Patent ID: 11862205
Assignee: WESTERN DIGITAL TECHNOLOGIES, INC.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 14:
15. A magnetic recording head, comprising:
a main pole;
a trailing shield disposed adjacent to the main pole; and
a spintronic device disposed between the main pole and the trailing shield, the spintronic device comprising:
a spin torque layer;
a Cu layer disposed under the spin torque layer;
a Ru layer disposed in contact with the Cu layer;
a Cr layer disposed in contact with the Ru layer and the main pole;
a NiAl layer disposed in contact with the spin torque layer;
a Ru layer disposed in contact with the NiAl layer; and
a NiFeTa layer disposed in contact with the Ru layer and the Cu layer.