Patents by Inventor Ray Chia-Jen Chen

Ray Chia-Jen Chen 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).

  • Integrated High-K/Metal Gate In CMOS Process Flow
    Publication number: 20150061031
    Abstract: A semiconductor device includes a semiconductor substrate that has a first-type active region and a second-type active region, a dielectric layer over the semiconductor substrate, a first metal layer having a first work function formed over the dielectric layer, the first metal layer being at least partially removed from over the second-type active region, a second metal layer over the first metal layer in the first-type active region and over the dielectric layer in the second-type active region, the second metal layer having a second work function, and a third metal layer over the second metal layer in the first-type active region and over the second metal layer in the second-type active region.
    Type: Application
    Filed: September 10, 2014
    Publication date: March 5, 2015
    Inventors: Ray Chia-Jen Chen, Yi-Shien Mor, Yi-Hsing Chen, Kuo-Tai Huang, Chien-Hao Chen, Yih-Ann Lin, Jr Jung Lin