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:
Feb. 17, 2026
Filed:
Jul. 27, 2022
Samsung Electronics Co., Ltd., Suwon-si, KR;
Yonghwan Kim, Hwaseong-si, KR;
Yangdoo Kim, Seoul, KR;
Sangwuk Park, Hwaseong-si, KR;
Minkyu Suh, Yongin-si, KR;
Sangho Lee, Hwaseong-si, KR;
Jungpyo Hong, Gwangmyeong-si, KR;
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Abstract
A semiconductor device including a substrate; storage node contacts on the substrate; lower electrode structures on the storage node contacts; a supporter structure on an external side surface of the lower electrode structures and connecting adjacent lower electrode structures to each other; a dielectric layer on the lower electrode structures and the supporter structure; and an upper electrode structure on the dielectric layer, wherein the lower electrode structures each include a pillar portion in contact with the storage node contacts; and a cylinder portion on the pillar portion, the pillar portion includes a first lower electrode layer having a cylindrical shape and having a lower surface and a side surface; and a first portion covering at least an internal wall of the first lower electrode layer, and the cylinder portion includes a second portion extending from the first portion and covering an upper end of the first lower electrode layer.