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:
Dec. 16, 2025
Filed:
Feb. 10, 2022
Samsung Electronics Co., Ltd., Suwon-si, KR;
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Abstract
Disclosed are semiconductor devices and electronic systems including the same. The semiconductor device includes a stack structure including electrodes vertically stacked on a semiconductor layer, a source semiconductor pattern between the semiconductor layer and the stack structure, a support semiconductor pattern between the stack structure and the source semiconductor pattern, and a vertical structure penetrating the stack structure, the support semiconductor pattern, and the source semiconductor pattern. The vertical structure includes a vertical channel pattern in which a part of a sidewall is in contact with the source semiconductor pattern. The vertical channel pattern includes an upper portion adjacent to the stack structure, a lower portion adjacent to the source semiconductor pattern, and a middle portion adjacent to the support semiconductor pattern. The upper portion has a first diameter. The lower portion has a second diameter. The middle portion has a third diameter less than the first and second diameters.