Patents by Inventor Ewen Gillespie

Ewen Gillespie 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).

  • Composite mask process for semiconductor fabrication
    Patent number: 5679586
    Abstract: This is a method of making a semiconductor device comprising covering a first semiconductor compound having a plurality of windows on a major surface of a semiconductor body, covering a second semiconductor compound on selected windows of the first compound, forming openings in the second compound over the selected windows, forming electrodes by introducing an impurity in the semiconductor body through the openings.
    Type: Grant
    Filed: October 14, 1993
    Date of Patent: October 21, 1997
    Assignee: Seagate Technology, Inc.
    Inventors: Richard Anthony Alexis Rodrigues, Ewen Gillespie