Patents by Inventor Anthony M. Viggiano

Anthony M. Viggiano 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).

  • Information storage device having coated metal hub
    Patent number: 6146735
    Abstract: A mini-floppy disk or like information storage device is comprised of a circle of data storage medium having a central metal hub. In use, the hub is contacted with and driven by a magnetized spindle. The hub comprises a ferromagnetic substrate and a metal coating. The coating has magnetization B.sub.s which is less than the magnetization of the substrate. The coating is harder than the substrate, preferably greater than 400 DPH hardness number. The coating is deposited with an amorphous microstructure while the substrate is crystalline. The coating has a nodular surface texture and surface oxide film which provides improved adhesive bond strength, where the medium is joined to the hub. The coating preferably is an electroless plating deposit, comprised of nickel or cobalt base metal, with phosphorous or boron additive; most preferably it is nickel-11% phosphorous.
    Type: Grant
    Filed: October 1, 1997
    Date of Patent: November 14, 2000
    Assignee: Component Technologies, Inc.
    Inventor: Anthony M. Viggiano