Composite member for generating voltage pulses

Details Composite member for generating voltage pulses Composite member for generating voltage pulses

1989-06-12

1990-08-21

Morris, Theodore

Stock material or miscellaneous articles

All metal or with adjacent metals

Having magnetic properties, or preformed fiber orientation...

428678, 428679, 428680, 428928, 340551, 340572, B32B 1501

Patent

active

049505505

ABSTRACT:
A composite member particularly suited for anti-theft security systems is composed of a core of soft-magnetic material having a nickel-iron alloy (in weight percent) of 55 through 82 nickel, 0 through 4 molybdenum, the remainder iron, or an aluminum-iron alloy having 5 through 16% aluminum, the remainder iron, with a cobalt-vanadium-iron alloy or a cobalt-chromium-iron alloy envelope for the composite member.

REFERENCES:
patent: 3820090 (1974-06-01), Wiegand
patent: 4247601 (1981-01-01), Wiegand
patent: 4660025 (1987-04-01), Humphrey

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