Patents by Inventor Nicolas Pialot

Nicolas Pialot 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).

  • Cleaning chemical composition for the removal of an amorphous passivation layer at the surface of crystalline materials
    Patent number: 11075073
    Abstract: A cleaning chemical composition suitable, for removing a passivation layer from a substrate, wherein the passivation layer comprises residues resulting from etching of said Substrate.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: July 27, 2021
    Inventors: Christian Pizzetti, Marine Audouin, Jérôme Daviot, Nicolas Pialot, Philippe Vernin
  • Cleaning Chemical Composition for the Removal of an Amorphous Passivation Layer at the Surface of Crystalline Materials
    Publication number: 20200335326
    Abstract: A cleaning chemical composition suitable for removing, from a substrate, a passivation layer comprising etching residues resulting from etching of said substrate, includes a weak acid comprising acetic acid, the weak acid content being between 20% by weight and 95% by weight, preferably between 50% by weight and 80% by weight, relative to the weight of the chemical composition, a non-oxidising strong acid comprising methanesulphonic acid, the non-oxidising strong acid content being between 5% by weight and 50% by weight, preferably between 15% by weight and 50%, relative to the weight of the chemical composition, hydrofluoric acid, whose content is between 0.2% by weight and 2% by weight relative to the weight of the chemical composition, water whose content is between 2% by weight and 20% by weight relative to the weight of the chemical composition.
    Type: Application
    Filed: June 29, 2018
    Publication date: October 22, 2020
    Applicant: Technic France
    Inventors: Christian Pizzetti, Marine Audouin, Jérôme Daviot, Nicolas Pialot, Philippe Vernin