Patents by Inventor David Joal McElroy

David Joal McElroy 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).

  • Correcting doping defects
    Patent number: 4061506
    Abstract: A semiconductive device and a method for producing the semiconductive device, wherein random defects or inaccuracies in precise registrations of certain patterns are compensated by the introduction of selected impurities. The selected impurities bring about changes in the electrical characteristics of those portions of the semiconductor affected by the random defects or registration inaccuracies so as to prevent them from causing malfunctions in the completed devices.
    Type: Grant
    Filed: May 1, 1975
    Date of Patent: December 6, 1977
    Assignee: Texas Instruments Incorporated
    Inventor: David Joal McElroy