Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
METHOD OF PERFORMING PROGRAMMING OPERATION AND RELATED MEMORY DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/092826
Kind Code:
A1
Abstract:
A method of performing a programming operation to a three dimensional (3D) NAND memory device is disclosed. The method makes residual electrons trapped in storage regions of middle dummy memory cells of the unselected string of the 3D NAND memory device to be removed during the pre-charging phase, so as to reduce program disturb to the selected string which neighbors the unselected string.

Inventors:
JIA XINLEI (CN)
LI SHAN (CN)
SONG YALI (CN)
JIN LEI (CN)
LIU HONGTAO (CN)
JIA JIANQUAN (CN)
ZHAO XIANGNAN (CN)
MIN YUANYUAN (CN)
Application Number:
PCT/CN2019/118312
Publication Date:
May 20, 2021
Filing Date:
November 14, 2019
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
YANGTZE MEMORY TECH CO LTD (CN)
International Classes:
G11C16/10
Foreign References:
US20150103592A12015-04-16
US20130343130A12013-12-26
US20160099066A12016-04-07
US20160247570A12016-08-25
US20190304992A12019-10-03
US20190319033A12019-10-17
US9640273B12017-05-02
Other References:
See also references of EP 3891746A4
Attorney, Agent or Firm:
NTD UNIVATION INTELLECTUAL PROPERTY AGENCY LTD. (CN)
Download PDF: