Patents by Inventor Louis M. Seieroe

Louis M. Seieroe 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).

  • Surface mount package for R.F. devices
    Patent number: 5117068
    Abstract: A TO-8 surface-mount package assembly for R.F. and microwave devices is disclosed. The assembly includes a lead-frame positioned beneath an alumina base. The alumina base supports a number of solid metal vias. The vias electrically connect the lead-frame to an R.F. or microwave device which is attached to the vias. The assembly also includes a gold plated Kovar seal-ring positioned over the base. The seal-ring and base are brazed together. A cover is then positioned over the seal-ring and welded to the seal-ring.
    Type: Grant
    Filed: August 17, 1990
    Date of Patent: May 26, 1992
    Assignee: Watkins-Johnson Company
    Inventors: Louis M. Seieroe, Kenneth S. Ledford