Patents by Inventor Seungyun JO

Seungyun JO 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).

  • BLOCK COPOLYMER FOR LITHOGRAPHY AND LITHOGRAPHY METHOD USING THE SAME
    Publication number: 20230367215
    Abstract: The inventive concept relates to a block copolymer for lithography, capable of self-assembling and self-healing, and more particularly, to a block copolymer including a first block which is a repeating unit of polymerized siloxane and a second block which is a repeating unit of polymerized alkyl azobenzene acrylate. The alkyl is a linear or branched chain of 1 to 10 carbon atoms, the number (x) of the repeating unit of polymerized siloxane is about 60 to about 80, and the number (y) of the repeating unit of polymerized alkyl azobenzene acrylate is about 15 to about 25. The block copolymer has a cylindrical phase.
    Type: Application
    Filed: October 5, 2022
    Publication date: November 16, 2023
    Applicant: INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY
    Inventors: Du Yeol RYU, Hui Il JEON, Seungbae JEON, Seungyun JO