Switchable magnetic device

Details Switchable magnetic device Switchable magnetic device

1978-04-18

1981-01-27

Rutledge, L. Dewayne

Stock material or miscellaneous articles

All metal or with adjacent metals

Having magnetic properties, or preformed fiber orientation...

148121, 365133, 428928, H01F 104

Patent

active

042476011

ABSTRACT:
The magnetic switching device which employs what has come to be known as the Wiegand Effect is described in U.S. Pat. No. 3,820,090. What is disclosed herein is an improved switching device made from an alloy of iron, cobalt and vanadium that provides a greater switching effect. An improved or optimized torsional strain routine for fabricating the wire switching device is also disclosed. The improved switching device provides its maximum output pulse when the wire is switched in an asymmetric fashion.

REFERENCES:
patent: 1862559 (1932-06-01), White et al.
patent: 2190667 (1940-02-01), Kelsall et al.
patent: 3138494 (1964-06-01), Burket et al.
patent: 3148092 (1964-09-01), Shull, Jr.
patent: 3390443 (1968-07-01), Gould et al.
patent: 3422407 (1969-01-01), Gould et al.
patent: 3780313 (1973-12-01), Wiegand
patent: 3820090 (1974-06-01), Wiegand
patent: 3892118 (1975-07-01), Wiegand
Bozorth, R; Ferromagnetism, New York, 1951, pp. 200-205.

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