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Generating highly uniform electromagnetic field characteristics

United States Patent

*** EXPIRED ***
5,642,087
June 24, 1997
View the Complete Patent at the US Patent & Trademark Office
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An apparatus and method for generating homogenous electromagnetic fields within a volume. The homogeneity provided may be for magnetic and/or electric fields, and for field magnitude, radial gradient, or higher order radial derivative. The invention comprises conductive pathways oriented mirror symmetrically about a desired region of homogeneity. A corresponding apparatus and method is provided for substantially cancelling the electromagnetic field outside of the apparatus, comprising a second set of conductive pathways placed outside the first set.
Crow; James T. (Albuquerque, NM)
Sandia Corporation (Albuquerque, NM)
08/ 328,849
October 25, 1994
GOVERNMENT RIGHTS The Government has rights to this invention pursuant to Contract No. DE-AC04-76DP00789 awarded by the U.S. Department of Energy.