Patents by Inventor Man Yin KWAN

Man Yin KWAN 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: 10699932
    Abstract: An apparatus and a method for inspecting a substantially transparent semiconductor device are provided, where the method comprises the steps of holding the substantially transparent semiconductor device with a semiconductor device holder, and illuminating a surface of the semiconductor device held by the semiconductor device holder from multiple directions with an enveloping light source. Thereafter, capturing a first image of the semiconductor device with an imaging module from the light projected from the enveloping light source, the first image revealing a direction of grinding marks on the said surface of the transparent semiconductor device.
    Type: Grant
    Filed: April 10, 2018
    Date of Patent: June 30, 2020
    Assignee: ASM TECHNOLOGY SINGAPORE PTE LTD
    Inventors: Yu Sze Cheung, Man Yin Kwan
  • Publication number: 20190311931
    Abstract: An apparatus and a method for inspecting a substantially transparent semiconductor device are provided, where the method comprises the steps of holding the substantially transparent semiconductor device with a semiconductor device holder, and illuminating a surface of the semiconductor device held by the semiconductor device holder from multiple directions with an enveloping light source. Thereafter, capturing a first image of the semiconductor device with an imaging module from the light projected from the enveloping light source, the first image revealing a direction of grinding marks on the said surface of the transparent semiconductor device.
    Type: Application
    Filed: April 10, 2018
    Publication date: October 10, 2019
    Inventors: Yu Sze CHEUNG, Man Yin KWAN