Patents by Inventor Gerard Cohen-Solal

Gerard Cohen-Solal 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).

  • Volatilization and deposition of a semi-conductor substance and a metallic doping impurity
    Patent number: 4013533
    Abstract: A method and apparatus for producing a thin semi-conductor coating on a substrate in a vacuum enclosure, by depositing on the substrate a semi-conductor substance volatilized by a plasma from a source in the enclosure and also depositing on the substrate a metallic doping impurity volatilized by the plasma from another source in the enclosure.
    Type: Grant
    Filed: March 25, 1975
    Date of Patent: March 22, 1977
    Assignee: Agence Nationale de Valorisation de la Recherche (ANVAR)
    Inventors: Gerard Cohen-Solal, Alain Zozime, Claude Sella