Patents by Inventor Guan Gui

Guan Gui 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: 20250354939
    Abstract: An inspection system and method are disclosed. The inspection system may include a controller configured to be communicatively coupled to an optical sub-system. The controller may include one or more processors configured to execute program instructions to cause the one or more processors to direct a stage to perform a first scanning of a sample using a first configuration of a beam-shaping channel, where the first configuration controls an orientation of a beam profile of an illumination beam as projected onto the sample; receive first scan data associated with the first scanning; direct the stage to perform a second scanning using a second configuration of the beam-shaping channel; receive second scan data associated with the second scanning; and identify one or more defects on the sample based on scan data from at least the first and second scans. The stage may include an X-Y ? stage.
    Type: Application
    Filed: December 18, 2024
    Publication date: November 20, 2025
    Inventors: Bret Whiteside, Chongyuan Huang, Zhiwei Xu, Guan Gui, Guoheng Zhao