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

Printed Circuit Board Assembly & PCB Design Forum

SMT electronics assembly manufacturing forum.


Vic Lau

#11913

Dewetting Problem on Photo-coupler lead | 18 April, 1999

I have experienced some dewetting problem on the photo-coupler's lead. No matter what types (how strong) the pre-cleaner and fluxes I used, still not completely resolve this problem. I just wonder, why this is so common to have dewetting problem on component lead, esp on the part that close to the encapsulant part.

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