Patents by Inventor Roberto DeFranceschi

Roberto DeFranceschi 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).

  • Detection system for cathodoluminescence analysis
    Patent number: 5010253
    Abstract: Detection system for cathodoluminescence analysis apparatus, wherein a screen is placed between the sample to be analyzed and the detector to intercept the electrons backscattered by the sample towards the detector. The screen is a plate of a glass which is transparent in a wide spectral interval, has a rather high conductivity, and does not present cathodoluminescence effects.
    Type: Grant
    Filed: December 4, 1989
    Date of Patent: April 23, 1991
    Assignee: SIP - Societa Italiana per l'Esercizio Delle Telecomunicazioni P.A.
    Inventors: Marco Braglia, Roberto DeFranceschi, Paolo Montangero