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:
Apr. 07, 2026
Filed:
Dec. 09, 2022
International Business Machines Corporation, Armonk, NY (US);
Koichi Motoyama, Clifton Park, NY (US);
Oscar Van Der Straten, Guilderland Center, NY (US);
Jennifer Church, Albany, NY (US);
Chih-Chao Yang, Glenmont, NY (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
A magnetic tunnel junction (MTJ) stack with a hammerhead profile, including vertically aligned layers of a top electrode, a free layer, a tunneling barrier, a reference layer and a bottom electrode, where the bottom electrode and the reference layer each include a first width, and the top electrode, the free layer and the tunneling barrier, each include a second width greater than the first width. Forming vertically aligned layers of a bottom electrode and a reference layer on the bottom electrode, of a magnetic tunnel junction (MTJ), where the bottom electrode, the reference layer and the hard mask, each include a first width, and separately forming vertically aligned layers of a tunneling barrier, a free layer and a top electrode on the free layer, where the tunneling barrier, the free layer and the top electrode each include a second width, where the second width is greater than the first width.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile