Patent ID: 11881236
Assignee: WESTERN DIGITAL TECHNOLOGIES, INC.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 9:
10. A magnetic recording head, comprising:
a main pole;
a spintronic device disposed on the main pole, the spintronic device comprising:
a spin torque layer;
a spacer layer disposed on the spin torque layer;
a multilayer spacer layer disposed over the spin torque layer, the multilayer spacer layer comprising a Cu layer and a spin transparent texture layer; and
a field generation layer disposed on the spacer layer, the field generation layer being disposed in contact with the multilayer spacer layer; and

a trailing shield disposed on the spintronic device, the trailing shield comprising a multilayer notch disposed on the multilayer spacer layer, the multilayer notch comprising a CoFe layer and a Heusler alloy layer, wherein the Cu layer is disposed on the field generation layer, wherein the spin transparent texture layer is disposed on the Cu layer, and wherein the Heusler alloy layer is disposed on the CoFe layer.