Lorentz magnetoresistive sensor with integrated signal...

Dynamic magnetic information storage or retrieval – Head – Magnetoresistive reproducing head

Reexamination Certificate

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Reexamination Certificate

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08035932

ABSTRACT:
A Lorentz magnetoresistive sensor having integrated signal amplification. The sensor is constructed upon a substrate such as a semiconductor material, and an amplification circuit such as transistor is constructed directly into the substrate on which the magnetoresistive device is constructed. This integrated signal amplification greatly enhances sensor performance by eliminating a great deal of signal noise that would otherwise be added to the read signal.

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Hoener et al., “Geometry-enhanced magnetoresistance of narrow Au/InAs hybrid structures incorporating a two-dimensional electron system” Journal of Applied Physics 99, 2006.

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