The first magnetic shield 166 and {TAIL ~ the second magnetic shield} 168 may serve as the shielding of magnetic flux from the adjacent, thus reducing {HEAD ~ the side reading} and increasing the track density 
The first magnetic shield 166 and { TAIL ~ the second magnetic shield } 168 may serve as the shielding of magnetic flux from the adjacent , thus reducing { HEAD ~ the side reading } and increasing the track density
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