Patents by Inventor Bin-Ling TSAI

Bin-Ling TSAI 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: 20190163061
    Abstract: The present invention relates to a polyimide precursor and a lithography pattern formed by the same. The polyimide precursor has a repeating unit having a structure of formula (I): in the formula (I), Ar represents a tetravalent group derivated from a tetracarboxylic dianhydride compound; R1 represents a divalent group derivated from a diamine compound; and R2 independently represent a thermal-crosslinking group, a photosensitive-crosslinking group, or a hydrogen atom. The polyimide precursor has an excellent pattern-forming ability.
    Type: Application
    Filed: February 28, 2018
    Publication date: May 30, 2019
    Inventors: Chi-Shian CHEN, Bin-Ling TSAI, Yu-Pei CHEN, Chiao-Pei CHEN, Yu-Fu LIAO, Shih-Chang LIN, Chen-Ni CHEN, Tsung-Tai HUNG, Chiu-Feng CHEN