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Kerr effect microscopy imaging of recorded domains on perpendicular magnetic recording media

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4 Author(s)
K. Fukuzawa ; NTT Interdisciplinary Res. Lab., Tokyo, Japan ; T. Ohkubo ; J. Kishigami ; Y. Koshimoto

Recorded domains on perpendicular recording double-layer media were imaged by magnetooptical Kerr effect microscopy. The reversal domains were observed at the edge of tracks by a head whose leading pole is wider than its trailing pole. It was found that the perpendicular magnetic field of a trailing pole overwrites the domains written by that of a leading pole

Published in:

IEEE Transactions on Magnetics  (Volume:28 ,  Issue: 6 )