Magnetic head including single crystal and polycrystalline ferri

Details Magnetic head including single crystal and polycrystalline ferri Magnetic head including single crystal and polycrystalline ferri

1987-07-06

1988-11-22

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Head

Core

360122, G11B 5193, G11B 5187

Patent

active

047870044

ABSTRACT:
A composite magnetic head in which a single crystal ferrite is used at the slide contact portion with the magnetic recording medium and a polycrystalline ferrite is used at the portion constituting the back magnetic circuit, is disclosed. An oxide magnetic thin film is formed at the junction interface between the single crystal ferrite and the polycrystalline ferrite for providing a magnetic head free from diffusion at the junction surface and evidencing only a low slide noise level.

REFERENCES:
patent: 4409633 (1983-10-01), Watanabe et al.

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