> Selective soldering machines are frequently enclosed and run a nitrogen-o=
nly
> environment. It improves wetting and the solder stays clean.

The lab I work at is about to commission a vacuum reflow SMD facility for h=
igh reliability work.





--=20
http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist
.