Stabilizer for magnetoresistive head and method of manufacture

Details Stabilizer for magnetoresistive head and method of manufacture Stabilizer for magnetoresistive head and method of manufacture

2004-04-02

2009-10-20

Cao, Allen T (Department: 2627)

Dynamic magnetic information storage or retrieval

Head

Magnetoresistive reproducing head

Reexamination Certificate

active

07606008

ABSTRACT:
A reader of a current-perpendicular-to-plane magnetoresistive head includes a spin valve with sensor having a stabilizer adjacent thereto, to substantially avoid magnetization distribution at the edge of the sensor due to vortex effect. At least one free layer is spaced apart from at least one pinned layer by a spacer. Above the free layer, a capping layer is provided. The stabilizer includes a pinned ferromagnetic layer adjacent to the free layer, and an antiferromagnetic layer positioned thereon. It becomes easy to provide an effective biasing using a variety of materials having different magnetic moments and thickness. Also problems related to sensor edge for small size will be overcome. A method of manufacturing the reader is also provided.

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Japanese Office Action dated Nov. 18, 2008.

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