Patents by Inventor Ward Zhang

Ward Zhang 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).

  • System and method for black coating of camera cubes at wafer level
    Patent number: 9293505
    Abstract: A method for black coating camera cubes at wafer level includes expanding the gap between individual diced camera cubes of the wafer by stretching tape securing the diced camera cubes. The method includes applying a black coating layer to the stretched camera cubes, laser trimming undesired portions of the black coating layer, and removing the undesired portions of the black coating layer.
    Type: Grant
    Filed: May 5, 2014
    Date of Patent: March 22, 2016
    Assignee: OmniVision Technologies, Inc.
    Inventors: Edward Nabighian, Yi Qin, Ward Zhang, Alan Martin
  • System And Method For Black Coating Of Camera Cubes At Wafer Level
    Publication number: 20150318325
    Abstract: A method for black coating camera cubes at wafer level includes expanding the gap between individual diced camera cubes of the wafer by stretching tape securing the diced camera cubes. The method includes applying a black coating layer to the stretched camera cubes, laser trimming undesired portions of the black coating layer, and removing the undesired portions of the black coating layer.
    Type: Application
    Filed: May 5, 2014
    Publication date: November 5, 2015
    Applicant: OmniVision Technologies, Inc.
    Inventors: Edward Nabighian, Yi Quin, Ward Zhang, Alan Martin