Patents by Inventor Zhi Xiang Qiu

Zhi Xiang Qiu 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).

  • TESTKEY STRUCTURE FOR SEMICONDUCTOR DEVICE
    Publication number: 20230245934
    Abstract: A testkey structure for semiconductor device includes a substrate, a gate structure disposed on the substrate, and a plurality of first dummy gate structures disposed on the substrate and arranged around the gate structure. A bottom surface of the gate structure is lower than bottom surfaces of the first dummy gate structures. A top surface of the gate structure is flush with top surfaces of the first dummy gate structures.
    Type: Application
    Filed: March 30, 2022
    Publication date: August 3, 2023
    Applicant: United Semiconductor (Xiamen) Co., Ltd.
    Inventors: Zhi Xiang Qiu, RONG HE, Hailong Gu, Chin-Chun Huang, WEN YI TAN