We have studied an artificial domain control technique to high permeability Co-Zr-Nb single layer films. Magnetic domains can be controlled by making small notches at the both edges of the main-pole film. The closure domains are pinned at the notches and become smaller. Using this novel domain control technique, a stable and highly sensitive narrow track single-pole head can be actualized.
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Nakamura et al. (1991) studied this question.
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