Patents by Inventor Rong R. Cao

Rong R. Cao 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).

  • Apparatus and method for reducing corrosion in capping layer of magnetic recording reader
    Patent number: 9940956
    Abstract: Aspects of the present disclosure provide a magnetic reader and methods for fabricating the same. The magnetic reader has a capping layer structure that can reduce or impede the corrosion and/or recession of a shield layer of the magnetic reader. In a particular embodiment, the capping layer structure includes a ruthenium (Ru) layer that is configured to impede oxygen interdiffusion between an IrMn antiferromagnetic layer and a Ta cap layer.
    Type: Grant
    Filed: June 30, 2016
    Date of Patent: April 10, 2018
    Assignee: Western Digital (Fremont), LLC
    Inventors: Rong R. Cao, Yung-Hung Wang, Lifan Chen, Haifeng Wang, Chih-Ching Hu