Patents by Inventor Liu-Wen Chang

Liu-Wen Chang 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).

  • WRITE-ONCE OPTICAL RECORDING MEDIUM
    Publication number: 20080159121
    Abstract: A write-once optical recording medium includes a substrate, and a recordable film formed on the substrate. The recordable film includes a recording layer containing a component selected from germanium (Ge), antimony (Sb), silicon (Si), and mixtures thereof, and a reflective layer containing a component selected from aluminum (Al), copper (Cu), silver (Ag), gold (Au), and mixtures thereof.
    Type: Application
    Filed: August 6, 2007
    Publication date: July 3, 2008
    Inventors: Huan-Chien TUNG, Liu-Wen Chang, Yeong-Tsuen Pan, Jui-Tung Chang, Jye-Long Lee