AVR-Chat

Yep, it was flux.  The solder is 0.015" diameter.  More on his webpage
here:

http://www.bdmicro.com/smt/



--- In AVR-Chat@yahoogroups.com, Howard Amos <hamos@...> wrote:
>
> > Ryan wrote:
> >
> 
> > If you've never seen it before, check out this video:
> >
> > http://region.bdmicro.com/smt1.mov
> >
> 
> I had not seen that before, very tempting.
> 
> If there was any sound on the video, I couldn' t hear it, so does 
> anyone know what the 'pen' was?
> 
> It looks like a highlighter, but clearly thats not the case. I assume 
> it wasn't solder paste, as this regular solder was used.
> 
> I assume therefore that it was flux, but then the iron was used to 
> 'glue' the chip into place.
> I guess that must have relied upon the tinning on the PCB,
> 
> Anyone any experience of this?
> 
> What sort of thickness of solder is required. It looked about the same 
> width as the pitch of the pins (or at least thicker than the width of a 
> pin).
> 
> Howard Amos
> 
> (Still an SM virgin :-)
>