Patents by Inventor Albert R. Fisher

Albert R. Fisher 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).

  • Ultrasonic welding of copper foil
    Patent number: 5942314
    Abstract: A method and apparatus is disclosed for ultrasonically welding at their edges a strip of their copper foil to a second strip of supporting metal, preferably aluminum or stainless steel having a thickness greater than the copper foil. The welded strips are subsequently sheared into panels for use in making printed circuit boards.
    Type: Grant
    Filed: April 17, 1997
    Date of Patent: August 24, 1999
    Assignee: Mitsui Mining & Smelting Co., Ltd.
    Inventors: Brian K. Fisher, Albert R. Fisher