Method of manufacturing a combined tunnel erase head

Details Method of manufacturing a combined tunnel erase head Method of manufacturing a combined tunnel erase head

1993-08-31

1995-07-04

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

360118, G11B 542

Patent

active

054288924

ABSTRACT:
In a method of manufacturing a tunnel erase type combined magnetic head core using a first core member having a predetermined pole height dimension defined by a surface on a magnetic gap formation side and an apex, and a predetermined back height dimension defined by the apex and a bottom of a coil core into which a coil is inserted, and a second core member, the bottom of the coil core of the first core member is used as a back height reference face and the combined magnetic head core is manufactured with the back height reference face as reference, thereby facilitating processing of a surface on the pole height side at intermediate steps, namely, a final contact face with which magnetic recording media are brought into contact. Since the back height reference face is used as reference, when combined core chips are incorporated into sliders to manufacture magnetic heads, the process is not affected by variations in core dimensions.

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