The equations describing a model of the general case of the vertical thin-film head are solved using finite element analysis. Read efficiency and inductance are computed as a function of head permeability for a variety of design geometries. The effects of pole saturation during write are also treated, and results are presented for a number of cases of interest. From these results a set of guidelines for the geometric design of thin-film heads is developed.
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E. Katz (1978) studied this question.
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