Patents by Inventor Weiming ZHONG

Weiming ZHONG 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: 20200152674
    Abstract: An image sensor comprising a semiconductor substrate and a trench isolation structure that is formed in the semiconductor substrate, wherein the trench isolation structure sequentially includes, from an outer portion to an inner portion of the trench isolation structure, a first oxide layer, a nitride layer, a second oxide layer and a semiconductor material layer that respectively extend in a thickness direction of the semiconductor substrate, such that a semiconductor-oxide-nitride-oxide-semiconductor structure is formed from the semiconductor substrate to the inner portion of the trench isolation structure via the outer portion of the trench isolation structure.
    Type: Application
    Filed: August 8, 2019
    Publication date: May 14, 2020
    Applicant: HUAIAN IMAGING DEVICE MANUFACTURER CORPORATION
    Inventors: Xiaotong CUI, Weiming ZHONG, Kishou KANEKO, Xiaolu HUANG
  • Publication number: 20200152686
    Abstract: A stacked TSV structure comprises: a logic region in which a first metal wiring layer is formed, a pixel region located on the logic region, in which a second metal wiring layer is formed, and a through-silicon via including a first via penetrating from the first metal wiring layer upward through the logic region to the second metal wiring layer, wherein a contact is filled and formed in the through-silicon via, the contact contacting the first metal wiring layer and the second metal wiring layer, thereby electrically connecting the first metal wiring layer to the second metal wiring layer.
    Type: Application
    Filed: July 15, 2019
    Publication date: May 14, 2020
    Applicant: HUAIAN IMAGING DEVICE MANUFACTURER CORPORATION
    Inventors: Jing MA, Weiming ZHONG, Kishou KANEKO