Patents by Inventor Wang Fei Ng

Wang Fei Ng 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).

  • Patent number: 10634618
    Abstract: The invention provides an apparatus for inspecting a light transmissible optical component. The apparatus comprises an image capturing module arranged on a first side of a support configured to hold a light transmissible optical component whilst it is being inspected. The apparatus includes an illumination device configured to shape light from a light source and to illuminate a selected portion of a surface of said light transmissible optical component with said shaped light to enable the image capturing module to capture any of a bright field image, a dark field image, or a combined bright field and dark field image of the light transmissible optical component being held by the support.
    Type: Grant
    Filed: January 23, 2018
    Date of Patent: April 28, 2020
    Assignee: Hong Kong Applied Science and Technology Research Institute Company Limited
    Inventors: Vladislav Nikitin, Wang Fei Ng, Ka Kit Wong, Xiaozhe Ren, Ying Liu
  • Publication number: 20190226997
    Abstract: The invention provides an apparatus for inspecting a light transmissible optical component. The apparatus comprises an image capturing module arranged on a first side of a support configured to hold a light transmissible optical component whilst it is being inspected. The apparatus includes an illumination device configured to shape light from a light source and to illuminate a selected portion of a surface of said light transmissible optical component with said shaped light to enable the image capturing module to capture any of a bright field image, a dark field image, or a combined bright field and dark field image of the light transmissible optical component being held by the support.
    Type: Application
    Filed: January 23, 2018
    Publication date: July 25, 2019
    Inventors: Vladislav Nitikin, Wang Fei Ng, Ka Kit Wong, Xiaozhe Ren, Ying Liu