Magnetically shielded assembly
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United States of America Patent
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Jan 6, 2004
Issued Date -
N/A
app pub date -
Sep 30, 2002
filing date -
Jan 22, 2002
priority date (Note) -
Expired
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Abstract
A sheath assembly with a magnetic shielding factor of at least about 0.9 that contains a sheath. The sheath includes nanomagnetic material, The nanomagnetic material has a mass density of at least about 0.01 grams per cubic centimeter, a saturation magnetization of from about 1 to about 36,000 Gauss, a coercive force of from about 0.01 to about 5,000 Oersteds, a relative magnetic permeability of from about 1 to about 500,000, and an average particle size of less than about 100 nanometers.
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