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1995•Journal of the Magnetics Society of JapanOpen access

Magnetic Analysis for a Thin-Film Head with a High-Bs Yoke.

T. Hirano, H Nishida, M. Hirata, Motoichi Ohtsu, Katsushi Hashimoto, A. Nakaue

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Abstract

To achieve high-density recording, it is necessary to develop recording heads that can record on highly coercive media. For this purpose, it is important not only to develop high-Bs materials but also to optimize the parameters of the head yoke.Three-dimensional magnetic analysis of a thin-film head is therefore examined. This paper discusses the head parameters needed for good recording performance. It also compares the calculation results and experimental overwrite characteristics of a thin-film head with an FeTaN yoke that we developed.

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To achieve high-density recording, it is necessary to develop recording heads that can record on highly coercive media. For this purpose, it is important not only to develop high-Bs materials but also to optimize the parameters of the head yoke.Three-dimensional magnetic analysis of a thin-film head is therefore examined. This paper discusses the head parameters needed for good recording performance. It also compares the calculation results and experimental overwrite characteristics of a thin-film head with an FeTaN yoke that we developed.

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Available abstract

To achieve high-density recording, it is necessary to develop recording heads that can record on highly coercive media. For this purpose, it is important not only to develop high-Bs materials but also to optimize the parameters of the head yoke.Three-dimensional magnetic analysis of a thin-film head is therefore examined. This paper discusses the head parameters needed for good recording performance. It also compares the calculation results and experimental overwrite characteristics of a thin-film head with an FeTaN yoke that we developed.

Key concepts: Yoke (aeronautics), Head (geology), Recording head, Materials science, Thin film, Computer science, Optoelectronics, Electrical engineering

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