公开(公告)号：US20200091234A1

公开(公告)日：2020-03-19

申请号：US16386893

申请日：2019-04-17

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jinwoo LEE ,  Zhe WU ,  Kyubong JUNG ,  Seung-geun YU ,  Ja Bin LEE

IPC: H01L27/24 ,  H01L45/00

Abstract: A switching element includes a lower barrier electrode disposed on a substrate, a switching pattern disposed on the lower barrier electrode, and an upper barrier electrode disposed on the switching pattern. The switching pattern includes a first switching pattern, and a second switching pattern disposed on the first switching pattern and having a density different from a density of the first switching pattern.