Tunneling magnetic sensing element and method for producing...

Details Tunneling magnetic sensing element and method for producing... Tunneling magnetic sensing element and method for producing...

2008-02-25

2011-10-25

Klimowicz, Will J (Department: 2627)

Dynamic magnetic information storage or retrieval

Head

Magnetoresistive reproducing head

C360S324120

Reexamination Certificate

active

08045300

ABSTRACT:
A free magnetic layer has a laminated structure in which a first magnetic sublayer composed of Co—Fe or Fe and a second magnetic sublayer composed of Co—Fe—B or Fe—B are formed, in that order, on an insulating barrier layer composed of Mg—O. This effectively improves the rate of change in resistance (ΔR/R) compared with the related art.

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