Abstract: This paper mainly introduces the principle of scanning acoustic microscope (SAM). Cases on the pin delamination of the Plastic Encapsulated Microcircuits (PEMs) with different packages are ...
Atop the Horry County landfill, black smoke puffs from the exhaust pipe of a blue, 62-ton compactor with spiked metal wheels as it scales a pile of stinking garbage dumped by a truck seconds earlier.