Patents by Inventor Richard Dale Bunch

Richard Dale Bunch 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).

  • Apparatus for evaluating the quality of a lapping plate
    Patent number: 8047894
    Abstract: Embodiments of the present invention pertain to a evaluating the quality of a lapping plate. In one embodiment, an information receiver receives information while the lapping plate is being used to lap a slider. The information indicates the quality of a lapping plate. A quality determiner that evaluates the quality of the lapping plate based on the information while the lapping plate is being used to lap the slider.
    Type: Grant
    Filed: November 30, 2005
    Date of Patent: November 1, 2011
    Assignee: Hitachi Global Storage Technologies, Netherlands, B.V.
    Inventors: Richard Dale Bunch, Linden James Crawforth, Eduardo Padilla, Xiao Z. Wu
  • Method of evaluating the quality of a lapping plate
    Patent number: 7914362
    Abstract: Embodiments of the present invention pertain to a evaluating the quality of a lapping plate. In one embodiment, information that indicates the quality of a lapping plate is received while the lapping plate is being used to lap a slider, and the information is used to evaluate the quality of the lapping plate while the lapping plate is being used to lap the slider.
    Type: Grant
    Filed: November 30, 2005
    Date of Patent: March 29, 2011
    Assignee: Hitachi Global Storage Technologies, Netherlands B.V.
    Inventors: Richard Dale Bunch, Linden James Crawforth, Eduardo Padilla, Xiao Z. Wu