> Denny,
> I will disagree strongly with your first statement. Vapor Phase reflow is=
 far
> from inert. It was used from the seventies to the late eighties, and was =
using
> boiling oil (peanuts oil) to create the vapor that melted the solder past=
e. Was
> very hard to control properly,and prone to fires, so not inert at all..
>=20
> Your last statement is correct. It was abandoned as soon as reflow ovens
> using first infra-red, and later convection IR were developed from mid
> eighties on.

It has definitely not been abandoned, and using peanut oil ???? what the he=
ck is the boiling point of that ???

It is highly successful if the correct liquid is used, which has a boiling =
point at the liquidus temperature of the solder, and it is a specialised li=
quid for the purpose.

--=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
.