Patents by Inventor Yih Fey Chang

Yih Fey Chang 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).

  • Disk clamp and motor hub cleaning with stamping adhesive
    Patent number: 9895725
    Abstract: An assembly configured to clean one or more selected structures of a device may comprise an end effector assembly, a material disposed on a surface of the end effector assembly that, in operation of the device, faces the selected structure(s) of the device. The end effector assembly may be configured to selectively move the material towards and against the selected structure(s) such that the material remains on the facing surface of the end effector assembly and to retain, when the end effector assembly is moved away from the device, at least some particulates previously on the selected structure(s). The device may comprise a data storage assembly and the selected structures may comprise a spindle motor hub and a disk clamp to secure the clamp to the disk.
    Type: Grant
    Filed: October 7, 2014
    Date of Patent: February 20, 2018
    Assignee: Western Digital Technologies, Inc.
    Inventors: Jin Yang Chong, Yih Fey Chang, Lie Dhani Hastama