Patents by Inventor Philippe Warenbourg

Philippe Warenbourg 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).

  • Charge transfer device and process of manufacturing the same
    Patent number: 4774199
    Abstract: Process of manufacturing a charge transfer device wherein lower electrodes have enlarged portions and narrowed portions which mesh with the mating portions of any adjacent lower electrode, upper electrodes cover the intervals defined between adjacent lower electrodes and at least part of said enlargened portions thereof, these intervals which are not covered by the upper electrodes are subjected to an impurity diffusion.
    Type: Grant
    Filed: October 15, 1986
    Date of Patent: September 27, 1988
    Assignee: Thomson-CSF
    Inventors: Pierre Blanchard, Michel Carquet, Philippe Warenbourg