Magnetic sensor using NiFe alloy for pinned layer

Details Magnetic sensor using NiFe alloy for pinned layer Magnetic sensor using NiFe alloy for pinned layer

2006-02-28

2009-10-27

Cao, Allen T (Department: 2627)

Dynamic magnetic information storage or retrieval

Head

Magnetoresistive reproducing head

Reexamination Certificate

active

07609489

ABSTRACT:
A magnetic sensor comprising: a multilayer film which has a pinned magnetic layer, the magnetization thereof being pinned in one direction, and a free magnetic layer formed on the pinned magnetic layer with a nonmagnetic material layer provided therebetween, in which current is allowed to flow in a direction perpendicular to the surfaces of the layers forming the multilayer film, wherein the pinned magnetic layer has a NiaFeballoy layer (where a and b each indicate atomic percent, and 0<a≦25 and a+b=100 are satisfied).

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