Magnetic shield with flux concentration feature

摘要

A magnetic shield may be capable of enhancing magnetic writing, particularly in transducing elements accessing data bits from data tracks. At least one magnetic shield is adjacent a write pole. The shield has a flux concentration feature on an air bearing surface (ABS) capable of enhancing magnetic undershoot between the shield and the write pole.

主权项

1. An apparatus comprising:
a first magnetic shield adjacent a write pole, the first magnetic shield having a first thickness and a smaller second thickness, the second thickness defining a second thickness area facing three sides of the write pole from at least a predetermined distance and aligned about a longitudinal axis of the write pole on an air bearing surface (ABS); and a second magnetic shield positioned laterally from the write pole.