| 摘要 |
PROBLEM TO BE SOLVED: To obtain an FeCo plating film which is high in saturation magnetic flux density and kept free from pits and crackings, without adding a nonmagnetic metal concerning the magnetic thin film, a method of manufacturing the same, and a magnetic head. SOLUTION: The compositional weight ratio of Fe, Co, and Ni, contained in an FeCo plating film, indicates that it is included in a square region possessed of four apexes, represented by Fe80Co20, Fe40Co60, Fe40Co40Ni20, and Fe70Co10Ni20, and furthermore the compositional ratio of Ni is set at 1 wt.% or higher.
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