Patents by Inventor Frederic-Xavier GAI LIARD

Frederic-Xavier GAI LIARD 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).

  • METHOD FOR PRODUCING PATTERNS IN A SUBSTRATE
    Publication number: 20200090941
    Abstract: A method for producing at least one pattern in a substrate is provided, including providing a substrate having a front face surmounted by at least one masking layer carrying at least one mask pattern, carrying out an ion implantation of the substrate so as to form at least one first zone having a resistivity ?1 less than a resistivity ?2 of at least one second non-modified zone, after the ion implantation step, immersing the substrate in an electrolyte, and removing the at least one first zone selectively at the at least one second zone, the removing including at least an application of an electrochemistry step to the substrate to cause a porosification of the at least one first zone selectively at the at least one second zone.
    Type: Application
    Filed: May 24, 2018
    Publication date: March 19, 2020
    Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVE
    Inventors: Lamia NOURI, Frederic-Xavier GAI LIARD, Stefan LANDIS, Nicolas POSSEME