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:
Jan. 06, 2026
Filed:
Dec. 28, 2022
Yangtze Memory Technologies Co., Ltd., Wuhan, CN;
Jiayi Liu, Wuhan, CN;
Tingting Gao, Wuhan, CN;
Changzhi Sun, Wuhan, CN;
Xiaolong Du, Wuhan, CN;
Xiaoxin Liu, Wuhan, CN;
Zhiliang Xia, Wuhan, CN;
YANGTZE MEMORY TECHNOLOGIES CO., LTD., Wuhan, CN;
Abstract
The present disclosure provides a three-dimensional memory device and a manufacturing method thereof. The three-dimensional memory device comprises: a plurality of stacked layers; a storage channel structure vertically penetrating the stacked layers and comprising a first channel layer; a select gate structure on the plurality of stacked layers and comprising a conductive layer sandwiched between two dielectric layers; and a select channel structure vertically penetrating the select gate structure and comprising a second channel layer.