Patents by Inventor Robert P. Ekstrum

Robert P. Ekstrum 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).

  • Hybrid burnish/glide head with advanced air bearing fly height control rails
    Patent number: 6503132
    Abstract: A disc burnishing system configured to contact and level irregularities located on a surface of a disc is provided. The system includes a motor to rotate the disc and an armature. A slider is carried on the armature over the surface of the disc. The slider includes at least one raised air bearing rail disposed on and extending from a bottom surface that faces the disc. At least one burnish pad is disposed on the bottom surface and extends towards the disc. Each burnish pad is spaced apart from each raised air bearing rail. In accordance with one embodiment of the system, a defect detection apparatus is operably disposed relative the slider and is utilized to first detect an irregularity before it is burnished.
    Type: Grant
    Filed: June 4, 2001
    Date of Patent: January 7, 2003
    Assignee: Seagate Technology LLC
    Inventors: Robert P. Ekstrum, William O. Liners, Mark J. Schaenzer, Laurie J. Schulz, Zuxuan Lin
  • Hybrid burnish/glide head with advanced air bearing fly height control rails
    Publication number: 20020039876
    Abstract: A disc burnishing system configured to contact and level irregularities located on a surface of a disc is provided. The system includes a motor to rotate the disc and an armature. A slider is carried on the armature over the surface of the disc. The slider includes at least one raised air bearing rail disposed on and extending from a bottom surface that faces the disc. At least one burnish pad is disposed on the bottom surface and extends towards the disc. Each burnish pad is spaced apart from each raised air bearing rail. In accordance with one embodiment of the system, a defect detection apparatus is operably disposed relative the slider and is utilized to first detect an irregularity before it is burnished.
    Type: Application
    Filed: June 4, 2001
    Publication date: April 4, 2002
    Inventors: Robert P. Ekstrum, William O. Liners, Mark J. Schaenzer, Laurie J. Schulz, Zuxuan Lin