Magnetic shielding spring

Details Magnetic shielding spring Magnetic shielding spring

1981-05-21

1983-07-05

Wolff, John H.

Dynamic magnetic information storage or retrieval

Head

Head accessory

G11B 1560

Patent

active

043921698

ABSTRACT:
A magnetic tape cassette comprising a housing having an apertured wall to admit a magnetic head, tape guiding means, tape pressure means provided opposite to the aperture and a leaf spring adapted to press the tape pressure means against the tape when a magnetic tape is present in the cassette. The leaf spring consisting of one strip of a soft-magnetic metal alloy having an amorphous structure also serves as a magnetic shielding.

REFERENCES:
patent: 3789157 (1974-01-01), Greiner et al.
patent: 3851115 (1974-11-01), Zacaroli
patent: 4011593 (1977-03-01), Gaiser et al.
patent: 4072992 (1978-02-01), Leshik
patent: 4079430 (1978-03-01), Fujishima et al.
patent: 4126287 (1978-11-01), Mendelsohn et al.
patent: 4191984 (1980-03-01), Tsukidate et al.
patent: 4271441 (1981-06-01), Greiner et al.
Material Research Report by Allied Chemical, "New Ferrous Metglas . . . ", Nov. 1975.
Rapidly Quenched Materials, 2nd Int. Conf., Mit Press 1976, (Grant & Viessin Ed.), "Saturation Magnetostriction . . . ", by Arai et al., pp. 489-494.

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