Printed Circuit Board Assembly & PCB Design SMT Electronics Assembly Manufacturing Forum

Printed Circuit Board Assembly & PCB Design Forum

SMT electronics assembly manufacturing forum.


emori

#13494

Reliability of BGA | 15 November, 1998

Our design team is trying to change QFP into BGA. Does anyone have experience wavesoldering PCB with 0.5" pitch BGA's on the top side? What kind of problem will occure? Any advice is appreciated.

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Larry Johnson

#13495

Re: Reliability of BGA | 16 November, 1998

I don't really no much of any problems other then, be sure that the BGA avoids moisture. If the BGA has moisture inside of it when it across the wave. Due to the heat, the moisture will evaporate and cause shorts inside the BGA. Now if someone can explain this better then me, feel free. This is only what I have read. Larry J

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