Canted easy axis in self-pinned layers

Details Canted easy axis in self-pinned layers Canted easy axis in self-pinned layers

2007-02-20

2007-02-20

Watko, Julie Anne (Department: 2627)

Dynamic magnetic information storage or retrieval

Head

Magnetoresistive reproducing head

Reexamination Certificate

active

10788688

ABSTRACT:
A magnetic head having a free layer and an antiparallel (AP) pinned layer structure spaced apart from the free layer, the AP pinned layer structure including at least two AP-pinned layers having magnetic moments that are self-pinned antiparallel to each other, the AP-pinned layers being separated by an AP coupling layer. An easy axis of a first or both of the AP-pinned layers is oriented at an angle of at least 5° from the ABS along a plane of the first AP-pinned layer.

REFERENCES:
patent: 3879760 (1975-04-01), Lazzari
patent: 5680281 (1997-10-01), Kung et al.
patent: 6324037 (2001-11-01), Zhu et al.
patent: 6594124 (2003-07-01), Zheng et al.
patent: 2002/0182442 (2002-12-01), Ikeda et al.
patent: 2003/0179512 (2003-09-01), Ju et al.

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