Mu-metal, or μ-metal, is a soft nickel–iron ferromagnetic alloy with very high permeability, which is used for shielding sensitive electronic equipment against static or low-frequency magnetic fields. The name came from the Greek letter mu (μ, ( ), which represents permeability in physics and engineering formulas.
Mu-metal, or μ-metal, is a soft nickel–iron ferromagnetic alloy with very high permeability, which is used for shielding sensitive electronic equipment against static or low-frequency magnetic fields. The name came from the Greek letter mu (μ, ( ), which represents permeability in physics and engineering formulas.
Source: Wikipedia "Mu-metal" · CC BY-SA 4.0
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