Patents by Inventor William Bryce Willett

William Bryce Willett 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).

  • Metal sputtering target assembly
    Patent number: 5687600
    Abstract: Described is a method of manufacturing a sputtering target or backing plate for a sputtering target that minimizes metal waste and reduces manufacturing steps. The target or backing plate is made from a substantially circular metal blank by progressively deforming circumferential bands until the blank is in the shape of a sputtering target or backing plate. The target and backing plate so produced are also described.
    Type: Grant
    Filed: August 1, 1996
    Date of Patent: November 18, 1997
    Assignee: Johnson Matthey Electronics, Inc.
    Inventors: Roger Alan Emigh, William Bryce Willett