| 摘要 |
PROBLEM TO BE SOLVED: To provide a magnetic thin film which is mainly used as a magnetic body of a thin-film magnetic head suitable for a high density magnetic record, is manufactured by a plating method, is high in saturated magnetic flux density, is excellent in soft magnetic characteristics and has high resistivity, and a method for manufacturing the magnetic thin film. SOLUTION: A toning bath for electrically plating a processing substance and forming a magnetic thin film on a surface of the processing substance contains Fe<2+> ions, Ni<2+> ions and Co<2+> ions, and also fine particles of SiO2 or Al2 O3 are scattered in a colloid form. In a manufactured thin film of a magnetic alloy, silica or alumina 3 is scattered in a Co-Ni-Fe ternary alloy 2 (a magnetic body) with high resistivity.
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