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High writing-sensitivity single-pole head with cusp-field coils

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6 Author(s)
Ise, K. ; Akita Res. Inst. of Adv. Technol., Japan ; Yamakawa, K. ; Ouchi, Kazuhiro ; Muraoka, H.
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A new design for a high writing-sensitivity single-pole head is proposed. The head is driven with regular pancake structure dual coils, which sandwiches the main-pole. The outer parts of both coils are exposed to the air bearing surface. These coils can generate a cusp field with bifilar connection. A high recording sensitivity of this new head has been clarified by the fact that a small magnetomotive force of less than 0.1 AT0-P can saturate a medium with a high-coercivity of 3.5 kOe

Published in:

Magnetics, IEEE Transactions on  (Volume:36 ,  Issue: 5 )