Magnetic memory device

Active solid-state devices (e.g. – transistors – solid-state diode – Field effect device – Having insulated electrode

Reexamination Certificate

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Details

C257S421000, C257SE27005, C257SE21665

Reexamination Certificate

active

08035145

ABSTRACT:
A magnetic memory device is provided. The magnetic memory device includes an invariable pinning pattern and a variable pinning pattern on a substrate. A tunnel barrier pattern is interposed between the invariable pinning pattern and the variable pinning pattern, and the pinned pattern is interposed between the invariable pinning pattern and the tunnel barrier pattern. A storage free pattern is interposed between the tunnel barrier pattern and the variable pinning pattern, and a guide free pattern is interposed between the storage free pattern and the variable pinning pattern. A free reversing pattern is interposed between the storage and guide free patterns. The free reversing pattern reverses a magnetization direction of the storage free pattern and a magnetization direction of the guide free pattern in the opposite directions.

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