Thin film magnetic head and method of making it

Details Thin film magnetic head and method of making it Thin film magnetic head and method of making it

1981-04-16

1983-12-20

Eddleman, Alfred H.

Dynamic magnetic information storage or retrieval

Head

Core

360122, 360123, 360127, G11B 512, G11B 520, G11B 522

Patent

active

044221177

ABSTRACT:
A thin film magnetic head has a substrate with thin film layers deposited thereon and a protector layer bonded by a bonding layer to the substrate, with the thin film layers interposed therebetween. The thin film layers includes components of an electromagnetic transducing means. The bonding layer is a glass having a working temperature at which a magnetic layer included in the thin film layers does not have the magnetic characteristics deteriorated to any substantial degree.
The fusing of the glass for making the bonding layer is performed at a temperature below 450.degree. C.

REFERENCES:
patent: 4052749 (1977-10-01), Nomura et al.
patent: 4092688 (1978-05-01), Nomura et al.
patent: 4127884 (1978-11-01), Nouchi
patent: 4191983 (1980-03-01), Gibson
patent: 4241367 (1980-12-01), Nomura et al.
patent: 4246620 (1981-01-01), Kaminaka

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