Patents by Inventor John Unguris

John Unguris 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).

  • Apparatus and method for electron spin polarization detection
    Patent number: 4760254
    Abstract: Provided herein are a device and a method for determining the spin polarization of an electron beam where the device and method contemplate diffusely backscattering the beam from an electron opaque target, at a kinetic energy less than 10,000 electron volts, collecting the scattered electrons which may be of a preselected energy range and within a predetermined solid angle relative to the target and the collector, and measuring the number of scattered electrons which were collected.
    Type: Grant
    Filed: June 7, 1985
    Date of Patent: July 26, 1988
    Inventors: Daniel T. Pierce, Robert J. Celotta, John Unguris