Patents by Inventor Gwyndaf Evans

Gwyndaf Evans 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).

  • Beam position monitor
    Patent number: 6596994
    Abstract: An apparatus for determining the position of an x-ray beam relative to a desired beam axis. Where the apparatus is positioned along the beam path so that a thin metal foil target intersects the x-ray beam generating fluorescent radiation. A PIN diode array is positioned so that a portion of the fluorescent radiation is intercepted by the array resulting in an a series of electrical signals from the PIN diodes making up the array. The signals are then analyzed and the position of the x-ray beam is determined relative to the desired beam path.
    Type: Grant
    Filed: September 21, 2000
    Date of Patent: July 22, 2003
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventors: Randy W. Alkire, Gerold Rosenbaum, Gwyndaf Evans