Patents by Inventor Xia Zhiliang

Xia Zhiliang 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).

  • Three dimensional semiconductor memory devices
    Patent number: 9711520
    Abstract: A semiconductor memory device includes a semiconductor substrate including a common source region and a drain region, a lower structure provided on the semiconductor substrate and including a plurality of lower transistors connected in series between the common source region and the drain region, a stack including a plurality of word lines stacked on the lower structure, and semiconductor pillars penetrating the stack and controlling gate electrodes of respective ones of the lower transistors.
    Type: Grant
    Filed: June 10, 2015
    Date of Patent: July 18, 2017
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Etienne Nowak, Xia Zhiliang, Daesin Kim, Young-Gu Kim, Narae Jeong
  • Three Dimensional Semiconductor Memory Devices
    Publication number: 20160005753
    Abstract: A semiconductor memory device includes a semiconductor substrate including a common source region and a drain region, a lower structure provided on the semiconductor substrate and including a plurality of lower transistors connected in series between the common source region and the drain region, a stack including a plurality of word lines stacked on the lower structure, and semiconductor pillars penetrating the stack and controlling gate electrodes of respective ones of the lower transistors.
    Type: Application
    Filed: June 10, 2015
    Publication date: January 7, 2016
    Inventors: Etienne Nowak, Xia Zhiliang, Daesin Kim, Young-Gu Kim, Narae Jeong