structural unit (a0) represented by the general formula (a0-1) and a structural unit (a1) derived from an acrylate ester having an acid dissociable, dissolution inhibiting group; and an acid generator component (B) which includes an acid generator (B1) containing an anion moiety represented by the general formula (I): (in the formula (a0-1), R1 represents a hydrogen atom, a lower alkyl group of 1 to 5 carbon atoms or a halogenated lower alkyl group of 1 to 5 carbon atoms; R2 represents a bivalent linking group; and R3 represents a cyclic group containing —SO2— within the ring skeleton. In the formula (I), X represents a cyclic group of 3 to 30 carbon atoms, Q1 represents a bivalent linking group containing an oxygen atom; Y1 represents an alkylene group of 1 to 4 carbon atoms or a fluorinated alkylene group of 1 to 4 carbon atoms).
    Type: Grant
    Filed: October 5, 2009
    Date of Patent: June 26, 2012
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Takehiro Seshimo, Yoshiyuki Utsumi, Akiya Kawaue, Takahiro Dazai, Tomoyuki Hirano, Fumitake Kaneko, Kotaro Endo
  • Publication number: 20120148953
    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, wherein the base component (A) contains a polymeric compound (A1) having a structural unit (a5) represented by general formula (a5-1). In formula (a5-1), R represents a hydrogen atom, an alkyl group or a halogenated alkyl group, X represents single bond or divalent linking group, W represents a cyclic alkylene group which may include an oxygen atom at arbitrary position, each of Ra and Rb independently represents a hydrogen atom or an alkyl group which may include an oxygen atom at arbitrary position, or alternatively, Ra and Rb may be bonded to each other to form a ring together with the nitrogen atom in the formula, and p represents integer of 1 to 3.
    Type: Application
    Filed: December 5, 2011
    Publication date: June 14, 2012
    Applicant: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Masatoshi Arai, Junichi Tsuchiya, Daiju Shiono, Tomoyuki Hirano, Daichi Takaki
  • Patent number: 8192915
    Abstract: A positive resist composition including a base component (A) which exhibits increased solubility in an alkali developing solution under action of acid and an acid-generator component (B) which generates acid upon exposure, the base component (A) including a polymeric compound (A1) containing a structural unit (a0) represented by general formula (a0-1) (R2 represents a divalent linking group, and R3 represents a cyclic group containing —SO2— within the ring skeleton thereof) and a structural unit (a1) derived from an acrylate ester containing an acid dissociable, dissolution inhibiting group.
    Type: Grant
    Filed: August 20, 2009
    Date of Patent: June 5, 2012
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Takahiro Dazai, Tomoyuki Hirano, Daiju Shiono, Tasuku Matsumiya
  • Publication number: 20120135347
    Abstract: There are provided a resist composition, a method of forming a resist pattern using the resist composition, a novel polymeric compound and a compound useful as a monomer for the polymeric compound, the resist composition including a base component (A) that exhibits changed solubility in a developing solution under action of acid and an acid generator component (B) that generates acid upon exposure, wherein the base component (A) contains a resin component (A0) including a structural unit (a0) represented by general formula (a0) shown below [wherein A represents a divalent linking group; and R1 represents a hydrogen atom or a hydrocarbon group of 1 to 6 carbon atoms which may have a substituent.
    Type: Application
    Filed: November 28, 2011
    Publication date: May 31, 2012
    Applicant: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Yoshiyuki UTSUMI, Takehiro SESHIMO, Tomoyuki HIRANO, Daichi TAKAKI, Junichi TSUCHIYA
  • Patent number: 8182976
    Abstract: A positive resist composition including a base component (A) which exhibits increased solubility in an alkali developing solution under action of acid and an acid-generator component (B) which generates acid upon exposure, the resin component (A) including at least one structural unit (a0) selected from the group consisting of a structural unit represented by general formula (a0-1) [R2 represents a divalent linking group, and R3 represents a cyclic group containing —SO2— within the ring skeleton thereof] and a structural unit (a2) derived from an acrylate ester containing a lactone-containing cyclic group, and the polymeric compound (A1) containing an acid dissociable, dissolution inhibiting group within the structure thereof.
    Type: Grant
    Filed: August 20, 2009
    Date of Patent: May 22, 2012
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Takahiro Dazai, Tomoyuki Hirano, Daiju Shiono, Tasuku Matsumiya
  • Publication number: 20120100487
    Abstract: A resist composition including a base component that generates acid upon exposure and also exhibits increased polarity by action of acid, the base component including a polymeric compound having a structural unit that generates acid upon exposure; a structural unit derived from an acrylate ester, in which a hydrogen atom bonded to a carbon atom on the ?-position may be substituted with a substituent, and also includes an acid decomposable group that exhibits increased polarity by action of acid; and a structural unit represented by a particular general formula.
    Type: Application
    Filed: October 19, 2011
    Publication date: April 26, 2012
    Applicant: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Tomoyuki Hirano, Daichi Takaki, Daiju Shiono, Kenri Konno, Kensuke Matsuzawa, Jun Iwashita
  • 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
  • Publication number: 20120077125
    Abstract: A resist composition for immersion exposure, including a base component that exhibits changed solubility in an alkali developing solution under action of acid, an acid generator component that generates acid upon exposure, and a fluorine-containing compound represented by a general formula (c-1) that is decomposable in an alkali developing solution: wherein R1 represents an organic group which may contain a polymerizable group, with the proviso that said polymerizable group has a carbon-carbon multiple bond, and the carbon atoms forming the multiple bond are not directly bonded to the carbon atom within the —C(?O)— group in general formula (c-1); and R2 represents an organic group having a fluorine atom.
    Type: Application
    Filed: December 2, 2011
    Publication date: March 29, 2012
    Applicant: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Daiju Shiono, Takahiro Dazai, Sanae Furuya, Tomoyuki Hirano, Takayoshi Mori
  • Patent number: 8088553
    Abstract: A positive resist composition including a base component (A) which exhibits increased solubility in an alkali developing solution under action of acid and an acid-generator component (B) which generates acid upon exposure, the base component (A) including a polymeric compound (A1) having a structural unit (a0-1) represented by general formula (a0-1) (wherein R1 represents a hydrogen atom, a lower alkyl group or a halogenated lower alkyl group; R8 represents a divalent linking group; and R7 represents an acid dissociable, dissolution inhibiting group) and a structural unit (a0-2) represented by general formula (a0-2) (wherein R3 represents a hydrogen atom, a lower alkyl group or a halogenated lower alkyl group; R4 represents a branched alkyl group of 3 or more carbon atoms; and each of R5 and R6 independently represents an alkyl group, wherein R5 and R6 are mutually bonded to form a ring).
    Type: Grant
    Filed: April 17, 2009
    Date of Patent: January 3, 2012
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Hiroaki Shimizu, Tsuyoshi Nakamura, Takayoshi Mori, Sanae Furuya, Daiju Shiono, Tomoyuki Hirano, Takahiro Dazai
  • Patent number: 8058220
    Abstract: Problem: To provide a cleaning liquid for lithography and a cleaning method using it for photoexposure devices. In a process of liquid immersion lithography, the cleaning liquid may efficiently clean the photoexposure device site (especially optical lens member) contaminated with the component released from photoresist and remove the contaminant, and in addition, the waste treatment for the cleaning liquid is easy, the efficiency in substitution with the cleaning liquid for the medium for liquid immersion lithography is high, and the cleaning liquid does not detract from the throughput in semiconductor production.
    Type: Grant
    Filed: June 14, 2010
    Date of Patent: November 15, 2011
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Jun Koshiyama, Yoshihiro Sawada, Jiro Yokoya, Tomoyuki Hirano
  • Publication number: 20110269280
    Abstract: A semiconductor device, including: a first group of transistors formed on a semiconductor substrate; and a second group of transistors formed on the semiconductor substrate, each of which is lower in operating voltage than each of the transistors in the first group; wherein each of the transistors in the first group includes a first gate electrode formed on the semiconductor substrate through a first gate insulating film, and a silicide layer formed on the first gate electrode; each of the transistors in the second group includes a second gate electrode formed in a trench for gate formation, formed in an insulating film above the semiconductor substrate, through a second gate insulating film; and a protective film is formed so as to cover the silicide layer on each of the first gate electrodes of the first group of transistors.
    Type: Application
    Filed: July 13, 2011
    Publication date: November 3, 2011
    Applicant: SONY CORPORATION
    Inventors: Junli Wang, Tomoyuki Hirano, Toyotaka Kataoka, Yoshiya Hagimoto
  • Publication number: 20110262864
    Abstract: A method of forming a resist pattern, including: forming a resist film on a substrate using a resist composition containing a base component (A) which exhibits decreased solubility in an organic solvent under action of an acid and an acid-generator component (B) which generates an acid upon exposure, conducting exposure of the resist film, and patterning the resist film by a negative tone development using a developing solution containing an organic solvent, wherein the base component (A) includes a resin component (A1) containing a structural unit (a0) derived from an acrylate ester containing an acid decomposable group which generates an alcoholic hydroxy group by the action of acid to thereby exhibit increased hydrophilicity.
    Type: Application
    Filed: February 16, 2011
    Publication date: October 27, 2011
    Applicant: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Tomoyuki HIRANO, Takahiro DAZAI, Daiju SHIONO, Sho ABE
  • Publication number: 20110244392
    Abstract: A positive resist composition including a base component (A?) which exhibits increased solubility in an alkali developing solution under the action of acid and generates acid upon exposure, the base component (A?) including a resin component (A1) having a structural unit (a0-1) represented by general formula (a0-1), a structural unit (a0-2) which generates acid upon exposure and a structural unit (a1) derived from an acrylate ester containing an acid dissociable, dissolution inhibiting group (wherein 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, R2 represents a divalent linking group, and R3 represents a cyclic group containing —SO2— within the ring skeleton thereof).
    Type: Application
    Filed: December 27, 2010
    Publication date: October 6, 2011
    Applicant: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Tomoyuki HIRANO, Daiju SHIONO, Masatoshi ARAI
  • Publication number: 20110244399
    Abstract: A method of forming a resist pattern, including: forming a resist film on a substrate using a resist composition containing a base component (A) which exhibits decreased solubility in an organic solvent under action of an acid and an acid-generator component (B) which generates an acid upon exposure, conducting exposure of the resist film, and patterning the resist film by a negative tone development using a developing solution containing an organic solvent, wherein the base component (A) includes a resin component (A1) containing a structural unit (a1) derived from an acrylate ester containing an acid decomposable group which exhibits increased hydrophilicity by the action of an acid and a structural unit (a0) derived from an acrylate ester containing an —SO2— containing cyclic group.
    Type: Application
    Filed: February 16, 2011
    Publication date: October 6, 2011
    Applicant: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Tomoyuki HIRANO, Takahiro DAZAI, Daiju SHIONO
  • Publication number: 20110237014
    Abstract: A method for manufacturing a solid-state imaging device in which a charge generator that detects an electromagnetic wave and generates signal charges is formed on a semiconductor substrate and a negative-charge accumulated layer having negative fixed charges is formed above a detection plane of the charge generator. The method includes the steps of: forming an oxygen-feed film capable of feeding oxygen on the detection plane of the charge generator; forming a metal film that covers the oxygen-feed film on the detection plane of the charge generator; and performing heat treatment for the metal film in an inactive atmosphere to thereby form an oxide of the metal film between the metal film and the oxygen-feed film on the detection plane of the charge generator, the oxide being to serve as the negative-charge accumulated layer.
    Type: Application
    Filed: June 6, 2011
    Publication date: September 29, 2011
    Applicant: SONY CORPORATION
    Inventors: Susumu Hiyama, Tomoyuki Hirano
  • Publication number: 20110236824
    Abstract: A positive resist composition including a base component (A) which exhibits increased solubility in an alkali developing solution under action of acid, an acid-generator component (B) which generates acid upon exposure and a fluorine-containing polymeric compound (C?) which generates acid upon exposure, the base component (A) having a structural unit (a0-1) represented by general formula (a0-1) and a structural unit (a1) derived from an acrylate ester containing an acid dissociable, dissolution inhibiting group, and the fluorine-containing polymeric compound (C?) having a structural unit (c0) which generates acid upon exposure and a structural unit (c1) represented by formula (c1) (wherein R2 represents a divalent linking group, R3 represents a cyclic group containing —SO2— within the ring skeleton, Q0 represents a single bond or a divalent linking group, and R0 represents an organic group which may have a fluorine atom).
    Type: Application
    Filed: December 27, 2010
    Publication date: September 29, 2011
    Applicant: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Tomoyuki HIRANO, Daiju SHIONO, Masatoshi ARAI
  • Patent number: 8021823
    Abstract: There is provided a positive resist composition, including a base component (A) which exhibits increased solubility in an alkali developing solution under action of an acid, and an acid generator component (B) which generates an acid upon exposure, wherein the base component (A) includes a polymeric compound (A1) containing a structural unit (a0) represented by the general formula (a0-1) shown below: (wherein, R1 represents a hydrogen atom, a lower alkyl group or a halogenated lower alkyl group; A represents a bivalent linking group; B represents a bivalent linking group; and R2 represents an acid dissociable, dissolution inhibiting group).
    Type: Grant
    Filed: February 18, 2009
    Date of Patent: September 20, 2011
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Hiroaki Shimizu, Tsuyoshi Nakamura, Takahiro Dazai, Daiju Shiono, Tomoyuki Hirano