Thin-film multitrack magnetic head of high track density

Details Thin-film multitrack magnetic head of high track density Thin-film multitrack magnetic head of high track density

1983-01-17

1986-07-15

Heinz, A. J.

Dynamic magnetic information storage or retrieval

Head

Coil

360126, 360121, G11B 517, G11B 5147, G11B 529

Patent

active

046009582

ABSTRACT:
For saving lateral space in a multitrack magnetic head, the connection lead paths (11, 12) run separately side by side along the outside surface of one magnetic layer (13) of the yoke and connect with the conducting strip that runs between the magnetic layers at the open end of the yoke by straps (18, 19) running around the side edges of the upper magnetic layer. Outside the region of the yoke these conductor straps are wider and are superposed one on the other, with an insulating layer between them, for lower resistance loss (see lower part of figure).

REFERENCES:
patent: 3611417 (1971-10-01), Sauter et al.
patent: 3685144 (1972-08-01), Trimble
patent: 3805291 (1974-04-01), Sakurai
patent: 3889295 (1975-06-01), Billawala
patent: 3987488 (1976-10-01), Kanai et al.
patent: 4001890 (1977-01-01), Kayser
patent: 4044394 (1977-08-01), Hanazono et al.
patent: 4092688 (1978-05-01), Nomura et al.
patent: 4151574 (1979-04-01), Gerkema et al.
patent: 4165525 (1979-08-01), Koel et al.
patent: 4219855 (1980-08-01), Jones
patent: 4295173 (1981-10-01), Romankiw et al.
patent: 4320428 (1982-03-01), Somers
Kehr et al., "High--Density Head," IBM Technical Disclosure Bulletin, vol. 18, No. 1, Jun. 1975.
Romankiw et al., "Batch Fabrication of Thin Film Magnetic Recording Heads," IEEE Transactions on Magnetics, vol. Mag.--11, No. 1, Jan. 1975.

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