Abstract
A high-resolution vertical magnetoresistive transducer has been used to measure the magnetic field at the surface of rigid CoCr(Ta)/NiFe perpendicular recording media. Very sharp magnetic transitions achieved by contact recording were observed at the edges of the main pole of a single-sided main-pole-driven perpendicular head, both along and across the recording track, with transition widths (10–90%) of 240 and 390 nm, respectively.
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