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:
Mar. 26, 2024
Filed:
May. 26, 2021
Applicant:
International Business Machines Corporation, Armonk, NY (US);
Inventors:
Michael Rizzolo, Delmar, NY (US);
Saba Zare, White Plains, NY (US);
Virat Vasav Mehta, Menands, NY (US);
Eric Raymond Evarts, Niskayuna, NY (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 11/16 (2006.01); H10B 61/00 (2023.01); H10N 50/01 (2023.01); H10N 50/10 (2023.01); H10N 50/80 (2023.01); H10N 50/85 (2023.01);
U.S. Cl.
CPC ...
G11C 11/161 (2013.01); H10B 61/00 (2023.02); H10N 50/01 (2023.02); H10N 50/10 (2023.02); H10N 50/80 (2023.02); H10N 50/85 (2023.02);
Abstract
Provided is a magnetoresistive random-access memory (MRAM) cell. The MRAM cell comprises a top contact, a hard mask layer below the top contact, and a magnetic tunnel junction (MTJ) below the hard mask layer. The MRAM cell further comprises a diffusion barrier below the MTJ, a bottom contact below the diffusion barrier, and a magnetic liner arranged around the bottom contact.