Patents by Inventor Naotsugu Muro

Naotsugu Muro 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: 20240392214
    Abstract: An object of the present invention is to provide a composition in which, even in a case of being used after a lapse of a predetermined period from production, removal performance of residues and anticorrosion properties of a tungsten-containing film are excellent, and deterioration of electrical properties of the tungsten-containing film can be suppressed; and to provide a manufacturing method of a semiconductor element. The composition of the present invention contains sorbic acid, citric acid, an amine-containing compound which is at least one selected from the group consisting of ammonia, an organic amine, a quaternary ammonium compound, and salts thereof, a specific compound which has at least one group selected from the group consisting of a phosphono group and a phosphoric acid group, and water, in which a pH at 25° C. is 4.0 to 9.0.
    Type: Application
    Filed: August 2, 2024
    Publication date: November 28, 2024
    Applicant: FUJIFILM Corporation
    Inventors: Naotsugu MURO, Tadashi INABA, Tetsuya KAMIMURA
  • Publication number: 20240209284
    Abstract: The present invention provides a cleaning composition having excellent storage stability, a cleaning method of a semiconductor substrate, and a manufacturing method of a semiconductor element. The cleaning composition of the present invention contains a polycarboxylic acid, a chelating agent, a sulfonic acid having an alkyl group having 9 to 18 carbon atoms, and water, in which a mass ratio of the polycarboxylic acid to the chelating agent is 10 to 200, a mass ratio of the polycarboxylic acid to the sulfonic acid is 70 to 1,000, a pH is 0.10 to 4.00, and an electrical conductivity is 0.08 to 11.00 mS/cm.
    Type: Application
    Filed: December 8, 2023
    Publication date: June 27, 2024
    Applicant: FUJIFILM Corporation
    Inventors: Naotsugu MURO, Tadashi Inaba, Tetsuya Kamimura
  • Publication number: 20240067901
    Abstract: An object of the present invention is to provide a cleaning composition which has excellent removability of a residue (particularly, a residue after CMP) and excellent anticorrosion properties of copper; a cleaning method of a semiconductor substrate; and a manufacturing method of a semiconductor element. The cleaning composition of the present invention contains citric acid, 1-hydroxyethane-1,1-diphosphonic acid, a sulfonic acid-based surfactant, and water, in which a mass ratio of a content of the citric acid to a content of the 1-hydroxyethane-1,1-diphosphonic acid is 20 to 150, a mass ratio of the content of the citric acid to a content of the sulfonic acid-based surfactant is 70 to 1,500, and a pH is 0.10 to 4.00.
    Type: Application
    Filed: October 23, 2023
    Publication date: February 29, 2024
    Applicant: FUJIFILM Corporation
    Inventors: Naotsugu MURO, Tadashi INABA, Tetsuya KAMIMURA
  • Publication number: 20240026254
    Abstract: An object of the present invention is to provide a cleaning liquid for a semiconductor substrate, which has excellent cleaning performance and excellent ruthenium oxide dissolving ability in a case of being applied as a cleaning liquid after a CMP treatment of a semiconductor substrate including a metal film. A cleaning liquid for a semiconductor substrate according to the present invention is a cleaning liquid for a semiconductor substrate, which is used for cleaning a semiconductor substrate, where the cleaning liquid contains at least one purine compound selected from the group consisting of purine and a purine derivative and a compound represented by Formula (A).
    Type: Application
    Filed: July 21, 2023
    Publication date: January 25, 2024
    Applicant: FUJIFILM Corporation
    Inventors: Shimpei YAMADA, Tetsuya KAMIMURA, Naoko OUCHI, Naotsugu MURO, Nobuaki SUGIMURA, Yuta SHIGENOI
  • Publication number: 20240018442
    Abstract: An object of the present invention is to provide a cleaning liquid for a semiconductor substrate, which is excellent in cleaning performance of organic impurities, and a cleaning method for a semiconductor substrate. The cleaning liquid for a semiconductor substrate according to the present invention is a cleaning liquid for a semiconductor substrate used for cleaning a semiconductor substrate, and includes a compound represented by Formula (A).
    Type: Application
    Filed: September 25, 2023
    Publication date: January 18, 2024
    Applicant: FUJIFILM Corporation
    Inventors: Naoko OUCHI, Tetsuya Kamimura, Shimpei Yamada, Naotsugu Muro
  • Patent number: 11848249
    Abstract: There is provided a manufacturing method for a thermal conductive layer, with which a thermal conductive layer having a thermal diffusivity of 3.0×10?7 m2s?1 or more is manufactured on a support by using a composition for forming a thermal conductive layer, the composition containing a resin, a filler, and a solvent and having a concentration of solid contents of less than 90% by mass, the manufacturing method including a discharge step of discharging the composition toward the support; and a solvent amount reduction step of reducing a solvent amount in the composition such that a first solvent amount reduction time taken after the composition is discharged until the concentration of solid contents in the composition reaches 90% by mass on the support is 10 seconds or more for each position on the support.
    Type: Grant
    Filed: March 21, 2022
    Date of Patent: December 19, 2023
    Assignee: FUJIFILM Corporation
    Inventors: Kosuke Yamashita, Naotsugu Muro, Toshiyuki Saie, Naoki Sato, Kazuto Shimada
  • Publication number: 20230243780
    Abstract: Provided are a method of manufacturing a semiconductor device in which the purity of a chemical liquid containing an organic solvent is more easily managed, a method of washing a semiconductor manufacturing apparatus, and a simpler method of measuring the cleanliness of a washing solution. A method of manufacturing a semiconductor device has Step 1 of bringing an oscillator into contact with a chemical liquid containing an organic solvent as a main component to obtain the amount of change in the resonance frequency of the oscillator resulting from the contact with the chemical liquid, Step 2 of confirming whether or not the amount of change in the resonance frequency of the chemical liquid falls within a permissible range of the amount of change in the resonance frequency based on the preset purity of the chemical liquid, and Step 3 of using the chemical liquid confirmed in Step 2 in manufacturing a semiconductor device.
    Type: Application
    Filed: February 22, 2023
    Publication date: August 3, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Akihiko OHTSU, Yukihisa Kawada, Naotsugu Muro, Masahiro Yoshidome, Tetsuya Kamimura, Ryo Saito
  • Publication number: 20220216126
    Abstract: There is provided a manufacturing method for a thermal conductive layer, with which a thermal conductive layer having a thermal diffusivity of 3.0×10?7 m2s?1 or more is manufactured on a support by using a composition for forming a thermal conductive layer, the composition containing a resin, a filler, and a solvent and having a concentration of solid contents of less than 90% by mass, the manufacturing method including a discharge step of discharging the composition toward the support; and a solvent amount reduction step of reducing a solvent amount in the composition such that a first solvent amount reduction time taken after the composition is discharged until the concentration of solid contents in the composition reaches 90% by mass on the support is 10 seconds or more for each position on the support.
    Type: Application
    Filed: March 21, 2022
    Publication date: July 7, 2022
    Applicant: FUJIFILM Corporation
    Inventors: Kosuke YAMASHITA, Naotsugu MURO, Toshiyuki SAIE, Naoki SATO, Kazuto SHIMADA
  • Patent number: 11112693
    Abstract: Provided are a curable coloring composition which is suitable for the production of a cured film in cyan color, having good moisture resistance, a color filter, an image sensor, and a method for producing a cured film. The curable coloring composition includes a coloring agent including a phthalocyanine pigment having Al as a central metal, a basic pigment derivative, and a curable compound, in which the coloring agent includes 80% by mass or more of the phthalocyanine pigments, and the content of the phthalocyanine pigment having Al as a central metal among the phthalocyanine pigments is 30% by mass or more.
    Type: Grant
    Filed: August 8, 2018
    Date of Patent: September 7, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Yoshinori Taguchi, Naotsugu Muro, Yousuke Murakami, Seongmu Bak, Akiko Yoshii
  • Publication number: 20200393757
    Abstract: Provided are a photosensitive composition used for forming a negative tone pattern by development with a developer including an organic solvent, the photosensitive composition including a coloring material, a resin having solubility which decreases in the organic solvent due to an action of acid, and a photoacid generator; a film formed of the photosensitive composition; a method of forming a pattern; a color filter; a solid-state imaging element; and an image display device.
    Type: Application
    Filed: August 26, 2020
    Publication date: December 17, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Kazuto Shimada, Naotsugu Muro
  • Publication number: 20200263037
    Abstract: A coloring composition includes a metal azo pigment, a polymerizable compound, and a solvent, the metal azo pigment includes at least one kind of an anion selected from an azo compound represented by Formula (I) or an azo compound having a tautomeric structure of the azo compound represented by Formula (I), two or more kinds of metal ions, and a melamine compound, and in Formula (I), R1 and R2 each independently represent OH or NR5R6, R3 and R4 each independently represent ?O or ?NR7, and R5 to R7 each independently represent a hydrogen atom or an alkyl group.
    Type: Application
    Filed: March 31, 2020
    Publication date: August 20, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Hirotaka TAKISHITA, Kazuya OTA, Naotsugu MURO, Haruki INABE
  • Patent number: 10641935
    Abstract: Provided are a coloring composition capable of producing a film having fewer defects generated, and the like even in a case where the coloring composition is stored for a long period of time in an environment with variations in temperature, a color filter, a pattern forming method, a solid-state imaging device, and an image display device. The coloring composition includes a heterocycle-containing coloring agent such as a compound represented by Formula (1), a phthalimide compound, a solvent, and a resin. In Formula (1), R1 to R13 each independently represent a hydrogen atom or a substituent, and adjacent groups of R1 to R8 may be bonded to each other to form a ring, provided that at least one of the pairs of adjacent two groups of R1 to R8 is bonded to each other to form an aromatic ring.
    Type: Grant
    Filed: May 3, 2018
    Date of Patent: May 5, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Naotsugu Muro, Seongmu Bak, Akiko Yoshii, Yoshinori Taguchi, Yousuke Murakami
  • Patent number: 10634997
    Abstract: Provided is a coloring composition capable of producing a cured film having suppressed color unevenness even in a case where the coloring composition is used after being stored for a long period of time. In addition, provided are a color filter, a pattern forming method, a solid-state imaging device, and an image display device. The coloring composition includes a halogenated zinc phthalocyanine pigment, a maleimide compound, a curable compound other than the maleimide compound, and a solvent, in which the molecular weight of the maleimide compound is 100 to 400, and the content of the maleimide compound is 0.08 to 0.8 parts by mass with respect to 100 parts by mass of the halogenated zinc phthalocyanine pigment.
    Type: Grant
    Filed: July 24, 2018
    Date of Patent: April 28, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Seongmu Bak, Naotsugu Muro, Yoshinori Taguchi, Akiko Yoshii, Yousuke Murakami
  • Patent number: 10435794
    Abstract: There is provided an etching method of a semiconductor substrate that includes a first layer containing germanium (Ge) and a second layer containing at least one specific metal element selected from nickel platinum (NiPt), titanium (Ti), nickel (Ni), and cobalt (Co), the method including: bringing an etching solution which contains a non-halogen acidic compound into contact with the second layer and selectively removing the second layer.
    Type: Grant
    Filed: October 30, 2015
    Date of Patent: October 8, 2019
    Assignee: FUJIFILM Corporation
    Inventors: Naotsugu Muro, Tetsuya Kamimura, Satomi Takahashi, Akiko Koyama, Atsushi Mizutani
  • Patent number: 10409158
    Abstract: Provided are a coloring composition having improved heat resistance; and a cured film, a color filter, a method for producing a color filter, and a solid-state imaging element and an image display device, each of which uses the coloring composition. The coloring composition includes a dye (A) represented by the following General Formula (I) and a polymerizable compound (B). General Formula (I) is (R)m-Q-(D)n, wherein Q represents an (m+n)-valent linking group, R represents a substituent, D represents a dye residue, m represents an integer of 0 to 6, n represents an integer of 2 to 8, and (m+n) represents an integer of 2 to 8. In the case where m is 2 or more, a plurality of R's may be different from each other, and in the case where n is 2 or more, a plurality of D's may be different from each other.
    Type: Grant
    Filed: January 6, 2016
    Date of Patent: September 10, 2019
    Assignee: FUJIFILM Corporation
    Inventors: Akihiro Hara, Tetsuya Watanabe, Yuushi Kaneko, Suguru Samejima, Junichi Ito, Naotsugu Muro, Kazuya Oota, Yoshinori Taguchi
  • Publication number: 20180348630
    Abstract: Provided are a curable coloring composition which is suitable for the production of a cured film in cyan color, having good moisture resistance, a color filter, an image sensor, and a method for producing a cured film. The curable coloring composition includes a coloring agent including a phthalocyanine pigment having Al as a central metal, a basic pigment derivative, and a curable compound, in which the coloring agent includes 80% by mass or more of the phthalocyanine pigments, and the content of the phthalocyanine pigment having Al as a central metal among the phthalocyanine pigments is 30% by mass or more.
    Type: Application
    Filed: August 8, 2018
    Publication date: December 6, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Yoshinori TAGUCHI, Naotsugu MURO, Yousuke MURAKAMI, Seongmu BAK, Akiko YOSHII
  • Publication number: 20180329295
    Abstract: Provided is a coloring composition capable of producing a cured film having suppressed color unevenness even in a case where the coloring composition is used after being stored for a long period of time. In addition, provided are a color filter, a pattern forming method, a solid-state imaging device, and an image display device. The coloring composition includes a halogenated zinc phthalocyanine pigment, a maleimide compound, a curable compound other than the maleimide compound, and a solvent, in which the molecular weight of the maleimide compound is 100 to 400, and the content of the maleimide compound is 0.08 to 0.8 parts by mass with respect to 100 parts by mass of the halogenated zinc phthalocyanine pigment.
    Type: Application
    Filed: July 24, 2018
    Publication date: November 15, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Seongmu BAK, Naotsugu MURO, Yoshinori TAGUCHI, Akiko YOSHII, Yousuke MURAKAMI
  • Publication number: 20180252852
    Abstract: Provided are a coloring composition capable of producing a film having fewer defects generated, and the like even in a case where the coloring composition is stored for a long period of time in an environment with variations in temperature, a color filter, a pattern forming method, a solid-state imaging device, and an image display device. The coloring composition includes a heterocycle-containing coloring agent such as a compound represented by Formula (1), a phthalimide compound, a solvent, and a resin. In Formula (1), R1 to R13 each independently represent a hydrogen atom or a substituent, and adjacent groups of R1 to R8 may be bonded to each other to form a ring, provided that at least one of the pairs of adjacent two groups of R1 to R8 is bonded to each other to form an aromatic ring.
    Type: Application
    Filed: May 3, 2018
    Publication date: September 6, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Naotsugu MURO, Seongmu BAK, Akiko YOSHII, Yoshinori TAGUCHI, Yousuke MURAKAMI
  • Patent number: 9664827
    Abstract: The invention is directed to a colored composition for forming a green color filter, containing a color pigment, wherein a content of the color pigment to a total solid content of the colored composition is 60% by weight or more, and a layer having a thickness of 0.6 ?m formed from the colored composition has light transmittance of 80% or more at a wavelength of 550 nm and light transmittance of 50% or less at a wavelength of 450 nm, and a method of producing a color filter including (A) forming a first colored layer containing a first colored composition and (B) patterning with dry etching so as to from a through-hole group in the first colored layer, wherein the first colored composition is the colored composition as defined herein.
    Type: Grant
    Filed: February 4, 2014
    Date of Patent: May 30, 2017
    Assignee: FUJIFILM Corporation
    Inventors: Naotsugu Muro, Yasuo Sugishima, Kaoru Aoyagi, Mitsuji Yoshibayashi
  • Patent number: 9632222
    Abstract: This disclosure relates to a method for manufacturing a color filter being capable of suppressing a surface of a colored pattern from being rough in a planarization treatment, a color filter and a solid-state imaging device.
    Type: Grant
    Filed: February 26, 2014
    Date of Patent: April 25, 2017
    Assignee: FUJIFILM Corporation
    Inventors: Yasuo Sugishima, Mitsuji Yoshibayashi, Kaoru Aoyagi, Yushi Kaneko, Naotsugu Muro