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:
Sep. 28, 2021
Filed:
Jun. 10, 2020
Samsung Electronics Co., Ltd., Suwon-si, KR;
Kyooho Jung, Seoul, KR;
Younsoo Kim, Yongin-si, KR;
Young-lim Park, Anyang-si, KR;
Jeong-Gyu Song, Seongnam-si, KR;
Se Hyoung Ahn, Seoul, KR;
Changmu An, Osan-si, KR;
Samsung Electronics Co., Ltd., Gyeonggi-do, KR;
Abstract
Disclosed are semiconductor memory devices and methods of fabricating the same. The semiconductor memory device comprises a capacitor that includes a bottom electrode, a top electrode opposite to the bottom electrode across a dielectric layer, and an interface layer between the bottom electrode and the dielectric layer. The interface layer includes a combination of niobium (Nb), titanium (Ti), oxygen (O), and nitrogen (N), and further includes a constituent of the dielectric layer.