Method of manufacturing magnetic head

Details Method of manufacturing magnetic head Method of manufacturing magnetic head

1990-06-05

1991-07-23

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

360103, G11B 542

Patent

active

050331841

ABSTRACT:
A pair of half core blocks, one of which is provided with a groove for providing a prescribed gap depth in a magnetic head, are bonded together to produce a ring core. The ring core is inserted into a slot formed in a top of a magnetic slider and secured in position which provides a precise flush relation between a base end of a half core provided with a groove and the top of the slider. The slider is ground from its bottom to expose the end of the ring core inserted into the slot to produce a head assembly. One side of the ring core portrudes from the slider in the head assembly. When one or more of the head assemblies are mounted on a base block, the protruding side is maintained in contact with a reference upstanding plane provided by a jig for definite positioning of the head assemblies so that gaps in the respective ring cores extends exactly in a running direction of a magnetic tape, thereby preventing azimuth loss.

REFERENCES:
patent: 4160315 (1979-07-01), Tandon et al.
patent: 4897915 (1990-02-01), Ito

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