... sensor. Xu and Shida (2008) designed a novel crack detection sensor with uneven coil distribution. Hesse and Pankratyev (2005) submitted a paper describing the recent developments in the sensors in the field of magnetic non-destructive testing, their advantages-disadvantages and the principle...

... is associated with the time the heat takes to reach the surface of the circuit. © MCB UP Limited 2003 Thermal testing Integrated circuits Non‐destructive testing One of these setups is shown in Figure 2 . The integrated circuit under test is supplied with a positive sine voltage...