Corrosion-resistant soft magnetic film, method of producing...

Details Corrosion-resistant soft magnetic film, method of producing... Corrosion-resistant soft magnetic film, method of producing...

2005-05-24

2005-05-24

Letscher, George (Department: 2653)

Dynamic magnetic information storage or retrieval

Head

Core

Reexamination Certificate

active

06898054

ABSTRACT:
A lower pole layer and/or an upper pole layer is formed by plating a soft magnetic film represented by the formula FeXNiYαZ(wherein element α is at least one of Tc, Ru, Rh, Pd, Re, Os, Ir and Pt), wherein the composition ratio X of Fe is 65% by mass to 74% by mass, the composition ratio Y of Ni 25% by mass to 34% by mass, the composition ratio Z of the element α is 1% by mass to 7% by mass, and X+Y+Z=100% by mass. Therefore, a thin film magnetic head adaptable to a higher recording density and having excellent corrosion resistance can be manufactured.

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