Patents by Inventor Ping-I Cheng

Ping-I Cheng 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: 20230068160
    Abstract: A package carrier including a multi-layer circuit substrate and a silicon wafer is provided. The multi-layer circuit substrate has a first opening and a second opening communicating with each other. A first diameter and a first depth of the first opening are respectively greater than a second diameter and a second depth of the second opening. The silicon wafer is embedded in the first opening of the multi-layer circuit substrate. The silicon wafer has an active surface and includes a connecting circuit layer. The connecting circuit layer is disposed on the active surface and electrically connected to the multi-layer circuit substrate. The second opening of the multi-layer circuit substrate exposes part of the connecting circuit layer.
    Type: Application
    Filed: May 12, 2022
    Publication date: March 2, 2023
    Applicant: Subtron Technology Co., Ltd.
    Inventors: Shaw-Wen Lao, Chih-Peng Fan, Ping-I Cheng