This article explains how to find shorted components on PCB assemblies using infrared-based direct current injection, a nondestructive method that has several advantages over magnetic microscopy and voltage drop measurement techniques. An application example involving a power board failure is also provided.

electrical shorts, IR-based direct current injection, IRDCI, PCBAs
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ASM International
Topics
Scanning acoustic microscopy Semiconductor wafer fabrication Infrared thermography Circuit components
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