Patents by Inventor Christian Marillat

Christian Marillat 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).

  • Radiological image intensifier tube with dyed porous alumina layer
    Patent number: 5315103
    Abstract: The disclosure relates to radiological image intensifier tubes, and more particularly to means to improve the image resolution of these tubes and/or correct their brightness curve at output. The image intensifier tube comprises an input screen comprising a scintillator borne by an aluminium substrate. A porous layer of alumina is interposed between the scintillator and the substrate. The alumina layer is dyed so as to absorb the light emitted by the scintillator towards the substrate.
    Type: Grant
    Filed: October 23, 1992
    Date of Patent: May 24, 1994
    Assignee: Thomson Tubes Electroniques
    Inventors: Yvan Raverdy, Christian Marillat, Daniel Gally