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:
Oct. 21, 2025
Filed:
Sep. 12, 2022
Kioxia Corporation, Tokyo, JP;
Naoki Akiyama, Seoul, KR;
Kenichi Yoshino, Seongnam-si, KR;
Kazuya Sawada, Seoul, KR;
Hyungjun Cho, Seoul, KR;
Takuya Shimano, Seoul, KR;
Kioxia Corporation, Tokyo, JP;
Abstract
According to one embodiment, a magnetic memory device includes a plurality of memory cells each including a magnetoresistance effect element and a switching element provided on a lower layer side of the magnetoresistance effect element and connected in series to the magnetoresistance effect element. The switching element includes a bottom electrode, a top electrode and a switching material layer provided between the bottom electrode and the top electrode, and the top electrode includes a first portion formed of a first material and a second portion provided on a lower layer side of the first portion and formed of a second material different from the first material.