Method of making a slant gap thin-film head

Details Method of making a slant gap thin-film head Method of making a slant gap thin-film head

1987-05-18

1988-04-19

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

360127, G11B 542

Patent

active

047380217

ABSTRACT:
Slant gap magnetic heads, comprised of back-to-back wedges, are produced by an inventive procedure: Bars of discrete coil-wound thin-film heads--which bars are, cross-sectionally, L-shaped--are stacked with respect to each other. By dicing through the stack of bars at an angle commensurate with the degree of gap-slant, discrete slant gap head structures are produced. With minimal contouring/lapping, such head structures may be finished for use in recording equipment that records chevron-like alternating skewed information tracks.

REFERENCES:
patent: 3613228 (1971-10-01), Cook et al.
patent: 3893189 (1975-07-01), Kronn
patent: 3925884 (1975-12-01), Case
patent: 4158213 (1979-06-01), Griffith
patent: 4546541 (1985-10-01), Reid

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