Patents by Inventor Defeng Liao

Defeng Liao 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: 20210053174
    Abstract: An intelligent continuous polishing machine and an intelligent continuous polishing process therefor are provided. The intelligent continuous polishing machine includes a base platen, a rotary platen, a multi-beam bridge mechanism, two workpiece holding mechanisms, a lap measuring mechanism, a lap cutting mechanism, a small-conditioner holding mechanism, a large-conditioner holding mechanism, and a control computer. The intelligent continuous polishing process includes a normal polishing procedure, a lap surface shape measuring procedure, and three procedures for correcting the lap surface shape error: a lap cutting procedure, a sub-aperture correcting procedure, and a full-aperture correcting procedure. All of these procedures are controlled by the control computer through CNC programs.
    Type: Application
    Filed: August 20, 2019
    Publication date: February 25, 2021
    Inventors: Defeng Liao, Qiao Xu, Ruiqing Xie, Jian Chen, Fugong Chen, Shiyuan Wang, Shijie Zhao, Jian Wang