Patents by Inventor William A. Sides

William A. Sides 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).

  • Patent number: 11302350
    Abstract: The present disclosure is generally related to a magnetic media drive employing a magnetic recording head. The magnetic recording head comprises a main pole and a wrap-around shield surrounding at least two sides of the main pole at a media facing surface. The wrap-around shield comprises an electroplated, laminated NiFeX film, where X is one of Re, Cr, or Ir. The NiFeX film comprises about 1 atomic percent to about 12 atomic percent of X, about 30 atomic percent to about 50 atomic percent of Ni, and balance of Fe. The NiFeX film comprises a plurality of layers, each layer comprising a first sublayer having a Re content of about 1 atomic percent to about 43 atomic percent and a second sublayer having a Re content of about 0 atomic percent to about 12 atomic percent. The NiFeX film increases the damping constant of the magnetic recording head.
    Type: Grant
    Filed: February 18, 2021
    Date of Patent: April 12, 2022
    Assignee: WESTERN DIGITAL TECHNOLOGIES, INC.
    Inventors: Yifan Zhang, Ming Sun, Ming Jiang, William Sides
  • Patent number: 5690331
    Abstract: A die has four faces in the shape of isosceles triangles. The die uses an efficient amount of material and can be read without the player having to pick up the die. Each face of the die has placed thereon an indicium corresponding to only a single face. The die provides an equal chance for each of the four faces to be selected.
    Type: Grant
    Filed: August 7, 1996
    Date of Patent: November 25, 1997
    Assignee: TSR, Inc.
    Inventor: William A. Sides