Current perpendicular to plane magnetoresistive sensor pre-product with current confining path precursor

A sensor includes a sensor stack and a layer of high resistivity material having a precursor within the sensor stack. When a current is applied at the precursor, a current confining path is formed through the layer of high resistivity material at the precursor. The shape of the current confining pat...

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Bibliographische Detailangaben
Hauptverfasser: Nowak, Janusz J, Nikolaev, Konstantin R, Tran, Khuong T, Kief, Mark T
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A sensor includes a sensor stack and a layer of high resistivity material having a precursor within the sensor stack. When a current is applied at the precursor, a current confining path is formed through the layer of high resistivity material at the precursor. The shape of the current confining path is adjustable by adjusting a thickness of the layer of high resistivity material.