Patents by Inventor David Edward Potkins

David Edward Potkins 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: 11205560
    Abstract: An ion implanter includes a beam scanner that performs a scanning with an ion beam in a scanning direction perpendicular to a traveling direction of the ion beam, and a beam profiler that is disposed downstream of the beam scanner and measures a beam current distribution of the ion beam when the scanning by the beam scanner is performed. The beam profiler includes an aperture array that includes a first aperture and a second aperture, a cup electrode array that is disposed to be fixed with respect to the aperture array, the cup electrode array including a first cup electrode and a second cup electrode, and a plurality of magnets.
    Type: Grant
    Filed: October 30, 2020
    Date of Patent: December 21, 2021
    Assignee: SUMITOMO HEAVY INDUSTRIES ION TECHNOLOGY CO., LTD.
    Inventors: David Edward Potkins, Phillip Thomas Jackle
  • Publication number: 20210134559
    Abstract: An ion implanter includes a beam scanner that performs a scanning with an ion beam in a scanning direction perpendicular to a traveling direction of the ion beam, and a beam profiler that is disposed downstream of the beam scanner and measures a beam current distribution of the ion beam when the scanning by the beam scanner is performed. The beam profiler includes an aperture array that includes a first aperture and a second aperture, a cup electrode array that is disposed to be fixed with respect to the aperture array, the cup electrode array including a first cup electrode and a second cup electrode, and a plurality of magnets.
    Type: Application
    Filed: October 30, 2020
    Publication date: May 6, 2021
    Inventors: David Edward Potkins, Phillip Thomas Jackle