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Comparison of ring and pole head magnetic fields

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1 Author(s)
Wilton, D.T. ; Dept. of Appl. Math., City Polytech. of Hong Kong, Kowloon, Hong Kong

Idealized mathematical models of the magnetic fields generated by ring and single-pole heads are examined. In each case, more accurate Fourier coefficients than have been published previously are provided. However, the main purpose is to consider, in a more rigorous manner than has been presented before, the correspondence between the fields of ring and pole heads. Ranges of parameters and areas of the domain are identified for which the fields are almost identical. In the region of each geometry occupied by the recording medium, the similarities were less clear

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Magnetics, IEEE Transactions on  (Volume:26 ,  Issue: 3 )