Patent ID: 7574791
Filing Date: 2009-08-18
Classification: B82Y,G11B,Y10T

Abstract:
1. A method for fabricating a magnetic head including a magnetic sensor, comprising: depositing a first magnetic shield layer; depositing a plurality of sensor layers, including a top sensor layer having a top surface thereof, above said first magnetic shield layer; depositing a polishing stop layer above said top surface of the top sensor layer; forming a mask above the polishing stop layer for defining central and outer portions of the polishing stop layer and sensor layers, the central portions being positioned under the mask and the outer portions being not covered by the mask; removing the outer portions of said polishing stop layer and said sensor layers, such that the central portion of said polishing stop layer and said sensor layers remains, and side edges of said sensor layers are exposed; depositing an electrical insulation layer, such that said exposed side edges of said sensor layers are covered with said electrical insulation layer; fabricating side magnetic shield members above said electrical insulation layer; performing a CMP liftoff step; and fabricating a second magnetic shield layer above said top surface of said top sensor layer and above said side shield members.