Multi-resistive state element with reactive metal

Static information storage and retrieval – Systems using particular element – Magnetic thin film

Reexamination Certificate

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C365S158000

Reexamination Certificate

active

07082052

ABSTRACT:
A treated conductive element is provided. A conductive element can be treated by depositing either a reactive metal or a very thin layer of material on the conductive element. The reactive metal (or very thin layer of material) would typically be sandwiched between the conductive element and an electrode. The structure additionally exhibits non-linear IV characteristics, which can be favorable in certain arrays.

REFERENCES:
patent: 6204139 (2001-03-01), Liu et al.
patent: 6531371 (2003-03-01), Hsu et al.
Beck, A. et al., “Reproducible switching effect in thin oxide films for memory applications.” Applied Physics Letters, vol. 77, No. 1, Jul. 3, 2000, 139-141.
Liu, S.Q., et al., “Electro-pulse-induced reversible resistance change effect in magnetoresistive films”, Applied Physics Letters, vol. 76, No. 19, May 8, 2000, 2749-2651.
Liu, S.Q., et al., “A New Concept For Non-Volatile Memory: Electric-Pulse Induced Reversible Resistance Change Effect In Magnetoresistive Films”, Space Vacuum Epitaxy Center, University of Huston, Huston TX, 7 Pages.
Rossel, C. et al., “Electrical current distribution across a metal-insulator-metal structure during bistable switching,” Journal of Applied Physics, vol. 90, No. 6, Sep. 15, 2001. 2892-2898.
Watanabe, Y. et al., “Current-driven insulator-conductor transition and nonvolatile memory in chromium-doped SrTiO3single crystals, Applied Physics Letters, vol. 78, No. 23, Jun. 4, 2001, 3738-3740.

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