Magnetic head and magnetic recording apparatus which prevent gen

Details Magnetic head and magnetic recording apparatus which prevent gen Magnetic head and magnetic recording apparatus which prevent gen

1996-08-28

1998-06-30

Heinz, A. J.

Dynamic magnetic information storage or retrieval

Head

Gap spacer

360126, G11B 523

Patent

active

057743100

ABSTRACT:
In a magnetic head including, a pair of magnetic cores, one of the magnetic cores including a first corner portion, a second corner portion and an end portion between the first and second corner portions, and another one of the magnetic cores including a third corner portion, a fourth corner portion and another end portion between the third and fourth corner portions, the first and third corner portions being opposite to each other, the second and fourth corner portions being opposite to each other, the end portion and the another end portion being opposite to each other, and high-saturation-magnetic-flux-density layers, one of the high-saturation-magnetic-flux-density layers covering the end portion and another one of the high-saturation-magnetic-flux-density layers covering the another end portion, wherein a thickness of the high-saturation-magnetic-flux-density layer on at least one of the first, second, third and fourth corner portions within an important area for preventing a false magnetic head is prevented from being less than 0.5 .mu.m.

REFERENCES:
patent: 5164870 (1992-11-01), Kato
patent: 5184266 (1993-02-01), Kanai
patent: 5222006 (1993-06-01), Yanagi
patent: 5227193 (1993-07-01), Hori
patent: 5227940 (1993-07-01), Isomura

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