Patents by Inventor Kaifeng Dong

Kaifeng Dong 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).

  • Publication number: 20170301366
    Abstract: A stack includes a substrate, a magnetic recording layer having a columnar structure, and an interlayer disposed between the substrate and the magnetic recording layer. The columnar structure includes magnetic grains separated by a crystalline segregant or a combination of crystalline and amorphous segregants.
    Type: Application
    Filed: June 27, 2017
    Publication date: October 19, 2017
    Inventors: Jingsheng Chen, Kaifeng Dong, Ganping Ju, Yingguo Peng
  • Patent number: 9689065
    Abstract: A stack includes a substrate, a magnetic recording layer having a columnar structure, and an interlayer disposed between the substrate and the magnetic recording layer. The columnar structure includes magnetic grains separated by a crystalline segregant or a combination of crystalline and amorphous segregants.
    Type: Grant
    Filed: December 19, 2014
    Date of Patent: June 27, 2017
    Assignee: SEAGATE TECHNOLOGY LLC
    Inventors: Jingsheng Chen, Kaifeng Dong, Ganping Ju, Yingguo Peng
  • Publication number: 20150194175
    Abstract: A stack includes a substrate, a magnetic recording layer having a columnar structure, and an interlayer disposed between the substrate and the magnetic recording layer. The columnar structure includes magnetic grains separated by a crystalline segregant or a combination of crystalline and amorphous segregants.
    Type: Application
    Filed: December 19, 2014
    Publication date: July 9, 2015
    Inventors: Jingsheng Chen, Kaifeng Dong, Ganping Ju, Yingguo Peng