Enhancement of the magnetic permeability in glassy metal shieldi

Details Enhancement of the magnetic permeability in glassy metal shieldi Enhancement of the magnetic permeability in glassy metal shieldi

1979-09-21

1982-07-20

Reynolds, B. A.

Electricity: conductors and insulators

Anti-inductive structures

Conductor transposition

148108, 307 91, 336 84R, H05K 900

Patent

active

043407706

ABSTRACT:
An apparatus for shielding a time dependent magnetic field comprises a magnetic metallic glass element in which a magnetic biasing field is generated having higher frequency components than the major components of the time dependent magnetic field.

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Gyorgy in Metallic Glasses; American Society for Metals, pp. 275-303; 1976.
Spooner Effect of a Superposed Alternating Field on Apparent Magnetic Permeability and Hysteresis Loss Phys. Rev. vol. 25, pp. 527-540; 1925.
Evenden et al, Seismic Prospecting Instruments vol. 2, pp. 68-73; 1971.
Cohen Enhancement of Ferromagnetic Shielding Against Low Frequency Magnetic Fields Applied Physics Letters, vol. 10, pp. 67-69; Feb. 1, 1967.
Albach et al, Ein durch vorerregte Dynamobleche magnetisch abgeschirmer Messraum Z. f. angew. Physik, vol. 9, pp. 111-115; 1957.
Eldridge The Mechanism of AC-Biased Magnetic Recording IRE Transactions on Audio; Sep.-Oct. 1961; pp. 155-158.
Camras Current Problems in Magnetic Recording Proceedings of the IRE vol. 50, pp. 751-760; May, 1962.

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