Patents by Inventor Jean-Pierre Trotin

Jean-Pierre Trotin 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).

  • Electron gun equipment for vacuum deposition
    Patent number: 4516525
    Abstract: This invention relates more particularly to an electron-gun metal evaporation system for solder (lead/tin, lead/indium) deposition upon integrated circuit chips. This system utilizes a crucible comprised of a tantalum bent-cone V-shaped liner or cup seated in spaced relationship in a recess of a copper hearth.
    Type: Grant
    Filed: October 21, 1983
    Date of Patent: May 14, 1985
    Assignee: International Business Machines Corporation
    Inventors: Serge Bourgeois, Jean-Franqois Carle, Henri Lochon, Jean-Pierre Trotin