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:
Aug. 12, 2025
Filed:
Mar. 23, 2022
Applicant:
Samsung Electronics Co., Ltd., Suwon-si, KR;
Inventors:
Gihee Cho, Yongin-si, KR;
Jungoo Kang, Seoul, KR;
Hyun-Suk Lee, Suwon-si, KR;
Sanghyuck Ahn, Daegu, KR;
Assignee:
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H10B 12/00 (2023.01); H01L 21/02 (2006.01); H10D 1/68 (2025.01);
U.S. Cl.
CPC ...
H10B 12/03 (2023.02); H01L 21/02186 (2013.01); H10B 12/30 (2023.02); H10D 1/692 (2025.01);
Abstract
A semiconductor memory device includes a capacitor having a bottom electrode and a top electrode, a dielectric layer between the bottom and top electrodes, and an interface layer between the top electrode and the dielectric layer, the interface layer including a metal oxide and an additional constituent at a grain boundary of the interface layer.