Patents by Inventor Michele Portico Ambrosio

Michele Portico Ambrosio 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: 8143086
    Abstract: Described herein is an optically controlled electrical-switch device which includes a first current-conduction terminal and a second current-conduction terminal, and a carbon nanotube connected between the first and the second current-conduction terminals, the carbon nanotube being designed to be impinged upon by electromagnetic radiation and having an electrical conductivity that can be varied by varying the polarization of the electromagnetic radiation incident thereon. In particular, the carbon nanotube may for example, in given conditions of electrical biasing, present a high electrical conductivity when it is impinged upon by electromagnetic radiation having a given wavelength and a polarization substantially parallel to the axis of the carbon nanotube itself, and a reduced electrical conductivity when it is impinged upon by electromagnetic radiation having a given wavelength and a polarization substantially orthogonal to the axis of the carbon nanotube itself.
    Type: Grant
    Filed: April 8, 2011
    Date of Patent: March 27, 2012
    Assignee: STMicroelectronics S.r.l.
    Inventors: Michele Portico Ambrosio, Maria Grazia Maglione, Maria Fortuna Bevilacqua, Luigi Occhipinti, Salvatore Coffa, Salvatore Castorina
  • Publication number: 20110212566
    Abstract: Described herein is an optically controlled electrical-switch device which includes a first current-conduction terminal and a second current-conduction terminal, and a carbon nanotube connected between the first and the second current-conduction terminals, the carbon nanotube being designed to be impinged upon by electromagnetic radiation and having an electrical conductivity that can be varied by varying the polarization of the electromagnetic radiation incident thereon. In particular, the carbon nanotube may for example, in given conditions of electrical biasing, present a high electrical conductivity when it is impinged upon by electromagnetic radiation having a given wavelength and a polarization substantially parallel to the axis of the carbon nanotube itself, and a reduced electrical conductivity when it is impinged upon by electromagnetic radiation having a given wavelength and a polarization substantially orthogonal to the axis of the carbon nanotube itself.
    Type: Application
    Filed: April 8, 2011
    Publication date: September 1, 2011
    Applicant: STMICROELECTRONICS S.R.L.
    Inventors: MICHELE PORTICO AMBROSIO, MARIA GRAZIA MAGLIONE, MARIA FORTUNA BEVILACQUA, LUIGI OCCHIPINTI, SALVATORE COFFA, SALVATORE CASTORINA
  • Patent number: 7944011
    Abstract: Described herein is an optically controlled electrical-switch device which includes a first current-conduction terminal and a second current-conduction terminal, and a carbon nanotube connected between the first and the second current-conduction terminals, the carbon nanotube being designed to be impinged upon by electromagnetic radiation and having an electrical conductivity that can be varied by varying the polarization of the electromagnetic radiation incident thereon. In particular, the carbon nanotube may for example, in given conditions of electrical biasing, present a high electrical conductivity when it is impinged upon by electromagnetic radiation having a given wavelength and a polarization substantially parallel to the axis of the carbon nanotube itself, and a reduced electrical conductivity when it is impinged upon by electromagnetic radiation having a given wavelength and a polarization substantially orthogonal to the axis of the carbon nanotube itself.
    Type: Grant
    Filed: August 31, 2009
    Date of Patent: May 17, 2011
    Assignee: STMicroelectronics, S.r.l.
    Inventors: Michele Portico Ambrosio, Maria Grazia Maglione, Maria Fortuna Bevilacqua, Luigi Occhipinti, Salvatore Coffa, Salvatore Castorina
  • Publication number: 20090321619
    Abstract: Described herein is an optically controlled electrical-switch device which includes a first current-conduction terminal and a second current-conduction terminal, and a carbon nanotube connected between the first and the second current-conduction terminals, the carbon nanotube being designed to be impinged upon by electromagnetic radiation and having an electrical conductivity that can be varied by varying the polarization of the electromagnetic radiation incident thereon. In particular, the carbon nanotube may for example, in given conditions of electrical biasing, present a high electrical conductivity when it is impinged upon by electromagnetic radiation having a given wavelength and a polarization substantially parallel to the axis of the carbon nanotube itself, and a reduced electrical conductivity when it is impinged upon by electromagnetic radiation having a given wavelength and a polarization substantially orthogonal to the axis of the carbon nanotube itself.
    Type: Application
    Filed: August 31, 2009
    Publication date: December 31, 2009
    Applicant: STMicroelectronics S.r.l.
    Inventors: MICHELE PORTICO AMBROSIO, MARIA GRAZIA MAGLIONE, MARIA FORTUNA BEVILACQUA, LUIGI OCCHIPINTI, SALVATORE COFFA, SALVATORE CASTORINA
  • Patent number: 7582892
    Abstract: Described herein is an optically controlled electrical-switch device which includes a first current-conduction terminal and a second current-conduction terminal, and a carbon nanotube connected between the first and the second current-conduction terminals, the carbon nanotube being designed to be impinged upon by electromagnetic radiation and having an electrical conductivity that can be varied by varying the polarization of the electromagnetic radiation incident thereon. In particular, the carbon nanotube may for example, in given conditions of electrical biasing, present a high electrical conductivity when it is impinged upon by electromagnetic radiation having a given wavelength and a polarization substantially parallel to the axis of the carbon nanotube itself, and a reduced electrical conductivity when it is impinged upon by electromagnetic radiation having a given wavelength and a polarization substantially orthogonal to the axis of the carbon nanotube itself.
    Type: Grant
    Filed: June 7, 2004
    Date of Patent: September 1, 2009
    Assignee: STMicroelectronics S.R.L.
    Inventors: Michele Portico Ambrosio, Maria Grazia Maglione, Maria Fortuna Bevilacqua, Luigi Occhipinti, Salvatore Coffa, Salvatore Castorina
  • Patent number: 7408835
    Abstract: Described herein is an optically readable memory device comprising a molecular memory obtained using carbon nanotubes. In particular, the molecular memory uses, as memory element, a bundle of carbon nanotubes, for which it is possible to obtain at least two stable states by modifying their geometrical configuration and, consequently, their optical transmission properties.
    Type: Grant
    Filed: February 25, 2003
    Date of Patent: August 5, 2008
    Assignee: STMicroelectronics S.r.l.
    Inventors: Luigi Occhipinti, Michele Portico Ambrosio
  • Publication number: 20060158760
    Abstract: Described herein is an optically controlled electrical-switch device which includes a first current-conduction terminal and a second current-conduction terminal, and a carbon nanotube connected between the first and the second current-conduction terminals, the carbon nanotube being designed to be impinged upon by electromagnetic radiation and having an electrical conductivity that can be varied by varying the polarization of the electromagnetic radiation incident thereon. In particular, the carbon nanotube may for example, in given conditions of electrical biasing, present a high electrical conductivity when it is impinged upon by electromagnetic radiation having a given wavelength and a polarization substantially parallel to the axis of the carbon nanotube itself, and a reduced electrical conductivity when it is impinged upon by electromagnetic radiation having a given wavelength and a polarization substantially orthogonal to the axis of the carbon nanotube itself.
    Type: Application
    Filed: June 7, 2004
    Publication date: July 20, 2006
    Inventors: Michele Portico Ambrosio, Maria Maglione, Maria Bevilacqua, Luigi Occhipinti, Salvatore Coffa, Salvatore Castorina
  • Publication number: 20040027889
    Abstract: Described herein is an optically readable memory device comprising a molecular memory obtained using carbon nanotubes. In particular, the molecular memory uses, as memory element, a bundle of carbon nanotubes, for which it is possible to obtain at least two stable states by modifying their geometrical configuration and, consequently, their optical transmission properties.
    Type: Application
    Filed: February 25, 2003
    Publication date: February 12, 2004
    Applicant: STMicroelectronics S.r.l.
    Inventors: Luigi Occhipinti, Michele Portico Ambrosio