Patents by Inventor Kenneth W. Ellett

Kenneth W. 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).

  • Protection of semiconductor wire bonding capillary from spark erosion
    Patent number: 4513190
    Abstract: A wire bonding capillary of a hard, normally electrically non-conductive material wherein surfaces of the capillary are coated with a thin electrically conductive material for protecting the capillary bonding face from spark erosion damage and reduction in carbon-like material build-up inside the inner taper of the capillary bore by conduction of current from an electronic flame-off (EFO) torch through a low resistance path to ground.
    Type: Grant
    Filed: January 3, 1983
    Date of Patent: April 23, 1985
    Assignee: Small Precision Tools, Inc.
    Inventors: Kenneth W. Ellett, Peter Glutz