Patents by Inventor Bogdan Valcu

Bogdan Valcu 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).

  • Recording media with multiple bi-layers of heatsink layer and amorphous layer for energy assisted magnetic recording system and methods for fabricating the same
    Patent number: 8605555
    Abstract: An energy assisted magnetic recording (EAMR) system includes a magnetic recording medium including a plurality of bi-layers and a magnetic recording layer on the plurality of bi-layers, a magnetic transducer configured to write information to the magnetic recording medium, and a light source positioned proximate the magnetic transducer and configured to heat the magnetic recording medium. Each of the plurality of bi-layers includes a heatsink layer and an amorphous under-layer on the heatsink layer.
    Type: Grant
    Filed: April 19, 2012
    Date of Patent: December 10, 2013
    Assignee: WD Media, LLC
    Inventors: Alexander S. Chernyshov, Hua Yuan, Bogdan Valcu, Antony Ajan, B. Ramamurthy Acharya