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:
Jun. 12, 2012
Filed:
Apr. 11, 2011
Haiwen Xi, Prior Lake, MN (US);
Antoine Khoueir, Apple Valley, MN (US);
Brian Lee, Boston, MA (US);
Pat Ryan, St. Paul, MN (US);
Michael Tang, Bloomington, MN (US);
Insik Jin, Eagan, MN (US);
Paul E. Anderson, Eden Prairie, MN (US);
Haiwen Xi, Prior Lake, MN (US);
Antoine Khoueir, Apple Valley, MN (US);
Brian Lee, Boston, MA (US);
Pat Ryan, St. Paul, MN (US);
Michael Tang, Bloomington, MN (US);
Insik Jin, Eagan, MN (US);
Paul E. Anderson, Eden Prairie, MN (US);
Seagate Technology LLC, Scotts Valley, CA (US);
Abstract
A magnetic stack having a free layer having a switchable magnetization orientation, a reference layer having a pinned magnetization orientation, and a barrier layer therebetween. The stack includes an annular antiferromagnetic pinning layer electrically isolated from the free layer and in physical contact with the reference layer. In some embodiments, the reference layer is larger than the free layer.