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

Printed Circuit Board Assembly & PCB Design Forum

SMT electronics assembly manufacturing forum.


wavesoldering

Adam

#22445

wavesoldering | 20 November, 2002

Is it possible to achieve a 100% top-side solder fillet where pin 1 on the device is attached to a ground plane ? we've optimised the wavesoldering and fluxing operations, but without much success on that pin, every other pin is fine. Any advice would be gratefully appreciated.

ADAM

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#22447

wavesoldering | 20 November, 2002

Adam

Generally the answer is yes. But there are many considerations. First a couple of questions 1 what flux are you using 2 Do you have top side pre heat in your wave solder machine 3 what is your measured top side temp. 4 what is your dwell time in the wave. 5 does your current results meet IPC 610 (you don't need 100% top side fillet in most cases!)

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