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. 11, 2026
Filed:
May. 10, 2023
Samsung Electronics Co., Ltd., Suwon-si, KR;
Jimin Chae, Suwon-si, KR;
Younglim Park, Suwon-si, KR;
Dongmin Shin, Suwon-si, KR;
Wooseop Lim, Suwon-si, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
A semiconductor device includes a lower structure; a plurality of lower electrodes on the lower structure; an upper electrode on the plurality of lower electrodes; a dielectric layer between the plurality of lower electrodes and the upper electrode, and including a ferroelectric layer or an antiferroelectric layer; and a plurality of interfacial layers between the plurality of lower electrodes and the dielectric layer, wherein the plurality of interfacial layers include a first layer contacting the plurality of lower electrodes, and including a first metal element, a second metal element, different from the first metal element, and elemental nitrogen; and a second layer between the first layer and the dielectric layer, and including the first metal element, the second metal element, and elemental oxygen, and wherein a concentration of the second metal element in the first layer is lower than a concentration of the second metal element in the second layer.