Magnetic shielding material

Details Magnetic shielding material Magnetic shielding material

1990-07-17

1991-09-03

Picard, Leo P.

Electricity: conductors and insulators

Anti-inductive structures

Conductor transposition

H05K 900

Patent

active

050456377

ABSTRACT:
A magnetic shielding material is described which has a laminate structure comprising a ferromagnetic sheet having a high saturation magnetic flux density, a ferromagnetic sheet having a high magnetic permeability and a non-magnetic sheet. The high saturation magnetic flux density sheet includes a sheet of mold steel, silicon steel or an iron-cobalt alloy. The high magnetic permeability sheet includes an amorphous alloy foil or a laminate thereof. The magnetic shielding material may further have at least one foil of an electromagnetic wave-shielding material.

REFERENCES:
patent: 4608297 (1986-08-01), Shimada et al.
patent: 4632250 (1986-12-01), Ueda et al.
patent: 4641213 (1987-02-01), Shimada et al.

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