Homebrew PCBs

i beleave that there is a specieal glue that is used
for holding these down i have used pin head sized
drops of super glue gell just make shure in a well
ventelated area the heat will set them in place
i have encounterd the special glue they use when
reworking smd boards so i know it is used somtimes
--- Dave Mucha <dave_mucha@...> wrote:
> 
> > you put the circuit in when it was already hot?
> > but how to get it out not causing the parts to
> slide around (ok not 
> so much 
> > a problem with through hole....)
> 
> 
> Not having any experiance with this method, from
> what I have read, 
> the surface tension of the solder and the chip will
> acutually pull 
> the chip into alignment with the center of the pad,
> trace, whatever.
> 
> Much like how solder will create a perfect curve
> around pins, the 
> strenght of the surface tension is pretty strong.  
> Remember floating 
> a needle on water in science class ?
> 
> But, as was mentioned, movement, shaking and gravity
> can re-posistion 
> things PDQ !
> 
> Why not use an over thermometer and just unplug the
> oven and wait 
> until it cools enough to let the solder solidify ?
> 
> 
> Dave
> 
> 
> 
> 
> 
> 
> 


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