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Reproducing vertically recorded information-double layer media

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1 Author(s)
Lopez, O. ; Magnetic Peripherals, Inc., Minneapolis, MN.

In this paper, we present the results of an analysis, similar to the classic analysis of Wallace, of the flying height dependence of readback signals for heads on double layer media with a sinusoidal magnetization pattern. At high frequency, the readback voltage has the same functional dependence as that of a ring head and single layer media; the well known spacing loss, 55 db per wavelength flying height dependence.

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Magnetics, IEEE Transactions on  (Volume:19 ,  Issue: 5 )