Patents by Inventor John David Gerling

John David Gerling 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: 10211021
    Abstract: A permanent-magnet particle beam apparatus and method incorporating a non-magnetic portion for tunability are provided. The permanent-magnet particle beam apparatus includes a particle beam emitter that emits a charged particle beam, and includes a set of permanent magnets forming a magnetic field for controlling condensing of the charged particle beam. The permanent-magnet particle beam apparatus further includes a non-magnetic electrical conductor component situated with the set of permanent magnets to control a kinetic energy of the charged particle beam moving through the magnetic field.
    Type: Grant
    Filed: February 9, 2017
    Date of Patent: February 19, 2019
    Assignee: KLA-Tencor Corporation
    Inventors: Tomas Plettner, John David Gerling, Mohammed Tahmassebpur
  • Publication number: 20170294286
    Abstract: A permanent-magnet particle beam apparatus and method incorporating a non-magnetic portion for tunability are provided. The permanent-magnet particle beam apparatus includes a particle beam emitter that emits a charged particle beam, and includes a set of permanent magnets forming a magnetic field for controlling condensing of the charged particle beam. The permanent-magnet particle beam apparatus further includes a non-magnetic electrical conductor component situated with the set of permanent magnets to control a kinetic energy of the charged particle beam moving through the magnetic field.
    Type: Application
    Filed: February 9, 2017
    Publication date: October 12, 2017
    Inventors: Tomas Plettner, John David Gerling, Mohammed Tahmassebpur