Method of manufacturing magnetic head

Details Method of manufacturing magnetic head Method of manufacturing magnetic head

1990-03-08

1991-06-11

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

360121, 360122, 360127, G11B 542

Patent

active

050221400

ABSTRACT:
In a magnetic head a metal magnetic layer and a non-magnetic layer are sequentially formed on a pair of magnetic cores in which track widths are formed by a predetermined pitch. The metal magnetic layer and the non-magnetic layer formed outside the track widths are removed while leaving the track widths formed in said magnetic cores, thereby forming a regulation groove. The track widths of one magnetic core from which the metal magnetic layer and the non-magnetic layer are removed are caused to oppose those of the other magnetic core. Glass as an adhesive is filled in the regulation groove and melted to bond the magnetic cores so that a gap having the metal magnetic layer is formed. The pair of magnetic cores bonded to form the gap therebetween are cut by a predetermined pitch to form a magnetic head.

REFERENCES:
patent: 4794483 (1988-12-01), Naitoh et al.
patent: 4890378 (1990-01-01), Suzuki et al.

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