Electronics Forum: hotflow 2/14 (Page 1 of 1)

Reflow oven bottom heaters

Electronics Forum | Thu Nov 16 08:57:00 EST 2017 | jandon

We found used Ersa HotFlow 2/14 reflow oven that does not have bottom side preheaters. Can it be easily and safely used in normal high mix/low volume production or is it built for specific products which does not need bottom preheaters?

Solder joint dewetting or non wetting

Electronics Forum | Tue Nov 05 09:57:45 EST 2013 | cuperpeter

Hello All, We have a problem with dewetting of solder paste. Problem is most visible on the pads without components (see attached pictures) and occurs randomly, 20% of PCB's. Pcb supplier sent us a cross-section of pads with thickness of Cu, Ni and


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