Patents by Inventor JunLong Lim

JunLong Lim 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).

  • Disc clamp assembly with interlocking shims
    Patent number: 9153282
    Abstract: Method and apparatus for securing a disc stack to a spindle motor hub. In some embodiments, a disc clamp assembly includes a spring clamp with an annular contact portion which contactingly engages a disc stack and a central aperture through which a hub projection of the spindle motor hub extends. A plurality of interlocking semi-annular shim segments interlock together to form a continuous retention ring assembly which wedges between the spring clamp and a shoulder surface of the spindle motor hub.
    Type: Grant
    Filed: May 1, 2015
    Date of Patent: October 6, 2015
    Assignee: Seagate Technology LLC
    Inventors: PowMing Yap, KokLiang Cho, Aileen Woon, Hao Sun, Noppavit Yongrattana, Ying Su, CheeXian Lee, JunLong Lim