Patents by Inventor Angelika Kampfer

Angelika Kampfer 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).

  • Process for the production of an integrated laser-photodetector structure
    Patent number: 4692207
    Abstract: Process for producing an integrated laser-photodetector structure.A buffer layer and a double heterostructure are deposited on a substrate. Part of the double heterostructure is etched to form a cleaved face and to free the buffer layer. On the latter is formed a photodetector, e.g. with the aid of a Schottky contact.Application to the production of light sources for optical telecommunications.
    Type: Grant
    Filed: October 14, 1986
    Date of Patent: September 8, 1987
    Inventors: Noureddine Bouadma, Francois Brillouet, Angelika Kampfer