Patents Assigned to Ching-Ray CHANG
  • Perpendicular magnetic recording medium and method for fabricating the same
    Patent number: 7993766
    Abstract: A magnetic recording medium is provided in the present invention. The magnetic recording medium including a substrate; a base layer disposed on the substrate; an intermediate layer disposed on the base layer; and a recording layer disposed on the intermediate layer and including a magnetic matrix and a plurality of non-magnetic particles percolated in the magnetic matrix.
    Type: Grant
    Filed: March 25, 2008
    Date of Patent: August 9, 2011
    Assignee: Ching-Ray CHANG
    Inventors: An-Cheng Sun, Po-Cheng Kuo, Jen-Hwa Hsu, Huei-Li Huang, Ching-Ray Chang