Patents by Inventor Jean Jarrige

Jean Jarrige 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 fabricating an aluminum nitride (A1N) substrate
    Publication number: 20040126502
    Abstract: A method of fabricating an aluminum nitride (AlN) substrate, wherein the substrate is obtained by spraying a powder onto a support at a high temperature and at a high speed, the powder including AlN grains covered with a layer of an oxide precursor chosen from oxide precursors yielding an oxide forming a liquid phase around the AlN grains during spraying.
    Type: Application
    Filed: September 15, 2003
    Publication date: July 1, 2004
    Applicant: ALSTOM
    Inventors: Marc Ferrato, Alain Petitbon, Jean Jarrige
  • Method of bonding a sheet of metal, such as copper, on an aluminum nitride substrate
    Patent number: 5150830
    Abstract: A method of bonding a sheet of metal such as copper on a substrate of aluminum nitride, the method comprising the following steps known per se: i) growing a layer of alumina on the aluminum nitride substrate by means of heat treatment; and ii) placing the sheet of metal on the alumina layer and then bonding them together; the method being wherein alumina-growing step i) is performed under a controlled oxidizing atmosphere which is free from moisture.
    Type: Grant
    Filed: February 20, 1991
    Date of Patent: September 29, 1992
    Assignee: Telemecanique
    Inventors: Jannick Guinet, Jean-Claude Hubert, Jean Jarrige, Jacques Mexmain, Jean-Pascal Michelet