Crosstalk shielding assembly for addition to one head of a dual

Details Crosstalk shielding assembly for addition to one head of a dual Crosstalk shielding assembly for addition to one head of a dual

1984-07-09

1987-01-13

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Head

Head accessory

360122, 360129, G11B 511, G11B 522

Patent

active

046369023

ABSTRACT:
A dual magnetic head assembly is provided with asymmetrical crosstalk shielding. One of the heads includes a pair of mu-metal washers sandwiching a copper washer, the stacked washers surrounding the portion of the head including the read-write gap. The washers are enclosed within a copper plated mu-metal cap having a central opening through which the gap-containing portion of the head projects for cooperation with a magnetic medium. The other head is unshielded.

REFERENCES:
patent: 2769036 (1956-10-01), Selsted
patent: 3026379 (1962-03-01), Carpenter
patent: 3234338 (1966-02-01), Foster et al.
patent: 3610839 (1971-10-01), Sand
patent: 3700828 (1972-10-01), Zacaroli
patent: 4527212 (1985-07-01), Richards
Albrecht et al, "Shield . . . Assembly", IBM Tech. Disc. Bull., vol. 16, No. 12, May 1974, p. 4057.

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