Patents by Inventor Liguo HAN

Liguo HAN 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: 20250191818
    Abstract: Disclosed are a co-sputtering rare earth rotating target material, and a preparation method and an application method therefor. The co-sputtering rare earth rotating target material includes two sections of end target tubes arranged at an axial end of the target material, and a plurality of sections of rare earth target tubes and a plurality of sections of co-sputtering target tubes which are arranged between the two sections of end target tubes and with a target material along an axial middle region, wherein the plurality of sections of rare earth target tubes are spaced apart from the plurality of sections of co-sputtering target tubes, and the target tubes are mutually assembled via welding; and the co-sputtering target tubes are selected from at least one of aluminum, copper, nickel, iron and praseodymium target tubes, and the end target tubes are non-rare earth target tubes or rare earth target tubes.
    Type: Application
    Filed: February 19, 2025
    Publication date: June 12, 2025
    Applicants: GRIREM ADVANCED MATERIALS CO., LTD., GRIREM HI-TECH CO., LTD.
    Inventors: Zhiqiang WANG, Dehong CHEN, Jiamin ZHONG, Zongan LI, Hongbo YANG, Jun CHENG, Siming PANG, Bingzheng YANG, Shuang WANG, Yanling ZHANG, Xiaoqiang ZHANG, Dezhong LIU, Liguo HAN