Patents by Inventor Erdem Ultanir

Erdem Ultanir 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: 20090075179
    Abstract: Extreme Ultraviolet (EUV) mask protection against laser inspection damage is generally described. In one example, a photomask includes a substrate, a bilayer stack coupled with the substrate, the bilayer stack including about 30-50 bilayers wherein the bilayers include alternating films of a first material and a second material, a protective film including polycrystalline carbon coupled with the bilayer stack to protect the bilayer stack against laser inspection damage, and a capping film coupled with the protective film.
    Type: Application
    Filed: September 18, 2007
    Publication date: March 19, 2009
    Inventors: Erdem Ultanir, Pei-Yang Yan