Patents by Inventor Georges Charitat

Georges Charitat 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).

  • High voltage semiconductor device
    Patent number: 5060047
    Abstract: This invention relates to a high voltage semiconductor device comprising: a substrate (44); an epitaxial region (46) on said substrate including a doped electrode region (48) and a doped isolation region (50), said doped electrode region and said doped isolation region being separated by a first distance (54); an isolation layer (56) on part of said epitaxial region between said doped isolation region and said doped electrode region, said isolation layer covering a portion of the end of said doped electrode region; a first polycrystalline semiconductor layer (60) on said isolation layer; and a metallization layer (68,74), said high voltage semiconductor device being characterized by: a second polycrystalline semiconductor layer (40) on said first polycrystalline semiconductor layer.
    Type: Grant
    Filed: December 24, 1990
    Date of Patent: October 22, 1991
    Assignee: Motorola, Inc.
    Inventors: Denis Jaume, Andre P. Lavigne, Georges Charitat