Patents by Inventor Stephen Anthony Zanella

Stephen Anthony Zanella 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).

  • MELT FIXTURE INCLUDING THERMAL SHIELDS HAVING A STEPPED CONFIGURATION
    Publication number: 20140150716
    Abstract: Various single crystals are disclosed including sapphire. The single crystals have desirable geometric properties, including a width not less than about 15 cm and the thickness is not less than about 0.5 cm. The single crystal may also have other features, such as a maximum thickness variation, and as-formed crystals may have a generally symmetrical neck portion, particularly related to the transition from the neck to the main body of the crystal. Methods and for forming such crystals and an apparatus for carrying out the methods are disclosed as well.
    Type: Application
    Filed: February 10, 2014
    Publication date: June 5, 2014
    Inventors: John Walter Locher, Stephen Anthony Zanella, Ralph Lampson MacLean, JR., Herbert Ellsworth Bates
  • C-Plane Sapphire Method
    Publication number: 20140116323
    Abstract: A method and apparatus for the production of C-plane single crystal sapphire is disclosed. The method and apparatus may use edge defined film-fed growth techniques for the production of single crystal material exhibiting low polycrystallinity and/or low dislocation density.
    Type: Application
    Filed: January 6, 2014
    Publication date: May 1, 2014
    Applicant: Saint-Gobain Ceramics & Plastics, Inc.
    Inventors: Vitali Tatartchenko, Christopher D. Jones, Stephen Anthony Zanella, John Walter Locher, Fery Pranadi