Patents by Inventor Namgi CHO

Namgi CHO 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).

  • COMPOSITION FOR PHOTORESIST STRIPPER
    Publication number: 20230017238
    Abstract: The present invention relates to a stripper composition for removing a photoresist in a process of manufacturing a semiconductor device. According to the present invention, it is possible to prevent corrosion of the underlying film while improving the peeling force for the photoresist, and to improve the stability of the composition over time.
    Type: Application
    Filed: June 20, 2022
    Publication date: January 19, 2023
    Inventors: Hye Ji KIM, Jin Ho YOU, Namgi CHO