Current perpendicular-to-plane read sensor with back shield

Details Current perpendicular-to-plane read sensor with back shield Current perpendicular-to-plane read sensor with back shield

2008-11-20

2011-12-13

Nguyen, Tan T. (Department: 2827)

Dynamic magnetic information storage or retrieval

Head

Magnetoresistive reproducing head

C360S123120, C360S327220

Reexamination Certificate

active

08077435

ABSTRACT:
Disclosed is a read head for reading data from a magnetic media. The read head includes a bottom magnetic shield layer, a top magnetic shield layer, and a read sensor disposed between the bottom and top magnetic shield layers. The read sensor is configured for sensing changes in a magnetic field of the magnetic media positioned under the read sensor. The read sensor has a front end adjacent to an air bearing surface (ABS) and a back end opposite the front end. The read head also includes a back magnetic shield layer positioned between the bottom and top magnetic shield layers and behind the back end of the read sensor distal to the ABS.

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