Patents by Inventor ZI MING DU

ZI MING DU 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).

  • Semiconductor device and manufacturing method thereof
    Patent number: 11508829
    Abstract: Some embodiments of the disclosure provide a semiconductor device. The semiconductor device comprises: a substrate; a first nitride semiconductor layer on the substrate; a second nitride semiconductor layer on the first nitride semiconductor layer and having a band gap larger than a band gap of the first nitride semiconductor layer; an intermediate layer disposed on the second nitride semiconductor layer; and a conductive structure disposed on the intermediate layer, wherein a first even interface is formed between the intermediate layer and the second nitride semiconductor layer.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: November 22, 2022
    Assignee: INNOSCIENCE (ZHUHAI) TECHNOLOGY CO., LTD.
    Inventors: Chang An Li, Ming-Hong Chang, Jun Tang, Zi Ming Du
  • SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF
    Publication number: 20220140108
    Abstract: Some embodiments of the disclosure provide a semiconductor device. The semiconductor device comprises: a substrate; a first nitride semiconductor layer on the substrate; a second nitride semiconductor layer on the first nitride semiconductor layer and having a band gap larger than a band gap of the first nitride semiconductor layer; an intermediate layer disposed on the second nitride semiconductor layer; and a conductive structure disposed on the intermediate layer, wherein a first even interface is formed between the intermediate layer and the second nitride semiconductor layer.
    Type: Application
    Filed: May 28, 2020
    Publication date: May 5, 2022
    Inventors: CHANG AN LI, MING-HONG CHANG, JUN TANG, ZI MING DU