Method of manufacturing a magnetic head

Details Method of manufacturing a magnetic head Method of manufacturing a magnetic head

1991-03-19

1992-09-08

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156633, 156645, 156656, 156663, 360122, B44C 122, C03C 1500, C23F 100

Patent

active

051455552

ABSTRACT:
A method of manufacturing a magnetic head including the steps of forming a plurality of almost V-shaped parallel grooves in a surface of a substrate; forming a soft magnetic thin film larger in thickness than that required for a track width in one well of each of the grooves; processing the soft magnetic thin film at the top portion of the groove walls to a thickness required for the track width by ion milling utilizing a self-shadowing effect of the top portion of the groove walls; filling the grooves with nonmagnetic substance; and performing a finishing process required for completing a magnetic head including the steps of cutting, shaping, polishing, bonding, etc.

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