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:
May. 13, 2025
Filed:
May. 17, 2022
Samsung Electronics Co., Ltd., Suwon-si, KR;
Kiseok Lee, Hwaseong-si, KR;
Keunnam Kim, Yongin-si, KR;
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Abstract
A semiconductor memory device including a stack including layer groups vertically stacked on a substrate, each of the layer groups including a word line, a lower channel layer, an upper channel layer, and a data storing element electrically connected to the lower channel layer and the upper channel layer; and a bit line at a side of the stack, the bit line extending vertically, wherein the bit line includes a protruding portion connected to the lower channel layer and the upper channel layer of each layer group, the word line of each layer group extends in a first direction parallel to a top surface of the substrate, and the word line of each layer group is sandwiched between the lower channel layer and the upper channel layer of the layer group.