Homebrew PCBs

On Tue, 08 Nov 2005 06:23:49 +0100, <JanRwl@...> wrote:

>
> it makes  no sense to coat the PCBs with something that prevents coating  
> with
>  resist, intentionally or by accident.  The manufacturer could not sell   
> the
> material so he can not produce it.  If it was coated with some  "mystery
> material" it must have been by accident later on, or maybe a  silly  
> person
> "preventing corrosion".<<


> ST!  SURE it makes sense!  An "invisible" goop that  keeps the fresh  
> copper
> bright is a "sales tool", of course!  The USERS must  realize this must  
> be
> scrubbed off before resist-application!



But surely, if they put some protection on (and they seem to do on my
boards) it must be something that is easily cleaned off, NOT silicone
grease!

ST