Patents by Inventor Martin Vala

Martin Vala 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: 5597621
    Abstract: A method for the manufacture of a photoluminescing layer on a normally non-photoluminescing semiconductor substrate, such as a porous silicon layer created on a silicon substrate, by treating the surface of the substrate with a relatively high energy, pulsed laser beam.
    Type: Grant
    Filed: December 1, 1995
    Date of Patent: January 28, 1997
    Assignee: University of Florida
    Inventors: Rolf E. Hummel, Matthias H. Ludwig, Martin Vala