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:
Oct. 31, 2023
Filed:
Dec. 14, 2021
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 method for forming a 3D memory device includes the following operations. First, a slit structure and a support structure are formed in a stack structure having interleaved a plurality of sacrificial material layers and a plurality of insulating material layers, the initial support structure between adjacent slit openings of the slit structure. A source structure is formed to include a source portion in each of the slit openings. A pair of first portions of a connection layer is formed in contact with and conductively connected to the source portion. A second portion of the connection layer is formed in contact with and conductively to the pair of first portions of the connection layer.