Patents by Inventor Masako HATASE

Masako HATASE 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: 20240018655
    Abstract: Provided is a method of producing a thin-film containing a hafnium atom on a surface of a substrate by an atomic layer deposition method, including: a step 1 of causing a raw material gas obtained by vaporizing a thin-film forming raw material containing a hafnium compound represented by the following general formula (1) to adsorb to the surface of the substrate to form a precursor thin-film; a step 2 of evacuating the raw material gas remaining unreacted; and a step 3 of causing the precursor thin-film to react with a reactive gas at a temperature of 300° C. or more and less than 450° C. to form the thin-film containing a hafnium atom on the surface of the substrate: wherein R1 and R2 each independently represent a hydrogen atom or an alkyl group having 1 to 3 carbon atoms, and R3 and R4 each independently represent an alkyl group having 1 to 3 carbon atoms.
    Type: Application
    Filed: November 16, 2021
    Publication date: January 18, 2024
    Applicant: ADEKA CORPORATION
    Inventors: Akihiro NISHIDA, Masako HATASE, Tomoharu YOSHINO, Yoshiki OOE, Chiaki MITSUI
  • Publication number: 20240018654
    Abstract: Provided is a method of producing a thin-film containing a zirconium atom on a surface of a substrate by an atomic layer deposition method, including: a step 1 of causing a raw material gas obtained by vaporizing a thin-film forming raw material containing a zirconium compound represented by the following general formula (1) to adsorb to the surface of the substrate to form a precursor thin-film; a step 2 of evacuating the raw material gas remaining unreacted; and a step 3 of causing the precursor thin-film to react with a reactive gas at a temperature of 240° C. or more and 450° C. or less to form the thin-film containing a zirconium atom on the surface of the substrate: wherein R1 and R2 each independently represent a hydrogen atom or an alkyl group having 1 to 3 carbon atoms, and R3 and R4 each independently represent an alkyl group having 1 to 3 carbon atoms, provided that a zirconium compound in which both of R1 and R2 represent hydrogen atoms is excluded.
    Type: Application
    Filed: November 16, 2021
    Publication date: January 18, 2024
    Applicant: ADEKA CORPORATION
    Inventors: Akihiro NISHIDA, Masako HATASE, Tomoharu YOSHINO, Yoshiki OOE, Chiaki MITSUI
  • Publication number: 20230349039
    Abstract: Provided is a thin-film forming raw material, which is used in an atomic layer deposition method, including an yttrium compound represented by the following general formula (1): where R1 represents a secondary alkyl group having 3 to 8 carbon atoms, R2 represents a tertiary alkyl group having 4 to 8 carbon atoms, and R3 represents a hydrogen atom, or a primary, secondary, or tertiary alkyl group having 1 to 5 carbon atoms.
    Type: Application
    Filed: September 8, 2021
    Publication date: November 2, 2023
    Applicant: ADEKA CORPORATION
    Inventors: Masako HATASE, Chiaki MITSUI
  • Publication number: 20230304154
    Abstract: The present invention provides an alkoxide compound represented by the following general formula (1), a thin-film forming raw material containing the compound, and a method of producing a thin-film: where R1 and R2 each independently represent a hydrogen atom, an alkyl group having 1 to 5 carbon atoms, or a fluorine atom-containing alkyl group having 1 to 5 carbon atoms, R3 and R4 each independently represent an alkyl group having 1 to 5 carbon atoms, or a fluorine atom-containing alkyl group having 1 to 5 carbon atoms, R5 represents a hydrogen atom, a fluorine atom-containing group, or an alkyl group having 1 to 5 carbon atoms, R6 represents a fluorine atom-containing group, M represents a metal atom or a semimetal atom, and “n” represents the valence of the atom represented by M, provided that when M represents a copper atom, R3 and R4 each independently represent an alkyl group having 1 or 2 carbon atoms, and R5 represents a hydrogen atom.
    Type: Application
    Filed: June 25, 2021
    Publication date: September 28, 2023
    Applicant: ADEKA CORPORATION
    Inventors: Atsushi SAKURAI, Masako HATASE, Nana OKADA, Ryota FUKUSHIMA
  • Patent number: 11760771
    Abstract: A ruthenium compound represented by a general formula described in the specification, a raw material which is for forming a thin film and which contains the ruthenium compound, and a method of producing a thin film using the raw material for forming a thin film are provided.
    Type: Grant
    Filed: July 27, 2018
    Date of Patent: September 19, 2023
    Assignee: ADEKA CORPORATION
    Inventors: Tomoharu Yoshino, Masaki Enzu, Nana Okada, Masako Hatase
  • Patent number: 11623935
    Abstract: Provided is a thin-film forming raw material, which is used in an atomic layer deposition method, including an alkoxide compound represented by the following general formula (1): where R1 represents a hydrogen atom or an alkyl group having 1 to 5 carbon atoms, R2 and R3 each independently represent an alkyl group having 1 to 5 carbon atoms, and z1 represents an integer of from 1 to 3.
    Type: Grant
    Filed: December 3, 2019
    Date of Patent: April 11, 2023
    Assignee: ADEKA CORPORATION
    Inventors: Atsushi Sakurai, Masako Hatase, Tomoharu Yoshino, Akihiro Nishida, Atsushi Yamashita
  • Publication number: 20220389570
    Abstract: Provided is a thin-film forming raw material containing a compound represented by the following formula (1): in the formula (1), R1 to R5 each independently represent a hydrogen atom, an alkyl group having 1 to 5 carbon atoms, or a group containing a fluorine atom, M represents a metal atom, and “n” represents a valence of the metal atom represented by M, provided that at least one of R2, R3, and R4 represents the group containing a fluorine atom.
    Type: Application
    Filed: October 19, 2020
    Publication date: December 8, 2022
    Applicant: ADEKA CORPORATION
    Inventors: Atsushi SAKURAI, Masako HATASE, Masaki ENZU, Keisuke TAKEDA, Ryota FUKUSHIMA, Atsushi YAMASHITA
  • Publication number: 20220372056
    Abstract: The present invention provides a ruthenium compound represented by the following general formula (1) or (2), a thin-film forming raw material containing the ruthenium compound, and a method of producing a thin-film including using the thin-film forming raw material: where R1 to R12 each independently represent a hydrogen atom, an alkyl group having 1 to 5 carbon atoms, or a fluorine atom-containing group, and “n” represents an integer from 0 to 2, provided that at least one of R1 to R12 represents the fluorine atom-containing group; where R13 to R17 each independently represent a hydrogen atom or an alkyl group having 1 to 5 carbon atoms, and a total number of the carbon atoms of R11 to R17 is 3 or more.
    Type: Application
    Filed: June 10, 2020
    Publication date: November 24, 2022
    Applicant: ADEKA CORPORATION
    Inventors: Masaki ENZU, Masako HATASE, Keisuke TAKEDA
  • Publication number: 20220024953
    Abstract: Provided is a thin-film forming raw material, which is used in an atomic layer deposition method, including an alkoxide compound represented by the following general formula (1): where R1 represents a hydrogen atom or an alkyl group having 1 to 5 carbon atoms, R2 and R3 each independently represent an alkyl group having 1 to 5 carbon atoms, and z1 represents an integer of from 1 to 3.
    Type: Application
    Filed: December 3, 2019
    Publication date: January 27, 2022
    Applicant: ADEKA CORPORATION
    Inventors: Atsushi SAKURAI, Masako HATASE, Tomoharu YOSHINO, Akihiro NISHIDA, Atsushi YAMASHITA
  • Publication number: 20200262854
    Abstract: A ruthenium compound represented by a general formula described in the specification, a raw material which is for forming a thin film and which contains the ruthenium compound, and a method of producing a thin film using the raw material for forming a thin film are provided.
    Type: Application
    Filed: July 27, 2018
    Publication date: August 20, 2020
    Applicant: ADEKA CORPORATION
    Inventors: Tomoharu YOSHINO, Masaki ENZU, Nana OKADA, Masako HATASE
  • Publication number: 20200148706
    Abstract: The present invention provides a metal alkoxide compound represented by the following general formula (1): (in the formula, R1 and R2 each independently represent an alkyl group having 1 to 4 carbon atoms, R3 represents an alkyl group having 2 or 3 carbon atoms, M represents a scandium atom, an yttrium atom, a lanthanum atom, a cerium atom, a praseodymium atom, a neodymium atom, a promethium atom, a samarium atom, a europium atom, a gadolinium atom, a terbium atom, a dysprosium atom, a holmium atom, an erbium atom, a thulium atom, an ytterbium atom, or a lutetium atom, and n represents the valence represented by M.
    Type: Application
    Filed: May 28, 2018
    Publication date: May 14, 2020
    Applicant: ADEKA CORPORATION
    Inventors: Atsushi SAKURAI, Masako HATASE, Nana OKADA, Akihiro NISHIDA
  • Publication number: 20200140463
    Abstract: The present invention provides a metal alkoxide compound represented by the following general formula (1), a thin-film-forming raw material containing the same, and a thin film production method of forming a metal-containing thin film using the raw material:
    Type: Application
    Filed: August 9, 2018
    Publication date: May 7, 2020
    Applicant: ADEKA CORPORATION
    Inventors: Nana OKADA, Masako HATASE, Akihiro NISHIDA, Atsushi SAKURAI
  • Patent number: 10364495
    Abstract: The present invention relates to an aluminum compound represented by general formula (I). The present invention also relates to a thin film-forming raw material that contains this aluminum compound. In general formula (I), R1 and R2 each independently denote a straight chain or branched alkyl group having 2-5 carbon atoms, and R3 denotes a methyl group or ethyl group. It is preferable for R1 and R2 to be ethyl groups. This compound has a low melting point, exhibits satisfactory volatility, has high thermal stability, and is suitable for use as a raw material used to form a thin film by a CVD method.
    Type: Grant
    Filed: April 10, 2017
    Date of Patent: July 30, 2019
    Assignee: ADEKA CORPORATION
    Inventors: Tomoharu Yoshino, Atsushi Sakurai, Tsubasa Shiratori, Masako Hatase, Hiroyuki Uchiuzou, Akihiro Nishida
  • Patent number: 10351584
    Abstract: An alkoxide compound is represented by General Formula (I) below: wherein R1 to R3 each independently represent hydrogen, a C1-12 hydrocarbon group, etc.; R4 represents a C1-12 hydrocarbon group, etc.; L represents hydrogen, halogen, a hydroxyl group, an amino group, an azi group, a phosphido group, a nitrile group, a carbonyl group, a C1-12 hydrocarbon group, etc.; and M represents a metal atom or a silicon atom, n represents an integer of 1 or more, m represents an integer of 0 or more, and n+m represents the valence of the metal atom or silicon atom.
    Type: Grant
    Filed: March 30, 2015
    Date of Patent: July 16, 2019
    Assignee: ADEKA CORPORATION
    Inventors: Atsushi Sakurai, Masako Hatase, Tomoharu Yoshino, Masaki Enzu
  • Patent number: 10167304
    Abstract: Disclosed is a ruthenium compound useful as a precursor in chemical vapor growth, particularly ALD. The compound has good reactivity with a reactive gas, a high vapor pressure, and a low melting point. The compound is represented by general formula (I), wherein R1, R2, and R3 each independently represent a straight or branched chain alkyl group having 1 to 5 carbon atoms, provided that the total number of the carbon atoms of R1 and R2 is 3 to 10. In formula (I), R1 and R2 are each preferably ethyl or isopropyl.
    Type: Grant
    Filed: November 7, 2014
    Date of Patent: January 1, 2019
    Assignee: ADEKA CORPORATION
    Inventors: Masako Hatase, Masaki Enzu, Atsushi Sakurai, Tomoharu Yoshino
  • Patent number: 10155784
    Abstract: An alcohol compound of formula (II) in which R4 represents a methyl group or an ethyl group, R5 represents a hydrogen atom, and R6 represents a C1-3 linear or branched alkyl group. The alcohol compound has physical properties suitable for a material for forming thin films by CVD, and particularly, physical properties suitable for a material for forming metallic-copper thin films.
    Type: Grant
    Filed: January 4, 2018
    Date of Patent: December 18, 2018
    Assignee: ADEKA CORPORATION
    Inventors: Atsushi Sakurai, Masako Hatase, Naoki Yamada, Tsubasa Shiratori, Akio Saito, Tomoharu Yoshino
  • Publication number: 20180282358
    Abstract: The alkoxide compound of the present invention is characteristically represented by the following general formula (I):
    Type: Application
    Filed: June 4, 2018
    Publication date: October 4, 2018
    Applicant: ADEKA CORPORATION
    Inventors: Atsushi SAKURAI, Masako HATASE, Tomoharu YOSHINO, Masaki ENZU
  • Patent number: 10011623
    Abstract: The alkoxide compound of the present invention is characteristically represented by the following general formula (I):
    Type: Grant
    Filed: July 16, 2015
    Date of Patent: July 3, 2018
    Assignee: ADEKA CORPORATION
    Inventors: Atsushi Sakurai, Masako Hatase, Tomoharu Yoshino, Masaki Enzu
  • Publication number: 20180134739
    Abstract: Disclosed is a metal alkoxide compound having physical properties suitable for a material for forming thin films by CVD, and particularly, a metal alkoxide compound having physical properties suitable for a material for forming metallic-copper thin films. A metal alkoxide compound is represented by general formula (I). A thin-film-forming material including the metal alkoxide compound is described as well. (In the formula, R1 represents a methyl group or an ethyl group, R2 represents a hydrogen atom or a methyl group, R3 represents a C1-3 linear or branched alkyl group, M represents a metal atom or a silicon atom, and n represents the valence of the metal atom or silicon atom.
    Type: Application
    Filed: January 4, 2018
    Publication date: May 17, 2018
    Inventors: Atsushi SAKURAI, Masako HATASE, Naoki YAMADA, Tsubasa SHIRATORI, Akio SAITO, Tomoharu YOSHINO
  • Patent number: 9896468
    Abstract: Disclosed is a metal alkoxide compound having physical properties suitable for a material for forming thin films by CVD, and particularly, a metal alkoxide compound having physical properties suitable for a material for forming metallic-copper thin films. A metal alkoxide compound is represented by general formula (I). A thin-film-forming material including the metal alkoxide compound is described as well. (In the formula, R1 represents a methyl group or an ethyl group, R2 represents a hydrogen atom or a methyl group, R3 represents a C1-3 linear or branched alkyl group, M represents a metal atom or a silicon atom, and n represents the valence of the metal atom or silicon atom.
    Type: Grant
    Filed: October 21, 2013
    Date of Patent: February 20, 2018
    Assignee: ADEKA CORPORATION
    Inventors: Atsushi Sakurai, Masako Hatase, Naoki Yamada, Tsubasa Shiratori, Akio Saito, Tomoharu Yoshino