Patents by Inventor Yu-Chau Hung

Yu-Chau Hung 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: 20220241929
    Abstract: A chemical mechanical polishing pad conditioner includes a bottom substrate, an intermediate substrate and a diamond film. The intermediate substrate is arranged on the bottom substrate; the intermediate substrate includes a hollow portion and an annular portion surrounding the hollow portion; the annular portion includes a plurality of first polishing areas arranged at intervals along an annular area and a plurality of second polishing areas arranged among the first polishing areas; and the first polishing areas extend along a radial direction on the intermediate substrate. The diamond film is arranged on the intermediate substrate, and the diamond film overlays the first polishing areas and the second polishing areas. The diamond film is provided with a plurality of first surfaces and a plurality of second surfaces, and first polishing tips protruding from the first surfaces and second polishing tips protruding from the second surface are formed on the diamond film.
    Type: Application
    Filed: December 9, 2021
    Publication date: August 4, 2022
    Inventors: Jui-Lin CHOU, Min-Hung WU, Chin-Chung CHOU, Yu-Chau HUNG
  • Patent number: 10525567
    Abstract: The present invention provides a CMP abrasive pad conditioner, comprising a bottom substrate; an intermediate layer located on the bottom substrate, the intermediate layer including a hollow portion and an annular portion surrounding the hollow portion, the annular portion being provided with a plurality of bumps; and a diamond film located on the intermediate layer, and forming a plurality of abrasive projections corresponding to the bumps of the intermediate layer; in this case, a top surface of the abrasive projections is formed with a patterned configuration and the top surface is provided with a center line average roughness (Ra) between 2 and 20.
    Type: Grant
    Filed: January 30, 2018
    Date of Patent: January 7, 2020
    Assignee: KINIK COMPANY LTD.
    Inventors: Jui-Lin Chou, Chin-Chung Chou, Chung-Yi Cheng, Hsin-Chun Wang, Yu-Chau Hung
  • Publication number: 20180326553
    Abstract: The present invention provides a CMP abrasive pad conditioner, comprising a bottom substrate; an intermediate layer located on the bottom substrate, the intermediate layer including a hollow portion and an annular portion surrounding the hollow portion, the annular portion being provided with a plurality of bumps; and a diamond film located on the intermediate layer, and forming a plurality of abrasive projections corresponding to the bumps of the intermediate layer; in this case, a top surface of the abrasive projections is formed with a patterned configuration and the top surface is provided with a center line average roughness (Ra) between 2 and 20.
    Type: Application
    Filed: January 30, 2018
    Publication date: November 15, 2018
    Inventors: Jui-Lin Chou, Chin-Chung Chou, Chung-Yi Cheng, Hsin-Chun Wang, Yu-Chau Hung