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

Printed Circuit Board Assembly & PCB Design Forum

SMT electronics assembly manufacturing forum.


Shrinkage

Views: 2036

#74551

Shrinkage | 14 September, 2015

Hello

Our production face a problem where our board after etching become shrinkage till 0.09mm but sometime it can be till 0.18mm. this happen after etching still the beginning of process not count for silver through hole and carbon process where this both need to go in the oven for too long. how can we prevent or what actually can caused this shrinkage? please advise me bcoz im still new in this field

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