Patents by Inventor Michael Lacombat

Michael Lacombat 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).

  • Pattern transfer optical system
    Patent number: 4132479
    Abstract: The invention relates to optical systems intended for the transfer of patterns onto a photosensitive surface. The system according to the invention comprises a source of coherent radiation which is intended to illuminate the photosensitive surface for a predetermined duration and which is associated with transmission means introducing a wavefront modulation of the radiation intended to average during the exposure time, the interference fringes produced by the coherence of the radiation.
    Type: Grant
    Filed: December 7, 1977
    Date of Patent: January 2, 1979
    Assignee: Thomson-CSF
    Inventors: Georges Dubroeucq, Michael Lacombat