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SMT / PCB Electronics Manufacturing

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Electronics manufacturing forum covering SMT,PCB,EMS
Electronics Manufacturing Forum  
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  • detecting BGA micro cracks
  • Woodsmt  2/08/2010 7 posts
    729 views
    Looking for methods for detecting BGA microcracks without cross sectioning. Currently evaluating a new package and will be putting together a thermal stress eval. We would like to perform intermediate inspections for cracks. Once all cycles are done we will cross section to confirm intermediate findings. I am looking at X-ray and ultrasound as methods. Does anyone have any advice on these or other methods and equipment?
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