B. Analysis Method The Individual variables shown in Fig. 6 Make a shift in the complex impedance plane when Eddy Current is induced in the sample. In accordance with conductivity changes and lift-off variations, the operating point moves from zero point p to the new operating point P1, leading changes of the imaginary part (Y), the real part (X), the magnitude (Z), and the phase angle (Φ) of each measuring point .
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