Patents by Inventor Minghui Zhong

Minghui Zhong 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).

  • Method for preparing all-solid-state photonic crystal fiber preforms by extrusion
    Patent number: 11530156
    Abstract: A method for preparing all-solid-state photonic crystal fiber preform by extrusion by aligning the center of the first jacking end of the first jacking rod with the center of the core outlet mold. The adverse effect on this part of extruded core glass by oxygen or other impurities in air during the extrusion out of the core outlets can be avoided. The defects on the core glass surface and the cladding glass surface can be effectively removed, and the purity and quality of the core component in the obtained fiber preform can be improved.
    Type: Grant
    Filed: April 30, 2020
    Date of Patent: December 20, 2022
    Assignee: Ningbo University
    Inventors: Xunsi Wang, Youren Dong, Shixun Dai, Qiuhua Nie, Xiange Wang, Minghui Zhong, Rongping Wang, Xiang Shen, Zijun Liu, Yongxing Liu
  • Method for Preparing All-Solid-State Photonic Crystal Fiber Preforms by Extrusion
    Publication number: 20200354260
    Abstract: The present invention discloses a method for preparing all-solid-state photonic crystal fiber preform by extrusion. Firstly, aligning the center of the first jacking end of the first jacking rod with the center of the core outlet mold. The adverse effect on this part of extruded core glass by oxygen or other impurities in air during the extrusion out of the core outlets can be avoided. The defects on the core glass surface and the cladding glass surface can be effectively removed, and the purity and quality of the core component in the obtained fiber preform can be improved.
    Type: Application
    Filed: April 30, 2020
    Publication date: November 12, 2020
    Inventors: Xunsi Wang, Youren Dong, Shixun Dai, Qiuhua Nie, Xiange Wang, Minghui Zhong, Rongping Wang, Xiang Shen, Zijun Liu, Yongxing Liu