Patent ID: 9373777
Filing Date: 2016-06-21
CPC Classification: G01R,G11B,G11C,H01L

Claim Text:
1. A magnetic tunnel junction (MTJ), comprising: (a) a seed layer formed on a substrate and comprising one or more of Hf, NiFeCr, and NiCr that enhances PMA in an overlying laminated layer; (b) a composite reference layer comprising the laminated layer that contacts a top surface of the seed layer, the laminated layer has intrinsic PMA and comprises a multilayer stack that inclpdes two magnetic elements, a magnetic element and alloy, or two alloys represented by (A (c) a tunnel barrier layer contacting a top surface of the upper magnetic layer; (d) a free layer formed on the tunnel barrier layer; and (e) a capping layer as the uppermost layer in the MTJ.