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. 23, 2025
Filed:
Nov. 09, 2021
Samsung Electronics Co., Ltd., Suwon-si, KR;
Minwoo Choi, Hwaseong-si, KR;
Bonwon Koo, Suwon-si, KR;
Yongyoung Park, Hwaseong-si, KR;
Hajun Sung, Hwaseong-si, KR;
Dongho Ahn, Hwaseong-si, KR;
Kiyeon Yang, Seoul, KR;
Wooyoung Yang, Suwon-si, KR;
Changseung Lee, Yongin-si, KR;
Samsung Electronics Co., Ltd., Gyeonggi-Do, KR;
Abstract
Provided are a switching device and a memory device including the switching device. The switching device includes first and second electrodes, and a switching material layer provided between the first and second electrodes and including a chalcogenide. The switching material layer includes a core portion and a shell portion covering a side surface of the core portion. The switching layer includes a material having an electrical resistance greater than an electrical resistance of the core portion, for example in at least one of the core portion or the shell portion.