Patents by Inventor Frank J. Avella

Frank J. Avella 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).

  • Silicon nitride substrate
    Patent number: 4608354
    Abstract: A densified silicon nitride/magnesium oxide article which can be used as a substrate for a silicon device such as an integrated circuit chip is made by a unique process which imparts to the densified article of the combined properties of high relative density, low relative dielectric constant, low dielectric loss tangent, high thermal conductivity, thermal expansion coefficient matched to that of silicon, and a high modulus of rupture without hot pressing.
    Type: Grant
    Filed: December 24, 1984
    Date of Patent: August 26, 1986
    Assignee: GTE Laboratories Incorporated
    Inventors: Frank J. Avella, Leslie J. Bowen