Patents by Inventor Rudolf Maria Tromp

Rudolf Maria Tromp 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).

  • Patent number: 5997638
    Abstract: The present invention is a layered structures of substantially-crystalline semiconductor materials and processes for making such structures. More particularly, the invention epitaxial grows a substantially-crystalline layer of a second elemental semiconductor material on a substantially-crystalline first semiconductor material different from the second material in which there is a significant mismatch in at least one dimension between the crystal-lattice structures of the two materials.
    Type: Grant
    Filed: May 9, 1995
    Date of Patent: December 7, 1999
    Assignee: International Business Machines Corporation
    Inventors: Matthew Warren Copel, Michael Horn von Hoegen, Francoise Isabelle Kolmer Le Goues, Rudolf Maria Tromp