Patents by Inventor Marie-Fran.cedilla.oise Armand

Marie-Fran.cedilla.oise Armand 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).

  • Magneto-optical recording medium and production process
    Patent number: 5981093
    Abstract: A magneto-optical recording medium having a stack of magnetic layers which include at least one rare earth element and at least one transition metal element. At least one of the magnetic layers contain fluorine with an atomic concentration less than 1%. A process for producing a magneto-optical recording medium including magnetic layers. The process includes a step of controlling the Curie temperatures of the magnetic layers by controlling a fluorine atomic concentration of the magnetic layers.
    Type: Grant
    Filed: March 10, 1997
    Date of Patent: November 9, 1999
    Assignee: Commissariat a l'Energie Atomique
    Inventors: Bernard Bechevet, Jacques Daval, Bruno Valon, Marie-Fran.cedilla.oise Armand