Magnetic head

Details Magnetic head Magnetic head

1979-12-03

1982-02-16

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Head

Core

360120, G11B 5251, G11B 514

Patent

active

043162282

ABSTRACT:
In a magnetic head a single-crystal Mn--Zn ferrite is employed as a core material, and cut-away parts in the vicinities of a gap are filled with a glass the contraction rate of which is lower than that of the ferrite. A principal magnetic circuit-forming plane of the core is brought into agreement with the {1 1 0} plane of the ferrite, while an angle .theta. defined between the <1 0 0> direction within the {1 1 0} plane of the ferrite and a gap forming plane is made 5.degree.-40.degree. or 80.degree.-120.degree.. The magnetic head thus constructed exhibits very favorable write and read characteristics.

REFERENCES:
patent: 3674944 (1972-07-01), Temura et al.
patent: 3810245 (1974-05-01), Ozawa et al.
patent: 3813693 (1974-05-01), Gooch et al.
patent: 3931642 (1976-01-01), Kugimiya et al.

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