Patents by Inventor Bradley M. Sherrill

Bradley M. Sherrill 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).

  • Method and apparatus for uniform charged particle irradiation of a surface
    Patent number: 4736106
    Abstract: A method and apparatus which uses combined quadrupole (Qx and Qy) and multipole magnet sets (Mx and My) to focus a charged particle beam from a point source is described. Primarily the multipole magnet sets are octupole magnets. The apparatus is particularly useful for providing a uniform intensity for ion implantation, in cancer therapy and in other fields where uniform charged particle irradiation of a surface is important.
    Type: Grant
    Filed: October 8, 1986
    Date of Patent: April 5, 1988
    Assignee: Michigan State University
    Inventors: Edwin Kashy, Bradley M. Sherrill