[Elecraft] K2 Cleaning PCB

[rick jones]

Hi all,

I'm about to start in on my RF board.  There are a lot
of references to flux removal but I don't know what
the prevailing opinion is on the subject. Perhaps a
poll on how many attempted flux removal during the
building process? At NASA soldering class we were
taught to clean everything with pure alcohol (and only
pure alcohol) and a stiff acid brush. Sometimes the
final board would be immersed in an alcohol
bath/ultrasonic cleaner for final cleaning. I don't
think a K2 has been launched to deep space yet so the
standards don't have to be so rigorous! If nothing
else a flux-free PCB sure looks better IMO! So should
I bother or do the risks out way the rewards in this
case.

Thanks 
Rick N3IKQ  K2 #3465 

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