Patents by Inventor Jean-Louis Domange

Jean-Louis Domange 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).

  • Method of manufacturing a non-thermally emitting electrode for an electric discharge tube
    Patent number: 3960421
    Abstract: Monoatomic layers to reduce the work function of photocathodes, secondary emission electrodes and field emission electrodes are obtained by surface segregation as a result of a thermal treatment after preceding indiffusion of the activator. Examples are in particular p-semiconductors such as silicon and III-V compounds with alkali metals.
    Type: Grant
    Filed: January 3, 1975
    Date of Patent: June 1, 1976
    Assignee: U.S. Philips Corporation
    Inventors: Michel Lagues, Jean-Louis Domange