Patents by Inventor Olena FEDCHENKO

Olena FEDCHENKO 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).

  • Publication number: 20230170176
    Abstract: A system for performing surface analysis on a material, includes a pulsed electron source that forms a monochromatic beam of incident electrons; means for conveying the incident electrons to the surface of a sample of material, so as to form backscattered electrons, and the backscattered electrons to detecting means, the conveying means comprising at least one electron optical system; means for detecting the backscattered electrons; the pulsed electron source comprising: a source of atoms; a continuous-wave laser beam configured to form a laser excitation zone able to excite the atoms to Rydberg states; a pulsed electric field on either side of the laser excitation zone, the pulsed electric field being configured to ionize at least the excited atoms and to form a monochromatic beam of electrons.
    Type: Application
    Filed: April 28, 2021
    Publication date: June 1, 2023
    Inventors: Daniel COMPARAT, Nicholas BARRETT, Lionel AMIAUD, Yan PICARD, Anne LAFOSSE, Raphaƫl HAHN, Olena FEDCHENKO, Gerd SCHOENHENSE