Multi-layer thin film mig magnetic head

Details Multi-layer thin film mig magnetic head Multi-layer thin film mig magnetic head

1991-03-29

1992-12-22

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Head

Core

G11B 5235

Patent

active

051738228

ABSTRACT:
A magnetic head of the metal-in-gap type is provided with improved recording characteristics accomplished by increasing the thickness of the thin film layer(s) in a magnetic gap. This magnetic head has several thin film layers and an intermediate layer made of a non-magnetic metal, such as chrome or titanium, interposed between each adjacent thin film layer. The use of the intermediate layer results in the reduction of eddy current losses and film stress thereby improving the recording characteristics of the magnetic head.

REFERENCES:
patent: 4669015 (1987-05-01), Ruigrok
patent: 4742412 (1988-05-01), Kuriyama
patent: 4953049 (1990-08-01), Okuda et al.
patent: 5001589 (1991-03-01), Rask et al.

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