Patents by Inventor Janet Ellzey

Janet Ellzey 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).

  • Reaction chamber having non-clouded window
    Patent number: 5005519
    Abstract: A reaction chamber for performing a chemical vapor deposition process wherein the window through which the light must pass is prevented from becoming clouded. The chamber is divided by baffles into a reactant zone, a buffer zone, and a window zone, and the momentum flux densities of the gases flowing in the respective zones are about matched. Additionally, discontinuities are provided on the walls of the reactor to impede diffusion of the reactant gas towards the window.
    Type: Grant
    Filed: March 14, 1990
    Date of Patent: April 9, 1991
    Assignee: Fusion Systems Corporation
    Inventors: John C. Egermeier, Janet Ellzey, Delroy Walker