Enhanced spin-valve sensor with engineered overlayer formed...

Details Enhanced spin-valve sensor with engineered overlayer formed... Enhanced spin-valve sensor with engineered overlayer formed...

2008-04-01

2008-04-01

Evans, Jefferson (Department: 2627)

Dynamic magnetic information storage or retrieval

Head

Magnetoresistive reproducing head

Reexamination Certificate

active

10898816

ABSTRACT:
A GMR sensor is disclosed for sensing magnetically recorded information on a data storage medium. The sensor includes a ferromagnetic free layer and a ferromagnetic pinned layer sandwiching an electrically conductive spacer layer. An engineered overlayer is formed on the free layer to decrease free layer magnetic thickness without reducing physical thickness.

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