Magnetic domain wall shift register memory devices with high magnetoresistance ratio structures

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United States of America Patent

PATENT NO 9941465
SERIAL NO

15229811

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A device includes a seed layer, a magnetic track layer disposed on the seed layer, an alloy layer disposed on the magnetic track layer, a tunnel barrier layer disposed on the alloy layer, a pinning layer disposed on the tunnel barrier layer, a synthetic antiferromagnetic layer spacer disposed on the pinning layer, a pinned layer disposed on the synthetic antiferromagnetic spacer layer and an antiferromagnetic layer disposed on the pinned layer, and another device includes a seed layer, an antiferromagnetic layer disposed on the seed layer, a pinned layer disposed on the antiferromagnetic layer, a synthetic antiferromagnetic layer spacer disposed on the pinned layer, a pinning layer disposed on the synthetic antiferromagnetic layer spacer, a tunnel barrier layer disposed on the pinning layer, an alloy layer disposed on the tunnel barrier layer and a magnetic track layer disposed on alloy layer.

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Patent Owner(s)

  • IBM CORPORATION; (6) INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chien, Cheng-Wei Hsinchu, TW 8 25
Hu, Guohan Yorktown Heights, US 84 732

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