Patents by Inventor Yuka NAKASATO

Yuka NAKASATO 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: 11526160
    Abstract: A failure detection system detects a failure of a sensor that detects a state of a semiconductor manufacturing apparatus. The failure detection system includes a generation unit configured to generate times-series data of information on a detection value of the sensor during a determination period, a calculation unit configured to calculate a regression line of the times-series data, and a failure determination unit configured to determine whether the sensor has failed based on a slope of the regression line.
    Type: Grant
    Filed: October 21, 2020
    Date of Patent: December 13, 2022
    Assignee: TOKYO ELECTRON LIMITED
    Inventors: Yuka Nakasato, Masashi Takahashi, Miki Ouchi, Tomohiro Saito
  • Patent number: 11492702
    Abstract: An apparatus for forming a thin film by repeating, plural times, a cycle including supplying and adsorbing a precursor gas onto a substrate and generating a reaction product by allowing the precursor gas on the substrate to react with a reaction gas, which includes: a main precursor gas supply part for supplying the precursor gas; a reaction gas supply part for supplying the reaction gas; an adjustment-purpose precursor gas supply part for supplying an adjustment-purpose precursor gas to adjust an in-plane film thickness distribution of the thin film; and a controller for outputting a control signal to execute a step of forming the thin film using the main precursor gas supply part and the reaction gas supply part, and subsequently a step of supplying the adjustment-purpose precursor gas from the adjustment-purpose precursor gas supply part to compensate for a film thickness of a portion having a relatively thin film thickness.
    Type: Grant
    Filed: October 26, 2018
    Date of Patent: November 8, 2022
    Assignee: TOKYO ELECTRON LIMITED
    Inventors: Manabu Honma, Yuka Nakasato
  • Publication number: 20220018790
    Abstract: An abnormality detecting method includes: generating substrate information that represents a relationship between an in-plane position of a substrate processed in a semiconductor manufacturing apparatus and a film characteristic; and determining whether the film characteristic of the processed substrate is abnormal, based on the substrate information generated in the generating, and association information in which substrate information and abnormality factors are associated with each other.
    Type: Application
    Filed: July 12, 2021
    Publication date: January 20, 2022
    Inventor: Yuka NAKASATO
  • Publication number: 20210407835
    Abstract: An abnormality detecting apparatus detects an abnormality of a semiconductor manufacturing apparatus, and includes: a data generator configured to generate correlation data based on a value of a first monitoring target and a value of a second monitoring target that are correlated with each other; a calculator configured to calculate a slop of a regression line of the correlation data based on the correlation data; and an abnormality determination device configured to determine an abnormality of the semiconductor manufacturing apparatus based on the slope of the regression line.
    Type: Application
    Filed: June 22, 2021
    Publication date: December 30, 2021
    Inventor: Yuka NAKASATO
  • Publication number: 20210124341
    Abstract: A failure detection system detects a failure of a sensor that detects a state of a semiconductor manufacturing apparatus. The failure detection system includes a generation unit configured to generate times-series data of information on a detection value of the sensor during a determination period, a calculation unit configured to calculate a regression line of the times-series data, and a failure determination unit configured to determine whether the sensor has failed based on a slope of the regression line.
    Type: Application
    Filed: October 21, 2020
    Publication date: April 29, 2021
    Inventors: Yuka NAKASATO, Masashi TAKAHASHI, Miki OUCHI, Tomohiro SAITO
  • Patent number: 10731255
    Abstract: A film forming method comprises loading a substrate on a rotary table, forming an adsorption region for adsorbing a raw material gas to the substrate by discharging the raw material gas from multiple discharge ports, forming a reaction region, to which a reaction gas is supplied, at a position spaced from the adsorption region, separating an atmosphere of the adsorption region and an atmosphere of the reaction region by exhausting and by supplying a purge gas, forming a film by performing a cycle a plurality of times to deposit the reaction product on the substrate, the cycle comprising passing the substrate through the adsorption region and the reaction region and setting a combination of flow rates of the raw material gas for a first pattern in order to perform the cycle with the first pattern and for a second pattern in order to perform the cycle with the second pattern.
    Type: Grant
    Filed: June 15, 2018
    Date of Patent: August 4, 2020
    Assignee: TOKYO ELECTRON LIMITED
    Inventors: Manabu Honma, Yuka Nakasato, Kohei Doi
  • Publication number: 20190136377
    Abstract: An apparatus for forming a thin film by repeating, plural times, a cycle including supplying and adsorbing a precursor gas onto a substrate and generating a reaction product by allowing the precursor gas on the substrate to react with a reaction gas, which includes: a main precursor gas supply part for supplying the precursor gas; a reaction gas supply part for supplying the reaction gas; an adjustment-purpose precursor gas supply part for supplying an adjustment-purpose precursor gas to adjust an in-plane film thickness distribution of the thin film; and a controller for outputting a control signal to execute a step of forming the thin film using the main precursor gas supply part and the reaction gas supply part, and subsequently a step of supplying the adjustment-purpose precursor gas from the adjustment-purpose precursor gas supply part to compensate for a film thickness of a portion having a relatively thin film thickness.
    Type: Application
    Filed: October 26, 2018
    Publication date: May 9, 2019
    Inventors: Manabu HONMA, Yuka NAKASATO
  • Publication number: 20190136994
    Abstract: A relief valve includes a first valve body having an annular shape including a peripheral edge portion, which is pressed against a hole edge portion of the communication hole, and an opening in a central portion of the annular shape; a second valve body pressed against a hole edge portion of the opening of the first valve body so as to close the opening; a first spring including a compression spring or a tension spring for pressing the first valve body against the hole edge portion of the communication hole; and a second spring including a compression spring or a tension spring for pressing the second valve body against the hole edge portion of the opening, wherein the first region and the second region communicate with each other.
    Type: Application
    Filed: November 6, 2018
    Publication date: May 9, 2019
    Inventors: Yuka NAKASATO, Manabu HONMA
  • Publication number: 20180363134
    Abstract: A film forming method comprises loading a substrate on a rotary table, forming an adsorption region for adsorbing a raw material gas to the substrate by discharging the raw material gas from multiple discharge ports, forming a reaction region, to which a reaction gas is supplied, at a position spaced from the adsorption region, separating an atmosphere of the adsorption region and an atmosphere of the reaction region by exhausting and by supplying a purge gas, forming a film by performing a cycle a plurality of times to deposit the reaction product on the substrate, the cycle comprising passing the substrate through the adsorption region and the reaction region and setting a combination of flow rates of the raw material gas for a first pattern in order to perform the cycle with the first pattern and for a second pattern in order to perform the cycle with the second pattern.
    Type: Application
    Filed: June 15, 2018
    Publication date: December 20, 2018
    Inventors: Manabu HONMA, Yuka NAKASATO, Kohei DOI