Patent 9570670 was granted and assigned to SAMSUNG ELECTRONICS CO., LTD. on February, 2017 by the United States Patent and Trademark Office.
Provided are a magnetic memory device and a method of fabricating the same. The device may include a magnetic tunnel junction including a lower magnetic structure, an upper magnetic structure, and a tunnel barrier interposed therebetween. The tunnel barrier may have a width greater than that of the lower magnetic structure.