Patents by Inventor Andreas Magerl

Andreas Magerl 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 for manufacturing a crystal with a lattice parameter gradient
    Patent number: 5281299
    Abstract: A method for manufacturing a crystal comprising at least two elements wherein the proportion of at least one of the elements varies in the direction of the thickness. A CVD process is used. The proportion of the gas components from which is formed the deposition is varied with time. The invention applies to the manufacturing of Si.sub.x Ge.sub.1-x crystals.
    Type: Grant
    Filed: July 2, 1992
    Date of Patent: January 25, 1994
    Assignees: Institut Max Von Laue, Institut National Polytechnique de Grenoble
    Inventors: Alain Escoffier, Roland Madar, Andreas Magerl, Eric Mastromatteo