Title:
THREE-DIMENSIONAL MEMORY DEVICE WITH SOURCE CONTACTS CONNECTED BY ADHESION LAYER AND FORMING METHODS THEREOF
Document Type and Number:
WIPO Patent Application WO/2021/035739
Kind Code:
A1
Abstract:
A three-dimensional (3D) memory device includes a memory stack over a substrate. The memory stack includes interleaved a plurality of conductor layers and a plurality of insulating layers. The 3D memory device also includes a plurality of channel structures extending vertically in the memory stack. The 3D memory device further includes a source structure extending in the memory stack. The source structure includes a support structure dividing the source structure into first and second sections. The source structure also includes an adhesion layer. At least a portion of the adhesion layer extends through the support structure and conductively connects the first and second sections.
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Inventors:
XIA ZHENGLIANG (CN)
HUANG PAN (CN)
XU WEI (CN)
YAN PING (CN)
HUO ZONGLIANG (CN)
ZHOU WENBIN (CN)
HUANG PAN (CN)
XU WEI (CN)
YAN PING (CN)
HUO ZONGLIANG (CN)
ZHOU WENBIN (CN)
Application Number:
PCT/CN2019/103861
Publication Date:
March 04, 2021
Filing Date:
August 30, 2019
Export Citation:
Assignee:
YANGTZE MEMORY TECH CO LTD (CN)
International Classes:
H01L27/1157; H01L27/11573; H01L27/11582
Foreign References:
US20160079254A1 | 2016-03-17 | |||
CN109844949A | 2019-06-04 | |||
CN109904170A | 2019-06-18 | |||
CN109003983A | 2018-12-14 | |||
US20180108674A1 | 2018-04-19 |
Attorney, Agent or Firm:
NTD UNIVATION INTELLECTUAL PROPERTY AGENCY LTD. (CN)
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