By Dr. Sanchari Sinha Dutta, Ph.D. Invisible microbubbles forming on everyday plastics can peel off microscopic fragments, ...

Figure 1. Ultrasonic testing using pulse echo and through-transmission methods. Pulse echo (left and center) uses a transducer that sends and receives ultrasound energy, producing both A- and B-scan ...

Two questions asked in this paper were: is the measurement by 4D InSpec equivalent on the original surface in respect to a replica, that is, how similar are the results? And: under what circumstances ...

Premature finishing, overworking the surface and inadequate curing are typical causes of surface defects on exterior slabs. Some of these defects include premature wear, scaling, mortar flaking and ...

Defect states refer to electronic energy levels that arise from imperfections or irregularities in the crystal structure of materials, particularly in semiconductors and insulators. These ...

Several equipment makers are ramping up new inspection equipment to address the growing defect challenges in IC packaging. At one time, finding defects in packaging was relatively straightforward. But ...