Thin film head design improving top pole width control

Details Thin film head design improving top pole width control Thin film head design improving top pole width control

1994-10-31

2000-09-12

Klimowicz, William

Dynamic magnetic information storage or retrieval

Head

Core

G11B 5147

Patent

active

061186279

ABSTRACT:
A thin film inductive head comprising a bottom pole, an insulation region fabricated on the bottom pole, a cavity layer formed on the insulation region, the cavity layer containing an aperture, and a top pole deposited on the cavity layer so that the top pole lies substantially in the aperture of the cavity layer and has a height at least partially defined by the depth of the aperture.

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patent: 5137750 (1992-08-01), Amin et al.
patent: 5200056 (1993-04-01), Cohen et al.
patent: 5245493 (1993-09-01), Kawabe et al.
patent: 5254373 (1993-10-01), Barr
patent: 5282308 (1994-02-01), Chen et al.

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