Patents by Inventor Siew Lily Yang

Siew Lily Yang 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: 8924775
    Abstract: A data storage device may comprise storage media comprising a plurality of sectors, and a controller configured to selectively read and write data thereto. The controller may be further configured to tag a sector as a bad sector to be relocated after a first failed read and to untag the tagged sector after a successful write attempt after the first failed read. After a second failed read from the sector subsequent to the successful write, the controller may tag the untagged sector as a bad sector to be relocated and adjust a recurring bad sector counter for that sector. On a subsequent write request, based at least in part on the bad sector counter and a threshold, the controller may determine whether to relocate data stored at a physical location on the data storage device corresponding to the sector to a spare location on the data storage device.
    Type: Grant
    Filed: September 25, 2012
    Date of Patent: December 30, 2014
    Assignee: Western Digital Technologies, Inc.
    Inventors: Kum Gatt Siew, Petrus Hu, Siew Lily Yang