Patents by Inventor JI JAMES CUI

JI JAMES CUI 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: 20210053180
    Abstract: A chemical mechanical planarization (CMP) tool includes a platen and a polishing pad attached to the platen, where a first surface of the polishing pad facing away from the platen includes a first polishing zone and a second polishing zone, where the first polishing zone is a circular region at a center of the first surface of the polishing pad, and the second polishing zone is an annular region around the first polishing zone, where the first polishing zone and the second polishing zone have different surface properties.
    Type: Application
    Filed: August 23, 2019
    Publication date: February 25, 2021
    Inventors: Michael Yen, Kao-Feng Liao, Hsin-Ying Ho, Chun-Wen Hsiao, Sheng-Chao Chuang, Ting-Hsun Chang, Fu-Ming Huang, Chun-Chieh Lin, Peng-Chung Jangjian, Ji James Cui, Liang-Guang Chen, Chih Hung Chen, Kei-Wei Chen
  • Publication number: 20200070301
    Abstract: The present disclosure provides a wet chemical heating system, including a first conduit for transporting wet chemical, a dispensing head connected to the first conduit, and a radiative heating element configured to heat the wet chemical in the first conduit and positioned at an upper stream of the dispensing head.
    Type: Application
    Filed: June 21, 2019
    Publication date: March 5, 2020
    Inventors: JI JAMES CUI, CHIA-HSUN CHANG, CHIH HUNG CHEN, LIANG-GUANG CHEN, TZU KAI LIN, CHYI SHYUAN CHERN, KEITH KUANG-KUO KOAI
  • Publication number: 20200030933
    Abstract: A polishing pad for CMP is provided. The polishing pad includes a layer of material having a surface, a plurality of grooves indented into the surface in the layer of material, and a fluorescent indicator in the layer of material. Each of the plurality of grooves has a first depth, the fluorescent indicator has a second depth, and the second depth is equal to or less than the first depth.
    Type: Application
    Filed: October 16, 2018
    Publication date: January 30, 2020
    Inventors: JI JAMES CUI, FENG YUAN HSU