Magneto-resistive head and method of producing the same

Stock material or miscellaneous articles – Structurally defined web or sheet – Including components having same physical characteristic in...

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428213, 428694R, 428694T, 428694TS, 428694TM, 428694TR, 428900, 360110, 360113, 324252, 148100, G11B 566

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active

057925461

ABSTRACT:
A magneto-resistive head is provided with a substrate, a lower shield layer made of a Fe-system magnetic material and provided above the substrate, and a non-magnetic insulator layer provided above the lower shield layer. The non-magnetic insulator layer has a function of suppressing deterioration of surface roughness of the lower shield layer when subjected to an annealing process under a magnetic field in order to improve magnetic characteristics of the lower shield layer to desired magnetic characteristics.

REFERENCES:
patent: 3908194 (1975-09-01), Romankiw
patent: 4785366 (1988-11-01), Krounbi et al.
patent: 4918554 (1990-04-01), Bajorek et al.

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