Method of manufacturing a magnetic head having a relatively larg

Details Method of manufacturing a magnetic head having a relatively larg Method of manufacturing a magnetic head having a relatively larg

1975-08-22

1977-04-19

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

360120, G11B 542

Patent

active

040179664

ABSTRACT:
A method of manufacturing a magnetic head, with a relatively large gap for reading, for instance, magnetic cards, and having a good resistance to mechanical wear, is provided. The head comprises two members with flat and parallel faces, made of a spinel ferrite having a high Curie temperature, encompassing a layer of non magnetic ferrite, 10 to 50 micrometers in thickness, deposited by silk-screen printing on one or both of the mutually opposite flat faces. The assembly is then bonded by sintering under pressure.

REFERENCES:
patent: 3145452 (1964-08-01), Camras
patent: 3188400 (1965-06-01), Vilensky
patent: 3411202 (1968-11-01), Schwartz
patent: 3639701 (1972-02-01), Secrist et al.

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