Patents by Inventor Yang Ryoung KIM

Yang Ryoung KIM 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).

  • ETCHANT COMPOSITION OF TITANIUM LAYER AND ETCHING METHOD USING THE SAME
    Publication number: 20230303925
    Abstract: Provided are an etchant composition of a titanium layer and a method using the same, which may selectively etch the titanium layer without affecting the quality of other layers during a process of manufacturing a semiconductor and a display device, and thus, may increase productivity and reliability with improved etching characteristics in a semiconductor manufacturing process.
    Type: Application
    Filed: January 19, 2023
    Publication date: September 28, 2023
    Inventors: Sang Seung PARK, Yang Ryoung KIM, Bo Yeon LEE, Min Gyeong JEONG, Se Hoon KIM
  • ETCHANT COMPOSITION FOR TITANIUM-CONTAINING METAL LAYER AND ETCHING METHOD USING THE SAME
    Publication number: 20230287574
    Abstract: Provided are an etchant composition for a titanium-containing metal layer, and a method using the same, which may selectively etch the titanium-containing metal layer without affecting the quality of other films during a process of manufacturing semiconductor and display devices, and thus, may increase productivity and reliability with improved etching characteristics in a semiconductor manufacturing process.
    Type: Application
    Filed: January 19, 2023
    Publication date: September 14, 2023
    Inventors: Sang Seung PARK, Yang Ryoung KIM, Bo Yeon LEE, Min Gyeong JEONG, Se Hoon KIM