Wiring for thin film magnetic head

Details Wiring for thin film magnetic head Wiring for thin film magnetic head

1983-05-13

1986-04-15

Wolff, John H.

Dynamic magnetic information storage or retrieval

Head

Coil

360125, G11B 520

Patent

active

045831432

ABSTRACT:
A wiring configuration for thin film magnetic recording and reproducing heads. The inside end of the windings of the thin film magnetic recording head extends through an insulator to contact a bottom permalloy layer. A source of driving current is connected through a first conductor to the bottom permalloy layer and through a second conductor to the outside end of the windings. Thus, the windings of the thin film magnetic recording head are driven without the use of an overpass conductor. The bottom permalloy conductor can be divided so that the magnetic core formed by a first portion of the permalloy layer and the pole piece is insulated from a second portion of said bottom permalloy layer which receives the driving current.

REFERENCES:
patent: 4353102 (1982-10-01), Kanai et al.
patent: 4423451 (1983-12-01), Chi

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