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: 8101013
    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: Grant
    Filed: August 24, 2006
    Date of Patent: January 24, 2012
    Assignees: Tokyo Ohka Kogyo Co., Ltd., Riken
    Inventors: Shogo MatsuMaru, Hideo Hada, Shingenori Fujikawa, Toyoki Kunitake
  • Patent number: 8097397
    Abstract: Disclosed are: a material for forming a protective film to be laminated on a photoresist film, which can prevent the contamination of an exposing device with an outgas generated from the photoresist film, which has little influence on the environment, which has a high water repellent property, which sparingly causes mixing with the photoresist film, and which can form a high-resolution photoresist pattern; a method for forming a photoresist pattern; and a solution for washing/removing a protective film. Specifically disclosed are: a material for forming a protective film, which comprises (a) a non-polar polymer and (b) a non-polar solvent; a method for forming a photoresist pattern by using the material; and a solution for washing/removing a protective film, which is intended to be used in the method.
    Type: Grant
    Filed: September 13, 2007
    Date of Patent: January 17, 2012
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Toshikazu Takayama, Keita Ishiduka, Hideo Hada, Shigeru Yokoi
  • Publication number: 20120009521
    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: September 15, 2011
    Publication date: January 12, 2012
    Applicant: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Akiya Kawaue, Yoshiyuki Utsumi, Takehiro Seshimo, Tsuyoshi Nakamura, Naoto Motoike, Hiroaki Shimizu, Kensuke Matsuzawa, Hideo Hada
  • Patent number: 8025923
    Abstract: A method of manufacturing a structure, including forming a composite film composed of a coating film and an organic or inorganic film on top of a substrate by forming the coating film on the surface of a template provided on top of the substrate; forming the organic or inorganic film on the surface of the coating film, and removing a portion of the organic or inorganic film and a portion of the coating film; forming a second coating film on the surface of the composite film; forming an organic coating film on the substrate that covers the second coating film; removing a portion of the second coating film; and forming a structure composed of a metal or metal oxide later on the substrate by removing all residues left on the substrate except for the coating film and the second coating film.
    Type: Grant
    Filed: September 2, 2008
    Date of Patent: September 27, 2011
    Assignees: Tokyo Ohka Kogyo Co., Ltd., Riken
    Inventors: Shigenori Fujikawa, Toyoki Kunitake, Hiromi Takaemoto, Mari Koizumi, Hideo Hada, Sanae Furuya
  • Patent number: 8017300
    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: Grant
    Filed: March 20, 2007
    Date of Patent: September 13, 2011
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Daiju Shiono, Taku Hirayama, Hideo Hada
  • Patent number: 8012669
    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: Grant
    Filed: March 9, 2009
    Date of Patent: September 6, 2011
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Hiroaki Shimizu, Yasuhiro Yoshii, Yoshiyuki Utumi, Hideo Hada
  • Patent number: 7993706
    Abstract: A method of forming a nano-structure can form a fine pattern easily, and the nano-structure obtained by the method is provided. A method of forming a nano-structure comprising forming a thin film by a liquid phase adsorption on surface of a template formed on a substrate, and removing a portion of the thin film, and removing the template is used.
    Type: Grant
    Filed: June 8, 2005
    Date of Patent: August 9, 2011
    Assignee: Riken
    Inventors: Shigenori Fujikawa, Toyoki Kunitake, Hideo Hada, Toshiyuki Ogata
  • Patent number: 7960089
    Abstract: A compound of the present invention is a compound represented by a general formula (A-1) [wherein, R? represents a hydrogen atom or an acid-dissociable, dissolution-inhibiting group, provided that at least one R? group is an acid-dissociable, dissolution-inhibiting group, R11 to R17 each represent an alkyl group of 1 to 10 carbon atoms or an aromatic hydrocarbon group, which may include a hetero atom within the structure; g and j each represent an integer of 1 or greater, and k and q each represent an integer of 0 or greater, provided that g+j+k+q is not greater than 5; a represents an integer from 1 to 3; b represents an integer of 1 or greater, and l and m each represent 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 represent an integer of 0 or greater, provided that c+n+o is not greater than 4; and A represents a group represented by a general formula (Ia) shown below, a group represented by a general formula (Ib) shown belo
    Type: Grant
    Filed: September 13, 2006
    Date of Patent: June 14, 2011
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Daiju Shiono, Takahiro Dazai, Taku Hirayama, Kohei Kasai, Hideo Hada
  • Patent number: 7943284
    Abstract: A positive type resist composition for forming a high resolution resist pattern and a method of forming a resist pattern are provided which use a low-molecular-weight material as a base component, and a compound and a dissolution inhibitor that are each suitable for the positive type resist composition. Here, the compound is a non-polymer having a molecular weight of 500 to 3000, and is decomposed under the action of an acid to produce two or more molecules of a decomposition product having a molecular weight of 200 or more; the dissolution inhibitor comprises the compound; the positive type resist composition comprises the compound and the acid generator component; and the method of forming a resist pattern uses the positive type resist composition.
    Type: Grant
    Filed: April 17, 2006
    Date of Patent: May 17, 2011
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Daiju Shiono, Taku Hirayama, Toshiyuki Ogata, Shogo Matsumaru, Hideo Hada
  • Patent number: 7932013
    Abstract: There are provided a coating material which improves an etching resistance of a pattern in an etching process using a pattern formed on a substrate as a mask. The material is a pattern coating material for an etching process using a pattern formed on a substrate as a mask, including a metal compound (W) which can produce a hydroxyl group on hydrolysis.
    Type: Grant
    Filed: June 16, 2006
    Date of Patent: April 26, 2011
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Shogo Matsumaru, Toshiyuki Ogata, Kiyoshi Ishikawa, Hideo Hada, Shigenori Fujikawa, Toyoki Kunitake
  • Publication number: 20110091810
    Abstract: A positive type resist composition for forming a high resolution resist pattern and a method of forming a resist pattern are provided which use a low-molecular-weight material as a base component, and a compound and a dissolution inhibitor that are each suitable for the positive type resist composition. Here, the compound is a non-polymer having a molecular weight of 500 to 3000, and is decomposed under the action of an acid to produce two or more molecules of a decomposition product having a molecular weight of 200 or more; the dissolution inhibitor comprises the compound; the positive type resist composition comprises the compound and the acid generator component; and the method of forming a resist pattern uses the positive type resist composition.
    Type: Application
    Filed: December 29, 2010
    Publication date: April 21, 2011
    Applicant: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Daiju SHIONO, Taku Hirayama, Toshiyuki OGATA, Shogo MATSUMARU, Hideo HADA
  • 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
  • Patent number: 7910284
    Abstract: To overcome the problem that a device performance is degraded by the edge roughness of a photoresist pattern, a mixture of polynuclear phenol compounds having, in one molecule, 0 to 6 functional groups which are chemically converted due to actions of an acid with the solubility in an alkaline developer reduced is used as a material for photoresist. In the mixture, two or more triphenyl methane structures are bonded to portions other than the functional group in the nonconjugated state. Furthermore, the mixture comprises polynuclear compounds with the average number of functional groups of 2.5 or below and includes the polynuclear compounds not having any functional group per molecule by 15% or less in the term of weight ratio, and the polynuclear phenol compounds having 3 or more functional groups per molecule by 40% or less.
    Type: Grant
    Filed: August 15, 2007
    Date of Patent: March 22, 2011
    Assignees: Hitachi, Ltd., Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Kyoko Kojima, Hideo Hada, Daiju Shiono
  • Patent number: 7901865
    Abstract: A resist composition that includes a base material component (A), which contains acid-dissociable, dissolution-inhibiting groups and exhibits increased alkali solubility under the action of acid, an acid generator component (B) that generates acid on exposure, and an organic solvent (C), in which the components (A) and (B) are dissolved in the organic solvent (C), wherein the base material component (A) contains a protected form (A1) of a polyhydric phenol compound (a) having two or more phenolic hydroxyl groups and a molecular weight within a range from 300 to 2,500, in which either a portion of, or all of, the phenolic hydroxyl groups are protected with acid-dissociable, dissolution-inhibiting groups, and the organic solvent (C) comprises an alcohol.
    Type: Grant
    Filed: September 2, 2005
    Date of Patent: March 8, 2011
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Taku Hirayama, Daiju Shiono, Hideo Hada
  • Patent number: 7897319
    Abstract: A positive resist composition including a base material for a pattern-forming material (A), which contains a protector (X1) of a polyhydric phenol compound (x) having two or more phenolic hydroxyl groups and a molecular weight of 300 to 2,500, in which a portion of the phenolic hydroxyl groups are protected with an acid-dissociable, dissolution-inhibiting group, and an acid generator component (B) that generates an acid upon exposure, wherein the component (B) contains an onium salt-based acid generator (B1) with an alkylsulfonate ion as an anion.
    Type: Grant
    Filed: July 25, 2005
    Date of Patent: March 1, 2011
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Daiju Shiono, Taku Hirayama, Hideo Hada
  • Patent number: 7879528
    Abstract: A resist composition and a method of forming a resist pattern that enable contamination within the exposure apparatus to be prevented in lithography processes using an electron beam or EUV (extreme ultraviolet light). In this method, an organic solvent containing, as the principal component, one or more compounds selected from a group consisting of propylene glycol monomethyl ether (PGME), methyl amyl ketone (MAK), butyl acetate (BuOAc), and 3-methyl methoxy propionate (MMP) is used as the resist solvent.
    Type: Grant
    Filed: March 7, 2008
    Date of Patent: February 1, 2011
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Takeo Watanabe, Hideo Hada, Hiroo Kinoshita
  • Publication number: 20110008728
    Abstract: A resist composition including: a base component which exhibits changed solubility in an alkali developing solution under the action of acid; and an acid-generator component containing an acid generator (B1) consisting of a compound represented by general formula (b1); dissolved in an organic solvent containing an alcohol-based organic solvent having a boiling point of at least 150° C., wherein R7? to R9? represents an aryl group or an alkyl group, provided that at least one of R7? to R9? represents a substituted aryl group which has been substituted with a group represented by the formula: —O—R70 (R70 represents an organic group), and two of R7? to R9? may be mutually bonded to form a ring with the sulfur atom; X represents a hydrocarbon group of 3 to 30 carbon atoms; Q1 represents a divalent linking group containing an oxygen atom; and Y1 represents an alkylene group of 1 to 4 carbon atoms or a fluorinated alkylene group of 1 to 4 carbon atoms.
    Type: Application
    Filed: May 26, 2010
    Publication date: January 13, 2011
    Applicant: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Tsuyoshi NAKAMURA, Masaru TAKESHITA, Jiro YOKOYA, Hideo HADA, Kensuke MATSUZAWA, Kazushige DOHTANI
  • Patent number: 7862981
    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: Grant
    Filed: June 7, 2006
    Date of Patent: January 4, 2011
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Daiju Shiono, Taku Hirayama, Hideo Hada
  • Patent number: 7855044
    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: Grant
    Filed: June 16, 2006
    Date of Patent: December 21, 2010
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Masaru Takeshita, Hideo Hada, Takeshi Iwai
  • Patent number: 7851129
    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: Grant
    Filed: September 30, 2005
    Date of Patent: December 14, 2010
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Daiju Shiono, Taku Hirayama, Toshiyuki Ogata, Hideo Hada