Patents by Inventor Tae Kwon JEE

Tae Kwon JEE 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).

  • EUV MASK AND PHOTOMASK FABRICATED BY USING THE EUV MASK
    Publication number: 20220283488
    Abstract: An Extreme UltraViolet (EUV) mask includes: a reflective layer over a substrate; a capping layer including a porous hydrogen trapping layer over the reflective layer; and an absorption layer over the capping layer.
    Type: Application
    Filed: August 30, 2021
    Publication date: September 8, 2022
    Inventors: Suk Won PARK, Chan Ha PARK, Sang Ho LEE, Chang Moon LIM, Tae Kwon JEE