Ferrite film insulating layer in a yoke-type magneto-resistive h

Details Ferrite film insulating layer in a yoke-type magneto-resistive h Ferrite film insulating layer in a yoke-type magneto-resistive h

1986-05-05

1988-06-28

Wolff, John H.

Dynamic magnetic information storage or retrieval

Head

Hall effect

360119, G11B 539, G11B 5235

Patent

active

047543540

ABSTRACT:
A yoke-type magneto-resistive head employs a thin magnetic film structure to bridge a gap in the flux conducting structure of the head and thereby sense magnetic flux. The invention provided means for reducing the magnetic reluctance of the interface between the magnetic film structures and the flux conducting structure of the head, to improve the coupling of magnetic flux from the flux conducting structure to the magnetic film structure and thereby increase the sensitivity of the magneto-resistive head.

REFERENCES:
patent: 4150408 (1979-04-01), Koel et al.
patent: 4425593 (1984-01-01), Postma
patent: 4477319 (1984-10-01), Abe et al.
patent: 4489357 (1984-12-01), VanOoijen et al.
patent: 4613918 (1986-09-01), Kanai et al.
Masanori Abe, Yutaka Tamaura, Ferrite Plating in Aqueous Solution: New Technique for Preparing Magnetic Thin Film, J. Appl. Phys. 55(6), 3/15/84.

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