オーディオ磁気ヘッド用磁心材料について
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概要
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A description was made about problems in magnetic core materials for audio magnetic heads, such as deterioration of magnetic properties by resin molding and polishing, temperature dependence of permeability, wear resistance and their solution mainly on the base of research results of Fe-Ni and Fe-Si-Al alloys reported up to now.Many of those problems have already been resolved, but some problems have still been left to be resolved for instance about high magnetic flux density core materials applied to audio heads for alloy memory medium.
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