APPARATUS COMPRISING BASE SHIELD AND SENSOR STACK, AND READER SENSOR

摘要

PROBLEM TO BE SOLVED: To provide a reader sensor assembly for reducing the pulse width fluctuations PW50 of a reader sensor without reducing the shield-to-shield spacing SSS of the reader sensor.SOLUTION: An apparatus comprises a base shield 162 and a sensor stack 166. The base shield is separated from the sensor stack via a first soft magnetic layer that is magnetically decoupled from the base shield.