Patents by Inventor D. Eirug Davies

D. Eirug Davies 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).

  • Method and means for passivation and isolation in semiconductor devices
    Patent number: 4017887
    Abstract: The use of ion implantation to produce low concentrations of chromium, oxygen or iron in a gallium arsenide junction type semiconductor, utilizing the accompanying low resistivity to provide an improved device.
    Type: Grant
    Filed: December 20, 1974
    Date of Patent: April 12, 1977
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: D. Eirug Davies, Sven A. Roosild, Russell P. Dolan, Jr.