Patents by Inventor Katsuya Takemura

Katsuya Takemura 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: 20160358833
    Abstract: The present invention is a semiconductor apparatus including a semiconductor device, an on-semiconductor-device metal pad and a metal interconnect each electrically connected to the semiconductor device, a through electrode and a solder bump each electrically connected to the metal interconnect, a first photosensitive insulating layer formed on the semiconductor device, and a second photosensitive insulating layer formed on the first photosensitive insulating layer, in which the first and second photosensitive insulating layers are composed of a photo-curable resin composition containing a silicone polymer compound having an epoxy group-containing repeating unit shown by formula (1) and a phenolic hydroxyl group-containing repeating unit shown by formula (2), a photosensitive acid generator, a solvent, and crosslinking agents.
    Type: Application
    Filed: May 24, 2016
    Publication date: December 8, 2016
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Kyoko SOGA, Satoshi ASAI, Katsuya TAKEMURA
  • Patent number: 9494863
    Abstract: A chemically amplified negative resist composition comprising a silicone structure-bearing polymer forms a film which can be readily patterned. The patterned film is tightly adherent to various substrates and suited as protective film on electric/electronic parts because of improved alkali resistance and reliability.
    Type: Grant
    Filed: September 23, 2015
    Date of Patent: November 15, 2016
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Satoshi Asai, Katsuya Takemura, Kyoko Soga
  • Patent number: 9400428
    Abstract: A polymer compound includes a carboxyl group and a siloxane chain and is obtained in the presence of an acid catalyst by condensation of at least; (I) a siloxane compound having phenol groups at both terminals, as shown by formula (1), (II) phenols shown by formula (2) and/or phenols shown by formula (3), and (III) one or more kinds of aldehydes and ketones shown by the following general formula (4). The polymer compound can be used suitably as a base resin of a chemically amplified negative resist composition with which the problem of delamination generated on metal wires, an electrode, and a substrate, can be improved, and with which a fine pattern can be formed without generating a scum and a footing profile in the pattern bottom and on the substrate, using a widely used aqueous 2.38% TMAH solution as a developer.
    Type: Grant
    Filed: June 20, 2014
    Date of Patent: July 26, 2016
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Hiroyuki Urano, Masashi Iio, Katsuya Takemura, Takashi Miyazaki
  • Publication number: 20160200877
    Abstract: The present invention provides a silicone skeleton-containing polymer compound containing a repeating unit shown by the general formula (1). There can be provided a silicone skeleton-containing polymer compound suitable used as a base resin of a chemically amplified negative resist composition that can remedy the problem of delamination generated on a metal wiring such as Cu and Al, an electrode, and a substrate, especially on a substrate such as SiN, and can form a fine pattern without generating a scum and a footing profile in the pattern bottom and on the substrate.
    Type: Application
    Filed: December 4, 2015
    Publication date: July 14, 2016
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Hiroyuki URANO, Masashi IIO, Katsuya TAKEMURA, Takashi Miyazaki
  • Patent number: 9377689
    Abstract: A silicone structure-bearing polymer comprising recurring units derived from a bis(4-hydroxy-3-allylphenyl) derivative and having a Mw of 3,000-500,000 is provided. A chemically amplified negative resist composition comprising the polymer overcomes the stripping problem that a coating is stripped from metal wirings of Cu or Al, electrodes, and SiN substrates.
    Type: Grant
    Filed: July 23, 2015
    Date of Patent: June 28, 2016
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Katsuya Takemura, Hiroyuki Urano, Masashi Iio, Takayuki Fujiwara, Koji Hasegawa
  • Patent number: 9366961
    Abstract: A silicone structure-bearing polymer having a crosslinking group within the molecule, containing an isocyanurate structure bonded within the molecule, and having a Mw of 3,000-500,000 is provided. The polymer overcomes the stripping problem that a coating is stripped from metal wirings of Cu or Al, electrodes, and SiN substrates.
    Type: Grant
    Filed: June 23, 2015
    Date of Patent: June 14, 2016
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Hiroyuki Urano, Katsuya Takemura, Takashi Miyazaki
  • Publication number: 20160097974
    Abstract: A chemically amplified negative resist composition comprising a silicone structure-bearing polymer forms a film which can be readily patterned. The patterned film is tightly adherent to various substrates and suited as protective film on electric/electronic parts because of improved alkali resistance and reliability.
    Type: Application
    Filed: September 23, 2015
    Publication date: April 7, 2016
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Satoshi Asai, Katsuya Takemura, Kyoko Soga
  • Publication number: 20160097973
    Abstract: The present invention provides a silicone skeleton-containing polymer compound containing a repeating unit shown by the general formula (1) and having a weight average molecular weight of 3,000 to 500,000. There can be provided a silicone skeleton-containing polymer compound suitable used as a base resin of a chemically amplified negative resist composition that can remedy the problem of delamination generated on a metal wiring such as Cu and Al, an electrode, and a substrate, especially on a substrate such as SiN, and can form a fine pattern without generating a scum and a footing profile in the pattern bottom and on the substrate when the widely used 2.38% TMAH aqueous solution is used as a developer.
    Type: Application
    Filed: September 15, 2015
    Publication date: April 7, 2016
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Hiroyuki URANO, Masashi IIO, Katsuya TAKEMURA, Koji HASEGAWA, Masahiro FUKUSHIMA, Takayuki FUJIWARA
  • Publication number: 20160033865
    Abstract: A silicone structure-bearing polymer comprising recurring units derived from a bis(4-hydroxy-3-allylphenyl) derivative and having a Mw of 3,000-500,000 is provided. A chemically amplified negative resist composition comprising the polymer overcomes the stripping problem that a coating is stripped from metal wirings of Cu or Al, electrodes, and SiN substrates.
    Type: Application
    Filed: July 23, 2015
    Publication date: February 4, 2016
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Katsuya Takemura, Hiroyuki Urano, Masashi Iio, Takayuki Fujiwara, Koji Hasegawa
  • Publication number: 20150370166
    Abstract: A positive photosensitive resin composition containing a polymer compound obtained in the presence of an acid catalyst by condensation of at least a siloxane compound shown by formula (1), a phenol compounds shown by formula (2) and/or formula (3), and aldehydes and ketones shown by formula (4), a photosensitive material capable of generating an acid by light and increasing a dissolution rate in an aqueous alkaline solution, a crosslinker, and a solvent. There can be provided a positive photosensitive resin composition that can remedy the problem of delamination generated on metal wiring, electrode, and substrate such as Cu and Al, especially on substrate SiN, and can form fine pattern having forward tapered shape without generating scum and footing profile in the pattern bottom and on the substrate when the widely used 2.38% TMAH aqueous solution is used as a developer.
    Type: Application
    Filed: June 1, 2015
    Publication date: December 24, 2015
    Inventors: Katsuya TAKEMURA, Masashi IIO, Hiroyuki URANO, Takashi MIYAZAKI
  • Publication number: 20150355543
    Abstract: A chemically amplified positive resist composition is provided comprising a substantially alkali-insoluble polymer having an acid labile group-protected acidic functional group, a poly(meth)acrylate polymer having Mw of 1,000-500,000, and an acid generator in a solvent. The composition forms on a substrate a resist film of 5-100 ?m thick which can be briefly developed to form a pattern at a high sensitivity and a high degree of removal or dissolution to bottom.
    Type: Application
    Filed: June 5, 2015
    Publication date: December 10, 2015
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Katsuya Takemura, Yoshinori Hirano
  • Publication number: 20150293447
    Abstract: A silicone structure-bearing polymer having a crosslinking group within the molecule, containing an isocyanurate structure bonded within the molecule, and having a Mw of 3,000-500,000 is provided. The polymer overcomes the stripping problem that a coating is stripped from metal wirings of Cu or Al, electrodes, and SiN substrates.
    Type: Application
    Filed: June 23, 2015
    Publication date: October 15, 2015
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Hiroyuki Urano, Katsuya Takemura, Takashi Miyazaki
  • Patent number: 9158191
    Abstract: A chemically amplified negative resist composition is provided comprising (A) a resin having a crosslinking group, (B) a crosslinker, (C) a photoacid generator capable of generating an acid upon exposure to light of wavelength 190-500 nm, (D) a solvent, and (E) a fluoroalkyl-containing amine compound. The resist composition can form a fine pattern, specifically a fine hole or space pattern which has a positive taper (or forward taper) profile in which the size of top is greater than the size of bottom or improves the overhang profile with extremely projected top.
    Type: Grant
    Filed: December 5, 2012
    Date of Patent: October 13, 2015
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Katsuya Takemura, Takeru Watanabe, Takashi Miyazaki
  • Patent number: 9091919
    Abstract: A silicone structure-bearing polymer having a crosslinking group within the molecule, containing an isocyanurate structure bonded within the molecule, and having a Mw of 3,000-500,000 is provided. The polymer overcomes the stripping problem that a coating is stripped from metal wirings of Cu or Al, electrodes, and SiN substrates.
    Type: Grant
    Filed: January 28, 2013
    Date of Patent: July 28, 2015
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Hiroyuki Urano, Katsuya Takemura, Takashi Miyazaki
  • Patent number: 9063421
    Abstract: A chemically amplified positive resist composition comprising (A) 100 pbw of a base resin which is normally alkali insoluble or substantially insoluble, (B) 0.05-20 pbw of a photoacid generator, (C) 0.1-50 pbw of a thermal crosslinker, and (D) 50-5,000 pbw of an organic solvent is coated to form a thick film having a high sensitivity and resolution.
    Type: Grant
    Filed: May 21, 2014
    Date of Patent: June 23, 2015
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Hiroyuki Yasuda, Katsuya Takemura, Shohei Tagami
  • Patent number: 9045587
    Abstract: A naphthalene derivative having formula (1) is provided wherein Ar1 and Ar2 denote a benzene or naphthalene ring, and n is such a natural number as to provide a weight average molecular weight of up to 100,000. A material comprising the naphthalene derivative or a polymer comprising the naphthalene derivative is spin coated to form a resist bottom layer having improved properties. A pattern forming process in which a resist bottom layer formed by spin coating is combined with an inorganic hard mask formed by CVD is available.
    Type: Grant
    Filed: August 22, 2014
    Date of Patent: June 2, 2015
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Takeshi Kinsho, Daisuke Kori, Katsuya Takemura, Takeru Watanabe, Tsutomu Ogihara
  • Patent number: 9017905
    Abstract: In a chemically amplified positive resist composition comprising (A) a base resin, (B) a photoacid generator, (C) a thermal crosslinker, and (D) an organic solvent, the base resin is a specific polymer and the crosslinker is a siloxane compound. A coating of the composition is readily developable in aqueous alkaline solution. On heat treatment, it forms a cured resist pattern film of satisfactory profile.
    Type: Grant
    Filed: September 23, 2013
    Date of Patent: April 28, 2015
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Masashi Iio, Katsuya Takemura, Takashi Miyazaki, Hideyoshi Yanagisawa
  • Patent number: 8980525
    Abstract: A chemically amplified positive resist composition is provided comprising an alkali-insoluble or substantially alkali-insoluble polymer having an acid labile group-protected acidic functional group, an alkyl vinyl ether polymer, a photoacid generator, and a benzotriazole compound in a solvent. The composition forms on a substrate a resist film of 5-100 ?m thick which can be briefly developed to form a pattern at a high sensitivity and a high degree of removal or dissolution to bottom.
    Type: Grant
    Filed: July 24, 2012
    Date of Patent: March 17, 2015
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Hiroyuki Yasuda, Katsuya Takemura
  • Patent number: 8968979
    Abstract: A positive resist composition comprises a polymer comprising repeat units having formula (1) or (2). Herein denotes an aromatic hydrocarbon group, R1 is H, methyl or trifluoromethyl, R2 is H, C1-C12 alkyl or aromatic hydrocarbon group, R3 is C1-C12 alkyl, or R2 and R3 may bond together to form a ring, and a is 1 or 2. When used in the ArF lithography, the resist composition exhibits high resolution. When used in the EB image writing for mask processing, the resist composition exhibits high resolution and sensitivity sufficient to comply with high-accelerating-voltage EB irradiation, and high etch resistance.
    Type: Grant
    Filed: November 20, 2009
    Date of Patent: March 3, 2015
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Katsuya Takemura, Keiichi Masunaga, Daisuke Domon, Masayoshi Sagehashi
  • Patent number: 8968982
    Abstract: In a chemically amplified positive resist composition comprising a base resin and an acid generator in a solvent, the base resin contains both an alkali-insoluble or substantially alkali-insoluble polymer having an acid labile group-protected acidic functional group having a Mw of 1,000-500,000 and an alkyl vinyl ether polymer having a Mw of 10,000-500,000. The composition forms on a substrate a resist film of 5-100 ?m thick which can be briefly developed to form a pattern at a high sensitivity and a high degree of removal or dissolution to bottom.
    Type: Grant
    Filed: January 19, 2012
    Date of Patent: March 3, 2015
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Hiroyuki Yasuda, Katsuya Takemura