Magneto-resistance effect element with a stacked body having...

Details Magneto-resistance effect element with a stacked body having... Magneto-resistance effect element with a stacked body having...

2007-04-05

2011-10-18

Ghayour, Mohammad (Department: 2627)

Dynamic magnetic information storage or retrieval

Head

Magnetoresistive reproducing head

Reexamination Certificate

active

08040641

ABSTRACT:
A magneto-resistance effect element comprises a stacked body which comprises a pinned layer having a fixed magnetization direction, a free layer having a magnetization direction that varies according to an external magnetic field, and a nonmagnetic spacer layer which is interposed between the pinned layer and the free layer. The stacked body having a constricted shape in which at least one part of the spacer layer is constricted when viewed from at least one direction perpendicular to a stacked direction of the stacked body.

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Covington, M. et al., “Current-induced magnetization dynamics in current perpendicular to the plane spin valves,” The American Physical Society, Physical Review B. 69, pp. 184406-1-184406-8, 2004.
Nakamura, S., “Current Driven Magnetic Switching for Magnetic Memory Materials,” (Corporate R&D Center, Toshiba Corporatino, Kawaski), pp. 499-503, 2004.

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