Magnetoresistive sensor having a laminated hard magnet...

Details Magnetoresistive sensor having a laminated hard magnet... Magnetoresistive sensor having a laminated hard magnet...

2005-02-07

2008-08-19

Cao, Allen T (Department: 2627)

Dynamic magnetic information storage or retrieval

Head

Magnetoresistive reproducing head

Reexamination Certificate

active

07414817

ABSTRACT:
A magnetoresistive sensor having a novel laminated hard bias structure that possesses exceptional magnetic performance characteristics when deposited over a crystalline structure such as in a partial mill sensor design in which a portion of a sensor stack extends beyond the active area of the sensor. The hard bias structure may include a seed layer comprising a layer of Si sandwiched between layers of CrMo. The hard bias structure, which can be formed over the seed layer structure, includes layers of CoPt separated a layer of CrMo.

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