Method of manufacturing thin film magnetic head

Details Method of manufacturing thin film magnetic head Method of manufacturing thin film magnetic head

1987-02-05

1988-07-26

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

360122, 360123, G11B 542

Patent

active

047591188

ABSTRACT:
A method of manufacturing a thin film magnetic head is disclosed. This method is characterized such that a protection film is formed on a substrate; only corresponding portions of the protection film to bonding pads are ground in a groove-like configuration before cutting out the thin film magnetic heads therefrom so that the bonding pads are exposed; and the substrate is cut to a predetermined size per thin film magnetic head. With this arrangement, it is feasible to prevent an upper magnetic layer from being damaged during the grinding operation.

REFERENCES:
patent: 4219853 (1980-08-01), Albert et al.
patent: 4418472 (1983-12-01), Lorenze, Jr.

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