Method of simultaneously initializing two antiferromagnetic...

Metal treatment – Process of modifying or maintaining internal physical... – Magnetic materials

Reexamination Certificate

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C029S603130

Reexamination Certificate

active

10692550

ABSTRACT:
Magnetic tunnel junction (MTJ) and charge perpendicular-to-plane (CPP) magnetic sensors are disclosed which have a first antiferromagnetic layer for pinning the magnetization direction in a pinned layer and a second antiferromagnetic layer for providing bias stabilization of a free layer. The two antiferromagnetic layers may be formed from the same material and using a spin-flop effect may be initialized simulataneously. A disk drive using these sensors is disclosed.

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