Method of manufacturing a multi-turn multi-track composite recor

Details Method of manufacturing a multi-turn multi-track composite recor Method of manufacturing a multi-turn multi-track composite recor

1990-08-23

1991-07-23

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156634, 156655, 156656, 1566591, 29603, 360119, B44C 122, C23F 102, B29C 3700

Patent

active

050340891

ABSTRACT:
This method of manufacturing a multi-turn multi-track composite recording head increases the cross sectional area of the conductors used to implement the windings in the recording head. This is accomplished by etching a recess into the ferrite substrate of the first ferrite magnetic pole piece to receive the winding. This recess may be deep enough to incorporate the entirety of the winding. This configuration does not constrain the gap size but simply increases the space into which the winding is placed. The thickness of the winding deposited in this space is no longer constrained by the dimensions of the gap but can be equal to the gap dimension plus the depth of the recess etched into the ferrite substrate.

REFERENCES:
patent: 4731157 (1988-03-01), Lazzari

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