Magnetic head and manufacturing method therefor

Details Magnetic head and manufacturing method therefor Magnetic head and manufacturing method therefor

1997-09-08

1999-06-29

Resan, Stevan A.

Dynamic magnetic information storage or retrieval

Head

Gap spacer

360120, 360125, 360126, 428692, G11B 523

Patent

active

059176822

ABSTRACT:
A magnetic head includes a back core made of ferrite and a magnetic alloy film arranged in a vicinity of a magnetic gap and having an average composition expressed by TxMyNz wherein T is Fe or Co; M is at least one metal selected from a group consisting of Nb, Zr, Ta, Hf, Cr, W and Mo; N is nitrogen; and x, y and z are atomic percentages holding 65.ltoreq.x.ltoreq.94, 5.ltoreq.y.ltoreq.25, 0<z.ltoreq.20 and x+y+z=100. The head includes an oxygen diffusion prevention part of a higher concentration of nitrogen than included in the whole magnetic alloy film which is provided at the magnetic alloy film at an interfacial part to the ferrite core.

REFERENCES:
patent: 5227193 (1993-07-01), Hori et al.

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