Patents by Inventor Hideo Hada

Hideo Hada 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: 7682772
    Abstract: A compound represented by general formula (I); and a compound represented by general formula (b1-1). [Chemical Formula 1] X-Q1-Y1—SO3?M+??(I) X-Q1-Y1—SO3?A+??(b1-1) wherein Q1 represents a divalent linkage group or a single bond; Y1 represents an alkylene group which may have a substituent or a fluorinated alkylene group which may have a substituent; X represents a cyclic group of 3 to 30 carbon atoms which may have a substituent, and has an —SO2— bond in the structure thereof; M+ represents an alkali metal ion; and A+ represents an organic cation.
    Type: Grant
    Filed: November 5, 2008
    Date of Patent: March 23, 2010
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Takehiro Seshimo, Yoshiyuki Utsumi, Akiya Kawaue, Hideo Hada, Hiroaki Shimizu, Tsuyoshi Nakamura
  • Publication number: 20100015552
    Abstract: A resist composition including: a base component (A) which exhibits changed solubility in an alkali developing solution under action of acid; and an acid-generator component (B) which generates acid upon exposure, wherein said acid-generator component (B) comprises an acid generator (B1) including a compound represented by general formula (b1-11) shown below: wherein R7? to R9? each independently represent an aryl group or an alkyl group, wherein two of R7? to R9? may be bonded to each other to form a ring with the sulfur atom, and at least one of R7? to R9? represents a substituted aryl group having a group represented by general formula (I) shown below as a substituent; X? represents an anion; and Rf represents a fluorinated alkyl group.
    Type: Application
    Filed: July 8, 2009
    Publication date: January 21, 2010
    Applicant: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Akiya Kawaue, Yoshiyuki Utsumi, Takehiro Seshimo, Tsuyoshi Nakamura, Naoto Motoike, Hiroaki Shimizu, Kensuke Matsuzawa, Hideo Hada
  • Publication number: 20100015548
    Abstract: A positive resist composition including a resin component (A) and an acid generator component (B), the resin component (A) including a copolymer (A1) having a structural unit (a1) derived from an acrylate ester having a monocyclic or polycyclic group-containing acid dissociable, dissolution inhibiting group, a structural unit (a2) derived from an acrylate ester having a lactone-containing cyclic group, a structural unit (a3) derived from an acrylate ester having a hydroxyl group and/or cyano group-containing polycyclic group, and a structural unit (a4) represented by general formula (a4-1) shown below: wherein R represents a hydrogen atom, a halogen atom, a lower alkyl group or a halogenated lower alkyl group; R? represents a hydrogen atom, a lower alkyl group or an alkoxy group of 1 to 5 carbon atoms; and f represents 0 or 1.
    Type: Application
    Filed: June 16, 2006
    Publication date: January 21, 2010
    Applicant: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Masaru Takeshita, Hideo Hada, Takeshi Iwai
  • Patent number: 7648816
    Abstract: A positive resist composition that includes a base material component (A) that contains an acid-dissociable, dissolution-inhibiting group and exhibits increased alkali solubility under the action of acid, and an acid generator component (B) that generates acid upon exposure, wherein the base material component (A) contains a compound (A1), in which either a portion of, or all of, the hydrogen atoms of phenolic hydroxyl groups within a polyhydric phenol compound with a molecular weight of 300 to 2,500 represented by a general formula (I) shown below have been substituted with at least one group selected from the group consisting of acid-dissociable, dissolution-inhibiting groups represented by a general formula (II) shown below and acid-dissociable, dissolution-inhibiting groups represented by a general formula (III) shown below.
    Type: Grant
    Filed: February 20, 2006
    Date of Patent: January 19, 2010
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Daiju Shiono, Taku Hirayama, Hideo Hada
  • Publication number: 20100009284
    Abstract: A compound including a polyhydric phenol compound represented by general formula (I) shown below (wherein R11 to R17 each independently represents an alkyl group of 1 to 10 carbon atoms or aromatic hydrocarbon group which may contain a hetero atom in the structure thereof, and X represents an aliphatic cyclic group) and having a molecular weight of 300 to 2,500, in which some or all of the hydrogen atoms of the phenolic hydroxyl groups are substituted with acid dissociable, dissolution inhibiting groups; a positive resist composition containing the compound; and a method of forming a resist pattern using the positive resist composition.
    Type: Application
    Filed: June 7, 2006
    Publication date: January 14, 2010
    Applicant: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Daiju Shiono, Taku Hirayama, Hideo Hada
  • Publication number: 20090286936
    Abstract: Disclosed is a composition for formation of a mold, which is used in a method for producing a nanostructure by removing a portion of a thin film formed on the surface of a mold, and removing the mold, the composition including an organic compound, which has a hydrophilic group and has a molecular weight of 500 or more.
    Type: Application
    Filed: April 20, 2006
    Publication date: November 19, 2009
    Applicants: Tokyo Ohka Kogyo Co., Ltd., Riken
    Inventors: Toshiyuki Ogata, Hideo Hada, Shigenori Fujikawa, Toyoki Kunitake
  • Publication number: 20090269700
    Abstract: A positive resist composition, including a resin 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 component (A) includes a structural unit (a1) derived from a hydroxystyrene, and a structural unit (a2) containing an acid dissociable, dissolution inhibiting group; and the component (B) includes an acid generator (B1) composed of a compound represented by the general formula (b1) shown below: [Chemical Formula 1] X-Q1-Y1—SO3? A+??(b1) (in the formula, Q1 represents a bivalent linking group containing an oxygen atom; Y1 represents an alkylene group of 1 to 4 carbon atoms which may contain a substituent or a fluorinated alkylene group of 1 to 4 carbon atoms which may contain a substituent; X represents a hydrocarbon group of 3 to 30 carbon atoms which may contain a substituent; and A+ represents an organic cation).
    Type: Application
    Filed: April 22, 2009
    Publication date: October 29, 2009
    Applicant: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Koji Yonemura, Makiko Irie, Hideo Hada
  • Publication number: 20090269698
    Abstract: The present invention provides a compound that can be used within a resist composition, an intermediate compound for the compound, a positive resist composition, and a method for forming a resist pattern.
    Type: Application
    Filed: August 3, 2007
    Publication date: October 29, 2009
    Inventors: Daiju Shiono, Hideo Hada
  • Patent number: 7592123
    Abstract: A resin for photoresist compositions is disclosed with excellent resolution and line edge roughness characteristics. A photoresist composition and a method for forming a resist pattern using such a resin are also disclosed. The resin has a hydroxyl group bonded to a carbon atom at a polymer terminal, and the carbon atom in the ?-position to the hydroxyl group has at least one electron attractive group.
    Type: Grant
    Filed: June 2, 2004
    Date of Patent: September 22, 2009
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Hideo Hada, Masaru Takeshita, Shogo Matsumaru, Hiroaki Shimizu
  • Patent number: 7592122
    Abstract: A high-molecular compound and a low-molecular compound or both having an alkali-soluble site (i) wherein at least a part of the alkali-soluble site (i) is protected with (ii) a halogen atom-containing acetal type acid-dissociative, dissolution inhibiting group, as well as a photoresist composition comprising the same. The photoresist composition is highly stable during storage and can give a resist pattern excellent in sectional rectangular shape and having high transparency to an exposure light, particularly a light having a wavelength of 300 nm or less.
    Type: Grant
    Filed: April 15, 2004
    Date of Patent: September 22, 2009
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Toshiyuki Ogata, Kotaro Endo, Hiromitsu Tsuji, Masaaki Yoshida, Mitsuru Sato, Syogo Matsumaru, Hideo Hada
  • Publication number: 20090226842
    Abstract: A resist composition including a base component (A) which exhibits changed solubility in an alkali developing solution under action of acid and an acid-generator component (B) which generates acid upon exposure, the acid-generator component (B) including an acid generator (B1) consisting of a compound represented by general formula (b1) shown below (wherein Q1 represents a divalent linkage group containing an oxygen atom; Y1 represents a fluorinated alkylene group of 1 to 4 carbon atoms which may have a substituent, with the proviso that the carbon atom adjacent to the sulfur atom within the —SO3? group has a fluorine atom bonded thereto; X represents a hydrocarbon group of 3 to 30 carbon atoms which may have a substituent; and A+ represents an organic cation), and the resist composition further including an organic compound (C) which generates an acid exhibiting a weaker acid strength than the acid generated from the acid generator (B1) upon exposure.
    Type: Application
    Filed: March 9, 2009
    Publication date: September 10, 2009
    Applicant: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Hiroaki Shimizu, Yasuhiro Yoshii, Yoshiyuki Utumi, Hideo Hada
  • Publication number: 20090202939
    Abstract: Disclosed are a compound that can be used for a resist composition, a positive resist composition that includes the compound, and a method for forming a resist pattern. Specifically disclosed is a compound represented by a formula (A-1). In the formula (A-1), R11 to R17 each represents an alkyl group or an aromatic hydrocarbon group; g and j each represents an integer of 1 or greater, and k and q each represents an integer of 0 or greater, provided that g+j+k+q is not greater than 5; b represents an integer of 1 or greater, and l and m each represents an integer of 0 or greater, provided that b+l+m is not greater than 4; c represents an integer of 1 or greater, and n and o each represents an integer of 0 or greater, provided that c+n+o is not greater than 4; A represents a trivalent aromatic cyclic group, alkyl group or aliphatic cyclic group, or a trivalent organic group having an aromatic cyclic group or an aliphatic cyclic group; and Z represents a group represented by a formula (z1).
    Type: Application
    Filed: March 20, 2007
    Publication date: August 13, 2009
    Applicant: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Daiju Shiono, Taku Hirayama, Hideo Hada
  • Publication number: 20090162781
    Abstract: This resist composition is a resist composition containing a compound in which a portion or all of hydrogen atoms of phenolic hydroxyl groups in a polyhydric phenol compound (a) having two or more phenolic hydroxyl groups and having a molecular weight of 300 to 2,500 are substituted with at least one selected from the group consisting of acid dissociable dissolution inhibiting groups represented by the following general formulas (p1) and (p2) wherein R1 and R2 each independently represents a branched or cyclic alkyl group, and may contain a hetero atom in the structure; R3 represents a hydrogen atom or a lower alkyl group; and n? represents an integer of 1 to 3.
    Type: Application
    Filed: September 30, 2005
    Publication date: June 25, 2009
    Applicant: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Daiju Shiono, Taku Hirayama, Toshiyuki Ogata, Hideo Hada
  • Publication number: 20090162788
    Abstract: A resist composition including a base component (A) which exhibits changed solubility in an alkali developing solution under action of acid and an acid-generator component (B) which generates acid upon exposure, the acid-generator component (B) including an acid generator (B1) consisting of a compound represented by general formula (b1-1) shown below: wherein RX represents a hydrocarbon group which may have a substituent exclusive of a nitrogen atom; each of Q2 and Q3 independently represents a single bond or a divalent linkage group; Y1 represents an alkylene group or fluorinated alkyl group of 1 to 4 carbon atoms; and Z+ represents an organic cation exclusive of an ion represented by general formula (w-1).
    Type: Application
    Filed: December 18, 2008
    Publication date: June 25, 2009
    Applicant: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Hideo Hada, Yoshiyuki Utsumi, Keita Ishiduka, Kensuke Matsuzawa, Fumitake Kaneko, Kyoko Ohshita, Hiroaki Shimizu, Yasuhiro Yoshii
  • Publication number: 20090162784
    Abstract: The present invention relates to a polymer compound comprising at least one constituent unit (a0) selected from the group consisting of constituent units represented by the following general formulas (A0-1), (A0-2), (A0-3) and (A0-4) [wherein R represents a hydrogen atom or a lower alkyl group], and a constituent unit (a1) derived from an (a-lower alkyl)acrylate ester having an acid dissociable dissolution inhibiting group.
    Type: Application
    Filed: September 22, 2005
    Publication date: June 25, 2009
    Applicant: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Toshiyuki Ogata, Shogo Matsumaru, Hideo Hada
  • Patent number: 7544460
    Abstract: A resist composition is disclosed that enables formation of a favorable resist pattern using a shrink process in which, following formation of the resist pattern, a treatment such as heating is used to narrow the resist pattern, and also disclosed are a laminate and a method for forming a resist pattern that use such a resist composition. This resist composition includes a resin component (A) that displays changed alkali solubility under the action of acid, and an acid generator component (B) that generates acid on exposure. The component (A) contains structural units derived from a (meth)acrylate ester, and exhibits a glass transition temperature that falls within a range from 120 to 170° C.
    Type: Grant
    Filed: July 7, 2004
    Date of Patent: June 9, 2009
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Hideo Hada, Kazuhito Sasaki, Satoshi Fujimura, Takeshi Iwai
  • Publication number: 20090142700
    Abstract: A resin for photoresist compositions is disclosed with excellent resolution and line edge roughness characteristics. A photoresist composition and a method for forming a resist pattern using such a resin are also disclosed. The resin has a hydroxyl group bonded to a carbon atom at a polymer terminal, and the carbon atom in the ?-position to the hydroxyl group has at least one electron attractive group.
    Type: Application
    Filed: February 4, 2009
    Publication date: June 4, 2009
    Applicant: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Hideo Hada, Masaru Takeshita, Shogo Matsumaru, Hiroaki Shimizu
  • Publication number: 20090142696
    Abstract: Disclosed is a positive resist composition comprising a resin component (A) and an acid generator component (B), wherein the component (A) contains a polymer compound (A1) containing a structural unit (a0) represented by formula (a0) shown below and a structural unit (a2) derived from an acrylate ester containing a lactone-containing cyclic group: (wherein R represents a hydrogen atom, a halogen atom, a lower alkyl group, or a halogenated lower alkyl group; Y1 represents an aliphatic cyclic group; Z represents an acid dissociable, dissolution inhibiting group containing a tertiary alkyl group; a represents an integer from 1 to 3, b represents an integer from 0 to 2, and a+b=1 to 3; and c, d and e each represents, independently, an integer from 0 to 3).
    Type: Application
    Filed: October 17, 2006
    Publication date: June 4, 2009
    Applicant: Tokyo Ohika Kogyo Co., Ltd.
    Inventors: Sanae Furuya, Hideo Hada, Yusuke Nakagawa, Akiyoshi Yamazaki
  • Patent number: 7541138
    Abstract: A resist composition which is stable relative to solvents used in immersion lithography processes and displays excellent sensitivity and resist pattern profile, and a method of forming a resist pattern that uses such a resist composition are provided. The resist composition is in accordance with predetermined parameters, or is a positive resist composition comprising a resin component (A) which contains an acid dissociable, dissolution inhibiting group and displays increased alkali solubility under the action of acid, an acid generator component (B), and an organic solvent (C), wherein the component (A) contains a structural unit (a1) derived from a (meth)acrylate ester containing an acid dissociable, dissolution inhibiting group, but contains no structural units (a0), including structural units (a0-1) containing an anhydride of a dicarboxylic acid and structural units (a0-2) containing a phenolic hydroxyl group.
    Type: Grant
    Filed: January 10, 2007
    Date of Patent: June 2, 2009
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Taku Hirayama, Hideo Hada, Satoshi Fujimura, Takeshi Iwai, Mitsuru Sato, Ryoichi Takasu, Toshikazu Tachikawa, Jun Iwashita, Keita Ishiduka, Tomotaka Yamada, Toshikazu Takayama, Masaaki Yoshida
  • Publication number: 20090134119
    Abstract: A film-forming material that is capable of forming, at a low temperature, a film having a high degree of etching resistance and a high etching selectivity ratio relative to an organic film, as well as a method of forming a pattern that uses the film-forming material. The film-forming material includes a metal compound (W) capable of generating a hydroxyl group upon hydrolysis, and a solvent (S) in which the metal compound is dissolved, wherein the solvent (S) includes a solvent (S1) with a boiling point of at least 155° C. that contains no functional groups that react with the metal compound (W). The method of forming a pattern includes the steps of: coating a pattern, which has been formed on top of an organic film of a laminate that includes a substrate and the organic film, using the above film-forming material, and then conducting etching of the organic film using the pattern as a mask.
    Type: Application
    Filed: August 24, 2006
    Publication date: May 28, 2009
    Applicants: TOKYO OHKA KOGYO CO., LTD., RIKEN
    Inventors: Shogo Matsumaru, Hideo Hada, Fujikawa Shigenori, Toyoki Kunitake