Patents by Inventor Wai Yip CHEUNG

Wai Yip CHEUNG 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).

  • MgS solar-blind UV radiation detector
    Patent number: 8592935
    Abstract: A UV detector is designed to provide a photoresponse with a cutoff wavelength below a predetermined wavelength. The detector uses a sensor element having an active layer comprising a MgS component grown directly on a substrate. A thin layer metal layer is deposited over the active layer and forms a transparent Schottky metal layer.
    Type: Grant
    Filed: June 5, 2012
    Date of Patent: November 26, 2013
    Assignees: The Hong Kong University of Science and Technology, University of Macau
    Inventors: Iam Keong Sou, Ying Hoi Lai, Shu Kin Lok, Wai Yip Cheung, George Ke Lun Wong, Kam Weng Tam, Sut Kam Ho
  • MgS Solar-Blind UV Radiation Detector
    Publication number: 20120306042
    Abstract: A UV detector is designed to provide a photoresponse with a cutoff wavelength below a predetermined wavelength. The detector uses a sensor element having an active layer comprising a MgS component grown directly on a substrate. A thin layer metal layer is deposited over the active layer and forms a transparent Schottky metal layer.
    Type: Application
    Filed: June 5, 2012
    Publication date: December 6, 2012
    Applicant: THE HONG KONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Iam Keong SOU, Ying Hoi LAI, Shu Kin LOK, Wai Yip CHEUNG, George Ke Lun WONG, Kam Weng TAM, Sut Kam HO