On the Equivalence of Ring and Pole-Keeper Head Fields

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概要

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• The head field distributions for a conventional ring head and pole-keeper head are shown to be mathematically equivalent, provided that the head pole piece of the ring heads are large compared to the gap length and that the head-field Fourier coefficients are properly redefined. Despite the equivalence, the ring head write fields are very dissimilar to those of the pole-keeper heads, either within the gap or outside of it in the trailing regions. A total of up to 200 Fourier coefficients was obtained for both heads for several values of the pole-thickness. As an application, the parameters related to the surface-gap field were also evaluated in order to facilitate write-field calculations.

• 社団法人応用物理学会の論文
• 1986-10-20

著者

• Yen Sun

  Department Of Physics National Taiwan University

• HUANG Huei

  Department of Physics, National Taiwan University

• Huang Huei

  Department Of Physics National Taiwan University

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