Patents by Inventor Kenneth Ellett

Kenneth Ellett 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).

  • Semiconductor bonding tool
    Patent number: 5217154
    Abstract: The disclosure relates to a bonding tool tip bonding electronic interconnects having a shank portion formed of a relatively hard, stiff material having a high modulus of elasticity and a foot portion formed of polycrystalline diamond bonded to the shank portion. The shank portion is preferably formed of tungsten carbide. The foot portion can have an aperture therethrough for feeding of wire to be welded.
    Type: Grant
    Filed: May 22, 1990
    Date of Patent: June 8, 1993
    Assignee: Small Precision Tools, Inc.
    Inventors: Richard Elwood, Kenneth Ellett, Hugo Stebler