Patents by Inventor Samuel Martin Barthell

Samuel Martin Barthell 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).

  • Multi-stack reader with split middle shield
    Patent number: 9401163
    Abstract: A reader includes top and bottom reader stacks disposed between a top and bottom shield. The top and bottom reader stacks are offset relative to each other in a downtrack direction. Top side shields surround the top reader stack in a crosstrack direction, and bottom side shields surround the bottom reader stack in the crosstrack direction. A split middle shield is between the top and bottom reader stacks and the top and bottom side shields. The split middle shield includes top and bottom portions separated by an isolation layer, the top and bottom portions respectively coupled to the top and bottom reader stacks.
    Type: Grant
    Filed: July 3, 2014
    Date of Patent: July 26, 2016
    Assignee: SEAGATE TECHNOLOGY LLC
    Inventors: Shaun Eric McKinlay, Eric Walter Singleton, Samuel Martin Barthell
  • Leads coupled to top and bottom reader stacks of a reader
    Patent number: 9361910
    Abstract: A reader includes top and bottom reader stacks that are offset relative to each other in a downtrack direction and disposed between a top shield and a bottom shield. Top side shields surround the top reader stack in a crosstrack direction, and bottom side shields surround the bottom reader stack in the crosstrack direction. A middle shield is between the top and bottom reader stacks and the top and bottom side shields. The middle shield includes a common electrical conductive path coupled to the top and bottom reader stacks. A middle lead is coupled to an edge of the middle shield.
    Type: Grant
    Filed: July 3, 2014
    Date of Patent: June 7, 2016
    Assignee: SEAGATE TECHNOLOGY LLC
    Inventors: Shaun Eric McKinlay, Eric Walter Singleton, Samuel Martin Barthell
  • LEADS COUPLED TO TOP AND BOTTOM READER STACKS OF A READER
    Publication number: 20160005425
    Abstract: A reader includes top and bottom reader stacks that are offset relative to each other in a downtrack direction and disposed between a top shield and a bottom shield. Top side shields surround the top reader stack in a crosstrack direction, and bottom side shields surround the bottom reader stack in the crosstrack direction. A middle shield is between the top and bottom reader stacks and the top and bottom side shields. The middle shield includes a common electrical conductive path coupled to the top and bottom reader stacks. A middle lead is coupled to an edge of the middle shield.
    Type: Application
    Filed: July 3, 2014
    Publication date: January 7, 2016
    Inventors: Shaun Eric McKinlay, Eric Walter Singleton, Samuel Martin Barthell
  • MULTI-STACK READER WITH SPLIT MIDDLE SHIELD
    Publication number: 20160005424
    Abstract: A reader includes top and bottom reader stacks disposed between a top and bottom shield. The top and bottom reader stacks are offset relative to each other in a downtrack direction. Top side shields surround the top reader stack in a crosstrack direction, and bottom side shields surround the bottom reader stack in the crosstrack direction. A split middle shield is between the top and bottom reader stacks and the top and bottom side shields. The split middle shield includes top and bottom portions separated by an isolation layer, the top and bottom portions respectively coupled to the top and bottom reader stacks.
    Type: Application
    Filed: July 3, 2014
    Publication date: January 7, 2016
    Inventors: Shaun Eric McKinlay, Eric Walter Singleton, Samuel Martin Barthell