Tuesday, January 7, 2014

Why did I ever trust the paste?

After looking again (and getting some advice), I've decided that the real problem was that the paste was too old.  When solder paste ages it looses flux due to its volatility.  When I heated the PCB last night it smoked much less than when I ran the bityBGA boards (a clue I missed).  Today's inspection settles it:

1 comment:

Shaun Ruffell said...

It's cool that you were able to identify the problem quickly. That's something.