Magnetic head with a film coil

Details Magnetic head with a film coil Magnetic head with a film coil

1986-04-16

1987-10-27

Heinz, A. J.

Dynamic magnetic information storage or retrieval

Head

Coil

360121, G11B 517

Patent

active

047033819

ABSTRACT:
A magnetic head comprises a core assembly including a generally U-shaped first core half and a second core half, and a coil assembly made of a film coil. The coil assembly has a through-hole at its center, and is arranged such that a rear portion of the U-shaped first core half penetrates the through-hole. In one embodiment, the coil assembly is bent so that it is U-shaped when viewed from the front of the head. In another embodiment, the coil assembly is bent so that it is crank-shaped when viewed from the front. In a further embodiment, the coil assembly is substantially flat, but is inclined so that the plane of the coil assembly is not perpendicular to the plane including the core assembly. The present invention may be applied to a multi-track head which has a small space between adjacent heads because the head arrangement according to the present invention provides a narrow head with a sufficient number of coil turns.

REFERENCES:
patent: 3543396 (1970-12-01), Illg
patent: 3601871 (1971-08-01), Pierce
patent: 3634632 (1972-01-01), Watson
patent: 4223360 (1980-09-01), Sansom
patent: 4310821 (1982-01-01), Frances
IBM TDB; vol. 12, No. 6, Nov. 1969; J. Moreno; "Printed Circuit Coil"; p. 778.
IBM Technical Disclosure Bulletin, vol. 15, 1972, No. 2, p. 363.

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