Patents by Inventor Qiuli LI

Qiuli LI 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: 11387088
    Abstract: Disclosed are a target holder assembly of an ion probe and a method for preparing a sample target thereof. Specifically, the target holder assembly includes a body and sheets, a middle part of the body is provided with a sample target hole, and limiting portions are symmetrically arranged at an opening of the sample target hole away from a sample target entry side; and the sheets match the limiting portions in shape and dimension to form recesses on a sample target for receiving the limiting portions.
    Type: Grant
    Filed: May 21, 2021
    Date of Patent: July 12, 2022
    Assignee: INSTITUTE OF GEOLOGY AND GEOPHYSICS CHINESE ACADEMY OF SCIENCES (IGGCAS)
    Inventors: Jiao Li, Qiuli Li
  • Publication number: 20210280405
    Abstract: Disclosed are a target holder assembly of an ion probe and a method for preparing a sample target thereof. Specifically, the target holder assembly includes a body and sheets, a middle part of the body is provided with a sample target hole, and limiting portions are symmetrically arranged at an opening of the sample target hole away from a sample target entry side; and the sheets match the limiting portions in shape and dimension to form recesses on a sample target for receiving the limiting portions.
    Type: Application
    Filed: May 21, 2021
    Publication date: September 9, 2021
    Applicant: INSTITUTE OF GEOLOGY AND GEOPHYSICS CHINESE ACADEMY OF SCIENCES (IGGCAS)
    Inventors: Jiao LI, Qiuli LI
  • Patent number: 11101126
    Abstract: A method and system for measuring an inert gas by an ion probe. Embedding a to-be-measured sample into an epoxy resin, to obtain a sample target, where the to-be-measured sample includes an inert gas atom; after putting the obtained sample target into an analysis chamber of the ion probe, vacuumizing the analysis chamber, where the ion probe includes a primary ion source, an electron gun, a mass analyzer, and an ion detector; bombarding the sample target by using a primary ion beam formed by the primary ion source to release the inert gas atom in the sample target; ionizing the released inert gas atom by using an electron beam formed by the electron gun to form an inert gas ion; and analyzing a secondary ion containing the inert gas ion by using the mass analyzer and the ion detector to achieve measurement of the inert gas.
    Type: Grant
    Filed: December 4, 2018
    Date of Patent: August 24, 2021
    Assignee: Institute of Geology and Geophysics, Chinese Academy of Sciences
    Inventors: Yu Liu, Guoqiang Tang, Qiuli Li
  • Publication number: 20210057204
    Abstract: A method and system for measuring an inert gas by an ion probe. Embedding a to-be-measured sample into an epoxy resin, to obtain a sample target, where the to-be-measured sample includes an inert gas atom; after putting the obtained sample target into an analysis chamber of the ion probe, vacuumizing the analysis chamber, where the ion probe includes a primary ion source, an electron gun, a mass analyzer, and an ion detector; bombarding the sample target by using a primary ion beam formed by the primary ion source to release the inert gas atom in the sample target; ionizing the released inert gas atom by using an electron beam formed by the electron gun to form an inert gas ion; and analyzing a secondary ion containing the inert gas ion by using the mass analyzer and the ion detector to achieve measurement of the inert gas.
    Type: Application
    Filed: December 4, 2018
    Publication date: February 25, 2021
    Applicant: INSTITUTE OF GEOLOGY AND GEOPHYSICS, CHINESE ACADEMY OF SCIENCES
    Inventors: Yu LIU, Guoqiang TANG, Qiuli LI