Image of a coil in relation to the gauging of distance of metal surfaces |
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| Authors: | Sutcliffe H |
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| Affiliation: | University of Salford, Department of Electrical Engineering, Salford, UK; |
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| Abstract: | The impedance of a circular loop in the presence of a plane metal surface is discussed, and it is shown to have certain features relevant to the use of coils as distance gauges. These features permit the elimination of those gauging errors that arise from the finite conductivity and permeability of the metal. |
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