Patents by Inventor D. T. Lee

D. T. Lee 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).

  • Gate structure for semiconductor device
    Patent number: 10050149
    Abstract: A method of forming a semiconductor device includes forming a source/drain region and spacers on a substrate. The method further includes forming an etch stop layer on the spacers and the source/drain region and forming a gate structure between the spacers. The method further includes etching back the gate structure, etching back the spacers and the etch back layer, and forming a gate capping structure on the etched back gate structure, spacers, and etch stop layer.
    Type: Grant
    Filed: May 18, 2017
    Date of Patent: August 14, 2018
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Yu-Lien Huang, Tsai-Chun Li, Ching-Feng Fu, Ming-Huan Tsai, D. T. Lee, Cheng-Hua Yang, Yi-Chen Lo