Patents by Inventor Hugo CHAO

Hugo CHAO 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: 20170125586
    Abstract: A semiconductor device includes a gate structure disposed over a substrate, and sidewall spacers disposed on both side walls of the gate structure. The sidewall spacers includes at least four spacer layers including first to fourth spacer layers stacked in this order from the gate structure.
    Type: Application
    Filed: October 28, 2015
    Publication date: May 4, 2017
    Inventors: Chen-Ming LEE, Fu-Kai YANG, Mei-Yun WANG, Hugo CHAO