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:
Apr. 07, 2026
Filed:
Jan. 10, 2023
Yangtze Memory Technologies Co., Ltd., Wuhan, CN;
Kun Zhang, Wuhan, CN;
Yuancheng Yang, Wuhan, CN;
Wenxi Zhou, Wuhan, CN;
Zhiliang Xia, Wuhan, CN;
Dongxue Zhao, Wuhan, CN;
Tao Yang, Wuhan, CN;
Lei Liu, Wuhan, CN;
Di Wang, Wuhan, CN;
Zongliang Huo, Wuhan, CN;
Abstract
Three-dimensional (3D) memory devices and fabricating methods are disclosed. A disclosed 3D memory device can comprises, a first semiconductor structure comprising an array of first type memory cells, a second semiconductor structure comprising an array of second type memory cells different from the first type memory cells, a third semiconductor structure comprising a first peripheral circuit, and a fourth semiconductor structure comprising a second peripheral circuit. The third semiconductor structure and the fourth semiconductor structure are sandwiched between the first semiconductor structure and the second semiconductor structure in a vertical direction.