Patents by Inventor Jean-Claude Presotto

Jean-Claude Presotto 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: 5281303
    Abstract: A process for the production of an integrated optical circuit in a glass body by ion exchange between certain regions of the glass body and a metallic salt with the use of a mask defining the regions where the ion exchange occurs, wherein the mask comprises a layer of silicon and the mask is removed by an etching operation preceded by a cleansing operation.
    Type: Grant
    Filed: September 10, 1992
    Date of Patent: January 25, 1994
    Assignee: Corning Incorporated
    Inventors: Alain M. J. Beguin, Pascale LaBorde, Jean-Claude Presotto