The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 06, 2022
Filed:
Apr. 30, 2020
Yangtze Memory Technologies Co., Ltd., Wuhan, CN;
YANGTZE MEMORY TECHNOLOGIES CO., LTD., Wuhan, CN;
Abstract
Embodiments of structure and methods for forming a three-dimensional (3D) memory device are provided. In an example, a 3D memory device includes a memory stack over a substrate, a plurality of channel structures, a source structure, and a support structure. The memory stack includes interleaved a plurality of conductor layers and a plurality of insulating layers. The plurality of channel structures extend vertically in the memory stack. The source structure includes a plurality of source portions and extending in the memory stack. The support structure is between adjacent ones of the source portions and has a plurality of interleaved conductor portions and insulating portions. A top one of the conductor portions is in contact with a top one of the conductor layers. Adjacent ones of the source portions are conductively connected to one another.