Method for producing a magnetic head

Details Method for producing a magnetic head Method for producing a magnetic head

1990-02-09

1990-11-13

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

360122, G11B 542

Patent

active

049692534

ABSTRACT:
A magnetic recording playback head and a method for producing the same having an improved wear resistance and resistance to chipping as well as an improved production rate. The head is formed from a pair of magnetic cores joined through a gap-forming film. The lateral sides of the gap are flat, except for the surface repair to contact the tape, which have a width equal to the track width. The flat sides are coated with a nonmagnetic thin hard film of a material such as alumina or titanium nitride.

REFERENCES:
patent: 3417386 (1968-12-01), Schneider
patent: 3665436 (1972-05-01), Murray et al.
patent: 4589043 (1986-05-01), Grundtner

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