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VSM Simulation of Perpendicular Recording

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2 Author(s)
Richter, H.J. ; Seagate Res., Seagate Technol., Fremont, CA ; Valcu, B.F.

We report simulations of the writing process of isolated transitions with a magnetometer for perpendicular recording. The fields of three different head types, a pole head, a shielded pole head and a ring head were used to study the writing of transitions on two perpendicular media, one with a very square loop and the other one with a shallow loop. It is found that the shielded head records the narrowest transitions, followed by the ring and then by the pole head

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Magnetics, IEEE Transactions on  (Volume:43 ,  Issue: 6 )