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. 01, 2014
Filed:
Jul. 06, 2012
Stuart Stephen Papworth Parkin, San Jose, CA (US);
Luc Thomas, San Jose, CA (US);
See-hun Yang, San Jose, CA (US);
Stuart Stephen Papworth Parkin, San Jose, CA (US);
Luc Thomas, San Jose, CA (US);
See-Hun Yang, San Jose, CA (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
Magnetic wires that include two antiferromagnetically coupled magnetic regions show improved domain wall motion properties, when the domain walls are driven by pulses of electrical current. The magnetic regions preferably include Co, Ni, and Pt and exhibit perpendicular magnetic anisotropy, thereby supporting the propagation of narrow domain walls. The direction of motion of the domain walls can be influenced by the order in which the wire's layers are arranged.