Process for manufacturing a read head

Details Process for manufacturing a read head Process for manufacturing a read head

2005-11-08

2005-11-08

Ahmed, Shamim (Department: 1765)

Etching a substrate: processes

Forming or treating article containing magnetically...

C216S066000, C216S083000, C029S603140, C360S112000

Reexamination Certificate

active

06962663

ABSTRACT:
A high performance specular free layer bottom spin valve is disclosed. This structure made up the following layers: NiCr/MnPt/CoFe/Ru/CoFe/Cu/free layer/Cu/Ta or TaO/Al2O3. A key feature is that the free layer is made of a very thin CoFe/NiFe composite layer. Experimental data confirming the effectiveness of this structure is provided, together with a method for manufacturing it and, additionally, its longitudinal bias leads.

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