Sonoscan Investigates Air and Fluid Contamination

(May 18, 2007) ELK GROVE Village, IL &#151 Sonoscan determined that some delaminations in plastic IC packages contain air and fluid contaminants, possibly caused by silicone used as a release agent in molding equipment. Acoustic microscopic imaging identified partly red and partly white delaminations on plastic-encapsulated microcircuits, which indicated two types of contaminants.


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