Patents by Inventor Ferdinando Ricci

Ferdinando Ricci 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).

  • Electron-emitting cold cathode device
    Patent number: 9111711
    Abstract: One or more embodiments of the invention concern a device comprising: a cathode that lies on a cathode plane and includes, in an active region, one or more cathode straight-finger-shaped terminals with a main extension direction parallel to a first reference direction; for each cathode terminal, one or more electron emitters formed on, and in ohmic contact with, said cathode terminal; and a gate electrode that lies on a gate plane parallel to, and spaced apart from, said cathode plane, does not overlap the cathode and includes, in the active region, two or more gate straight-finger-shaped terminals with a main extension direction parallel to the first reference direction; wherein the gate terminals are interlaced with said cathode terminal(s).
    Type: Grant
    Filed: November 26, 2012
    Date of Patent: August 18, 2015
    Assignee: SELEX ES S.P.A.
    Inventors: Giacomo Ulisse, Francesca Brunetti, Aldo di Carlo, Ferdinando Ricci, Filippo Gemma, Anna Maria Fiorello, Massimiliano Dispenza, Roberta Buttiglione
  • ELECTRON-EMITTING COLD CATHODE DEVICE
    Publication number: 20150022076
    Abstract: One or more embodiments of the invention concern a device comprising: a cathode that lies on a cathode plane and includes, in an active region one or more cathode straight-finger-shaped terminals with a main extension direction parallel to a first reference direction; for each cathode terminal, one or more electron emitters formed on, and in ohmic contact with, said cathode terminal; and a gate electrode that lies on a gate plane parallel to, and spaced apart from, said cathode plane, does not overlap the cathode and includes, in the active region, two or more gate straight-finger-shaped terminals with a main extension direction parallel to the first reference direction; wherein the gate terminals are interlaced with said cathode terminal(s).
    Type: Application
    Filed: November 26, 2012
    Publication date: January 22, 2015
    Inventors: Giacomo Ulisse, Francesca Brunetti, Aldo Di Carlo, Ferdinando Ricci, Filippo Gemma, Anna Maria Fiorello, Massimiliano Dispenza, Roberta Buttiglione