Patents Assigned to Western Digital Media, LLC
  • Electrochemical etching of magnetic recording layer
    Patent number: 9123373
    Abstract: A method of fabricating a perpendicular magnetic recording disk is described. The method may include providing a magnetic recording layer disposed above a substrate with a plurality of intermediate layers disposed there between and electrochemically etching the magnetic recording layer.
    Type: Grant
    Filed: June 26, 2013
    Date of Patent: September 1, 2015
    Assignee: Western Digital Media, LLC
    Inventors: Andrew M. Homola, Chunbin Zhang, Paul C. Dorsey, David Treves