Micromagnetic circuit

Details Micromagnetic circuit Micromagnetic circuit

1989-11-14

1992-10-27

Wimer, Michael C.

Communications: radio wave antennas

Antennas

Including magnetic material

336177, 324219, H01Q 100

Patent

active

051593475

ABSTRACT:
Microscopic strips of high permeability magnetic conductor are arrayed in a proximate relation to an electrical conductor to form paths for magnetic circuits about the electrical conductor. The strips may take various forms including filaments, such as one hundred micron microwire, and deposited submicron-sized layers of amorphorous magnetic material. The magnetic circuits may be closed with the strips forming a plurality of bands around the electrical conductor, and the magnetic circuits may be open, such as with the strips arrayed linearly adjacent to the electrical conductor. The magnetic circuits have numerous applications, including a variety of antennas, inductive wires, antenna ground planes, inductive surfaces, magnetic sensors, and direction finding arrays.

REFERENCES:
patent: 3007165 (1961-10-01), Engelbrecht
patent: 3016535 (1962-01-01), Hewitt, Jr.
patent: 3233587 (1966-02-01), Morton
patent: 3911380 (1975-10-01), Lavedan, Jr.
patent: 3943391 (1976-03-01), Fehr
patent: 4622542 (1986-11-01), Weaver
patent: 4779076 (1988-10-01), Weaver
patent: 4947179 (1990-08-01), Ganter et al.

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