Patents by Inventor Jean-Paul Leggeri

Jean-Paul Leggeri 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).

  • Ion source, nanofabrication apparatus comprising such source, and a method for emitting ions
    Patent number: 8927942
    Abstract: A ion source comprises: a chamber, an injection to inject matter into the chamber, wherein said matter comprises at least a first species, a tip with an apex located in the chamber, wherein the apex has a surface made of a metallic second species, a generator to generate ions of said species, and a regulation system adapted to set operative conditions of the chamber to alternatively generate ions from the gaseous first species, and ions from the non-gaseous metallic second species.
    Type: Grant
    Filed: June 5, 2012
    Date of Patent: January 6, 2015
    Assignees: Centre National de la Recherche Scientifique—CNRS, Universite Claude Bernard Lyon
    Inventors: Jacques Gierak, Nicolas Allemandou, Klaus Hasselbach, Jean-Paul Leggeri, Guillaume Donnier-Valentin, Stephen Purcell, Pauline Gavand
  • Ion Source, Nanofabrication Apparatus Comprising Such Source, and a Method for Emitting Ions
    Publication number: 20140175301
    Abstract: A ion source comprises: a chamber (45), an injection to inject matter into the chamber, wherein said matter comprises at least a first species, a tip with an apex located in the chamber, wherein the apex has a surface made of a metallic second species, a generator to generate ions of said species, and a regulation system adapted to set operative conditions of the chamber to alternatively generate ions from the gaseous first species, and ions from the non-gaseous metallic second species.
    Type: Application
    Filed: June 5, 2012
    Publication date: June 26, 2014
    Applicants: UNIVERSITE LYON 1 CLAUDE BERNARD, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE -CNRS
    Inventors: Jacques Gierak, Nicolas Allemandou, Klaus Hasselbach, Jean-Paul Leggeri, Guillaume Donnier-Valentin, Stephen Purcell, Pauline Gavand