Differential Coupling Double-Layer Coil for Eddy Current Testing With High Lift-Off - Chen, Kefan; Gao, Bin; Tian, Gui Yun; Yang, Yupei; Yang, Changrong; Ma, Qiuping (IEEE sensors journal, 2021)
Keywords: Coils; Conductors; Coupling; Couplings; Eddy current testing; Eddy currents; Excitation; High lift; high lift-off; Magnetic fields; Magnetic flux; Nondestructive testing; planar coil; Probes; Sensitivity; surface defect imaging; Surface defects; Wires