Patents by Inventor Thomas Roscamp

Thomas Roscamp 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).

  • Damping controlled composite magnetic media for heat assisted magnetic recording
    Patent number: 9799363
    Abstract: A magnetic stack includes a substrate and a magnetic recording layer disposed over the substrate. The magnetic recording layer comprises magnetic crystalline grains and a segregant disposed between grain boundaries of the crystalline grains. One or both of the magnetic crystalline grains and the segregant are doped with a rare earth or transition metal dopant in an amount that provides the magnetic recording layer with a magnetic damping value, ?, between about 0.1 to about 1.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: October 24, 2017
    Assignee: SEAGATE TECHNOLOGY, LLC
    Inventors: Xi Chen, Yingguo Peng, Jan-Ulrich Thiele, Ganping Ju, Thomas Roscamp
  • DAMPING CONTROLLED COMPOSITE MAGNETIC MEDIA FOR HEAT ASSISTED MAGNETIC RECORDING
    Publication number: 20140272473
    Abstract: A magnetic stack includes a substrate and a magnetic recording layer disposed over the substrate. The magnetic recording layer comprises magnetic crystalline grains and a segregant disposed between grain boundaries of the crystalline grains. One or both of the magnetic crystalline grains and the segregant are doped with a rare earth or transition metal dopant in an amount that provides the magnetic recording layer with a magnetic damping value, ?, between about 0.1 to about 1.
    Type: Application
    Filed: March 13, 2013
    Publication date: September 18, 2014
    Inventors: Xi Chen, Yingguo Peng, Jan-Ulrich Thiele, Ganping Ju, Thomas Roscamp