Homebrew PCBs

I have to laugh!  They start of by saying "Please consider the following as an 
open minded statement that...",
then later state "...isolation milling is a slow, expensive, almost 30 years 
old attempt to be different by someone who had a paranoia against chemical 
etching".

Whether true or false, it's opinionated and obviously written in a tone that 
screams desperation to not lose support for their products/methods.  They 
also state things, but don't explain why.

Yes, they're comparing PCB milling machines here and not specifically 
thru-hole activation, but I think that machines like LPKF would be great for 
other uses -- like they can engrave front panels for electronic projects, 
etc.

As for thru-hole plating, whenever I solder a component lead in a plated hole, 
the solder always wicks itself thru the hole and over to the other side.  For 
flexible wires, I purposely add more solder so it builds up on the opposite 
side, so I get a better mechanical hold.  My guess is that even if there is 
resistance with the "conductive paste" method, the solder will fill the gaps 
and conduct properly.  Of course, this is my thought/guess, as I've never 
done this before.

I'm going to ignore that whole article as *desperate* marketing hype.

-Neil.



On Saturday 10 May 2003 11:53, Stefan Trethan scribbled:
> hmm the guys from bungard don't like this.
> they say it has too high resistance.
>
> http://www.bungard.com/downloads/ANTI_E.PDF
> somewhere in there...
>
> regards
> st
>
> 10.05.2003 18:30:02, Neil <cobra_neil@...> wrote:
> >Here's one system/source for chemical thru-hole plating that I've had
> > laying around in my bookmarks....
> >      http://www.thinktink.com/stack/volumes/volvi/condink.htm
> >
> >(I've never experimented with this though).
> >
> >Cheers,
> >-Neil.
> >
> >On Friday 09 May 2003 19:29, JanRwl@... scribbled:
> >> Markus!
> >>
> >> Please let us know what those "right chemicals" are, and how to apply
> >> them! (Temperature?  catalysts?  time in bath?  USW!)
> >>
> >> Then, what current (Strom, Amperes) per 0.1 m^2 to plate-through!
> >>
> >> But remember!  The plating-through is done BEFORE etching!
> >>
> >> Thanks!          Jan Rowland
> >
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