47306SMT toaster oven problems
- Oct 24, 2012Whe I first tried SMT soldering user a toaster oven it worked wonderfully.
But now it doesn't. Most of the solder more-or-less melts and the components
are stuck down but there's a lot of grey goo (i.e. solder paste) left on the
pcb near to the pads.
I'm pretty sure I 'm using the same I'm using the same temperature profile -
it's the same oven and it doesn't have any sort of temperature control. It's
the same solder paste. So what's going wrong?
Am I seeing an effect of the solder paste ageing? I've kept it in the fridge
as one is supposed to but it is now a few months old.
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