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:
Jun. 10, 2025
Filed:
Mar. 11, 2021
Samsung Electronics Co., Ltd., Suwon-si, KR;
Seokcheon Baek, Hwaseong-si, KR;
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Abstract
A three-dimensional semiconductor memory device may include a substrate including a cell array region and a pad region, a first conductive line on the cell array region and the pad region of the substrate, a second conductive line between the first conductive line and the substrate, the second conductive line including a first portion on the cell array region and a second portion on the pad region and exposed by the first conductive line in a plan view, a first edge pattern between the substrate and the first conductive line and between the first and second portions of the second conductive line, and a first cell contact plug on the pad region of the substrate that penetrates the first conductive line and the first edge pattern.