Patents by Inventor Herbert J. Zeiger

Herbert J. Zeiger 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 improving the crystallinity of semiconductor films by laser beam scanning and the products thereof
    Patent number: 4059461
    Abstract: A method is disclosed for improving the crystallinity of semiconductor films by scanning the surface of such films with a shaped, focused laser beam. The laser is matched to the film so that the beam delivers sufficient energy thereto to heat the film above a temperature at which crystallization occurs along the scan track.
    Type: Grant
    Filed: December 10, 1975
    Date of Patent: November 22, 1977
    Assignee: Massachusetts Institute of Technology
    Inventors: John C. C. Fan, Herbert J. Zeiger