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A metal-in-gap mini composite head for rigid disk drives which is composed of CaTiO3slider and Fe-Al-Si thin film deposited magnetic core has been developed. Magnetic recording characteristics were studied by comparing with mini monolithic and thin film heads. As a result, metal-in-gap mini composite head displayed excellent recording performance, especially with narrow gap length. High density recording is expected in combination with high Hcdisks.
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Nishiyama et al. (1987) studied this question.
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