Patents by Inventor Chang Hua Han

Chang Hua Han 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).

  • Floating gate of flash memory device and method of forming the same
    Publication number: 20070145461
    Abstract: Disclosed is a floating gate of a flash memory device, wherein a tunneling oxide layer is formed on a semiconductor substrate, and a floating gate is formed in the shape of a lens having a convex top surface.
    Type: Application
    Filed: December 27, 2006
    Publication date: June 28, 2007
    Inventor: Chang Hua Han