Magnetic head and method of manufacturing the same

Details Magnetic head and method of manufacturing the same Magnetic head and method of manufacturing the same

1990-02-05

1992-01-28

Sheehan, John P.

Dynamic magnetic information storage or retrieval

Head

Core

148306, 148310, 148311, 148312, 148313, 148315, 148317, 148318, 420128, 420435, 420436, 420440, 420441, 420442, 420452, 420459, G11B 5235

Patent

active

050847953

ABSTRACT:
A metal-in-gap type magnetic head having a small undulation of reproduction output caused by a pseudo-gap and method of manufacture thereof are provided, wherein the magnetic head employs as a back core a ferrite (particularly, a ferrite containing Sn) and employs in a metal portion which constitutes a front core an alloy film (particularly, a composition transition alloy film) having a composition expressed by T-M-X-N, where T is at least one metal element selected from a group consisting of Fe, Co and Ni, M is at least one metal element selected from a group consisting of Nb, Zr, Ti, Ta, Hf, Cr, Mo, W and Mn, X is at least one metalloid element selected from a group consisting of B, Si and Ge, and N is nitrogen.

REFERENCES:
patent: 4766039 (1988-08-01), Otomo et al.
patent: 4836865 (1989-06-01), Sakakima et al.

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