Patents by Inventor Ek Chien YEO

Ek Chien YEO 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).

  • Patent number: 11049968
    Abstract: A semiconductor memory device comprising a strained semiconductor layer and a contact etch stop layer, CESL, wherein the strained semiconductor layer and the CESL are both arranged to reduce the probability of an electron tunnelling out of a charge trapping layer of the semiconductor memory device.
    Type: Grant
    Filed: March 7, 2018
    Date of Patent: June 29, 2021
    Assignee: X-FAB SEMICONDUCTOR FOUNDRIES GMBH
    Inventors: Eng Gek Hee, Ek Chien Yeo, Steffen Thiem, Choon Swee Tan
  • Publication number: 20190280121
    Abstract: A semiconductor memory device comprising a strained semiconductor layer and a contact etch stop layer, CESL, wherein the strained semiconductor layer and the CESL are both arranged to reduce the probability of an electron tunnelling out of a charge trapping layer of the semiconductor memory device.
    Type: Application
    Filed: March 7, 2018
    Publication date: September 12, 2019
    Inventors: Eng Gek HEE, Ek Chien YEO, Steffen THIEM, Choon Swee TAN