In {TAIL ~ this embodiment}, a magnetic isolation film 13 is made of a non magnetic and electrically insulating material such as Al2O3, and a lateral bias film 12 is electrically isolated from lead conductive films 14, 15 and {HEAD ~ MR film} 11 
In { TAIL ~ this embodiment } , a magnetic isolation film 13 is made of a non magnetic and electrically insulating material such as Al2O3 , and a lateral bias film 12 is electrically isolated from lead conductive films 14 , 15 and { HEAD ~ MR film } 11
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