Patents by Inventor Kimihiko NAKATANI

Kimihiko NAKATANI 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: 20230287567
    Abstract: There is provided a technique that includes: (a) forming an inhibitor layer on a first surface of a substrate, which includes the first surface and a second surface, by supplying a modifying agent that reacts with the first surface to the substrate; (b) forming a first film on the second surface by supplying a first film-forming agent, at least a portion of which being provided with a first energy, to the substrate in which the inhibitor layer is formed on the first surface; and (c) forming a second film on the first film formed on the second surface by supplying a second film-forming agent, at least a portion of which being provided with a second energy which is higher than the first energy, to the substrate in which the first film is formed on the second surface.
    Type: Application
    Filed: February 10, 2023
    Publication date: September 14, 2023
    Applicant: Kokusai Electric Corporation
    Inventors: Kimihiko Nakatani, Yoshitomo Hashimoto
  • Patent number: 11746416
    Abstract: There is a provided a technique that includes forming a film containing Si, C and N on a substrate by performing a cycle a predetermined number of times, the cycle including non-simultaneously performing: (a) supplying a first precursor containing a Si—C bond and not containing halogen to the substrate; and (b) supplying a second precursor containing a Si—N bond and not containing an alkyl group to the substrate, wherein (a) and (b) are performed under a condition that at least a part of the Si—C bond in the first precursor and at least a part of the Si—N bond in the second gas are held without being cut.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: September 5, 2023
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventor: Kimihiko Nakatani
  • Patent number: 11705326
    Abstract: There is provided a technique that includes filling a concave portion formed on a surface of a substrate with a first film and a second film by performing: (a) forming the first film having a hollow portion using a first precursor so as to fill the concave portion formed on the surface of the substrate; (b) etching a portion of the first film which makes contact with the hollow portion, using an etching agent; and (c) forming the second film on the first film of which the portion is etched, using a second precursor, wherein (b) includes performing, a predetermined number of times: (b-1) modifying a portion of the first film using a modifying agent; and (b-2) selectively etching the modified portion of the first film using the etching agent.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: July 18, 2023
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Kimihiko Nakatani, Hiroshi Ashihara, Motomu Degai, Kenji Kameda
  • Patent number: 11699593
    Abstract: There is provided a technique that includes: etching a first film exposed on a surface of a substrate by performing a cycle a predetermined number of times, the cycle including non-simultaneously performing: (a) forming a first modified layer in at least a portion of a surface of the first film by supplying a first gas to the substrate; and (b) etching at least a portion of the first film with an etching species, the etching species being generated by supplying a second gas having a molecular structure different from that of the first gas to the substrate to perform at least one selected from the group of causing the second gas to react with the first modified layer and activating the first modified layer with the second gas.
    Type: Grant
    Filed: July 16, 2021
    Date of Patent: July 11, 2023
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Kimihiko Nakatani, Ryota Ueno, Motomu Degai, Takashi Nakagawa, Yoshitomo Hashimoto, Yoshiro Hirose
  • Publication number: 20230183864
    Abstract: There is provided a technique that includes: supplying a film formation inhibition gas to the substrate, which includes a first base and a second base on a surface of the substrate, to form a film formation inhibition layer on a surface of the first base; supplying a film-forming gas to the substrate after forming the film formation inhibition layer on the surface of the first base, to form a film on a surface of the second base; and supplying a halogen-free substance, which chemically reacts with the film formation inhibition layer and the film, to the substrate after forming the film on the surface of the second base, in a non-plasma atmosphere.
    Type: Application
    Filed: February 10, 2023
    Publication date: June 15, 2023
    Applicant: Kokusai Electric Corporation
    Inventors: Ryuji YAMAMOTO, Kimihiko NAKATANI, Yoshitomo HASHIMOTO, Takayuki WASEDA, Motomu DEGAI
  • Publication number: 20230175116
    Abstract: There is provided a technique that includes: (A) supplying a modifying agent to a substrate including a first surface and a second surface to form an inhibitor layer on the first surface; and (B) supplying a film-forming agent to the substrate after forming the inhibitor layer on the first surface to form a film on the second surface, wherein a width of an inhibitor molecule constituting the inhibitor layer is defined as WI, a spacing of adsorption sites on the first surface is defined as DA, a width of a molecule X constituting a predetermined substance contained in the film-forming agent is defined as WP, wherein WP>DA?WI is satisfied when WI is smaller than DA, and wherein WP>DAx?WI is satisfied when WI is larger than DA, where x is a smallest integer that satisfies WI<DAx.
    Type: Application
    Filed: December 6, 2022
    Publication date: June 8, 2023
    Applicant: Kokusai Electric Corporation
    Inventors: Kimihiko NAKATANI, Ryuji YAMAMOTO
  • Publication number: 20230123702
    Abstract: There is provided a technique that includes: (a) forming a film formation suppression layer on a surface of a first material of a concave portion of the substrate, by supplying a precursor to the substrate provided with the concave portion on a surface of the substrate to adsorb at least a portion of a molecular structure of molecules constituting the precursor on the surface of the first material of the concave portion, the concave portion having a top surface and a side surface composed of the first material containing a first element and a bottom surface composed of a second material containing a second element; and (b) growing a film on a surface of the second material of the concave portion by supplying a film-forming material to the substrate having the film formation suppression layer formed on the surface of the first material.
    Type: Application
    Filed: December 14, 2022
    Publication date: April 20, 2023
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Yoshitomo HASHIMOTO, Kimihiko NAKATANI, Takayuki WASEDA
  • Patent number: 11626280
    Abstract: There is provided a technique that includes: (a) forming a film formation suppression layer on a surface of a first material of a concave portion of the substrate, by supplying a precursor to the substrate provided with the concave portion on a surface of the substrate to adsorb at least a portion of a molecular structure of molecules constituting the precursor on the surface of the first material of the concave portion, the concave portion having a top surface and a side surface composed of the first material containing a first element and a bottom surface composed of a second material containing a second element; and (b) growing a film on a surface of the second material of the concave portion by supplying a film-forming material to the substrate having the film formation suppression layer formed on the surface of the first material.
    Type: Grant
    Filed: March 17, 2022
    Date of Patent: April 11, 2023
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Yoshitomo Hashimoto, Kimihiko Nakatani, Takayuki Waseda
  • Publication number: 20230097581
    Abstract: A method of processing a substrate includes: (a) preparing a substrate having a nitrogen-containing film and an oxygen-containing film on a surface of the substrate; and (b) modifying a surface of the nitrogen-containing film to be nitrided by supplying an active species containing nitrogen and an active species containing hydrogen, or selectively forming hydroxyl group termination on a surface of the oxygen-containing film by supplying at least one selected from the group of an active species containing hydrogen, an active species containing hydrogen and oxygen, and an active species containing hydrogen and nitrogen.
    Type: Application
    Filed: September 16, 2022
    Publication date: March 30, 2023
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Yasutoshi TSUBOTA, Kimihiko NAKATANI, Yuki YAMAKADO
  • Publication number: 20230079925
    Abstract: There is provided a technique that includes (a) forming a film on a substrate by exposing the substrate to a film-forming agent under a first temperature; (b) heat-treating the film under a second temperature higher than the first temperature; (c) altering the heat-treated film by exposing the heat-treated film to an altering agent; and (d) removing the altered film by exposing the altered film to a removing agent.
    Type: Application
    Filed: June 29, 2022
    Publication date: March 16, 2023
    Applicant: Kokusai Electric Corporation
    Inventors: Kimihiko NAKATANI, Takayuki WASEDA, Shoma MIYATA, Yoshitomo HASHIMOTO
  • Patent number: 11600487
    Abstract: There is provided a technique that includes: (a) forming a film formation suppression layer on a surface of a first material of a concave portion of the substrate, by supplying a precursor to the substrate provided with the concave portion on a surface of the substrate to adsorb at least a portion of a molecular structure of molecules constituting the precursor on the surface of the first material of the concave portion, the concave portion having a top surface and a side surface composed of the first material containing a first element and a bottom surface composed of a second material containing a second element; and (b) growing a film on a surface of the second material of the concave portion by supplying a film-forming material to the substrate having the film formation suppression layer formed on the surface of the first material.
    Type: Grant
    Filed: March 17, 2022
    Date of Patent: March 7, 2023
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Yoshitomo Hashimoto, Kimihiko Nakatani, Takayuki Waseda
  • Publication number: 20230067218
    Abstract: There is provided a technique that includes: forming an oxide film containing an atom X of a precursor on a substrate by performing a cycle a predetermined number of times. The cycle including non-simultaneously performing: (a) forming a first layer containing a component in which a first group is bonded to the atom X on the substrate by supplying the precursor having a molecular structure in which the first and second groups are bonded to the atom X, to the substrate, the first group containing an alkoxy group, and the second group containing at least one of an amino group, an alkyl group, a halogeno group, a hydroxy group, a hydro group, an aryl group, a vinyl group, and a nitro group; and (b) forming a second layer containing the atom X by supplying an oxidizing agent to the substrate to oxidize the first layer.
    Type: Application
    Filed: November 8, 2022
    Publication date: March 2, 2023
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Yoshitomo HASHIMOTO, Katsuyoshi HARADA, Kimihiko NAKATANI, Yoshiro HIROSE, Masaya NAGATO, Takashi OZAKI, Tomiyuki SHIMIZU
  • Publication number: 20230058808
    Abstract: There is provided a technique that includes (a) supplying a fluorine-containing gas to a substrate including a first surface and a second surface; (b) supplying an oxygen- and hydrogen-containing gas and a catalyst to the substrate after performing (a); (c) supplying a modifying agent to the substrate after performing (b); and (d) supplying a film-forming agent to the substrate after performing (c).
    Type: Application
    Filed: May 25, 2022
    Publication date: February 23, 2023
    Applicant: Kokusai Electric Corporation
    Inventors: Motomu DEGAI, Kimihiko NAKATANI, Yoshitomo HASHIMOTO, Takayuki WASEDA
  • Publication number: 20220415659
    Abstract: There is provided a technique that includes: (a) supplying a first gas containing a group XIV element to a substrate on which a film containing the group XIV element is formed such that reaction by-products generated by reaction with the group XIV element contained in the film formed on the substrate are saturated and adsorbed on the substrate; (b) supplying a second gas containing a halogen after (a); and (c) etching the film containing the group XIV element formed on the substrate by alternately repeating (a) and (b).
    Type: Application
    Filed: May 27, 2022
    Publication date: December 29, 2022
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Masato KAWANISHI, Takumi ITO, Kimihiko NAKATANI
  • Patent number: 11527402
    Abstract: There is provided a technique that includes: forming an oxide film containing a central atom X of a precursor on a substrate by performing a cycle a predetermined number of times, the cycle including non-simultaneously performing: (a) forming a first layer containing a component in which a first group is bonded to the central atom X on the substrate by supplying the precursor having a molecular structure in which the first group and a second group are bonded to the central atom X and having a bonding energy between the first group and the central atom X that is higher than a bonding energy between the second group and the central atom X, to the substrate; and (b) forming a second layer containing the central atom X by supplying an oxidizing agent to the substrate to oxidize the first layer, wherein in (a), the precursor is supplied under a condition in which the second group is desorbed and the first group is not desorbed from the central atom X contained in the precursor and the central atom X is adsorbed on
    Type: Grant
    Filed: August 28, 2020
    Date of Patent: December 13, 2022
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Yoshitomo Hashimoto, Katsuyoshi Harada, Kimihiko Nakatani, Yoshiro Hirose, Masaya Nagato, Takashi Ozaki, Tomiyuki Shimizu
  • Publication number: 20220336213
    Abstract: There is provided a technique that includes: (a) forming a film formation suppression layer on a surface of a first material of a concave portion of the substrate, by supplying a precursor to the substrate provided with the concave portion on a surface of the substrate to adsorb at least a portion of a molecular structure of molecules constituting the precursor on the surface of the first material of the concave portion, the concave portion having a top surface and a side surface composed of the first material containing a first element and a bottom surface composed of a second material containing a second element; and (b) growing a film on a surface of the second material of the concave portion by supplying a film-forming material to the substrate having the film formation suppression layer formed on the surface of the first material.
    Type: Application
    Filed: March 17, 2022
    Publication date: October 20, 2022
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Yoshitomo HASHIMOTO, Kimihiko NAKATANI, Takayuki WASEDA
  • Publication number: 20220277955
    Abstract: There is method of processing a substrate comprising: (a) providing the substrate with a first base containing no oxygen, a second base containing oxygen, and a third base containing no oxygen and no nitrogen on its surface, wherein a protective film is formed on a surface of the third base; (b) modifying a surface of the second base to be fluorine-terminated by supplying a fluorine-containing gas to the substrate in a state where the protective film is formed on the surface of the third base; and (c) forming a film on a surface of the first base by supplying a film-forming gas to the substrate in a state where the surface of the second base is modified.
    Type: Application
    Filed: May 19, 2022
    Publication date: September 1, 2022
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Takayuki WASEDA, Takashi NAKAGAWA, Kimihiko NAKATANI, Motomu DEGAI, Yoshitomo HASHIMOTO
  • Patent number: 11417518
    Abstract: There is included (a) forming a protective film on a surface of a third base by supplying a processing gas to a substrate in which a first base containing no oxygen, a second base containing oxygen, and the third base containing no oxygen and no nitrogen are exposed on a surface of the substrate; (b) modifying a surface of the second base to be fluorine-terminated by supplying a fluorine-containing gas to the substrate after the protective film is formed on the surface of the third base; and (c) selectively forming a film on a surface of the first base by supplying a film-forming gas to the substrate after the surface of the second base is modified.
    Type: Grant
    Filed: July 30, 2020
    Date of Patent: August 16, 2022
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Takayuki Waseda, Takashi Nakagawa, Kimihiko Nakatani, Motomu Degai, Yoshitomo Hashimoto
  • Publication number: 20220199421
    Abstract: There is provide a technique that includes: etching a base on a surface of a substrate by performing a cycle a predetermined number of times, the cycle including: (a) forming a layer on a surface of the base by supplying a modifying agent to the base; and (b) causing a reaction between a halogen-containing radical and the base by supplying a halogen-containing gas to the layer such that the layer reacts with the halogen-containing gas to generate the halogen-containing radical.
    Type: Application
    Filed: March 11, 2022
    Publication date: June 23, 2022
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Motomu DEGAI, Kimihiko NAKATANI, Takashi NAKAGAWA, Takayuki WASEDA, Yoshitomo HASHIMOTO
  • Patent number: 11335554
    Abstract: There is provided a technique that includes: (a) modifying a surface of one base among a first base and a second base to be F-terminated by supplying a fluorine-containing radical generated from a fluorine-containing gas to a substrate where the first base and the second base are exposed at a surface of the substrate; and (b) forming a film on a surface of the other base, which is different from the one base, among the first base and the second base by supplying a film-forming gas to the substrate after modifying the surface of the one base.
    Type: Grant
    Filed: March 12, 2020
    Date of Patent: May 17, 2022
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Takashi Nakagawa, Takayuki Waseda, Kimihiko Nakatani, Motomu Degai