Magnetic sensing element with side shield layers

Details Magnetic sensing element with side shield layers Magnetic sensing element with side shield layers

2005-12-27

2005-12-27

Tupper, Robert S. (Department: 2652)

Dynamic magnetic information storage or retrieval

Head

Magnetoresistive reproducing head

Reexamination Certificate

active

06980403

ABSTRACT:
A magnetic sensing element of a current-perpendicular-to-plane (CPP) type that minimizes an increase in effective read track width and prevents side reading is provided. The magnetic sensing element includes a composite film, an upper shield layer, a lower shield layer, and side shield layers. The side shield layers are disposed at the two sides of the composite film in the track width direction between the lower shield layer and the upper shield layer.

REFERENCES:
patent: 6061211 (2000-05-01), Yoda et al.
patent: 6115216 (2000-09-01), Yoda et al.
patent: 6680829 (2004-01-01), Chen et al.
patent: 6680832 (2004-01-01), Fontana et al.
patent: 2003/0227725 (2003-12-01), Macken et al.
patent: 2004/0156148 (2004-08-01), Chang et al.

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