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Subject: Re: [Homebrew_PCBs] Doing something wrong tinning PCB

From: "Stefan Trethan" <stefan_trethan@...>
Date: 2007-02-03

On Sat, 03 Feb 2007 20:57:46 +0100, Mark Merclean <mamhouse@...>
wrote:

>
> 1) I get a bunch of nice spherical silver solder balls sitting in a
> field of dried out grey mud (ie, the solder paste without the solder
> balls, dried out and coating the pcb)


If you wipe off the grey paste, is the underlying surface tinned?
I noticed i do not need to reflow the paste fully to tin the surface.
No idea why or how that works.

ST