Patents by Inventor Keith Laurence COMENDANT

Keith Laurence COMENDANT 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).

  • Publication number: 20210005494
    Abstract: An electrostatic chuck for a substrate processing system is provided and includes a baseplate, an intermediate layer disposed on the baseplate, and a top plate. The top plate is bonded to the baseplate via the intermediate layer and is configured to electrostatically clamp to a substrate. The top plate includes a monopolar clamping electrode and seals. The monopolar clamping electrode includes a groove opening pattern with coolant gas groove opening sets. The seals separate coolant gas zones. The coolant gas zones include four or more coolant gas zones. Each of the coolant gas zones includes distinct coolant gas groove sets. The top plate includes the distinct coolant gas groove sets. Each of the distinct coolant gas groove sets has one or more coolant gas supply holes and corresponds to a respective one of the coolant gas groove opening sets.
    Type: Application
    Filed: April 5, 2018
    Publication date: January 7, 2021
    Inventors: Alexander MATYUSHKIN, Keith Laurence COMENDANT, John Patrick HOLLAND
  • Publication number: 20160352260
    Abstract: In accordance with this disclosure, there are provided several inventions, including an electrostatic chuck apparatus comprising multiple layers with cutouts that form a labyrinth structure which defined a path for cooling or heating gas. The structure prevents particles from accelerating such that they form unwanted lightup in the gas flow path.
    Type: Application
    Filed: May 29, 2015
    Publication date: December 1, 2016
    Inventor: Keith Laurence COMENDANT