Patents by Inventor Cyril Peter De Vries

Cyril Peter De Vries 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 materials used in magnetic recording head assemblies to prevent damage from electrostatic discharge
    Patent number: 7031109
    Abstract: The invention includes a magnetic recording head that has at least one structure or substructure that is made of a semiconductor material that protects the head from damage or destruction arising from stray current flow or unwanted electrostatic discharge during manufacture, assembly or use. The semiconductor material acts as a dissipative pathway to drain unwanted charges from the structure. The invention also includes a magnetic recording head that includes a substrate and a reader portion in the substrate, the substrate comprising a semiconductor material.
    Type: Grant
    Filed: December 11, 2002
    Date of Patent: April 18, 2006
    Assignee: Seagate Technology LLC
    Inventors: Eric Leroy Granstrom, Ned Tabat, Cyril Peter De Vries