Self-aligned, notched trailing shield for perpendicular...

Details Self-aligned, notched trailing shield for perpendicular... Self-aligned, notched trailing shield for perpendicular...

2007-09-04

2007-09-04

Watko, Julie Anne (Department: 2627)

Dynamic magnetic information storage or retrieval

Head

Core

Reexamination Certificate

active

10789563

ABSTRACT:
A perpendicular magnetic write head having a notched, self aligned trailing shield for canting a magnetic field emitted therefrom. The invention provides a notched trailing shield that minimizes stray field formation while improving field gradient. The write head having a notched trailing shield is extremely manufacturable, being self aligned with the write pole of the perpendicular write head and using presently existing manufacturing methods.

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patent: 2003/0179497 (2003-09-01), Harris, III et al.
patent: 2005/0068671 (2005-03-01), Hsu et al.

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