Patents by Inventor Steve A. Mastain

Steve A. Mastain 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).

  • Magnetic device containing a heater
    Patent number: 8760808
    Abstract: An apparatus that includes a writer that includes a write pole, at least one return pole, a writer coil and a write pole tip, wherein the write coil wraps around the write pole such that the flow of electrical current through the write coil generates a magnetic flux at the write pole tip, and wherein the write coil has a writer coil shape; and a heater that includes a resistive material, wherein the heater has a heater shape that substantially matches the writer coil shape.
    Type: Grant
    Filed: April 29, 2010
    Date of Patent: June 24, 2014
    Assignee: Seagate Technology LLC
    Inventors: Kevin Richard Heim, Erik J. Hutchinson, Steve A. Mastain, Jay A. Loven, Anthony M. Mack
  • Self-aligned perpendicular writer pole and front shield
    Patent number: 8089724
    Abstract: A write pole structure includes a write pole having a tip region. A shield structure is spaced from the write pole by a gap at the tip region. The shield structure includes a front shield and a spacer layer on the back of the front shield. A yoke is formed on the write pole, and an end of the yoke is aligned with the back end of the spacer layer.
    Type: Grant
    Filed: May 19, 2008
    Date of Patent: January 3, 2012
    Assignee: Seagate Technology LLC
    Inventors: Huaqing Yin, Chris J. Rea, Jianhua Xue, Steve A. Mastain
  • MAGNETIC DEVICE CONTAINING A HEATER
    Publication number: 20110267715
    Abstract: An apparatus that includes a writer that includes a write pole, at least one return pole, a writer coil and a write pole tip, wherein the write coil wraps around the write pole such that the flow of electrical current through the write coil generates a magnetic flux at the write pole tip, and wherein the write coil has a writer coil shape; and a heater that includes a resistive material, wherein the heater has a heater shape that substantially matches the writer coil shape.
    Type: Application
    Filed: April 29, 2010
    Publication date: November 3, 2011
    Applicant: SEAGATE TECHNOLOGY LLC
    Inventors: Kevin Richard Heim, Erik J. Hutchinson, Steve A. Mastain, Jay A. Loven, Anthony M. Mack
  • SELF-ALIGNED PERPENDICULAR WRITER POLE AND FRONT SHIELD
    Publication number: 20090284874
    Abstract: A write pole structure includes a write pole having a tip region. A shield structure is spaced from the write pole by a gap at the tip region. The shield structure includes a front shield and a spacer layer on the back of the front shield. A yoke is formed on the write pole, and an end of the yoke is aligned with the back end of the spacer layer.
    Type: Application
    Filed: May 19, 2008
    Publication date: November 19, 2009
    Applicant: SEAGATE TECHNOLOGY LLC
    Inventors: Huaqing Yin, Chris J. Rea, Jianhua Xue, Steve A. Mastain