Patents by Inventor Hon Kit Lau

Hon Kit Lau 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).

  • Thermally assisted magnetic head, head gimbal assembly and hard disk drive
    Patent number: 10978102
    Abstract: A thermally assisted magnetic head including a main magnetic pole layer having a magnetic pole end face arranged in a medium-opposing surface, a near-field transducer which generates a near-field light for heating the magnetic recording medium, a waveguide guiding light to the near-field transducer; and an optical side shield being arranged in the medium-opposing surface side of the waveguide and being formed so as to sandwich a part of the near-field transducer, in the medium-opposing surface side, from both sides of a direction along the medium-opposing surface. The near-field transducer includes a protruding end-part (PEG). Then the protruding end-part is arranged to have a PEG end-surface at a position receded from the medium-opposing surface.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: April 13, 2021
    Assignee: SAE Magnetics (H.K.) Ltd.
    Inventors: Wai Yuen Anthony Lai, Hon Kit Lau