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. 23, 2012
Filed:
May. 07, 2012
Xilin Peng, Bloomington, MN (US);
Konstantin Nikolaev, Edina, MN (US);
Taras Pokhil, Arden Hills, MN (US);
Victor Sapazhnikov, Minnetonka, MN (US);
Yonghua Chen, Edina, MN (US);
Xilin Peng, Bloomington, MN (US);
Konstantin Nikolaev, Edina, MN (US);
Taras Pokhil, Arden Hills, MN (US);
Victor Sapazhnikov, Minnetonka, MN (US);
Yonghua Chen, Edina, MN (US);
Seagate Technology LLC, Scotts Valley, CA (US);
Abstract
A magnetic tunnel junction includes an amorphous ferromagnetic reference layer having a first reference layer side and an opposing second reference layer side. The first reference layer side has a greater concentration of boron than the second reference layer side. A magnesium oxide tunnel barrier layer is disposed on the second side of the amorphous ferromagnetic reference layer. The magnesium oxide tunnel barrier layer has a crystal structure. An amorphous ferromagnetic free layer is disposed on the magnesium oxide tunnel barrier layer.